measurement_y2006m03) INTO measurement_y2006q1;
</programlisting>
</para>
+
+ <para>
+ Similarly to merging multiple table partitions, there is an option for
+ splitting a single partition into multiple using the
+ <link linkend="sql-altertable-split-partition"><command>ALTER TABLE ... SPLIT PARTITION</command></link>.
+ This feature could come in handy when one partition grows too big
+ and needs to be split into multiple. It's important to note that
+ this operation is not supported for hash-partitioned tables and acquires
+ an <literal>ACCESS EXCLUSIVE</literal> lock, which could impact high-load
+ systems due to the lock's restrictive nature. For example, we can split
+ the quarter partition back to monthly partitions:
+<programlisting>
+ALTER TABLE measurement SPLIT PARTITION measurement_y2006q1 INTO
+ (PARTITION measurement_y2006m01 FOR VALUES FROM ('2006-01-01') TO ('2006-02-01'),
+ PARTITION measurement_y2006m02 FOR VALUES FROM ('2006-02-01') TO ('2006-03-01'),
+ PARTITION measurement_y2006m03 FOR VALUES FROM ('2006-03-01') TO ('2006-04-01'));
+</programlisting>
+ </para>
+
</sect3>
<sect3 id="ddl-partitioning-declarative-limitations">
ATTACH PARTITION <replaceable class="parameter">partition_name</replaceable> { FOR VALUES <replaceable class="parameter">partition_bound_spec</replaceable> | DEFAULT }
ALTER TABLE [ IF EXISTS ] <replaceable class="parameter">name</replaceable>
DETACH PARTITION <replaceable class="parameter">partition_name</replaceable> [ CONCURRENTLY | FINALIZE ]
+ALTER TABLE [ IF EXISTS ] <replaceable class="parameter">name</replaceable>
+ SPLIT PARTITION <replaceable class="parameter">partition_name</replaceable> INTO
+ (PARTITION <replaceable class="parameter">partition_name1</replaceable> { FOR VALUES <replaceable class="parameter">partition_bound_spec</replaceable> | DEFAULT },
+ PARTITION <replaceable class="parameter">partition_name2</replaceable> { FOR VALUES <replaceable class="parameter">partition_bound_spec</replaceable> | DEFAULT } [, ...])
ALTER TABLE [ IF EXISTS ] <replaceable class="parameter">name</replaceable>
MERGE PARTITIONS (<replaceable class="parameter">partition_name1</replaceable>, <replaceable class="parameter">partition_name2</replaceable> [, ...])
INTO <replaceable class="parameter">partition_name</replaceable>
</listitem>
</varlistentry>
+ <varlistentry id="sql-altertable-split-partition">
+ <term><literal>SPLIT PARTITION <replaceable class="parameter">partition_name</replaceable> INTO (PARTITION <replaceable class="parameter">partition_name1</replaceable> { FOR VALUES <replaceable class="parameter">partition_bound_spec</replaceable> | DEFAULT }, PARTITION <replaceable class="parameter">partition_name2</replaceable> { FOR VALUES <replaceable class="parameter">partition_bound_spec</replaceable> | DEFAULT } [, ...])</literal></term>
+
+ <listitem>
+ <para>
+ This form splits a single partition of the target table. Hash-partitioning
+ is not supported. Bounds of new partitions should not overlap with new and
+ existing partitions (except <replaceable class="parameter">partition_name</replaceable>).
+ If the split partition is a DEFAULT partition, one of the new partitions must be DEFAULT.
+ In case one of the new partitions or one of existing partitions is DEFAULT,
+ new partitions <replaceable class="parameter">partition_name1</replaceable>,
+ <replaceable class="parameter">partition_name2</replaceable>, ... can have spaces
+ between partitions bounds. If the partitioned table does not have a DEFAULT
+ partition, the DEFAULT partition can be defined as one of the new partitions.
+ </para>
+ <para>
+ In case new partitions do not contain a DEFAULT partition and the partitioned table
+ does not have a DEFAULT partition, the following must be true: sum bounds of
+ new partitions <replaceable class="parameter">partition_name1</replaceable>,
+ <replaceable class="parameter">partition_name2</replaceable>, ... should be
+ equal to bound of split partition <replaceable class="parameter">partition_name</replaceable>.
+ One of the new partitions <replaceable class="parameter">partition_name1</replaceable>,
+ <replaceable class="parameter">partition_name2</replaceable>, ... can have
+ the same name as split partition <replaceable class="parameter">partition_name</replaceable>
+ (this is suitable in case of splitting a DEFAULT partition: we split it, but after
+ splitting we have a partition with the same name).
+ Only simple, non-partitioned partition can be split.
+ </para>
+ <note>
+ <para>
+ This command acquires an <literal>ACCESS EXCLUSIVE</literal> lock.
+ This is a significant limitation, which limits the usage of this
+ command with large partitioned tables under a high load.
+ </para>
+ </note>
+ </listitem>
+ </varlistentry>
+
<varlistentry id="sql-altertable-merge-partitions">
<term><literal>MERGE PARTITIONS (<replaceable class="parameter">partition_name1</replaceable>, <replaceable class="parameter">partition_name2</replaceable> [, ...]) INTO <replaceable class="parameter">partition_name</replaceable></literal></term>
All the forms of ALTER TABLE that act on a single table, except
<literal>RENAME</literal>, <literal>SET SCHEMA</literal>,
<literal>ATTACH PARTITION</literal>, <literal>DETACH PARTITION</literal>,
- and <literal>MERGE PARTITIONS</literal> can be combined into
+ <literal>SPLIT PARTITION</literal>, and <literal>MERGE PARTITIONS</literal>
+ can be combined into
a list of multiple alterations to be applied together. For example, it
is possible to add several columns and/or alter the type of several
columns in a single command. This is particularly useful with large
<listitem>
<para>
The name of the table to attach as a new partition or to detach from this table,
- or the name of the new merged partition.
+ or the name of split partition, or the name of the new merged partition.
</para>
</listitem>
</varlistentry>
DETACH PARTITION measurement_y2015m12;
</programlisting></para>
+ <para>
+ To split a single partition of the range-partitioned table:
+<programlisting>
+ALTER TABLE sales_range SPLIT PARTITION sales_feb_mar_apr2023 INTO
+ (PARTITION sales_feb2023 FOR VALUES FROM ('2023-02-01') TO ('2023-03-01'),
+ PARTITION sales_mar2023 FOR VALUES FROM ('2023-03-01') TO ('2023-04-01'),
+ PARTITION sales_apr2023 FOR VALUES FROM ('2023-04-01') TO ('2023-05-01'));
+</programlisting></para>
+
+ <para>
+ To split a single partition of the list-partitioned table:
+<programlisting>
+ALTER TABLE sales_list SPLIT PARTITION sales_all INTO
+ (PARTITION sales_west FOR VALUES IN ('Lisbon', 'New York', 'Madrid'),
+ PARTITION sales_east FOR VALUES IN ('Bejing', 'Delhi', 'Vladivostok'),
+ PARTITION sales_central FOR VALUES IN ('Warsaw', 'Berlin', 'Kyiv'));
+</programlisting></para>
+
<para>
To merge several partitions into one partition of the target table:
<programlisting>
static char GetAttributeCompression(Oid atttypid, const char *compression);
static char GetAttributeStorage(Oid atttypid, const char *storagemode);
+static void ATExecSplitPartition(List **wqueue, AlteredTableInfo *tab,
+ Relation rel, PartitionCmd *cmd,
+ AlterTableUtilityContext *context);
static void ATExecMergePartitions(List **wqueue, AlteredTableInfo *tab, Relation rel,
PartitionCmd *cmd, AlterTableUtilityContext *context);
cmd_lockmode = ShareUpdateExclusiveLock;
break;
+ case AT_SplitPartition:
+ cmd_lockmode = AccessExclusiveLock;
+ break;
+
case AT_MergePartitions:
cmd_lockmode = AccessExclusiveLock;
break;
/* No command-specific prep needed */
pass = AT_PASS_MISC;
break;
+ case AT_SplitPartition:
+ ATSimplePermissions(cmd->subtype, rel, ATT_TABLE);
+ /* No command-specific prep needed */
+ pass = AT_PASS_MISC;
+ break;
case AT_MergePartitions:
ATSimplePermissions(cmd->subtype, rel, ATT_TABLE);
/* No command-specific prep needed */
case AT_DetachPartitionFinalize:
address = ATExecDetachPartitionFinalize(rel, ((PartitionCmd *) cmd->def)->name);
break;
+ case AT_SplitPartition:
+ cmd = ATParseTransformCmd(wqueue, tab, rel, cmd, false, lockmode,
+ cur_pass, context);
+ Assert(cmd != NULL);
+ Assert(rel->rd_rel->relkind == RELKIND_PARTITIONED_TABLE);
+ ATExecSplitPartition(wqueue, tab, rel, (PartitionCmd *) cmd->def,
+ context);
+ break;
case AT_MergePartitions:
cmd = ATParseTransformCmd(wqueue, tab, rel, cmd, false, lockmode,
cur_pass, context);
return "DETACH PARTITION";
case AT_DetachPartitionFinalize:
return "DETACH PARTITION ... FINALIZE";
+ case AT_SplitPartition:
+ return "SPLIT PARTITION";
case AT_MergePartitions:
return "MERGE PARTITIONS";
case AT_AddIdentity:
return cstorage;
}
+/*
+ * Struct with context of new partition for insert rows from splited partition
+ */
+typedef struct SplitPartitionContext
+{
+ ExprState *partqualstate; /* expression for check slot for partition
+ * (NULL for DEFAULT partition) */
+ BulkInsertState bistate; /* state of bulk inserts for partition */
+ TupleTableSlot *dstslot; /* slot for insert row into partition */
+ Relation partRel; /* relation for partition */
+} SplitPartitionContext;
+
+
+/*
+ * createSplitPartitionContext: create context for partition and fill it
+ */
+static SplitPartitionContext *
+createSplitPartitionContext(Relation partRel)
+{
+ SplitPartitionContext *pc;
+
+ pc = (SplitPartitionContext *) palloc0(sizeof(SplitPartitionContext));
+ pc->partRel = partRel;
+
+ /*
+ * Prepare a BulkInsertState for table_tuple_insert. The FSM is empty, so
+ * don't bother using it.
+ */
+ pc->bistate = GetBulkInsertState();
+
+ /* Create tuple slot for new partition. */
+ pc->dstslot = MakeSingleTupleTableSlot(RelationGetDescr(pc->partRel),
+ table_slot_callbacks(pc->partRel));
+ ExecStoreAllNullTuple(pc->dstslot);
+
+ return pc;
+}
+
+/*
+ * deleteSplitPartitionContext: delete context for partition
+ */
+static void
+deleteSplitPartitionContext(SplitPartitionContext *pc, int ti_options)
+{
+ ExecDropSingleTupleTableSlot(pc->dstslot);
+ FreeBulkInsertState(pc->bistate);
+
+ table_finish_bulk_insert(pc->partRel, ti_options);
+
+ pfree(pc);
+}
+
+/*
+ * moveSplitTableRows: scan split partition (splitRel) of partitioned table
+ * (rel) and move rows into new partitions.
+ *
+ * New partitions description:
+ * partlist: list of pointers to SinglePartitionSpec structures.
+ * newPartRels: list of Relation's.
+ * defaultPartOid: oid of DEFAULT partition, for table rel.
+ */
+static void
+moveSplitTableRows(Relation rel, Relation splitRel, List *partlist, List *newPartRels, Oid defaultPartOid)
+{
+ /* The FSM is empty, so don't bother using it. */
+ int ti_options = TABLE_INSERT_SKIP_FSM;
+ CommandId mycid;
+ EState *estate;
+ ListCell *listptr,
+ *listptr2;
+ TupleTableSlot *srcslot;
+ ExprContext *econtext;
+ TableScanDesc scan;
+ Snapshot snapshot;
+ MemoryContext oldCxt;
+ List *partContexts = NIL;
+ TupleConversionMap *tuple_map;
+ SplitPartitionContext *defaultPartCtx = NULL,
+ *pc;
+ bool isOldDefaultPart = false;
+
+ mycid = GetCurrentCommandId(true);
+
+ estate = CreateExecutorState();
+
+ forboth(listptr, partlist, listptr2, newPartRels)
+ {
+ SinglePartitionSpec *sps = (SinglePartitionSpec *) lfirst(listptr);
+
+ pc = createSplitPartitionContext((Relation) lfirst(listptr2));
+
+ if (sps->bound->is_default)
+ {
+ /* We should not create constraint for detached DEFAULT partition. */
+ defaultPartCtx = pc;
+ }
+ else
+ {
+ List *partConstraint;
+
+ /* Build expression execution states for partition check quals. */
+ partConstraint = get_qual_from_partbound(rel, sps->bound);
+ partConstraint =
+ (List *) eval_const_expressions(NULL,
+ (Node *) partConstraint);
+ /* Make boolean expression for ExecCheck(). */
+ partConstraint = list_make1(make_ands_explicit(partConstraint));
+
+ /*
+ * Map the vars in the constraint expression from rel's attnos to
+ * splitRel's.
+ */
+ partConstraint = map_partition_varattnos(partConstraint,
+ 1, splitRel, rel);
+
+ pc->partqualstate =
+ ExecPrepareExpr((Expr *) linitial(partConstraint), estate);
+ Assert(pc->partqualstate != NULL);
+ }
+
+ /* Store partition context into list. */
+ partContexts = lappend(partContexts, pc);
+ }
+
+ /*
+ * Create partition context for DEFAULT partition. We can insert values
+ * into this partition in case spaces with values between new partitions.
+ */
+ if (!defaultPartCtx && OidIsValid(defaultPartOid))
+ {
+ /* Indicate that we allocate context for old DEFAULT partition */
+ isOldDefaultPart = true;
+ defaultPartCtx = createSplitPartitionContext(table_open(defaultPartOid, AccessExclusiveLock));
+ }
+
+ econtext = GetPerTupleExprContext(estate);
+
+ /* Create necessary tuple slot. */
+ srcslot = MakeSingleTupleTableSlot(RelationGetDescr(splitRel),
+ table_slot_callbacks(splitRel));
+
+ /*
+ * Map computing for moving attributes of split partition to new partition
+ * (for first new partition but other new partitions can use the same
+ * map).
+ */
+ pc = (SplitPartitionContext *) lfirst(list_head(partContexts));
+ tuple_map = convert_tuples_by_name(RelationGetDescr(splitRel),
+ RelationGetDescr(pc->partRel));
+
+ /* Scan through the rows. */
+ snapshot = RegisterSnapshot(GetLatestSnapshot());
+ scan = table_beginscan(splitRel, snapshot, 0, NULL);
+
+ /*
+ * Switch to per-tuple memory context and reset it for each tuple
+ * produced, so we don't leak memory.
+ */
+ oldCxt = MemoryContextSwitchTo(GetPerTupleMemoryContext(estate));
+
+ while (table_scan_getnextslot(scan, ForwardScanDirection, srcslot))
+ {
+ bool found = false;
+ bool insert_indexes;
+ TupleTableSlot *insertslot;
+
+ /* Extract data from old tuple. */
+ slot_getallattrs(srcslot);
+
+ econtext->ecxt_scantuple = srcslot;
+
+ /* Search partition for current slot srcslot. */
+ foreach(listptr, partContexts)
+ {
+ pc = (SplitPartitionContext *) lfirst(listptr);
+
+ if (pc->partqualstate /* skip DEFAULT partition */ &&
+ ExecCheck(pc->partqualstate, econtext))
+ {
+ found = true;
+ break;
+ }
+ ResetExprContext(econtext);
+ }
+ if (!found)
+ {
+ /* Use DEFAULT partition if it exists. */
+ if (defaultPartCtx)
+ pc = defaultPartCtx;
+ else
+ ereport(ERROR,
+ (errcode(ERRCODE_CHECK_VIOLATION),
+ errmsg("can not find partition for split partition row"),
+ errtable(splitRel)));
+ }
+
+ if (tuple_map)
+ {
+ /* Need to use map for copy attributes. */
+ insertslot = execute_attr_map_slot(tuple_map->attrMap, srcslot, pc->dstslot);
+ }
+ else
+ {
+ /* Copy attributes directly. */
+ insertslot = pc->dstslot;
+
+ ExecClearTuple(insertslot);
+
+ memcpy(insertslot->tts_values, srcslot->tts_values,
+ sizeof(Datum) * srcslot->tts_nvalid);
+ memcpy(insertslot->tts_isnull, srcslot->tts_isnull,
+ sizeof(bool) * srcslot->tts_nvalid);
+
+ ExecStoreVirtualTuple(insertslot);
+ }
+
+ /*
+ * Write the tuple out to the new relation. We ignore the
+ * 'insert_indexes' flag since newPartRel has no indexes anyway.
+ */
+ (void) table_tuple_insert(pc->partRel, insertslot, mycid,
+ ti_options, pc->bistate, &insert_indexes);
+
+ ResetExprContext(econtext);
+
+ CHECK_FOR_INTERRUPTS();
+ }
+
+ MemoryContextSwitchTo(oldCxt);
+
+ table_endscan(scan);
+ UnregisterSnapshot(snapshot);
+
+ if (tuple_map)
+ free_conversion_map(tuple_map);
+
+ ExecDropSingleTupleTableSlot(srcslot);
+
+ FreeExecutorState(estate);
+
+ foreach(listptr, partContexts)
+ deleteSplitPartitionContext((SplitPartitionContext *) lfirst(listptr), ti_options);
+
+ /* Need to close table and free buffers for DEFAULT partition. */
+ if (isOldDefaultPart)
+ {
+ Relation defaultPartRel = defaultPartCtx->partRel;
+
+ deleteSplitPartitionContext(defaultPartCtx, ti_options);
+ /* Keep the lock until commit. */
+ table_close(defaultPartRel, NoLock);
+ }
+}
+
/*
* createPartitionTable: create table for new partition with given name
* (newPartName) like table (modelRelName)
NULL);
}
+/*
+ * ALTER TABLE <name> SPLIT PARTITION <partition-name> INTO <partition-list>
+ */
+static void
+ATExecSplitPartition(List **wqueue, AlteredTableInfo *tab, Relation rel,
+ PartitionCmd *cmd, AlterTableUtilityContext *context)
+{
+ Relation splitRel;
+ Oid splitRelOid;
+ char relname[NAMEDATALEN];
+ Oid namespaceId;
+ ListCell *listptr,
+ *listptr2;
+ bool isSameName = false;
+ char tmpRelName[NAMEDATALEN];
+ List *newPartRels = NIL;
+ ObjectAddress object;
+ RangeVar *parentName;
+ Oid defaultPartOid;
+
+ defaultPartOid = get_default_oid_from_partdesc(RelationGetPartitionDesc(rel, true));
+
+ /*
+ * We are going to detach and remove this partition: need to use exclusive
+ * lock for prevent DML-queries to the partition.
+ */
+ splitRel = table_openrv(cmd->name, AccessExclusiveLock);
+
+ if (splitRel->rd_rel->relkind != RELKIND_RELATION)
+ ereport(ERROR,
+ (errcode(ERRCODE_WRONG_OBJECT_TYPE),
+ errmsg("cannot split non-table partition \"%s\"",
+ RelationGetRelationName(splitRel))));
+
+ splitRelOid = RelationGetRelid(splitRel);
+
+ /* Check descriptions of new partitions. */
+ foreach(listptr, cmd->partlist)
+ {
+ Oid existing_relid;
+ SinglePartitionSpec *sps = (SinglePartitionSpec *) lfirst(listptr);
+
+ strlcpy(relname, sps->name->relname, NAMEDATALEN);
+
+ /*
+ * Look up the namespace in which we are supposed to create the
+ * partition, check we have permission to create there, lock it
+ * against concurrent drop, and mark stmt->relation as
+ * RELPERSISTENCE_TEMP if a temporary namespace is selected.
+ */
+ namespaceId =
+ RangeVarGetAndCheckCreationNamespace(sps->name, NoLock, NULL);
+
+ /*
+ * This would fail later on anyway, if the relation already exists.
+ * But by catching it here we can emit a nicer error message.
+ */
+ existing_relid = get_relname_relid(relname, namespaceId);
+ if (existing_relid == splitRelOid && !isSameName)
+ /* One new partition can have the same name as split partition. */
+ isSameName = true;
+ else if (existing_relid != InvalidOid)
+ ereport(ERROR,
+ (errcode(ERRCODE_DUPLICATE_TABLE),
+ errmsg("relation \"%s\" already exists", relname)));
+ }
+
+ /* Detach split partition. */
+ RemoveInheritance(splitRel, rel, false);
+ /* Do the final part of detaching. */
+ DetachPartitionFinalize(rel, splitRel, false, defaultPartOid);
+
+ /*
+ * If new partition has the same name as split partition then we should
+ * rename split partition for reuse name.
+ */
+ if (isSameName)
+ {
+ /*
+ * We must bump the command counter to make the split partition tuple
+ * visible for rename.
+ */
+ CommandCounterIncrement();
+ /* Rename partition. */
+ sprintf(tmpRelName, "split-%u-%X-tmp", RelationGetRelid(rel), MyProcPid);
+ RenameRelationInternal(splitRelOid, tmpRelName, false, false);
+
+ /*
+ * We must bump the command counter to make the split partition tuple
+ * visible after rename.
+ */
+ CommandCounterIncrement();
+ }
+
+ /* Create new partitions (like split partition), without indexes. */
+ parentName = makeRangeVar(get_namespace_name(RelationGetNamespace(rel)),
+ RelationGetRelationName(rel), -1);
+ foreach(listptr, cmd->partlist)
+ {
+ SinglePartitionSpec *sps = (SinglePartitionSpec *) lfirst(listptr);
+ Relation newPartRel;
+
+ createPartitionTable(sps->name, parentName, context);
+
+ /* Open the new partition and acquire exclusive lock on it. */
+ newPartRel = table_openrv(sps->name, AccessExclusiveLock);
+
+ newPartRels = lappend(newPartRels, newPartRel);
+ }
+
+ /* Copy data from split partition to new partitions. */
+ moveSplitTableRows(rel, splitRel, cmd->partlist, newPartRels, defaultPartOid);
+ /* Keep the lock until commit. */
+ table_close(splitRel, NoLock);
+
+ /* Attach new partitions to partitioned table. */
+ forboth(listptr, cmd->partlist, listptr2, newPartRels)
+ {
+ SinglePartitionSpec *sps = (SinglePartitionSpec *) lfirst(listptr);
+ Relation newPartRel = (Relation) lfirst(listptr2);
+
+ /* wqueue = NULL: verification for each cloned constraint is not need. */
+ attachPartitionTable(NULL, rel, newPartRel, sps->bound);
+ /* Keep the lock until commit. */
+ table_close(newPartRel, NoLock);
+ }
+
+ /* Drop split partition. */
+ object.classId = RelationRelationId;
+ object.objectId = splitRelOid;
+ object.objectSubId = 0;
+ /* Probably DROP_CASCADE is not needed. */
+ performDeletion(&object, DROP_RESTRICT, 0);
+}
+
/*
* moveMergedTablesRows: scan partitions to be merged (mergingPartitionsList)
* of the partitioned table (rel) and move rows into the new partition
PartitionElem *partelem;
PartitionSpec *partspec;
PartitionBoundSpec *partboundspec;
+ SinglePartitionSpec *singlepartspec;
RoleSpec *rolespec;
PublicationObjSpec *publicationobjectspec;
struct SelectLimit *selectlimit;
%type <partelem> part_elem
%type <list> part_params
%type <partboundspec> PartitionBoundSpec
+%type <singlepartspec> SinglePartitionSpec
+%type <list> partitions_list
%type <list> hash_partbound
%type <defelt> hash_partbound_elem
SAVEPOINT SCALAR SCHEMA SCHEMAS SCROLL SEARCH SECOND_P SECURITY SELECT
SEQUENCE SEQUENCES
SERIALIZABLE SERVER SESSION SESSION_USER SET SETS SETOF SHARE SHOW
- SIMILAR SIMPLE SKIP SMALLINT SNAPSHOT SOME SOURCE SQL_P STABLE STANDALONE_P
+ SIMILAR SIMPLE SKIP SMALLINT SNAPSHOT SOME SPLIT SOURCE SQL_P STABLE STANDALONE_P
START STATEMENT STATISTICS STDIN STDOUT STORAGE STORED STRICT_P STRING_P STRIP_P
SUBSCRIPTION SUBSTRING SUPPORT SYMMETRIC SYSID SYSTEM_P SYSTEM_USER
| alter_table_cmds ',' alter_table_cmd { $$ = lappend($1, $3); }
;
+partitions_list:
+ SinglePartitionSpec { $$ = list_make1($1); }
+ | partitions_list ',' SinglePartitionSpec { $$ = lappend($1, $3); }
+ ;
+
+SinglePartitionSpec:
+ PARTITION qualified_name PartitionBoundSpec
+ {
+ SinglePartitionSpec *n = makeNode(SinglePartitionSpec);
+
+ n->name = $2;
+ n->bound = $3;
+
+ $$ = n;
+ }
+ ;
+
partition_cmd:
/* ALTER TABLE <name> ATTACH PARTITION <table_name> FOR VALUES */
ATTACH PARTITION qualified_name PartitionBoundSpec
n->def = (Node *) cmd;
$$ = (Node *) n;
}
+ /* ALTER TABLE <name> SPLIT PARTITION <partition_name> INTO () */
+ | SPLIT PARTITION qualified_name INTO '(' partitions_list ')'
+ {
+ AlterTableCmd *n = makeNode(AlterTableCmd);
+ PartitionCmd *cmd = makeNode(PartitionCmd);
+
+ n->subtype = AT_SplitPartition;
+ cmd->name = $3;
+ cmd->bound = NULL;
+ cmd->partlist = $6;
+ cmd->concurrent = false;
+ n->def = (Node *) cmd;
+ $$ = (Node *) n;
+ }
/* ALTER TABLE <name> MERGE PARTITIONS () INTO <partition_name> */
| MERGE PARTITIONS '(' qualified_name_list ')' INTO qualified_name
{
| SKIP
| SNAPSHOT
| SOURCE
+ | SPLIT
| SQL_P
| STABLE
| STANDALONE_P
| SNAPSHOT
| SOME
| SOURCE
+ | SPLIT
| SQL_P
| STABLE
| STANDALONE_P
List *constraintList);
static void transformColumnType(CreateStmtContext *cxt, ColumnDef *column);
static void setSchemaName(const char *context_schema, char **stmt_schema_name);
-static void transformPartitionCmd(CreateStmtContext *cxt, PartitionCmd *cmd);
+static void transformPartitionCmd(CreateStmtContext *cxt, PartitionBoundSpec *bound);
static List *transformPartitionRangeBounds(ParseState *pstate, List *blist,
Relation parent);
static void validateInfiniteBounds(ParseState *pstate, List *blist);
}
+/*
+ * transformPartitionCmdForSplit
+ * Analyze the ALTER TABLLE ... SPLIT PARTITION command
+ *
+ * For each new partition sps->bound is set to the transformed value of bound.
+ * Does checks for bounds of new partitions.
+ */
+static void
+transformPartitionCmdForSplit(CreateStmtContext *cxt, PartitionCmd *partcmd)
+{
+ Relation parent = cxt->rel;
+ Oid splitPartOid;
+ ListCell *listptr;
+
+ if (parent->rd_rel->relkind != RELKIND_PARTITIONED_TABLE)
+ ereport(ERROR,
+ (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
+ errmsg("\"%s\" is not a partitioned table", RelationGetRelationName(parent))));
+
+ /* Transform partition bounds for all partitions in the list: */
+ foreach(listptr, partcmd->partlist)
+ {
+ SinglePartitionSpec *sps = (SinglePartitionSpec *) lfirst(listptr);
+
+ cxt->partbound = NULL;
+ transformPartitionCmd(cxt, sps->bound);
+ /* Assign transformed value of the partition bound. */
+ sps->bound = cxt->partbound;
+ }
+
+ splitPartOid = RangeVarGetRelid(partcmd->name, NoLock, false);
+
+ /* Then we should check partitions with transformed bounds. */
+ check_partitions_for_split(parent, splitPartOid, partcmd->name, partcmd->partlist, cxt->pstate);
+}
+
+
/*
* transformPartitionCmdForMerge
* Analyze the ALTER TABLLE ... MERGE PARTITIONS command
{
PartitionCmd *partcmd = (PartitionCmd *) cmd->def;
- transformPartitionCmd(&cxt, partcmd);
+ transformPartitionCmd(&cxt, partcmd->bound);
/* assign transformed value of the partition bound */
partcmd->bound = cxt.partbound;
}
newcmds = lappend(newcmds, cmd);
break;
+ case AT_SplitPartition:
case AT_MergePartitions:
{
PartitionCmd *partcmd = (PartitionCmd *) cmd->def;
ereport(ERROR,
(errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
errmsg("list of new partitions should contains at least two items")));
- transformPartitionCmdForMerge(&cxt, partcmd);
+
+ if (cmd->subtype == AT_SplitPartition)
+ transformPartitionCmdForSplit(&cxt, partcmd);
+ else
+ transformPartitionCmdForMerge(&cxt, partcmd);
newcmds = lappend(newcmds, cmd);
break;
}
/*
* transformPartitionCmd
- * Analyze the ATTACH/DETACH PARTITION command
+ * Analyze the ATTACH/DETACH/SPLIT PARTITION command
*
- * In case of the ATTACH PARTITION command, cxt->partbound is set to the
- * transformed value of cmd->bound.
+ * In case of the ATTACH/SPLIT PARTITION command, cxt->partbound is set to the
+ * transformed value of bound.
*/
static void
-transformPartitionCmd(CreateStmtContext *cxt, PartitionCmd *cmd)
+transformPartitionCmd(CreateStmtContext *cxt, PartitionBoundSpec *bound)
{
Relation parentRel = cxt->rel;
case RELKIND_PARTITIONED_TABLE:
/* transform the partition bound, if any */
Assert(RelationGetPartitionKey(parentRel) != NULL);
- if (cmd->bound != NULL)
+ if (bound != NULL)
cxt->partbound = transformPartitionBound(cxt->pstate, parentRel,
- cmd->bound);
+ bound);
break;
case RELKIND_PARTITIONED_INDEX:
* A partitioned index cannot have a partition bound set. ALTER
* INDEX prevents that with its grammar, but not ALTER TABLE.
*/
- if (cmd->bound != NULL)
+ if (bound != NULL)
ereport(ERROR,
(errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
errmsg("\"%s\" is not a partitioned table",
}
}
+/*
+ * check_partitions_not_overlap_list
+ *
+ * (function for BY LIST partitioning)
+ *
+ * This is a helper function for check_partitions_for_split().
+ * Checks that the values of the new partitions do not overlap.
+ *
+ * parent: partitioned table
+ * parts: array of SinglePartitionSpec structs with info about split partitions
+ * nparts: size of array "parts"
+ */
+static void
+check_partitions_not_overlap_list(Relation parent,
+ SinglePartitionSpec **parts,
+ int nparts,
+ ParseState *pstate)
+{
+ PartitionKey key PG_USED_FOR_ASSERTS_ONLY = RelationGetPartitionKey(parent);
+ int overlap_location = -1;
+ int i,
+ j;
+ SinglePartitionSpec *sps1,
+ *sps2;
+ List *overlap;
+
+ Assert(key->strategy == PARTITION_STRATEGY_LIST);
+
+ for (i = 0; i < nparts; i++)
+ {
+ sps1 = parts[i];
+
+ for (j = i + 1; j < nparts; j++)
+ {
+ sps2 = parts[j];
+
+ /*
+ * Calculate intersection between values of two partitions.
+ */
+ overlap = list_intersection(sps1->bound->listdatums,
+ sps2->bound->listdatums);
+ if (list_length(overlap) > 0)
+ {
+ Const *val = (Const *) lfirst(list_head(overlap));
+
+ overlap_location = val->location;
+ ereport(ERROR,
+ (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
+ errmsg("new partition \"%s\" would overlap with another new partition \"%s\"",
+ sps1->name->relname, sps2->name->relname),
+ parser_errposition(pstate, overlap_location)));
+ }
+ }
+ }
+}
+
/*
* get_partition_bound_spec
*
* Returns description of partition with Oid "partOid" and name "name".
+ *
+ * partOid: partition Oid
+ * name: partition name
*/
static PartitionBoundSpec *
get_partition_bound_spec(Oid partOid, RangeVar *name)
return boundspec;
}
+/*
+ * check_partition_bounds_for_split_range
+ *
+ * (function for BY RANGE partitioning)
+ *
+ * Checks that bounds of new partition "spec" is inside bounds of split
+ * partition (with Oid splitPartOid). If first=true (this means that "spec" is
+ * the first of new partitions) then lower bound of "spec" should be equal (or
+ * greater than or equal in case defaultPart=true) to lower bound of split
+ * partition. If last=true (this means that "spec" is the last of new
+ * partitions) then upper bound of of "spec" should be equal (or less than or
+ * equal in case defaultPart=true) to upper bound of split partition.
+ *
+ * parent: partitioned table
+ * relname: name of the new partition
+ * spec: bounds specification of the new partition
+ * splitPartOid: split partition Oid
+ * splitPartName: split partition name
+ * first: true in case new partition "spec" is first of new partitions
+ * last: true in case new partition "spec" is last of new partitions
+ * defaultPart: true in case partitioned table has DEFAULT partition
+ * pstate: pointer to ParseState struct for determine error position
+ */
+static void
+check_partition_bounds_for_split_range(Relation parent,
+ char *relname,
+ PartitionBoundSpec *spec,
+ Oid splitPartOid,
+ RangeVar *splitPartName,
+ bool first,
+ bool last,
+ bool defaultPart,
+ ParseState *pstate)
+{
+ PartitionKey key = RelationGetPartitionKey(parent);
+ PartitionRangeBound *lower,
+ *upper;
+ int cmpval;
+
+ Assert(key->strategy == PARTITION_STRATEGY_RANGE);
+ Assert(spec->strategy == PARTITION_STRATEGY_RANGE);
+
+ lower = make_one_partition_rbound(key, -1, spec->lowerdatums, true);
+ upper = make_one_partition_rbound(key, -1, spec->upperdatums, false);
+
+ /*
+ * First check if the resulting range would be empty with specified lower
+ * and upper bounds. partition_rbound_cmp cannot return zero here, since
+ * the lower-bound flags are different.
+ */
+ cmpval = partition_rbound_cmp(key->partnatts,
+ key->partsupfunc,
+ key->partcollation,
+ lower->datums, lower->kind,
+ true, upper);
+ Assert(cmpval != 0);
+ if (cmpval > 0)
+ {
+ /* Point to problematic key in the lower datums list. */
+ PartitionRangeDatum *datum = list_nth(spec->lowerdatums, cmpval - 1);
+
+ ereport(ERROR,
+ (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
+ errmsg("empty range bound specified for partition \"%s\"",
+ relname),
+ errdetail("Specified lower bound %s is greater than or equal to upper bound %s.",
+ get_range_partbound_string(spec->lowerdatums),
+ get_range_partbound_string(spec->upperdatums)),
+ parser_errposition(pstate, datum->location)));
+ }
+
+ /* Need to check first and last partitions (from set of new partitions) */
+ if (first || last)
+ {
+ PartitionBoundSpec *split_spec = get_partition_bound_spec(splitPartOid, splitPartName);
+ bool overlap = false;
+
+ if (first)
+ {
+ PartitionRangeBound *split_lower;
+
+ split_lower = make_one_partition_rbound(key, -1, split_spec->lowerdatums, true);
+
+ cmpval = partition_rbound_cmp(key->partnatts,
+ key->partsupfunc,
+ key->partcollation,
+ lower->datums, lower->kind,
+ true, split_lower);
+
+ /*
+ * Lower bound of "spec" should be equal (or greater than or equal
+ * in case defaultPart=true) to lower bound of split partition.
+ */
+ if ((!defaultPart && cmpval) || (defaultPart && cmpval < 0))
+ overlap = true;
+ }
+ else
+ {
+ PartitionRangeBound *split_upper;
+
+ split_upper = make_one_partition_rbound(key, -1, split_spec->upperdatums, false);
+
+ cmpval = partition_rbound_cmp(key->partnatts,
+ key->partsupfunc,
+ key->partcollation,
+ upper->datums, upper->kind,
+ false, split_upper);
+
+ /*
+ * Upper bound of of "spec" should be equal (or less than or equal
+ * in case defaultPart=true) to upper bound of split partition.
+ */
+ if ((!defaultPart && cmpval) || (defaultPart && cmpval > 0))
+ overlap = true;
+ }
+
+ if (overlap)
+ {
+ PartitionRangeDatum *datum;
+
+ datum = list_nth(first ? spec->lowerdatums : spec->upperdatums, abs(cmpval) - 1);
+
+ ereport(ERROR,
+ (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
+ errmsg("%s bound of partition \"%s\" is %s %s bound of split partition",
+ first ? "lower" : "upper",
+ relname,
+ defaultPart ? (first ? "less than" : "greater than") : "not equals to",
+ first ? "lower" : "upper"),
+ parser_errposition(pstate, datum->location)));
+ }
+ }
+}
+
+/*
+ * check_partition_bounds_for_split_list
+ *
+ * (function for BY LIST partitioning)
+ *
+ * Checks that bounds of new partition is inside bounds of split partition
+ * (with Oid splitPartOid).
+ *
+ * parent: partitioned table
+ * relname: name of the new partition
+ * spec: bounds specification of the new partition
+ * splitPartOid: split partition Oid
+ * pstate: pointer to ParseState struct for determine error position
+ */
+static void
+check_partition_bounds_for_split_list(Relation parent, char *relname,
+ PartitionBoundSpec *spec,
+ Oid splitPartOid,
+ ParseState *pstate)
+{
+ PartitionKey key = RelationGetPartitionKey(parent);
+ PartitionDesc partdesc = RelationGetPartitionDesc(parent, false);
+ PartitionBoundInfo boundinfo = partdesc->boundinfo;
+ int with = -1;
+ bool overlap = false;
+ int overlap_location = -1;
+ ListCell *cell;
+
+ Assert(key->strategy == PARTITION_STRATEGY_LIST);
+ Assert(spec->strategy == PARTITION_STRATEGY_LIST);
+ Assert(boundinfo && boundinfo->strategy == PARTITION_STRATEGY_LIST);
+
+ /*
+ * Search each value of new partition "spec" in existing partitions. All
+ * of them should be in split partition (with Oid splitPartOid).
+ */
+ foreach(cell, spec->listdatums)
+ {
+ Const *val = lfirst_node(Const, cell);
+
+ overlap_location = val->location;
+ if (!val->constisnull)
+ {
+ int offset;
+ bool equal;
+
+ offset = partition_list_bsearch(&key->partsupfunc[0],
+ key->partcollation,
+ boundinfo,
+ val->constvalue,
+ &equal);
+ if (offset >= 0 && equal)
+ {
+ with = boundinfo->indexes[offset];
+ if (partdesc->oids[with] != splitPartOid)
+ {
+ overlap = true;
+ break;
+ }
+ }
+ else
+ ereport(ERROR,
+ (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
+ errmsg("new partition \"%s\" cannot have this value because split partition does not have",
+ relname),
+ parser_errposition(pstate, overlap_location)));
+ }
+ else if (partition_bound_accepts_nulls(boundinfo))
+ {
+ with = boundinfo->null_index;
+ if (partdesc->oids[with] != splitPartOid)
+ {
+ overlap = true;
+ break;
+ }
+ }
+ else
+ ereport(ERROR,
+ (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
+ errmsg("new partition \"%s\" cannot have NULL value because split partition does not have",
+ relname),
+ parser_errposition(pstate, overlap_location)));
+ }
+
+ if (overlap)
+ {
+ Assert(with >= 0);
+ ereport(ERROR,
+ (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
+ errmsg("new partition \"%s\" would overlap with another (not split) partition \"%s\"",
+ relname, get_rel_name(partdesc->oids[with])),
+ parser_errposition(pstate, overlap_location)));
+ }
+}
+
+/*
+ * find_value_in_new_partitions_list
+ *
+ * (function for BY LIST partitioning)
+ *
+ * Function returns true in case any of new partitions contains value "value".
+ *
+ * partsupfunc: information about comparison function associated with the partition key
+ * partcollation: partitioning collation
+ * parts: pointer to array with new partitions descriptions
+ * nparts: number of new partitions
+ * value: the value that we are looking for
+ * isnull: true if the value that we are looking for is NULL
+ */
+static bool
+find_value_in_new_partitions_list(FmgrInfo *partsupfunc,
+ Oid *partcollation,
+ SinglePartitionSpec **parts,
+ int nparts,
+ Datum value,
+ bool isnull)
+{
+ ListCell *valptr;
+ int i;
+
+ for (i = 0; i < nparts; i++)
+ {
+ SinglePartitionSpec *sps = parts[i];
+
+ foreach(valptr, sps->bound->listdatums)
+ {
+ Const *val = lfirst_node(Const, valptr);
+
+ if (isnull && val->constisnull)
+ return true;
+
+ if (!isnull && !val->constisnull)
+ {
+ if (DatumGetInt32(FunctionCall2Coll(&partsupfunc[0],
+ partcollation[0],
+ val->constvalue,
+ value)) == 0)
+ return true;
+ }
+ }
+ }
+ return false;
+}
+
+/*
+ * check_parent_values_in_new_partitions
+ *
+ * (function for BY LIST partitioning)
+ *
+ * Checks that all values of split partition (with Oid partOid) contains in new
+ * partitions.
+ *
+ * parent: partitioned table
+ * partOid: split partition Oid
+ * parts: pointer to array with new partitions descriptions
+ * nparts: number of new partitions
+ * pstate: pointer to ParseState struct for determine error position
+ */
+static void
+check_parent_values_in_new_partitions(Relation parent,
+ Oid partOid,
+ SinglePartitionSpec **parts,
+ int nparts,
+ ParseState *pstate)
+{
+ PartitionKey key = RelationGetPartitionKey(parent);
+ PartitionDesc partdesc = RelationGetPartitionDesc(parent, false);
+ PartitionBoundInfo boundinfo = partdesc->boundinfo;
+ int i;
+ bool found = true;
+ bool searchNull = false;
+ Datum datum = PointerGetDatum(NULL);
+
+ Assert(key->strategy == PARTITION_STRATEGY_LIST);
+
+ /*
+ * Special processing for NULL value. Search NULL-value if it contains
+ * split partition (partOid).
+ */
+ if (partition_bound_accepts_nulls(boundinfo) &&
+ partdesc->oids[boundinfo->null_index] == partOid)
+ {
+ if (!find_value_in_new_partitions_list(&key->partsupfunc[0],
+ key->partcollation, parts, nparts, datum, true))
+ {
+ found = false;
+ searchNull = true;
+ }
+ }
+
+ /*
+ * Search all values of split partition with partOid in PartitionDesc of
+ * partitionde table.
+ */
+ for (i = 0; i < boundinfo->ndatums; i++)
+ {
+ if (partdesc->oids[boundinfo->indexes[i]] == partOid)
+ {
+ /* We found value that split partition contains. */
+ datum = boundinfo->datums[i][0];
+ if (!find_value_in_new_partitions_list(&key->partsupfunc[0],
+ key->partcollation, parts, nparts, datum, false))
+ {
+ found = false;
+ break;
+ }
+ }
+ }
+
+ if (!found)
+ {
+ Const *notFoundVal;
+
+ if (!searchNull)
+ /* Make Const for get string representation of not found value. */
+ notFoundVal = makeConst(key->parttypid[0],
+ key->parttypmod[0],
+ key->parttypcoll[0],
+ key->parttyplen[0],
+ datum,
+ false, /* isnull */
+ key->parttypbyval[0]);
+
+ ereport(ERROR,
+ (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
+ errmsg("new partitions not have value %s but split partition has",
+ searchNull ? "NULL" : get_list_partvalue_string(notFoundVal))));
+ }
+}
+
+/*
+ * check_partitions_for_split
+ *
+ * Checks new partitions for SPLIT PARTITIONS command:
+ * 1. DEFAULT partition should be one.
+ * 2. New partitions should have different names
+ * (with existing partitions too).
+ * 3. Bounds of new partitions should not overlap with new and existing
+ * partitions.
+ * 4. In case split partition is DEFAULT partition, one of new partitions
+ * should be DEFAULT.
+ * 5. In case new partitions or existing partitions contains DEFAULT
+ * partition, new partitions can have any bounds inside split
+ * partition bound (can be spaces between partitions bounds).
+ * 6. In case partitioned table does not have DEFAULT partition, DEFAULT
+ * partition can be defined as one of new partition.
+ * 7. In case new partitions not contains DEFAULT partition and
+ * partitioned table does not have DEFAULT partition the following
+ * should be true: sum bounds of new partitions should be equal
+ * to bound of split partition.
+ *
+ * parent: partitioned table
+ * splitPartOid: split partition Oid
+ * splitPartName: split partition name
+ * list: list of new partitions
+ * pstate: pointer to ParseState struct for determine error position
+ */
+void
+check_partitions_for_split(Relation parent,
+ Oid splitPartOid,
+ RangeVar *splitPartName,
+ List *partlist,
+ ParseState *pstate)
+{
+ PartitionKey key;
+ char strategy;
+ Oid defaultPartOid;
+ bool isSplitPartDefault;
+ bool existsDefaultPart;
+ ListCell *listptr;
+ int default_index = -1;
+ int i,
+ j;
+ SinglePartitionSpec **new_parts;
+ SinglePartitionSpec *spsPrev = NULL;
+ int nparts = 0;
+
+ key = RelationGetPartitionKey(parent);
+ strategy = get_partition_strategy(key);
+
+ switch (strategy)
+ {
+ case PARTITION_STRATEGY_LIST:
+ case PARTITION_STRATEGY_RANGE:
+ {
+ /*
+ * Make array new_parts with new partitions except DEFAULT
+ * partition.
+ */
+ new_parts = (SinglePartitionSpec **)
+ palloc0(list_length(partlist) * sizeof(SinglePartitionSpec *));
+ i = 0;
+ foreach(listptr, partlist)
+ {
+ SinglePartitionSpec *sps =
+ (SinglePartitionSpec *) lfirst(listptr);
+
+ if (sps->bound->is_default)
+ {
+ if (default_index >= 0)
+ ereport(ERROR,
+ (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
+ errmsg("DEFAULT partition should be one")),
+ parser_errposition(pstate, sps->name->location));
+ default_index = i;
+ }
+ else
+ {
+ new_parts[nparts++] = sps;
+ }
+ i++;
+ }
+ }
+ break;
+
+ case PARTITION_STRATEGY_HASH:
+ ereport(ERROR,
+ (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
+ errmsg("partition of hash-partitioned table cannot be split")));
+ break;
+
+ default:
+ elog(ERROR, "unexpected partition strategy: %d",
+ (int) key->strategy);
+ break;
+ }
+
+ if (strategy == PARTITION_STRATEGY_RANGE)
+ {
+ PartitionRangeBound **lower_bounds;
+ SinglePartitionSpec **tmp_new_parts;
+
+ /*
+ * For simplify check for ranges of new partitions need to sort all
+ * partitions in ascending order of them bounds (we compare upper
+ * bound only).
+ */
+ lower_bounds = (PartitionRangeBound **)
+ palloc0(nparts * sizeof(PartitionRangeBound *));
+
+ /* Create array of lower bounds. */
+ for (i = 0; i < nparts; i++)
+ {
+ lower_bounds[i] = make_one_partition_rbound(key, i,
+ new_parts[i]->bound->lowerdatums, true);
+ }
+
+ /* Sort array of lower bounds. */
+ qsort_arg(lower_bounds, nparts, sizeof(PartitionRangeBound *),
+ qsort_partition_rbound_cmp, (void *) key);
+
+ /* Reorder array of partitions. */
+ tmp_new_parts = new_parts;
+ new_parts = (SinglePartitionSpec **)
+ palloc0(nparts * sizeof(SinglePartitionSpec *));
+ for (i = 0; i < nparts; i++)
+ new_parts[i] = tmp_new_parts[lower_bounds[i]->index];
+
+ pfree(tmp_new_parts);
+ pfree(lower_bounds);
+ }
+
+ defaultPartOid =
+ get_default_oid_from_partdesc(RelationGetPartitionDesc(parent, true));
+
+ /* isSplitPartDefault flag: is split partition a DEFAULT partition? */
+ isSplitPartDefault = (defaultPartOid == splitPartOid);
+
+ if (isSplitPartDefault && default_index < 0)
+ {
+ ereport(ERROR,
+ (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
+ errmsg("any partition in the list should be DEFAULT because split partition is DEFAULT")),
+ parser_errposition(pstate, ((SinglePartitionSpec *) linitial(partlist))->name->location));
+ }
+ else if (!isSplitPartDefault && (default_index >= 0) && OidIsValid(defaultPartOid))
+ {
+ SinglePartitionSpec *spsDef =
+ (SinglePartitionSpec *) list_nth(partlist, default_index);
+
+ ereport(ERROR,
+ (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
+ errmsg("new partition cannot be DEFAULT because DEFAULT partition already exists")),
+ parser_errposition(pstate, spsDef->name->location));
+ }
+
+ /* Indicator that partitioned table has (or will have) DEFAULT partition */
+ existsDefaultPart = OidIsValid(defaultPartOid) || (default_index >= 0);
+
+ for (i = 0; i < nparts; i++)
+ {
+ SinglePartitionSpec *sps = new_parts[i];
+
+ if (isSplitPartDefault)
+ {
+ /*
+ * In case split partition is DEFAULT partition we can use any
+ * free ranges - as when creating a new partition.
+ */
+ check_new_partition_bound(sps->name->relname, parent, sps->bound,
+ pstate);
+ }
+ else
+ {
+ /*
+ * Checks that bound of current partition is inside bound of split
+ * partition. For range partitioning: checks that upper bound of
+ * previous partition is equal to lower bound of current
+ * partition. For list partitioning: checks that split partition
+ * contains all values of current partition.
+ */
+ if (strategy == PARTITION_STRATEGY_RANGE)
+ {
+ bool first = (i == 0);
+ bool last = (i == (nparts - 1));
+
+ check_partition_bounds_for_split_range(parent, sps->name->relname, sps->bound,
+ splitPartOid, splitPartName,
+ first, last,
+ existsDefaultPart, pstate);
+ }
+ else
+ check_partition_bounds_for_split_list(parent, sps->name->relname,
+ sps->bound, splitPartOid, pstate);
+ }
+
+ /* Ranges of new partitions should not overlap. */
+ if (strategy == PARTITION_STRATEGY_RANGE && spsPrev)
+ check_two_partitions_bounds_range(parent, spsPrev->name, spsPrev->bound,
+ sps->name, sps->bound, existsDefaultPart, pstate);
+
+ spsPrev = sps;
+
+ /* Check: new partitions should have different names. */
+ for (j = i + 1; j < nparts; j++)
+ {
+ SinglePartitionSpec *sps2 = new_parts[j];
+
+ if (equal(sps->name, sps2->name))
+ ereport(ERROR,
+ (errcode(ERRCODE_DUPLICATE_TABLE),
+ errmsg("name \"%s\" already used", sps2->name->relname)),
+ parser_errposition(pstate, sps2->name->location));
+ }
+ }
+
+ if (strategy == PARTITION_STRATEGY_LIST)
+ {
+ /* Values of new partitions should not overlap. */
+ check_partitions_not_overlap_list(parent, new_parts, nparts,
+ pstate);
+
+ /*
+ * Need to check that all values of split partition contains in new
+ * partitions. Skip this check if DEFAULT partition exists.
+ */
+ if (!existsDefaultPart)
+ check_parent_values_in_new_partitions(parent, splitPartOid,
+ new_parts, nparts, pstate);
+ }
+
+ pfree(new_parts);
+}
+
/*
* calculate_partition_bound_for_merge
*
return buf->data;
}
+
+/*
+ * get_list_partvalue_string
+ * A C string representation of one list partition value
+ */
+char *
+get_list_partvalue_string(Const *val)
+{
+ deparse_context context;
+ StringInfo buf = makeStringInfo();
+
+ memset(&context, 0, sizeof(deparse_context));
+ context.buf = buf;
+
+ get_const_expr(val, &context, -1);
+
+ return buf->data;
+}
AT_AttachPartition, /* ATTACH PARTITION */
AT_DetachPartition, /* DETACH PARTITION */
AT_DetachPartitionFinalize, /* DETACH PARTITION FINALIZE */
+ AT_SplitPartition, /* SPLIT PARTITION */
AT_MergePartitions, /* MERGE PARTITIONS */
AT_AddIdentity, /* ADD IDENTITY */
AT_SetIdentity, /* SET identity column options */
PG_KEYWORD("snapshot", SNAPSHOT, UNRESERVED_KEYWORD, BARE_LABEL)
PG_KEYWORD("some", SOME, RESERVED_KEYWORD, BARE_LABEL)
PG_KEYWORD("source", SOURCE, UNRESERVED_KEYWORD, BARE_LABEL)
+PG_KEYWORD("split", SPLIT, UNRESERVED_KEYWORD, BARE_LABEL)
PG_KEYWORD("sql", SQL_P, UNRESERVED_KEYWORD, BARE_LABEL)
PG_KEYWORD("stable", STABLE, UNRESERVED_KEYWORD, BARE_LABEL)
PG_KEYWORD("standalone", STANDALONE_P, UNRESERVED_KEYWORD, BARE_LABEL)
extern int partition_hash_bsearch(PartitionBoundInfo boundinfo,
int modulus, int remainder);
+extern void check_partitions_for_split(Relation parent,
+ Oid splitPartOid,
+ RangeVar *splitPartName,
+ List *partlist,
+ ParseState *pstate);
extern void calculate_partition_bound_for_merge(Relation parent,
List *partNames,
List *partOids,
extern char *pg_get_statisticsobjdef_string(Oid statextid);
+extern char *get_list_partvalue_string(Const *val);
+
#endif /* RULEUTILS_H */
--- /dev/null
+Parsed test spec with 2 sessions
+
+starting permutation: s1b s1splt s2b s2i s1c s2c s2s
+step s1b: BEGIN;
+step s1splt: ALTER TABLE tpart SPLIT PARTITION tpart_10_20 INTO
+ (PARTITION tpart_10_15 FOR VALUES FROM (10) TO (15),
+ PARTITION tpart_15_20 FOR VALUES FROM (15) TO (20));
+step s2b: BEGIN;
+step s2i: INSERT INTO tpart VALUES (1, 'text01'); <waiting ...>
+step s1c: COMMIT;
+step s2i: <... completed>
+step s2c: COMMIT;
+step s2s: SELECT * FROM tpart;
+ i|t
+--+------
+ 5|text05
+ 1|text01
+15|text15
+25|text25
+35|text35
+(5 rows)
+
+
+starting permutation: s1b s1splt s2brr s2i s1c s2c s2s
+step s1b: BEGIN;
+step s1splt: ALTER TABLE tpart SPLIT PARTITION tpart_10_20 INTO
+ (PARTITION tpart_10_15 FOR VALUES FROM (10) TO (15),
+ PARTITION tpart_15_20 FOR VALUES FROM (15) TO (20));
+step s2brr: BEGIN ISOLATION LEVEL REPEATABLE READ;
+step s2i: INSERT INTO tpart VALUES (1, 'text01'); <waiting ...>
+step s1c: COMMIT;
+step s2i: <... completed>
+step s2c: COMMIT;
+step s2s: SELECT * FROM tpart;
+ i|t
+--+------
+ 5|text05
+ 1|text01
+15|text15
+25|text25
+35|text35
+(5 rows)
+
+
+starting permutation: s1b s1splt s2bs s2i s1c s2c s2s
+step s1b: BEGIN;
+step s1splt: ALTER TABLE tpart SPLIT PARTITION tpart_10_20 INTO
+ (PARTITION tpart_10_15 FOR VALUES FROM (10) TO (15),
+ PARTITION tpart_15_20 FOR VALUES FROM (15) TO (20));
+step s2bs: BEGIN ISOLATION LEVEL SERIALIZABLE;
+step s2i: INSERT INTO tpart VALUES (1, 'text01'); <waiting ...>
+step s1c: COMMIT;
+step s2i: <... completed>
+step s2c: COMMIT;
+step s2s: SELECT * FROM tpart;
+ i|t
+--+------
+ 5|text05
+ 1|text01
+15|text15
+25|text25
+35|text35
+(5 rows)
+
+
+starting permutation: s1brr s1splt s2b s2i s1c s2c s2s
+step s1brr: BEGIN ISOLATION LEVEL REPEATABLE READ;
+step s1splt: ALTER TABLE tpart SPLIT PARTITION tpart_10_20 INTO
+ (PARTITION tpart_10_15 FOR VALUES FROM (10) TO (15),
+ PARTITION tpart_15_20 FOR VALUES FROM (15) TO (20));
+step s2b: BEGIN;
+step s2i: INSERT INTO tpart VALUES (1, 'text01'); <waiting ...>
+step s1c: COMMIT;
+step s2i: <... completed>
+step s2c: COMMIT;
+step s2s: SELECT * FROM tpart;
+ i|t
+--+------
+ 5|text05
+ 1|text01
+15|text15
+25|text25
+35|text35
+(5 rows)
+
+
+starting permutation: s1brr s1splt s2brr s2i s1c s2c s2s
+step s1brr: BEGIN ISOLATION LEVEL REPEATABLE READ;
+step s1splt: ALTER TABLE tpart SPLIT PARTITION tpart_10_20 INTO
+ (PARTITION tpart_10_15 FOR VALUES FROM (10) TO (15),
+ PARTITION tpart_15_20 FOR VALUES FROM (15) TO (20));
+step s2brr: BEGIN ISOLATION LEVEL REPEATABLE READ;
+step s2i: INSERT INTO tpart VALUES (1, 'text01'); <waiting ...>
+step s1c: COMMIT;
+step s2i: <... completed>
+step s2c: COMMIT;
+step s2s: SELECT * FROM tpart;
+ i|t
+--+------
+ 5|text05
+ 1|text01
+15|text15
+25|text25
+35|text35
+(5 rows)
+
+
+starting permutation: s1brr s1splt s2bs s2i s1c s2c s2s
+step s1brr: BEGIN ISOLATION LEVEL REPEATABLE READ;
+step s1splt: ALTER TABLE tpart SPLIT PARTITION tpart_10_20 INTO
+ (PARTITION tpart_10_15 FOR VALUES FROM (10) TO (15),
+ PARTITION tpart_15_20 FOR VALUES FROM (15) TO (20));
+step s2bs: BEGIN ISOLATION LEVEL SERIALIZABLE;
+step s2i: INSERT INTO tpart VALUES (1, 'text01'); <waiting ...>
+step s1c: COMMIT;
+step s2i: <... completed>
+step s2c: COMMIT;
+step s2s: SELECT * FROM tpart;
+ i|t
+--+------
+ 5|text05
+ 1|text01
+15|text15
+25|text25
+35|text35
+(5 rows)
+
+
+starting permutation: s1bs s1splt s2b s2i s1c s2c s2s
+step s1bs: BEGIN ISOLATION LEVEL SERIALIZABLE;
+step s1splt: ALTER TABLE tpart SPLIT PARTITION tpart_10_20 INTO
+ (PARTITION tpart_10_15 FOR VALUES FROM (10) TO (15),
+ PARTITION tpart_15_20 FOR VALUES FROM (15) TO (20));
+step s2b: BEGIN;
+step s2i: INSERT INTO tpart VALUES (1, 'text01'); <waiting ...>
+step s1c: COMMIT;
+step s2i: <... completed>
+step s2c: COMMIT;
+step s2s: SELECT * FROM tpart;
+ i|t
+--+------
+ 5|text05
+ 1|text01
+15|text15
+25|text25
+35|text35
+(5 rows)
+
+
+starting permutation: s1bs s1splt s2brr s2i s1c s2c s2s
+step s1bs: BEGIN ISOLATION LEVEL SERIALIZABLE;
+step s1splt: ALTER TABLE tpart SPLIT PARTITION tpart_10_20 INTO
+ (PARTITION tpart_10_15 FOR VALUES FROM (10) TO (15),
+ PARTITION tpart_15_20 FOR VALUES FROM (15) TO (20));
+step s2brr: BEGIN ISOLATION LEVEL REPEATABLE READ;
+step s2i: INSERT INTO tpart VALUES (1, 'text01'); <waiting ...>
+step s1c: COMMIT;
+step s2i: <... completed>
+step s2c: COMMIT;
+step s2s: SELECT * FROM tpart;
+ i|t
+--+------
+ 5|text05
+ 1|text01
+15|text15
+25|text25
+35|text35
+(5 rows)
+
+
+starting permutation: s1bs s1splt s2bs s2i s1c s2c s2s
+step s1bs: BEGIN ISOLATION LEVEL SERIALIZABLE;
+step s1splt: ALTER TABLE tpart SPLIT PARTITION tpart_10_20 INTO
+ (PARTITION tpart_10_15 FOR VALUES FROM (10) TO (15),
+ PARTITION tpart_15_20 FOR VALUES FROM (15) TO (20));
+step s2bs: BEGIN ISOLATION LEVEL SERIALIZABLE;
+step s2i: INSERT INTO tpart VALUES (1, 'text01'); <waiting ...>
+step s1c: COMMIT;
+step s2i: <... completed>
+step s2c: COMMIT;
+step s2s: SELECT * FROM tpart;
+ i|t
+--+------
+ 5|text05
+ 1|text01
+15|text15
+25|text25
+35|text35
+(5 rows)
+
test: partition-key-update-3
test: partition-key-update-4
test: partition-merge
+test: partition-split
test: plpgsql-toast
test: cluster-conflict
test: cluster-conflict-partition
--- /dev/null
+# Verify that SPLIT operation locks DML operations with partitioned table
+
+setup
+{
+ DROP TABLE IF EXISTS tpart;
+ CREATE TABLE tpart(i int, t text) partition by range(i);
+ CREATE TABLE tpart_00_10 PARTITION OF tpart FOR VALUES FROM (0) TO (10);
+ CREATE TABLE tpart_10_20 PARTITION OF tpart FOR VALUES FROM (10) TO (20);
+ CREATE TABLE tpart_20_30 PARTITION OF tpart FOR VALUES FROM (20) TO (30);
+ CREATE TABLE tpart_default PARTITION OF tpart DEFAULT;
+ INSERT INTO tpart VALUES (5, 'text05');
+ INSERT INTO tpart VALUES (15, 'text15');
+ INSERT INTO tpart VALUES (25, 'text25');
+ INSERT INTO tpart VALUES (35, 'text35');
+}
+
+teardown
+{
+ DROP TABLE tpart;
+}
+
+session s1
+step s1b { BEGIN; }
+step s1brr { BEGIN ISOLATION LEVEL REPEATABLE READ; }
+step s1bs { BEGIN ISOLATION LEVEL SERIALIZABLE; }
+step s1splt { ALTER TABLE tpart SPLIT PARTITION tpart_10_20 INTO
+ (PARTITION tpart_10_15 FOR VALUES FROM (10) TO (15),
+ PARTITION tpart_15_20 FOR VALUES FROM (15) TO (20)); }
+step s1c { COMMIT; }
+
+
+session s2
+step s2b { BEGIN; }
+step s2brr { BEGIN ISOLATION LEVEL REPEATABLE READ; }
+step s2bs { BEGIN ISOLATION LEVEL SERIALIZABLE; }
+step s2i { INSERT INTO tpart VALUES (1, 'text01'); }
+step s2c { COMMIT; }
+step s2s { SELECT * FROM tpart; }
+
+
+# s1 starts SPLIT PARTITION then s2 trying to insert row and
+# waits until s1 finished SPLIT operation.
+
+permutation s1b s1splt s2b s2i s1c s2c s2s
+permutation s1b s1splt s2brr s2i s1c s2c s2s
+permutation s1b s1splt s2bs s2i s1c s2c s2s
+
+permutation s1brr s1splt s2b s2i s1c s2c s2s
+permutation s1brr s1splt s2brr s2i s1c s2c s2s
+permutation s1brr s1splt s2bs s2i s1c s2c s2s
+
+permutation s1bs s1splt s2b s2i s1c s2c s2s
+permutation s1bs s1splt s2brr s2i s1c s2c s2s
+permutation s1bs s1splt s2bs s2i s1c s2c s2s
case AT_DetachPartitionFinalize:
strtype = "DETACH PARTITION ... FINALIZE";
break;
+ case AT_SplitPartition:
+ strtype = "SPLIT PARTITION";
+ break;
case AT_MergePartitions:
strtype = "MERGE PARTITIONS";
break;
--- /dev/null
+--
+-- PARTITION_SPLIT
+-- Tests for "ALTER TABLE ... SPLIT PARTITION ..." command
+--
+CREATE SCHEMA partition_split_schema;
+SET search_path = partition_split_schema, public;
+--
+-- BY RANGE partitioning
+--
+--
+-- Test for error codes
+--
+CREATE TABLE sales_range (salesman_id int, salesman_name varchar(30), sales_amount int, sales_date date) PARTITION BY RANGE (sales_date);
+CREATE TABLE sales_jan2022 PARTITION OF sales_range FOR VALUES FROM ('2022-01-01') TO ('2022-02-01');
+CREATE TABLE sales_feb_mar_apr2022 PARTITION OF sales_range FOR VALUES FROM ('2022-02-01') TO ('2022-05-01');
+CREATE TABLE sales_others PARTITION OF sales_range DEFAULT;
+-- ERROR: relation "sales_xxx" does not exist
+ALTER TABLE sales_range SPLIT PARTITION sales_xxx INTO
+ (PARTITION sales_feb2022 FOR VALUES FROM ('2022-02-01') TO ('2022-03-01'),
+ PARTITION sales_mar2022 FOR VALUES FROM ('2022-03-01') TO ('2022-04-01'),
+ PARTITION sales_apr2022 FOR VALUES FROM ('2022-04-01') TO ('2022-05-01'));
+ERROR: relation "sales_xxx" does not exist
+-- ERROR: relation "sales_jan2022" already exists
+ALTER TABLE sales_range SPLIT PARTITION sales_feb_mar_apr2022 INTO
+ (PARTITION sales_jan2022 FOR VALUES FROM ('2022-02-01') TO ('2022-03-01'),
+ PARTITION sales_mar2022 FOR VALUES FROM ('2022-03-01') TO ('2022-04-01'),
+ PARTITION sales_apr2022 FOR VALUES FROM ('2022-04-01') TO ('2022-05-01'));
+ERROR: relation "sales_jan2022" already exists
+-- ERROR: invalid bound specification for a range partition
+ALTER TABLE sales_range SPLIT PARTITION sales_feb_mar_apr2022 INTO
+ (PARTITION sales_jan2022 FOR VALUES IN ('2022-05-01', '2022-06-01'),
+ PARTITION sales_mar2022 FOR VALUES FROM ('2022-03-01') TO ('2022-04-01'),
+ PARTITION sales_apr2022 FOR VALUES FROM ('2022-04-01') TO ('2022-05-01'));
+ERROR: invalid bound specification for a range partition
+LINE 2: (PARTITION sales_jan2022 FOR VALUES IN ('2022-05-01', '202...
+ ^
+-- ERROR: empty range bound specified for partition "sales_mar2022"
+ALTER TABLE sales_range SPLIT PARTITION sales_feb_mar_apr2022 INTO
+ (PARTITION sales_feb2022 FOR VALUES FROM ('2022-02-01') TO ('2022-03-01'),
+ PARTITION sales_mar2022 FOR VALUES FROM ('2022-03-01') TO ('2022-02-01'),
+ PARTITION sales_apr2022 FOR VALUES FROM ('2022-04-01') TO ('2022-05-01'));
+ERROR: empty range bound specified for partition "sales_mar2022"
+LINE 3: PARTITION sales_mar2022 FOR VALUES FROM ('2022-03-01') TO...
+ ^
+DETAIL: Specified lower bound ('03-01-2022') is greater than or equal to upper bound ('02-01-2022').
+--ERROR: list of split partitions should contains at least two items
+ALTER TABLE sales_range SPLIT PARTITION sales_feb_mar_apr2022 INTO
+ (PARTITION sales_feb2022 FOR VALUES FROM ('2022-02-01') TO ('2022-10-01'));
+ERROR: list of new partitions should contains at least two items
+-- ERROR: lower bound of partition "sales_feb2022" is less than lower bound of split partition
+ALTER TABLE sales_range SPLIT PARTITION sales_feb_mar_apr2022 INTO
+ (PARTITION sales_feb2022 FOR VALUES FROM ('2022-01-01') TO ('2022-03-01'),
+ PARTITION sales_mar2022 FOR VALUES FROM ('2022-03-01') TO ('2022-04-01'),
+ PARTITION sales_apr2022 FOR VALUES FROM ('2022-04-01') TO ('2022-05-01'));
+ERROR: lower bound of partition "sales_feb2022" is less than lower bound of split partition
+LINE 2: (PARTITION sales_feb2022 FOR VALUES FROM ('2022-01-01') TO...
+ ^
+-- ERROR: name "sales_feb_mar_apr2022" already used
+-- (We can create partition with the same name as split partition, but can't create two partitions with the same name)
+ALTER TABLE sales_range SPLIT PARTITION sales_feb_mar_apr2022 INTO
+ (PARTITION sales_feb_mar_apr2022 FOR VALUES FROM ('2022-02-01') TO ('2022-03-01'),
+ PARTITION sales_feb_mar_apr2022 FOR VALUES FROM ('2022-03-01') TO ('2022-04-01'),
+ PARTITION sales_apr2022 FOR VALUES FROM ('2022-04-01') TO ('2022-05-01'));
+ERROR: name "sales_feb_mar_apr2022" already used
+LINE 3: PARTITION sales_feb_mar_apr2022 FOR VALUES FROM ('2022-03...
+ ^
+-- ERROR: name "sales_feb2022" already used
+ALTER TABLE sales_range SPLIT PARTITION sales_feb_mar_apr2022 INTO
+ (PARTITION sales_feb2022 FOR VALUES FROM ('2022-02-01') TO ('2022-03-01'),
+ PARTITION sales_feb2022 FOR VALUES FROM ('2022-03-01') TO ('2022-04-01'),
+ PARTITION sales_apr2022 FOR VALUES FROM ('2022-04-01') TO ('2022-05-01'));
+ERROR: name "sales_feb2022" already used
+LINE 3: PARTITION sales_feb2022 FOR VALUES FROM ('2022-03-01') TO...
+ ^
+-- ERROR: "sales_feb_mar_apr2022" is not a partitioned table
+ALTER TABLE sales_feb_mar_apr2022 SPLIT PARTITION sales_feb_mar_apr2022 INTO
+ (PARTITION sales_jan2022 FOR VALUES FROM ('2022-02-01') TO ('2022-03-01'),
+ PARTITION sales_feb2022 FOR VALUES FROM ('2022-03-01') TO ('2022-04-01'),
+ PARTITION sales_apr2022 FOR VALUES FROM ('2022-04-01') TO ('2022-05-01'));
+ERROR: "sales_feb_mar_apr2022" is not a partitioned table
+-- ERROR: upper bound of partition "sales_apr2022" is greater than upper bound of split partition
+ALTER TABLE sales_range SPLIT PARTITION sales_feb_mar_apr2022 INTO
+ (PARTITION sales_feb2022 FOR VALUES FROM ('2022-02-01') TO ('2022-03-01'),
+ PARTITION sales_mar2022 FOR VALUES FROM ('2022-03-01') TO ('2022-04-01'),
+ PARTITION sales_apr2022 FOR VALUES FROM ('2022-04-01') TO ('2022-06-01'));
+ERROR: upper bound of partition "sales_apr2022" is greater than upper bound of split partition
+LINE 4: ... sales_apr2022 FOR VALUES FROM ('2022-04-01') TO ('2022-06-0...
+ ^
+-- ERROR: lower bound of partition "sales_mar2022" is not equals to upper bound of previous partition
+ALTER TABLE sales_range SPLIT PARTITION sales_feb_mar_apr2022 INTO
+ (PARTITION sales_feb2022 FOR VALUES FROM ('2022-02-01') TO ('2022-03-01'),
+ PARTITION sales_mar2022 FOR VALUES FROM ('2022-02-01') TO ('2022-04-01'),
+ PARTITION sales_apr2022 FOR VALUES FROM ('2022-04-01') TO ('2022-05-01'));
+ERROR: lower bound of partition "sales_mar2022" conflicts with upper bound of previous partition "sales_feb2022"
+LINE 3: PARTITION sales_mar2022 FOR VALUES FROM ('2022-02-01') TO...
+ ^
+-- Tests for spaces between partitions, them should be executed without DEFAULT partition
+ALTER TABLE sales_range DETACH PARTITION sales_others;
+-- ERROR: lower bound of partition "sales_feb2022" is not equals to lower bound of split partition
+ALTER TABLE sales_range SPLIT PARTITION sales_feb_mar_apr2022 INTO
+ (PARTITION sales_feb2022 FOR VALUES FROM ('2022-02-02') TO ('2022-03-01'),
+ PARTITION sales_mar2022 FOR VALUES FROM ('2022-03-01') TO ('2022-04-01'),
+ PARTITION sales_apr2022 FOR VALUES FROM ('2022-04-01') TO ('2022-05-01'));
+ERROR: lower bound of partition "sales_feb2022" is not equals to lower bound of split partition
+LINE 2: (PARTITION sales_feb2022 FOR VALUES FROM ('2022-02-02') TO...
+ ^
+DROP TABLE sales_range;
+DROP TABLE sales_others;
+--
+-- Add rows into partitioned table then split partition
+--
+CREATE TABLE sales_range (salesman_id INT, salesman_name VARCHAR(30), sales_amount INT, sales_date DATE) PARTITION BY RANGE (sales_date);
+CREATE TABLE sales_jan2022 PARTITION OF sales_range FOR VALUES FROM ('2022-01-01') TO ('2022-02-01');
+CREATE TABLE sales_feb_mar_apr2022 PARTITION OF sales_range FOR VALUES FROM ('2022-02-01') TO ('2022-05-01');
+CREATE TABLE sales_others PARTITION OF sales_range DEFAULT;
+INSERT INTO sales_range VALUES (1, 'May', 1000, '2022-01-31');
+INSERT INTO sales_range VALUES (2, 'Smirnoff', 500, '2022-02-10');
+INSERT INTO sales_range VALUES (3, 'Ford', 2000, '2022-04-30');
+INSERT INTO sales_range VALUES (4, 'Ivanov', 750, '2022-04-13');
+INSERT INTO sales_range VALUES (5, 'Deev', 250, '2022-04-07');
+INSERT INTO sales_range VALUES (6, 'Poirot', 150, '2022-02-11');
+INSERT INTO sales_range VALUES (7, 'Li', 175, '2022-03-08');
+INSERT INTO sales_range VALUES (8, 'Ericsson', 185, '2022-02-23');
+INSERT INTO sales_range VALUES (9, 'Muller', 250, '2022-03-11');
+INSERT INTO sales_range VALUES (10, 'Halder', 350, '2022-01-28');
+INSERT INTO sales_range VALUES (11, 'Trump', 380, '2022-04-06');
+INSERT INTO sales_range VALUES (12, 'Plato', 350, '2022-03-19');
+INSERT INTO sales_range VALUES (13, 'Gandi', 377, '2022-01-09');
+INSERT INTO sales_range VALUES (14, 'Smith', 510, '2022-05-04');
+ALTER TABLE sales_range SPLIT PARTITION sales_feb_mar_apr2022 INTO
+ (PARTITION sales_feb2022 FOR VALUES FROM ('2022-02-01') TO ('2022-03-01'),
+ PARTITION sales_mar2022 FOR VALUES FROM ('2022-03-01') TO ('2022-04-01'),
+ PARTITION sales_apr2022 FOR VALUES FROM ('2022-04-01') TO ('2022-05-01'));
+SELECT * FROM sales_range;
+ salesman_id | salesman_name | sales_amount | sales_date
+-------------+---------------+--------------+------------
+ 1 | May | 1000 | 01-31-2022
+ 10 | Halder | 350 | 01-28-2022
+ 13 | Gandi | 377 | 01-09-2022
+ 2 | Smirnoff | 500 | 02-10-2022
+ 6 | Poirot | 150 | 02-11-2022
+ 8 | Ericsson | 185 | 02-23-2022
+ 7 | Li | 175 | 03-08-2022
+ 9 | Muller | 250 | 03-11-2022
+ 12 | Plato | 350 | 03-19-2022
+ 3 | Ford | 2000 | 04-30-2022
+ 4 | Ivanov | 750 | 04-13-2022
+ 5 | Deev | 250 | 04-07-2022
+ 11 | Trump | 380 | 04-06-2022
+ 14 | Smith | 510 | 05-04-2022
+(14 rows)
+
+SELECT * FROM sales_jan2022;
+ salesman_id | salesman_name | sales_amount | sales_date
+-------------+---------------+--------------+------------
+ 1 | May | 1000 | 01-31-2022
+ 10 | Halder | 350 | 01-28-2022
+ 13 | Gandi | 377 | 01-09-2022
+(3 rows)
+
+SELECT * FROM sales_feb2022;
+ salesman_id | salesman_name | sales_amount | sales_date
+-------------+---------------+--------------+------------
+ 2 | Smirnoff | 500 | 02-10-2022
+ 6 | Poirot | 150 | 02-11-2022
+ 8 | Ericsson | 185 | 02-23-2022
+(3 rows)
+
+SELECT * FROM sales_mar2022;
+ salesman_id | salesman_name | sales_amount | sales_date
+-------------+---------------+--------------+------------
+ 7 | Li | 175 | 03-08-2022
+ 9 | Muller | 250 | 03-11-2022
+ 12 | Plato | 350 | 03-19-2022
+(3 rows)
+
+SELECT * FROM sales_apr2022;
+ salesman_id | salesman_name | sales_amount | sales_date
+-------------+---------------+--------------+------------
+ 3 | Ford | 2000 | 04-30-2022
+ 4 | Ivanov | 750 | 04-13-2022
+ 5 | Deev | 250 | 04-07-2022
+ 11 | Trump | 380 | 04-06-2022
+(4 rows)
+
+SELECT * FROM sales_others;
+ salesman_id | salesman_name | sales_amount | sales_date
+-------------+---------------+--------------+------------
+ 14 | Smith | 510 | 05-04-2022
+(1 row)
+
+DROP TABLE sales_range CASCADE;
+--
+-- Add split partition then add rows into partitioned table
+--
+CREATE TABLE sales_range (salesman_id INT, salesman_name VARCHAR(30), sales_amount INT, sales_date DATE) PARTITION BY RANGE (sales_date);
+CREATE TABLE sales_jan2022 PARTITION OF sales_range FOR VALUES FROM ('2022-01-01') TO ('2022-02-01');
+CREATE TABLE sales_feb_mar_apr2022 PARTITION OF sales_range FOR VALUES FROM ('2022-02-01') TO ('2022-05-01');
+CREATE TABLE sales_others PARTITION OF sales_range DEFAULT;
+ALTER TABLE sales_range SPLIT PARTITION sales_feb_mar_apr2022 INTO
+ (PARTITION sales_feb2022 FOR VALUES FROM ('2022-02-01') TO ('2022-03-01'),
+ PARTITION sales_mar2022 FOR VALUES FROM ('2022-03-01') TO ('2022-04-01'),
+ PARTITION sales_apr2022 FOR VALUES FROM ('2022-04-01') TO ('2022-05-01'));
+INSERT INTO sales_range VALUES (1, 'May', 1000, '2022-01-31');
+INSERT INTO sales_range VALUES (2, 'Smirnoff', 500, '2022-02-10');
+INSERT INTO sales_range VALUES (3, 'Ford', 2000, '2022-04-30');
+INSERT INTO sales_range VALUES (4, 'Ivanov', 750, '2022-04-13');
+INSERT INTO sales_range VALUES (5, 'Deev', 250, '2022-04-07');
+INSERT INTO sales_range VALUES (6, 'Poirot', 150, '2022-02-11');
+INSERT INTO sales_range VALUES (7, 'Li', 175, '2022-03-08');
+INSERT INTO sales_range VALUES (8, 'Ericsson', 185, '2022-02-23');
+INSERT INTO sales_range VALUES (9, 'Muller', 250, '2022-03-11');
+INSERT INTO sales_range VALUES (10, 'Halder', 350, '2022-01-28');
+INSERT INTO sales_range VALUES (11, 'Trump', 380, '2022-04-06');
+INSERT INTO sales_range VALUES (12, 'Plato', 350, '2022-03-19');
+INSERT INTO sales_range VALUES (13, 'Gandi', 377, '2022-01-09');
+INSERT INTO sales_range VALUES (14, 'Smith', 510, '2022-05-04');
+SELECT * FROM sales_range;
+ salesman_id | salesman_name | sales_amount | sales_date
+-------------+---------------+--------------+------------
+ 1 | May | 1000 | 01-31-2022
+ 10 | Halder | 350 | 01-28-2022
+ 13 | Gandi | 377 | 01-09-2022
+ 2 | Smirnoff | 500 | 02-10-2022
+ 6 | Poirot | 150 | 02-11-2022
+ 8 | Ericsson | 185 | 02-23-2022
+ 7 | Li | 175 | 03-08-2022
+ 9 | Muller | 250 | 03-11-2022
+ 12 | Plato | 350 | 03-19-2022
+ 3 | Ford | 2000 | 04-30-2022
+ 4 | Ivanov | 750 | 04-13-2022
+ 5 | Deev | 250 | 04-07-2022
+ 11 | Trump | 380 | 04-06-2022
+ 14 | Smith | 510 | 05-04-2022
+(14 rows)
+
+SELECT * FROM sales_jan2022;
+ salesman_id | salesman_name | sales_amount | sales_date
+-------------+---------------+--------------+------------
+ 1 | May | 1000 | 01-31-2022
+ 10 | Halder | 350 | 01-28-2022
+ 13 | Gandi | 377 | 01-09-2022
+(3 rows)
+
+SELECT * FROM sales_feb2022;
+ salesman_id | salesman_name | sales_amount | sales_date
+-------------+---------------+--------------+------------
+ 2 | Smirnoff | 500 | 02-10-2022
+ 6 | Poirot | 150 | 02-11-2022
+ 8 | Ericsson | 185 | 02-23-2022
+(3 rows)
+
+SELECT * FROM sales_mar2022;
+ salesman_id | salesman_name | sales_amount | sales_date
+-------------+---------------+--------------+------------
+ 7 | Li | 175 | 03-08-2022
+ 9 | Muller | 250 | 03-11-2022
+ 12 | Plato | 350 | 03-19-2022
+(3 rows)
+
+SELECT * FROM sales_apr2022;
+ salesman_id | salesman_name | sales_amount | sales_date
+-------------+---------------+--------------+------------
+ 3 | Ford | 2000 | 04-30-2022
+ 4 | Ivanov | 750 | 04-13-2022
+ 5 | Deev | 250 | 04-07-2022
+ 11 | Trump | 380 | 04-06-2022
+(4 rows)
+
+SELECT * FROM sales_others;
+ salesman_id | salesman_name | sales_amount | sales_date
+-------------+---------------+--------------+------------
+ 14 | Smith | 510 | 05-04-2022
+(1 row)
+
+DROP TABLE sales_range CASCADE;
+--
+-- Test for:
+-- * composite partition key;
+-- * GENERATED column;
+-- * column with DEFAULT value.
+--
+CREATE TABLE sales_date (salesman_name VARCHAR(30), sales_year INT, sales_month INT, sales_day INT,
+ sales_date VARCHAR(10) GENERATED ALWAYS AS
+ (LPAD(sales_year::text, 4, '0') || '.' || LPAD(sales_month::text, 2, '0') || '.' || LPAD(sales_day::text, 2, '0')) STORED,
+ sales_department VARCHAR(30) DEFAULT 'Sales department')
+ PARTITION BY RANGE (sales_year, sales_month, sales_day);
+CREATE TABLE sales_dec2022 PARTITION OF sales_date FOR VALUES FROM (2021, 12, 1) TO (2022, 1, 1);
+CREATE TABLE sales_jan_feb2022 PARTITION OF sales_date FOR VALUES FROM (2022, 1, 1) TO (2022, 3, 1);
+CREATE TABLE sales_other PARTITION OF sales_date FOR VALUES FROM (2022, 3, 1) TO (MAXVALUE, MAXVALUE, MAXVALUE);
+INSERT INTO sales_date(salesman_name, sales_year, sales_month, sales_day) VALUES ('Manager1', 2021, 12, 7);
+INSERT INTO sales_date(salesman_name, sales_year, sales_month, sales_day) VALUES ('Manager2', 2021, 12, 8);
+INSERT INTO sales_date(salesman_name, sales_year, sales_month, sales_day) VALUES ('Manager3', 2022, 1, 1);
+INSERT INTO sales_date(salesman_name, sales_year, sales_month, sales_day) VALUES ('Manager1', 2022, 2, 4);
+INSERT INTO sales_date(salesman_name, sales_year, sales_month, sales_day) VALUES ('Manager2', 2022, 1, 2);
+INSERT INTO sales_date(salesman_name, sales_year, sales_month, sales_day) VALUES ('Manager3', 2022, 2, 1);
+INSERT INTO sales_date(salesman_name, sales_year, sales_month, sales_day) VALUES ('Manager1', 2022, 3, 3);
+INSERT INTO sales_date(salesman_name, sales_year, sales_month, sales_day) VALUES ('Manager2', 2022, 3, 4);
+INSERT INTO sales_date(salesman_name, sales_year, sales_month, sales_day) VALUES ('Manager3', 2022, 5, 1);
+SELECT * FROM sales_date;
+ salesman_name | sales_year | sales_month | sales_day | sales_date | sales_department
+---------------+------------+-------------+-----------+------------+------------------
+ Manager1 | 2021 | 12 | 7 | 2021.12.07 | Sales department
+ Manager2 | 2021 | 12 | 8 | 2021.12.08 | Sales department
+ Manager3 | 2022 | 1 | 1 | 2022.01.01 | Sales department
+ Manager1 | 2022 | 2 | 4 | 2022.02.04 | Sales department
+ Manager2 | 2022 | 1 | 2 | 2022.01.02 | Sales department
+ Manager3 | 2022 | 2 | 1 | 2022.02.01 | Sales department
+ Manager1 | 2022 | 3 | 3 | 2022.03.03 | Sales department
+ Manager2 | 2022 | 3 | 4 | 2022.03.04 | Sales department
+ Manager3 | 2022 | 5 | 1 | 2022.05.01 | Sales department
+(9 rows)
+
+SELECT * FROM sales_dec2022;
+ salesman_name | sales_year | sales_month | sales_day | sales_date | sales_department
+---------------+------------+-------------+-----------+------------+------------------
+ Manager1 | 2021 | 12 | 7 | 2021.12.07 | Sales department
+ Manager2 | 2021 | 12 | 8 | 2021.12.08 | Sales department
+(2 rows)
+
+SELECT * FROM sales_jan_feb2022;
+ salesman_name | sales_year | sales_month | sales_day | sales_date | sales_department
+---------------+------------+-------------+-----------+------------+------------------
+ Manager3 | 2022 | 1 | 1 | 2022.01.01 | Sales department
+ Manager1 | 2022 | 2 | 4 | 2022.02.04 | Sales department
+ Manager2 | 2022 | 1 | 2 | 2022.01.02 | Sales department
+ Manager3 | 2022 | 2 | 1 | 2022.02.01 | Sales department
+(4 rows)
+
+SELECT * FROM sales_other;
+ salesman_name | sales_year | sales_month | sales_day | sales_date | sales_department
+---------------+------------+-------------+-----------+------------+------------------
+ Manager1 | 2022 | 3 | 3 | 2022.03.03 | Sales department
+ Manager2 | 2022 | 3 | 4 | 2022.03.04 | Sales department
+ Manager3 | 2022 | 5 | 1 | 2022.05.01 | Sales department
+(3 rows)
+
+ALTER TABLE sales_date SPLIT PARTITION sales_jan_feb2022 INTO
+ (PARTITION sales_jan2022 FOR VALUES FROM (2022, 1, 1) TO (2022, 2, 1),
+ PARTITION sales_feb2022 FOR VALUES FROM (2022, 2, 1) TO (2022, 3, 1));
+INSERT INTO sales_date(salesman_name, sales_year, sales_month, sales_day) VALUES ('Manager1', 2022, 1, 10);
+INSERT INTO sales_date(salesman_name, sales_year, sales_month, sales_day) VALUES ('Manager2', 2022, 2, 10);
+SELECT * FROM sales_date;
+ salesman_name | sales_year | sales_month | sales_day | sales_date | sales_department
+---------------+------------+-------------+-----------+------------+------------------
+ Manager1 | 2021 | 12 | 7 | 2021.12.07 | Sales department
+ Manager2 | 2021 | 12 | 8 | 2021.12.08 | Sales department
+ Manager3 | 2022 | 1 | 1 | 2022.01.01 | Sales department
+ Manager2 | 2022 | 1 | 2 | 2022.01.02 | Sales department
+ Manager1 | 2022 | 1 | 10 | 2022.01.10 | Sales department
+ Manager1 | 2022 | 2 | 4 | 2022.02.04 | Sales department
+ Manager3 | 2022 | 2 | 1 | 2022.02.01 | Sales department
+ Manager2 | 2022 | 2 | 10 | 2022.02.10 | Sales department
+ Manager1 | 2022 | 3 | 3 | 2022.03.03 | Sales department
+ Manager2 | 2022 | 3 | 4 | 2022.03.04 | Sales department
+ Manager3 | 2022 | 5 | 1 | 2022.05.01 | Sales department
+(11 rows)
+
+SELECT * FROM sales_dec2022;
+ salesman_name | sales_year | sales_month | sales_day | sales_date | sales_department
+---------------+------------+-------------+-----------+------------+------------------
+ Manager1 | 2021 | 12 | 7 | 2021.12.07 | Sales department
+ Manager2 | 2021 | 12 | 8 | 2021.12.08 | Sales department
+(2 rows)
+
+SELECT * FROM sales_jan2022;
+ salesman_name | sales_year | sales_month | sales_day | sales_date | sales_department
+---------------+------------+-------------+-----------+------------+------------------
+ Manager3 | 2022 | 1 | 1 | 2022.01.01 | Sales department
+ Manager2 | 2022 | 1 | 2 | 2022.01.02 | Sales department
+ Manager1 | 2022 | 1 | 10 | 2022.01.10 | Sales department
+(3 rows)
+
+SELECT * FROM sales_feb2022;
+ salesman_name | sales_year | sales_month | sales_day | sales_date | sales_department
+---------------+------------+-------------+-----------+------------+------------------
+ Manager1 | 2022 | 2 | 4 | 2022.02.04 | Sales department
+ Manager3 | 2022 | 2 | 1 | 2022.02.01 | Sales department
+ Manager2 | 2022 | 2 | 10 | 2022.02.10 | Sales department
+(3 rows)
+
+SELECT * FROM sales_other;
+ salesman_name | sales_year | sales_month | sales_day | sales_date | sales_department
+---------------+------------+-------------+-----------+------------+------------------
+ Manager1 | 2022 | 3 | 3 | 2022.03.03 | Sales department
+ Manager2 | 2022 | 3 | 4 | 2022.03.04 | Sales department
+ Manager3 | 2022 | 5 | 1 | 2022.05.01 | Sales department
+(3 rows)
+
+--ERROR: relation "sales_jan_feb2022" does not exist
+SELECT * FROM sales_jan_feb2022;
+ERROR: relation "sales_jan_feb2022" does not exist
+LINE 1: SELECT * FROM sales_jan_feb2022;
+ ^
+DROP TABLE sales_date CASCADE;
+--
+-- Test: split DEFAULT partition; using a index on partition key; check index after split
+--
+CREATE TABLE sales_range (salesman_id INT, salesman_name VARCHAR(30), sales_amount INT, sales_date DATE) PARTITION BY RANGE (sales_date);
+CREATE TABLE sales_jan2022 PARTITION OF sales_range FOR VALUES FROM ('2022-01-01') TO ('2022-02-01');
+CREATE TABLE sales_others PARTITION OF sales_range DEFAULT;
+CREATE INDEX sales_range_sales_date_idx ON sales_range USING btree (sales_date);
+INSERT INTO sales_range VALUES (1, 'May', 1000, '2022-01-31');
+INSERT INTO sales_range VALUES (2, 'Smirnoff', 500, '2022-02-10');
+INSERT INTO sales_range VALUES (3, 'Ford', 2000, '2022-04-30');
+INSERT INTO sales_range VALUES (4, 'Ivanov', 750, '2022-04-13');
+INSERT INTO sales_range VALUES (5, 'Deev', 250, '2022-04-07');
+INSERT INTO sales_range VALUES (6, 'Poirot', 150, '2022-02-11');
+INSERT INTO sales_range VALUES (7, 'Li', 175, '2022-03-08');
+INSERT INTO sales_range VALUES (8, 'Ericsson', 185, '2022-02-23');
+INSERT INTO sales_range VALUES (9, 'Muller', 250, '2022-03-11');
+INSERT INTO sales_range VALUES (10, 'Halder', 350, '2022-01-28');
+INSERT INTO sales_range VALUES (11, 'Trump', 380, '2022-04-06');
+INSERT INTO sales_range VALUES (12, 'Plato', 350, '2022-03-19');
+INSERT INTO sales_range VALUES (13, 'Gandi', 377, '2022-01-09');
+INSERT INTO sales_range VALUES (14, 'Smith', 510, '2022-05-04');
+SELECT * FROM sales_others;
+ salesman_id | salesman_name | sales_amount | sales_date
+-------------+---------------+--------------+------------
+ 2 | Smirnoff | 500 | 02-10-2022
+ 3 | Ford | 2000 | 04-30-2022
+ 4 | Ivanov | 750 | 04-13-2022
+ 5 | Deev | 250 | 04-07-2022
+ 6 | Poirot | 150 | 02-11-2022
+ 7 | Li | 175 | 03-08-2022
+ 8 | Ericsson | 185 | 02-23-2022
+ 9 | Muller | 250 | 03-11-2022
+ 11 | Trump | 380 | 04-06-2022
+ 12 | Plato | 350 | 03-19-2022
+ 14 | Smith | 510 | 05-04-2022
+(11 rows)
+
+SELECT * FROM pg_indexes WHERE tablename = 'sales_others' and schemaname = 'partition_split_schema';
+ schemaname | tablename | indexname | tablespace | indexdef
+------------------------+--------------+-----------------------------+------------+----------------------------------------------------------------------------------------------------------
+ partition_split_schema | sales_others | sales_others_sales_date_idx | | CREATE INDEX sales_others_sales_date_idx ON partition_split_schema.sales_others USING btree (sales_date)
+(1 row)
+
+ALTER TABLE sales_range SPLIT PARTITION sales_others INTO
+ (PARTITION sales_feb2022 FOR VALUES FROM ('2022-02-01') TO ('2022-03-01'),
+ PARTITION sales_mar2022 FOR VALUES FROM ('2022-03-01') TO ('2022-04-01'),
+ PARTITION sales_apr2022 FOR VALUES FROM ('2022-04-01') TO ('2022-05-01'),
+ PARTITION sales_others DEFAULT);
+-- Use indexscan for test indexes
+SET enable_indexscan = ON;
+SET enable_seqscan = OFF;
+SELECT * FROM sales_feb2022 where sales_date > '2022-01-01';
+ salesman_id | salesman_name | sales_amount | sales_date
+-------------+---------------+--------------+------------
+ 2 | Smirnoff | 500 | 02-10-2022
+ 6 | Poirot | 150 | 02-11-2022
+ 8 | Ericsson | 185 | 02-23-2022
+(3 rows)
+
+SELECT * FROM sales_mar2022 where sales_date > '2022-01-01';
+ salesman_id | salesman_name | sales_amount | sales_date
+-------------+---------------+--------------+------------
+ 7 | Li | 175 | 03-08-2022
+ 9 | Muller | 250 | 03-11-2022
+ 12 | Plato | 350 | 03-19-2022
+(3 rows)
+
+SELECT * FROM sales_apr2022 where sales_date > '2022-01-01';
+ salesman_id | salesman_name | sales_amount | sales_date
+-------------+---------------+--------------+------------
+ 11 | Trump | 380 | 04-06-2022
+ 5 | Deev | 250 | 04-07-2022
+ 4 | Ivanov | 750 | 04-13-2022
+ 3 | Ford | 2000 | 04-30-2022
+(4 rows)
+
+SELECT * FROM sales_others where sales_date > '2022-01-01';
+ salesman_id | salesman_name | sales_amount | sales_date
+-------------+---------------+--------------+------------
+ 14 | Smith | 510 | 05-04-2022
+(1 row)
+
+SET enable_indexscan = ON;
+SET enable_seqscan = ON;
+SELECT * FROM pg_indexes WHERE tablename = 'sales_feb2022' and schemaname = 'partition_split_schema';
+ schemaname | tablename | indexname | tablespace | indexdef
+------------------------+---------------+------------------------------+------------+------------------------------------------------------------------------------------------------------------
+ partition_split_schema | sales_feb2022 | sales_feb2022_sales_date_idx | | CREATE INDEX sales_feb2022_sales_date_idx ON partition_split_schema.sales_feb2022 USING btree (sales_date)
+(1 row)
+
+SELECT * FROM pg_indexes WHERE tablename = 'sales_mar2022' and schemaname = 'partition_split_schema';
+ schemaname | tablename | indexname | tablespace | indexdef
+------------------------+---------------+------------------------------+------------+------------------------------------------------------------------------------------------------------------
+ partition_split_schema | sales_mar2022 | sales_mar2022_sales_date_idx | | CREATE INDEX sales_mar2022_sales_date_idx ON partition_split_schema.sales_mar2022 USING btree (sales_date)
+(1 row)
+
+SELECT * FROM pg_indexes WHERE tablename = 'sales_apr2022' and schemaname = 'partition_split_schema';
+ schemaname | tablename | indexname | tablespace | indexdef
+------------------------+---------------+------------------------------+------------+------------------------------------------------------------------------------------------------------------
+ partition_split_schema | sales_apr2022 | sales_apr2022_sales_date_idx | | CREATE INDEX sales_apr2022_sales_date_idx ON partition_split_schema.sales_apr2022 USING btree (sales_date)
+(1 row)
+
+SELECT * FROM pg_indexes WHERE tablename = 'sales_others' and schemaname = 'partition_split_schema';
+ schemaname | tablename | indexname | tablespace | indexdef
+------------------------+--------------+------------------------------+------------+-----------------------------------------------------------------------------------------------------------
+ partition_split_schema | sales_others | sales_others_sales_date_idx1 | | CREATE INDEX sales_others_sales_date_idx1 ON partition_split_schema.sales_others USING btree (sales_date)
+(1 row)
+
+DROP TABLE sales_range CASCADE;
+--
+-- Test: some cases for split DEFAULT partition (different bounds)
+--
+CREATE TABLE sales_range (salesman_id INT, salesman_name VARCHAR(30), sales_amount INT, sales_date INT) PARTITION BY RANGE (sales_date);
+CREATE TABLE sales_others PARTITION OF sales_range DEFAULT;
+-- sales_error intersects with sales_dec2022 (lower bound)
+-- ERROR: lower bound of partition "sales_error" conflicts with upper bound of previous partition "sales_dec2022"
+ALTER TABLE sales_range SPLIT PARTITION sales_others INTO
+ (PARTITION sales_dec2022 FOR VALUES FROM (20211201) TO (20220101),
+ PARTITION sales_error FOR VALUES FROM (20211230) TO (20220201),
+ PARTITION sales_feb2022 FOR VALUES FROM (20220201) TO (20220301),
+ PARTITION sales_others DEFAULT);
+ERROR: lower bound of partition "sales_error" conflicts with upper bound of previous partition "sales_dec2022"
+LINE 3: PARTITION sales_error FOR VALUES FROM (20211230) TO (2022...
+ ^
+-- sales_error intersects with sales_feb2022 (upper bound)
+-- ERROR: lower bound of partition "sales_feb2022" conflicts with upper bound of previous partition "sales_error"
+ALTER TABLE sales_range SPLIT PARTITION sales_others INTO
+ (PARTITION sales_dec2022 FOR VALUES FROM (20211201) TO (20220101),
+ PARTITION sales_error FOR VALUES FROM (20220101) TO (20220202),
+ PARTITION sales_feb2022 FOR VALUES FROM (20220201) TO (20220301),
+ PARTITION sales_others DEFAULT);
+ERROR: lower bound of partition "sales_feb2022" conflicts with upper bound of previous partition "sales_error"
+LINE 4: PARTITION sales_feb2022 FOR VALUES FROM (20220201) TO (20...
+ ^
+-- sales_error intersects with sales_dec2022 (inside bound)
+-- ERROR: lower bound of partition "sales_error" conflicts with upper bound of previous partition "sales_dec2022"
+ALTER TABLE sales_range SPLIT PARTITION sales_others INTO
+ (PARTITION sales_dec2022 FOR VALUES FROM (20211201) TO (20220101),
+ PARTITION sales_error FOR VALUES FROM (20211210) TO (20211220),
+ PARTITION sales_feb2022 FOR VALUES FROM (20220201) TO (20220301),
+ PARTITION sales_others DEFAULT);
+ERROR: lower bound of partition "sales_error" conflicts with upper bound of previous partition "sales_dec2022"
+LINE 3: PARTITION sales_error FOR VALUES FROM (20211210) TO (2021...
+ ^
+-- sales_error intersects with sales_dec2022 (exact the same bounds)
+-- ERROR: lower bound of partition "sales_error" conflicts with upper bound of previous partition "sales_dec2022"
+ALTER TABLE sales_range SPLIT PARTITION sales_others INTO
+ (PARTITION sales_dec2022 FOR VALUES FROM (20211201) TO (20220101),
+ PARTITION sales_error FOR VALUES FROM (20211201) TO (20220101),
+ PARTITION sales_feb2022 FOR VALUES FROM (20220201) TO (20220301),
+ PARTITION sales_others DEFAULT);
+ERROR: lower bound of partition "sales_error" conflicts with upper bound of previous partition "sales_dec2022"
+LINE 3: PARTITION sales_error FOR VALUES FROM (20211201) TO (2022...
+ ^
+-- ERROR: any partition in the list should be DEFAULT because split partition is DEFAULT
+ALTER TABLE sales_range SPLIT PARTITION sales_others INTO
+ (PARTITION sales_dec2022 FOR VALUES FROM (20211201) TO (20220101),
+ PARTITION sales_jan2022 FOR VALUES FROM (20220101) TO (20220201),
+ PARTITION sales_feb2022 FOR VALUES FROM (20220201) TO (20220301));
+ERROR: any partition in the list should be DEFAULT because split partition is DEFAULT
+LINE 2: (PARTITION sales_dec2022 FOR VALUES FROM (20211201) TO (20...
+ ^
+-- no error: bounds of sales_noerror between sales_dec2022 and sales_feb2022
+ALTER TABLE sales_range SPLIT PARTITION sales_others INTO
+ (PARTITION sales_dec2022 FOR VALUES FROM (20211201) TO (20220101),
+ PARTITION sales_noerror FOR VALUES FROM (20220110) TO (20220120),
+ PARTITION sales_feb2022 FOR VALUES FROM (20220201) TO (20220301),
+ PARTITION sales_others DEFAULT);
+DROP TABLE sales_range;
+CREATE TABLE sales_range (salesman_id INT, salesman_name VARCHAR(30), sales_amount INT, sales_date INT) PARTITION BY RANGE (sales_date);
+CREATE TABLE sales_others PARTITION OF sales_range DEFAULT;
+-- no error: bounds of sales_noerror equals to lower and upper bounds of sales_dec2022 and sales_feb2022
+ALTER TABLE sales_range SPLIT PARTITION sales_others INTO
+ (PARTITION sales_dec2022 FOR VALUES FROM (20211201) TO (20220101),
+ PARTITION sales_noerror FOR VALUES FROM (20210101) TO (20210201),
+ PARTITION sales_feb2022 FOR VALUES FROM (20220201) TO (20220301),
+ PARTITION sales_others DEFAULT);
+DROP TABLE sales_range;
+--
+-- Test: split partition with CHECK and FOREIGN KEY CONSTRAINTs on partitioned table
+--
+CREATE TABLE salesmans(salesman_id INT PRIMARY KEY, salesman_name VARCHAR(30));
+INSERT INTO salesmans VALUES (1, 'Poirot');
+CREATE TABLE sales_range (
+salesman_id INT REFERENCES salesmans(salesman_id),
+sales_amount INT CHECK (sales_amount > 1),
+sales_date DATE) PARTITION BY RANGE (sales_date);
+CREATE TABLE sales_jan2022 PARTITION OF sales_range FOR VALUES FROM ('2022-01-01') TO ('2022-02-01');
+CREATE TABLE sales_feb_mar_apr2022 PARTITION OF sales_range FOR VALUES FROM ('2022-02-01') TO ('2022-05-01');
+CREATE TABLE sales_others PARTITION OF sales_range DEFAULT;
+SELECT pg_get_constraintdef(oid), conname, conkey FROM pg_constraint WHERE conrelid = 'sales_feb_mar_apr2022'::regclass::oid;
+ pg_get_constraintdef | conname | conkey
+-------------------------------------------------------------+--------------------------------+--------
+ CHECK ((sales_amount > 1)) | sales_range_sales_amount_check | {2}
+ FOREIGN KEY (salesman_id) REFERENCES salesmans(salesman_id) | sales_range_salesman_id_fkey | {1}
+(2 rows)
+
+ALTER TABLE sales_range SPLIT PARTITION sales_feb_mar_apr2022 INTO
+ (PARTITION sales_feb2022 FOR VALUES FROM ('2022-02-01') TO ('2022-03-01'),
+ PARTITION sales_mar2022 FOR VALUES FROM ('2022-03-01') TO ('2022-04-01'),
+ PARTITION sales_apr2022 FOR VALUES FROM ('2022-04-01') TO ('2022-05-01'));
+-- We should see the same CONSTRAINTs as on sales_feb_mar_apr2022 partition
+SELECT pg_get_constraintdef(oid), conname, conkey FROM pg_constraint WHERE conrelid = 'sales_feb2022'::regclass::oid;
+ pg_get_constraintdef | conname | conkey
+-------------------------------------------------------------+--------------------------------+--------
+ CHECK ((sales_amount > 1)) | sales_range_sales_amount_check | {2}
+ FOREIGN KEY (salesman_id) REFERENCES salesmans(salesman_id) | sales_range_salesman_id_fkey | {1}
+(2 rows)
+
+SELECT pg_get_constraintdef(oid), conname, conkey FROM pg_constraint WHERE conrelid = 'sales_mar2022'::regclass::oid;
+ pg_get_constraintdef | conname | conkey
+-------------------------------------------------------------+--------------------------------+--------
+ CHECK ((sales_amount > 1)) | sales_range_sales_amount_check | {2}
+ FOREIGN KEY (salesman_id) REFERENCES salesmans(salesman_id) | sales_range_salesman_id_fkey | {1}
+(2 rows)
+
+SELECT pg_get_constraintdef(oid), conname, conkey FROM pg_constraint WHERE conrelid = 'sales_apr2022'::regclass::oid;
+ pg_get_constraintdef | conname | conkey
+-------------------------------------------------------------+--------------------------------+--------
+ CHECK ((sales_amount > 1)) | sales_range_sales_amount_check | {2}
+ FOREIGN KEY (salesman_id) REFERENCES salesmans(salesman_id) | sales_range_salesman_id_fkey | {1}
+(2 rows)
+
+-- ERROR: new row for relation "sales_mar2022" violates check constraint "sales_range_salesman_id_check"
+INSERT INTO sales_range VALUES (1, 0, '2022-03-11');
+ERROR: new row for relation "sales_mar2022" violates check constraint "sales_range_sales_amount_check"
+DETAIL: Failing row contains (1, 0, 03-11-2022).
+-- ERROR: insert or update on table "sales_mar2022" violates foreign key constraint "sales_range_salesman_id_fkey"
+INSERT INTO sales_range VALUES (-1, 10, '2022-03-11');
+ERROR: insert or update on table "sales_mar2022" violates foreign key constraint "sales_range_salesman_id_fkey"
+DETAIL: Key (salesman_id)=(-1) is not present in table "salesmans".
+-- ok
+INSERT INTO sales_range VALUES (1, 10, '2022-03-11');
+DROP TABLE sales_range CASCADE;
+DROP TABLE salesmans CASCADE;
+--
+-- Test: split partition on partitioned table in case exists FOREIGN KEY reference from another table
+--
+CREATE TABLE salesmans(salesman_id INT PRIMARY KEY, salesman_name VARCHAR(30)) PARTITION BY RANGE (salesman_id);
+CREATE TABLE sales (salesman_id INT REFERENCES salesmans(salesman_id), sales_amount INT, sales_date DATE);
+CREATE TABLE salesmans01_10 PARTITION OF salesmans FOR VALUES FROM (1) TO (10);
+CREATE TABLE salesmans10_40 PARTITION OF salesmans FOR VALUES FROM (10) TO (40);
+INSERT INTO salesmans VALUES (1, 'Poirot');
+INSERT INTO salesmans VALUES (10, 'May');
+INSERT INTO salesmans VALUES (19, 'Ivanov');
+INSERT INTO salesmans VALUES (20, 'Smirnoff');
+INSERT INTO salesmans VALUES (30, 'Ford');
+INSERT INTO sales VALUES (1, 100, '2022-03-01');
+INSERT INTO sales VALUES (1, 110, '2022-03-02');
+INSERT INTO sales VALUES (10, 150, '2022-03-01');
+INSERT INTO sales VALUES (10, 90, '2022-03-03');
+INSERT INTO sales VALUES (19, 200, '2022-03-04');
+INSERT INTO sales VALUES (20, 50, '2022-03-12');
+INSERT INTO sales VALUES (20, 170, '2022-03-02');
+INSERT INTO sales VALUES (30, 30, '2022-03-04');
+SELECT * FROM salesmans01_10;
+ salesman_id | salesman_name
+-------------+---------------
+ 1 | Poirot
+(1 row)
+
+SELECT * FROM salesmans10_40;
+ salesman_id | salesman_name
+-------------+---------------
+ 10 | May
+ 19 | Ivanov
+ 20 | Smirnoff
+ 30 | Ford
+(4 rows)
+
+ALTER TABLE salesmans SPLIT PARTITION salesmans10_40 INTO
+ (PARTITION salesmans10_20 FOR VALUES FROM (10) TO (20),
+ PARTITION salesmans20_30 FOR VALUES FROM (20) TO (30),
+ PARTITION salesmans30_40 FOR VALUES FROM (30) TO (40));
+SELECT * FROM salesmans01_10;
+ salesman_id | salesman_name
+-------------+---------------
+ 1 | Poirot
+(1 row)
+
+SELECT * FROM salesmans10_20;
+ salesman_id | salesman_name
+-------------+---------------
+ 10 | May
+ 19 | Ivanov
+(2 rows)
+
+SELECT * FROM salesmans20_30;
+ salesman_id | salesman_name
+-------------+---------------
+ 20 | Smirnoff
+(1 row)
+
+SELECT * FROM salesmans30_40;
+ salesman_id | salesman_name
+-------------+---------------
+ 30 | Ford
+(1 row)
+
+-- ERROR: insert or update on table "sales" violates foreign key constraint "sales_salesman_id_fkey"
+INSERT INTO sales VALUES (40, 50, '2022-03-04');
+ERROR: insert or update on table "sales" violates foreign key constraint "sales_salesman_id_fkey"
+DETAIL: Key (salesman_id)=(40) is not present in table "salesmans".
+-- ok
+INSERT INTO sales VALUES (30, 50, '2022-03-04');
+DROP TABLE sales CASCADE;
+DROP TABLE salesmans CASCADE;
+--
+-- Test: split partition of partitioned table with triggers
+--
+CREATE TABLE salesmans(salesman_id INT PRIMARY KEY, salesman_name VARCHAR(30)) PARTITION BY RANGE (salesman_id);
+CREATE TABLE salesmans01_10 PARTITION OF salesmans FOR VALUES FROM (1) TO (10);
+CREATE TABLE salesmans10_40 PARTITION OF salesmans FOR VALUES FROM (10) TO (40);
+INSERT INTO salesmans VALUES (1, 'Poirot');
+CREATE OR REPLACE FUNCTION after_insert_row_trigger() RETURNS trigger LANGUAGE 'plpgsql' AS $BODY$
+BEGIN
+ RAISE NOTICE 'trigger(%) called: action = %, when = %, level = %', TG_ARGV[0], TG_OP, TG_WHEN, TG_LEVEL;
+ RETURN NULL;
+END;
+$BODY$;
+CREATE TRIGGER salesmans_after_insert_statement_trigger
+ AFTER INSERT
+ ON salesmans
+ FOR EACH STATEMENT
+ EXECUTE PROCEDURE after_insert_row_trigger('salesmans');
+CREATE TRIGGER salesmans_after_insert_row_trigger
+ AFTER INSERT
+ ON salesmans
+ FOR EACH ROW
+ EXECUTE PROCEDURE after_insert_row_trigger('salesmans');
+-- 2 triggers should fire here (row + statement):
+INSERT INTO salesmans VALUES (10, 'May');
+NOTICE: trigger(salesmans) called: action = INSERT, when = AFTER, level = ROW
+NOTICE: trigger(salesmans) called: action = INSERT, when = AFTER, level = STATEMENT
+-- 1 trigger should fire here (row):
+INSERT INTO salesmans10_40 VALUES (19, 'Ivanov');
+NOTICE: trigger(salesmans) called: action = INSERT, when = AFTER, level = ROW
+ALTER TABLE salesmans SPLIT PARTITION salesmans10_40 INTO
+ (PARTITION salesmans10_20 FOR VALUES FROM (10) TO (20),
+ PARTITION salesmans20_30 FOR VALUES FROM (20) TO (30),
+ PARTITION salesmans30_40 FOR VALUES FROM (30) TO (40));
+-- 2 triggers should fire here (row + statement):
+INSERT INTO salesmans VALUES (20, 'Smirnoff');
+NOTICE: trigger(salesmans) called: action = INSERT, when = AFTER, level = ROW
+NOTICE: trigger(salesmans) called: action = INSERT, when = AFTER, level = STATEMENT
+-- 1 trigger should fire here (row):
+INSERT INTO salesmans30_40 VALUES (30, 'Ford');
+NOTICE: trigger(salesmans) called: action = INSERT, when = AFTER, level = ROW
+SELECT * FROM salesmans01_10;
+ salesman_id | salesman_name
+-------------+---------------
+ 1 | Poirot
+(1 row)
+
+SELECT * FROM salesmans10_20;
+ salesman_id | salesman_name
+-------------+---------------
+ 10 | May
+ 19 | Ivanov
+(2 rows)
+
+SELECT * FROM salesmans20_30;
+ salesman_id | salesman_name
+-------------+---------------
+ 20 | Smirnoff
+(1 row)
+
+SELECT * FROM salesmans30_40;
+ salesman_id | salesman_name
+-------------+---------------
+ 30 | Ford
+(1 row)
+
+DROP TABLE salesmans CASCADE;
+DROP FUNCTION after_insert_row_trigger();
+--
+-- Test: split partition witch identity column
+-- If split partition column is identity-column, columns of new partitions are identity-columns too.
+--
+CREATE TABLE salesmans(salesman_id INT GENERATED ALWAYS AS IDENTITY PRIMARY KEY, salesman_name VARCHAR(30)) PARTITION BY RANGE (salesman_id);
+CREATE TABLE salesmans1_2 PARTITION OF salesmans FOR VALUES FROM (1) TO (2);
+-- Create new partition with identity-column:
+CREATE TABLE salesmans2_5(salesman_id INT NOT NULL, salesman_name VARCHAR(30));
+ALTER TABLE salesmans ATTACH PARTITION salesmans2_5 FOR VALUES FROM (2) TO (5);
+INSERT INTO salesmans (salesman_name) VALUES ('Poirot');
+INSERT INTO salesmans (salesman_name) VALUES ('Ivanov');
+SELECT attname, attidentity, attgenerated FROM pg_attribute WHERE attnum > 0 AND attrelid = 'salesmans'::regclass::oid;
+ attname | attidentity | attgenerated
+---------------+-------------+--------------
+ salesman_id | a |
+ salesman_name | |
+(2 rows)
+
+SELECT attname, attidentity, attgenerated FROM pg_attribute WHERE attnum > 0 AND attrelid = 'salesmans1_2'::regclass::oid;
+ attname | attidentity | attgenerated
+---------------+-------------+--------------
+ salesman_id | a |
+ salesman_name | |
+(2 rows)
+
+-- Split partition has identity-column:
+SELECT attname, attidentity, attgenerated FROM pg_attribute WHERE attnum > 0 AND attrelid = 'salesmans2_5'::regclass::oid;
+ attname | attidentity | attgenerated
+---------------+-------------+--------------
+ salesman_id | a |
+ salesman_name | |
+(2 rows)
+
+ALTER TABLE salesmans SPLIT PARTITION salesmans2_5 INTO
+ (PARTITION salesmans2_3 FOR VALUES FROM (2) TO (3),
+ PARTITION salesmans3_4 FOR VALUES FROM (3) TO (4),
+ PARTITION salesmans4_5 FOR VALUES FROM (4) TO (5));
+INSERT INTO salesmans (salesman_name) VALUES ('May');
+INSERT INTO salesmans (salesman_name) VALUES ('Ford');
+SELECT * FROM salesmans1_2;
+ salesman_id | salesman_name
+-------------+---------------
+ 1 | Poirot
+(1 row)
+
+SELECT * FROM salesmans2_3;
+ salesman_id | salesman_name
+-------------+---------------
+ 2 | Ivanov
+(1 row)
+
+SELECT * FROM salesmans3_4;
+ salesman_id | salesman_name
+-------------+---------------
+ 3 | May
+(1 row)
+
+SELECT * FROM salesmans4_5;
+ salesman_id | salesman_name
+-------------+---------------
+ 4 | Ford
+(1 row)
+
+SELECT attname, attidentity, attgenerated FROM pg_attribute WHERE attnum > 0 AND attrelid = 'salesmans'::regclass::oid;
+ attname | attidentity | attgenerated
+---------------+-------------+--------------
+ salesman_id | a |
+ salesman_name | |
+(2 rows)
+
+SELECT attname, attidentity, attgenerated FROM pg_attribute WHERE attnum > 0 AND attrelid = 'salesmans1_2'::regclass::oid;
+ attname | attidentity | attgenerated
+---------------+-------------+--------------
+ salesman_id | a |
+ salesman_name | |
+(2 rows)
+
+-- New partitions have identity-columns:
+SELECT attname, attidentity, attgenerated FROM pg_attribute WHERE attnum > 0 AND attrelid = 'salesmans2_3'::regclass::oid;
+ attname | attidentity | attgenerated
+---------------+-------------+--------------
+ salesman_id | a |
+ salesman_name | |
+(2 rows)
+
+SELECT attname, attidentity, attgenerated FROM pg_attribute WHERE attnum > 0 AND attrelid = 'salesmans3_4'::regclass::oid;
+ attname | attidentity | attgenerated
+---------------+-------------+--------------
+ salesman_id | a |
+ salesman_name | |
+(2 rows)
+
+SELECT attname, attidentity, attgenerated FROM pg_attribute WHERE attnum > 0 AND attrelid = 'salesmans4_5'::regclass::oid;
+ attname | attidentity | attgenerated
+---------------+-------------+--------------
+ salesman_id | a |
+ salesman_name | |
+(2 rows)
+
+DROP TABLE salesmans CASCADE;
+--
+-- Test: split partition with deleted columns
+--
+CREATE TABLE salesmans(salesman_id INT PRIMARY KEY, salesman_name VARCHAR(30)) PARTITION BY RANGE (salesman_id);
+CREATE TABLE salesmans01_10 PARTITION OF salesmans FOR VALUES FROM (1) TO (10);
+-- Create new partition with some deleted columns:
+CREATE TABLE salesmans10_40(d1 VARCHAR(30), salesman_id INT PRIMARY KEY, d2 INT, d3 DATE, salesman_name VARCHAR(30));
+INSERT INTO salesmans10_40 VALUES ('dummy value 1', 19, 100, now(), 'Ivanov');
+INSERT INTO salesmans10_40 VALUES ('dummy value 2', 20, 101, now(), 'Smirnoff');
+ALTER TABLE salesmans10_40 DROP COLUMN d1;
+ALTER TABLE salesmans10_40 DROP COLUMN d2;
+ALTER TABLE salesmans10_40 DROP COLUMN d3;
+ALTER TABLE salesmans ATTACH PARTITION salesmans10_40 FOR VALUES FROM (10) TO (40);
+INSERT INTO salesmans VALUES (1, 'Poirot');
+INSERT INTO salesmans VALUES (10, 'May');
+INSERT INTO salesmans VALUES (30, 'Ford');
+ALTER TABLE salesmans SPLIT PARTITION salesmans10_40 INTO
+ (PARTITION salesmans10_20 FOR VALUES FROM (10) TO (20),
+ PARTITION salesmans20_30 FOR VALUES FROM (20) TO (30),
+ PARTITION salesmans30_40 FOR VALUES FROM (30) TO (40));
+select * from salesmans01_10;
+ salesman_id | salesman_name
+-------------+---------------
+ 1 | Poirot
+(1 row)
+
+select * from salesmans10_20;
+ salesman_id | salesman_name
+-------------+---------------
+ 19 | Ivanov
+ 10 | May
+(2 rows)
+
+select * from salesmans20_30;
+ salesman_id | salesman_name
+-------------+---------------
+ 20 | Smirnoff
+(1 row)
+
+select * from salesmans30_40;
+ salesman_id | salesman_name
+-------------+---------------
+ 30 | Ford
+(1 row)
+
+DROP TABLE salesmans CASCADE;
+--
+-- Test: split sub-partition
+--
+CREATE TABLE sales_range (salesman_id INT, salesman_name VARCHAR(30), sales_amount INT, sales_date DATE) PARTITION BY RANGE (sales_date);
+CREATE TABLE sales_jan2022 PARTITION OF sales_range FOR VALUES FROM ('2022-01-01') TO ('2022-02-01');
+CREATE TABLE sales_feb2022 PARTITION OF sales_range FOR VALUES FROM ('2022-02-01') TO ('2022-03-01');
+CREATE TABLE sales_mar2022 PARTITION OF sales_range FOR VALUES FROM ('2022-03-01') TO ('2022-04-01');
+CREATE TABLE sales_apr2022 (salesman_id INT, salesman_name VARCHAR(30), sales_amount INT, sales_date DATE) PARTITION BY RANGE (sales_date);
+CREATE TABLE sales_apr_all PARTITION OF sales_apr2022 FOR VALUES FROM ('2022-04-01') TO ('2022-05-01');
+ALTER TABLE sales_range ATTACH PARTITION sales_apr2022 FOR VALUES FROM ('2022-04-01') TO ('2022-05-01');
+CREATE TABLE sales_others PARTITION OF sales_range DEFAULT;
+CREATE INDEX sales_range_sales_date_idx ON sales_range USING btree (sales_date);
+INSERT INTO sales_range VALUES (1, 'May', 1000, '2022-01-31');
+INSERT INTO sales_range VALUES (2, 'Smirnoff', 500, '2022-02-10');
+INSERT INTO sales_range VALUES (3, 'Ford', 2000, '2022-04-30');
+INSERT INTO sales_range VALUES (4, 'Ivanov', 750, '2022-04-13');
+INSERT INTO sales_range VALUES (5, 'Deev', 250, '2022-04-07');
+INSERT INTO sales_range VALUES (6, 'Poirot', 150, '2022-02-11');
+INSERT INTO sales_range VALUES (7, 'Li', 175, '2022-03-08');
+INSERT INTO sales_range VALUES (8, 'Ericsson', 185, '2022-02-23');
+INSERT INTO sales_range VALUES (9, 'Muller', 250, '2022-03-11');
+INSERT INTO sales_range VALUES (10, 'Halder', 350, '2022-01-28');
+INSERT INTO sales_range VALUES (11, 'Trump', 380, '2022-04-06');
+INSERT INTO sales_range VALUES (12, 'Plato', 350, '2022-03-19');
+INSERT INTO sales_range VALUES (13, 'Gandi', 377, '2022-01-09');
+INSERT INTO sales_range VALUES (14, 'Smith', 510, '2022-05-04');
+SELECT * FROM sales_range;
+ salesman_id | salesman_name | sales_amount | sales_date
+-------------+---------------+--------------+------------
+ 1 | May | 1000 | 01-31-2022
+ 10 | Halder | 350 | 01-28-2022
+ 13 | Gandi | 377 | 01-09-2022
+ 2 | Smirnoff | 500 | 02-10-2022
+ 6 | Poirot | 150 | 02-11-2022
+ 8 | Ericsson | 185 | 02-23-2022
+ 7 | Li | 175 | 03-08-2022
+ 9 | Muller | 250 | 03-11-2022
+ 12 | Plato | 350 | 03-19-2022
+ 3 | Ford | 2000 | 04-30-2022
+ 4 | Ivanov | 750 | 04-13-2022
+ 5 | Deev | 250 | 04-07-2022
+ 11 | Trump | 380 | 04-06-2022
+ 14 | Smith | 510 | 05-04-2022
+(14 rows)
+
+SELECT * FROM sales_apr2022;
+ salesman_id | salesman_name | sales_amount | sales_date
+-------------+---------------+--------------+------------
+ 3 | Ford | 2000 | 04-30-2022
+ 4 | Ivanov | 750 | 04-13-2022
+ 5 | Deev | 250 | 04-07-2022
+ 11 | Trump | 380 | 04-06-2022
+(4 rows)
+
+ALTER TABLE sales_apr2022 SPLIT PARTITION sales_apr_all INTO
+ (PARTITION sales_apr2022_01_10 FOR VALUES FROM ('2022-04-01') TO ('2022-04-10'),
+ PARTITION sales_apr2022_10_20 FOR VALUES FROM ('2022-04-10') TO ('2022-04-20'),
+ PARTITION sales_apr2022_20_30 FOR VALUES FROM ('2022-04-20') TO ('2022-05-01'));
+SELECT * FROM sales_range;
+ salesman_id | salesman_name | sales_amount | sales_date
+-------------+---------------+--------------+------------
+ 1 | May | 1000 | 01-31-2022
+ 10 | Halder | 350 | 01-28-2022
+ 13 | Gandi | 377 | 01-09-2022
+ 2 | Smirnoff | 500 | 02-10-2022
+ 6 | Poirot | 150 | 02-11-2022
+ 8 | Ericsson | 185 | 02-23-2022
+ 7 | Li | 175 | 03-08-2022
+ 9 | Muller | 250 | 03-11-2022
+ 12 | Plato | 350 | 03-19-2022
+ 5 | Deev | 250 | 04-07-2022
+ 11 | Trump | 380 | 04-06-2022
+ 4 | Ivanov | 750 | 04-13-2022
+ 3 | Ford | 2000 | 04-30-2022
+ 14 | Smith | 510 | 05-04-2022
+(14 rows)
+
+SELECT * FROM sales_apr2022;
+ salesman_id | salesman_name | sales_amount | sales_date
+-------------+---------------+--------------+------------
+ 5 | Deev | 250 | 04-07-2022
+ 11 | Trump | 380 | 04-06-2022
+ 4 | Ivanov | 750 | 04-13-2022
+ 3 | Ford | 2000 | 04-30-2022
+(4 rows)
+
+SELECT * FROM sales_apr2022_01_10;
+ salesman_id | salesman_name | sales_amount | sales_date
+-------------+---------------+--------------+------------
+ 5 | Deev | 250 | 04-07-2022
+ 11 | Trump | 380 | 04-06-2022
+(2 rows)
+
+SELECT * FROM sales_apr2022_10_20;
+ salesman_id | salesman_name | sales_amount | sales_date
+-------------+---------------+--------------+------------
+ 4 | Ivanov | 750 | 04-13-2022
+(1 row)
+
+SELECT * FROM sales_apr2022_20_30;
+ salesman_id | salesman_name | sales_amount | sales_date
+-------------+---------------+--------------+------------
+ 3 | Ford | 2000 | 04-30-2022
+(1 row)
+
+DROP TABLE sales_range;
+--
+-- BY LIST partitioning
+--
+--
+-- Test: specific errors for BY LIST partitioning
+--
+CREATE TABLE sales_list
+(salesman_id INT,
+ salesman_name VARCHAR(30),
+ sales_state VARCHAR(20),
+ sales_amount INT,
+ sales_date DATE)
+PARTITION BY LIST (sales_state);
+CREATE TABLE sales_nord PARTITION OF sales_list FOR VALUES IN ('Oslo', 'St. Petersburg', 'Helsinki');
+CREATE TABLE sales_all PARTITION OF sales_list FOR VALUES IN ('Warsaw', 'Lisbon', 'New York', 'Madrid', 'Bejing', 'Berlin', 'Delhi', 'Kyiv', 'Vladivostok');
+CREATE TABLE sales_others PARTITION OF sales_list DEFAULT;
+-- ERROR: partition "sales_east" would overlap partition "sales_nord"
+ALTER TABLE sales_list SPLIT PARTITION sales_all INTO
+ (PARTITION sales_west FOR VALUES IN ('Lisbon', 'New York', 'Madrid'),
+ PARTITION sales_east FOR VALUES IN ('Bejing', 'Delhi', 'Vladivostok', 'Helsinki'),
+ PARTITION sales_central FOR VALUES IN ('Warsaw', 'Berlin', 'Kyiv'));
+ERROR: new partition "sales_east" would overlap with another (not split) partition "sales_nord"
+LINE 3: ... FOR VALUES IN ('Bejing', 'Delhi', 'Vladivostok', 'Helsinki'...
+ ^
+-- ERROR: new partition "sales_west" would overlap with another new partition "sales_central"
+ALTER TABLE sales_list SPLIT PARTITION sales_all INTO
+ (PARTITION sales_west FOR VALUES IN ('Lisbon', 'New York', 'Madrid'),
+ PARTITION sales_east FOR VALUES IN ('Bejing', 'Delhi', 'Vladivostok'),
+ PARTITION sales_central FOR VALUES IN ('Warsaw', 'Berlin', 'Lisbon', 'Kyiv'));
+ERROR: new partition "sales_west" would overlap with another new partition "sales_central"
+LINE 2: (PARTITION sales_west FOR VALUES IN ('Lisbon', 'New York',...
+ ^
+-- ERROR: new partition "sales_west" cannot have NULL value because split partition does not have
+ALTER TABLE sales_list SPLIT PARTITION sales_all INTO
+ (PARTITION sales_west FOR VALUES IN ('Lisbon', 'New York', 'Madrid', NULL),
+ PARTITION sales_east FOR VALUES IN ('Bejing', 'Delhi', 'Vladivostok'),
+ PARTITION sales_central FOR VALUES IN ('Warsaw', 'Berlin', 'Kyiv'));
+ERROR: new partition "sales_west" cannot have NULL value because split partition does not have
+LINE 2: ...s_west FOR VALUES IN ('Lisbon', 'New York', 'Madrid', NULL),
+ ^
+DROP TABLE sales_list;
+--
+-- Test: two specific errors for BY LIST partitioning:
+-- * new partitions not has NULL value that split partition has.
+-- * new partitions not has a value that split partition has.
+--
+CREATE TABLE sales_list
+(salesman_id INT,
+ salesman_name VARCHAR(30),
+ sales_state VARCHAR(20),
+ sales_amount INT,
+ sales_date DATE)
+PARTITION BY LIST (sales_state);
+CREATE TABLE sales_nord PARTITION OF sales_list FOR VALUES IN ('Helsinki', 'St. Petersburg', 'Oslo');
+CREATE TABLE sales_all PARTITION OF sales_list FOR VALUES IN ('Warsaw', 'Lisbon', 'New York', 'Madrid', 'Bejing', 'Berlin', 'Delhi', 'Kyiv', 'Vladivostok', NULL);
+-- ERROR: new partitions not have value NULL but split partition has
+ALTER TABLE sales_list SPLIT PARTITION sales_all INTO
+ (PARTITION sales_west FOR VALUES IN ('Lisbon', 'New York', 'Madrid'),
+ PARTITION sales_east FOR VALUES IN ('Bejing', 'Delhi', 'Vladivostok'),
+ PARTITION sales_central FOR VALUES IN ('Warsaw', 'Berlin', 'Kyiv'));
+ERROR: new partitions not have value NULL but split partition has
+-- ERROR: new partitions not have value 'Kyiv' but split partition has
+ALTER TABLE sales_list SPLIT PARTITION sales_all INTO
+ (PARTITION sales_west FOR VALUES IN ('Lisbon', 'New York', 'Madrid'),
+ PARTITION sales_east FOR VALUES IN ('Bejing', 'Delhi', 'Vladivostok'),
+ PARTITION sales_central FOR VALUES IN ('Warsaw', 'Berlin', NULL));
+ERROR: new partitions not have value 'Kyiv' but split partition has
+DROP TABLE sales_list;
+--
+-- Test: BY LIST partitioning, SPLIT PARTITION with data
+--
+CREATE TABLE sales_list
+(salesman_id SERIAL,
+ salesman_name VARCHAR(30),
+ sales_state VARCHAR(20),
+ sales_amount INT,
+ sales_date DATE)
+PARTITION BY LIST (sales_state);
+CREATE INDEX sales_list_salesman_name_idx ON sales_list USING btree (salesman_name);
+CREATE INDEX sales_list_sales_state_idx ON sales_list USING btree (sales_state);
+CREATE TABLE sales_nord PARTITION OF sales_list FOR VALUES IN ('Helsinki', 'St. Petersburg', 'Oslo');
+CREATE TABLE sales_all PARTITION OF sales_list FOR VALUES IN ('Warsaw', 'Lisbon', 'New York', 'Madrid', 'Bejing', 'Berlin', 'Delhi', 'Kyiv', 'Vladivostok');
+CREATE TABLE sales_others PARTITION OF sales_list DEFAULT;
+INSERT INTO sales_list (salesman_name, sales_state, sales_amount, sales_date) VALUES ('Trump', 'Bejing', 1000, '2022-03-01');
+INSERT INTO sales_list (salesman_name, sales_state, sales_amount, sales_date) VALUES ('Smirnoff', 'New York', 500, '2022-03-03');
+INSERT INTO sales_list (salesman_name, sales_state, sales_amount, sales_date) VALUES ('Ford', 'St. Petersburg', 2000, '2022-03-05');
+INSERT INTO sales_list (salesman_name, sales_state, sales_amount, sales_date) VALUES ('Ivanov', 'Warsaw', 750, '2022-03-04');
+INSERT INTO sales_list (salesman_name, sales_state, sales_amount, sales_date) VALUES ('Deev', 'Lisbon', 250, '2022-03-07');
+INSERT INTO sales_list (salesman_name, sales_state, sales_amount, sales_date) VALUES ('Poirot', 'Berlin', 1000, '2022-03-01');
+INSERT INTO sales_list (salesman_name, sales_state, sales_amount, sales_date) VALUES ('May', 'Oslo', 1200, '2022-03-06');
+INSERT INTO sales_list (salesman_name, sales_state, sales_amount, sales_date) VALUES ('Li', 'Vladivostok', 1150, '2022-03-09');
+INSERT INTO sales_list (salesman_name, sales_state, sales_amount, sales_date) VALUES ('May', 'Oslo', 1200, '2022-03-11');
+INSERT INTO sales_list (salesman_name, sales_state, sales_amount, sales_date) VALUES ('Halder', 'Helsinki', 800, '2022-03-02');
+INSERT INTO sales_list (salesman_name, sales_state, sales_amount, sales_date) VALUES ('Muller', 'Madrid', 650, '2022-03-05');
+INSERT INTO sales_list (salesman_name, sales_state, sales_amount, sales_date) VALUES ('Smith', 'Kyiv', 350, '2022-03-10');
+INSERT INTO sales_list (salesman_name, sales_state, sales_amount, sales_date) VALUES ('Gandi', 'Warsaw', 150, '2022-03-08');
+INSERT INTO sales_list (salesman_name, sales_state, sales_amount, sales_date) VALUES ('Plato', 'Lisbon', 950, '2022-03-05');
+ALTER TABLE sales_list SPLIT PARTITION sales_all INTO
+ (PARTITION sales_west FOR VALUES IN ('Lisbon', 'New York', 'Madrid'),
+ PARTITION sales_east FOR VALUES IN ('Bejing', 'Delhi', 'Vladivostok'),
+ PARTITION sales_central FOR VALUES IN ('Warsaw', 'Berlin', 'Kyiv'));
+SELECT * FROM sales_list;
+ salesman_id | salesman_name | sales_state | sales_amount | sales_date
+-------------+---------------+----------------+--------------+------------
+ 1 | Trump | Bejing | 1000 | 03-01-2022
+ 8 | Li | Vladivostok | 1150 | 03-09-2022
+ 4 | Ivanov | Warsaw | 750 | 03-04-2022
+ 6 | Poirot | Berlin | 1000 | 03-01-2022
+ 12 | Smith | Kyiv | 350 | 03-10-2022
+ 13 | Gandi | Warsaw | 150 | 03-08-2022
+ 3 | Ford | St. Petersburg | 2000 | 03-05-2022
+ 7 | May | Oslo | 1200 | 03-06-2022
+ 9 | May | Oslo | 1200 | 03-11-2022
+ 10 | Halder | Helsinki | 800 | 03-02-2022
+ 2 | Smirnoff | New York | 500 | 03-03-2022
+ 5 | Deev | Lisbon | 250 | 03-07-2022
+ 11 | Muller | Madrid | 650 | 03-05-2022
+ 14 | Plato | Lisbon | 950 | 03-05-2022
+(14 rows)
+
+SELECT * FROM sales_west;
+ salesman_id | salesman_name | sales_state | sales_amount | sales_date
+-------------+---------------+-------------+--------------+------------
+ 2 | Smirnoff | New York | 500 | 03-03-2022
+ 5 | Deev | Lisbon | 250 | 03-07-2022
+ 11 | Muller | Madrid | 650 | 03-05-2022
+ 14 | Plato | Lisbon | 950 | 03-05-2022
+(4 rows)
+
+SELECT * FROM sales_east;
+ salesman_id | salesman_name | sales_state | sales_amount | sales_date
+-------------+---------------+-------------+--------------+------------
+ 1 | Trump | Bejing | 1000 | 03-01-2022
+ 8 | Li | Vladivostok | 1150 | 03-09-2022
+(2 rows)
+
+SELECT * FROM sales_nord;
+ salesman_id | salesman_name | sales_state | sales_amount | sales_date
+-------------+---------------+----------------+--------------+------------
+ 3 | Ford | St. Petersburg | 2000 | 03-05-2022
+ 7 | May | Oslo | 1200 | 03-06-2022
+ 9 | May | Oslo | 1200 | 03-11-2022
+ 10 | Halder | Helsinki | 800 | 03-02-2022
+(4 rows)
+
+SELECT * FROM sales_central;
+ salesman_id | salesman_name | sales_state | sales_amount | sales_date
+-------------+---------------+-------------+--------------+------------
+ 4 | Ivanov | Warsaw | 750 | 03-04-2022
+ 6 | Poirot | Berlin | 1000 | 03-01-2022
+ 12 | Smith | Kyiv | 350 | 03-10-2022
+ 13 | Gandi | Warsaw | 150 | 03-08-2022
+(4 rows)
+
+-- Use indexscan for test indexes after split partition
+SET enable_indexscan = ON;
+SET enable_seqscan = OFF;
+SELECT * FROM sales_central WHERE sales_state = 'Warsaw';
+ salesman_id | salesman_name | sales_state | sales_amount | sales_date
+-------------+---------------+-------------+--------------+------------
+ 4 | Ivanov | Warsaw | 750 | 03-04-2022
+ 13 | Gandi | Warsaw | 150 | 03-08-2022
+(2 rows)
+
+SELECT * FROM sales_list WHERE sales_state = 'Warsaw';
+ salesman_id | salesman_name | sales_state | sales_amount | sales_date
+-------------+---------------+-------------+--------------+------------
+ 4 | Ivanov | Warsaw | 750 | 03-04-2022
+ 13 | Gandi | Warsaw | 150 | 03-08-2022
+(2 rows)
+
+SELECT * FROM sales_list WHERE salesman_name = 'Ivanov';
+ salesman_id | salesman_name | sales_state | sales_amount | sales_date
+-------------+---------------+-------------+--------------+------------
+ 4 | Ivanov | Warsaw | 750 | 03-04-2022
+(1 row)
+
+SET enable_indexscan = ON;
+SET enable_seqscan = ON;
+DROP TABLE sales_list;
+--
+-- Test for:
+-- * split DEFAULT partition to partitions with spaces between bounds;
+-- * random order of partitions in SPLIT PARTITION command.
+--
+CREATE TABLE sales_range (salesman_id INT, salesman_name VARCHAR(30), sales_amount INT, sales_date DATE) PARTITION BY RANGE (sales_date);
+CREATE TABLE sales_others PARTITION OF sales_range DEFAULT;
+INSERT INTO sales_range VALUES (1, 'May', 1000, '2022-01-31');
+INSERT INTO sales_range VALUES (2, 'Smirnoff', 500, '2022-02-09');
+INSERT INTO sales_range VALUES (3, 'Ford', 2000, '2022-04-30');
+INSERT INTO sales_range VALUES (4, 'Ivanov', 750, '2022-04-13');
+INSERT INTO sales_range VALUES (5, 'Deev', 250, '2022-04-07');
+INSERT INTO sales_range VALUES (6, 'Poirot', 150, '2022-02-07');
+INSERT INTO sales_range VALUES (7, 'Li', 175, '2022-03-08');
+INSERT INTO sales_range VALUES (8, 'Ericsson', 185, '2022-02-23');
+INSERT INTO sales_range VALUES (9, 'Muller', 250, '2022-03-11');
+INSERT INTO sales_range VALUES (10, 'Halder', 350, '2022-01-28');
+INSERT INTO sales_range VALUES (11, 'Trump', 380, '2022-04-06');
+INSERT INTO sales_range VALUES (12, 'Plato', 350, '2022-03-19');
+INSERT INTO sales_range VALUES (13, 'Gandi', 377, '2022-01-09');
+INSERT INTO sales_range VALUES (14, 'Smith', 510, '2022-05-04');
+ALTER TABLE sales_range SPLIT PARTITION sales_others INTO
+ (PARTITION sales_others DEFAULT,
+ PARTITION sales_mar2022_1decade FOR VALUES FROM ('2022-03-01') TO ('2022-03-10'),
+ PARTITION sales_jan2022_1decade FOR VALUES FROM ('2022-01-01') TO ('2022-01-10'),
+ PARTITION sales_feb2022_1decade FOR VALUES FROM ('2022-02-01') TO ('2022-02-10'),
+ PARTITION sales_apr2022_1decade FOR VALUES FROM ('2022-04-01') TO ('2022-04-10'));
+SELECT * FROM sales_jan2022_1decade;
+ salesman_id | salesman_name | sales_amount | sales_date
+-------------+---------------+--------------+------------
+ 13 | Gandi | 377 | 01-09-2022
+(1 row)
+
+SELECT * FROM sales_feb2022_1decade;
+ salesman_id | salesman_name | sales_amount | sales_date
+-------------+---------------+--------------+------------
+ 2 | Smirnoff | 500 | 02-09-2022
+ 6 | Poirot | 150 | 02-07-2022
+(2 rows)
+
+SELECT * FROM sales_mar2022_1decade;
+ salesman_id | salesman_name | sales_amount | sales_date
+-------------+---------------+--------------+------------
+ 7 | Li | 175 | 03-08-2022
+(1 row)
+
+SELECT * FROM sales_apr2022_1decade;
+ salesman_id | salesman_name | sales_amount | sales_date
+-------------+---------------+--------------+------------
+ 5 | Deev | 250 | 04-07-2022
+ 11 | Trump | 380 | 04-06-2022
+(2 rows)
+
+SELECT * FROM sales_others;
+ salesman_id | salesman_name | sales_amount | sales_date
+-------------+---------------+--------------+------------
+ 1 | May | 1000 | 01-31-2022
+ 3 | Ford | 2000 | 04-30-2022
+ 4 | Ivanov | 750 | 04-13-2022
+ 8 | Ericsson | 185 | 02-23-2022
+ 9 | Muller | 250 | 03-11-2022
+ 10 | Halder | 350 | 01-28-2022
+ 12 | Plato | 350 | 03-19-2022
+ 14 | Smith | 510 | 05-04-2022
+(8 rows)
+
+DROP TABLE sales_range;
+--
+-- Test for:
+-- * split non-DEFAULT partition to partitions with spaces between bounds;
+-- * random order of partitions in SPLIT PARTITION command.
+--
+CREATE TABLE sales_range (salesman_id INT, salesman_name VARCHAR(30), sales_amount INT, sales_date DATE) PARTITION BY RANGE (sales_date);
+CREATE TABLE sales_all PARTITION OF sales_range FOR VALUES FROM ('2022-01-01') TO ('2022-05-01');
+CREATE TABLE sales_others PARTITION OF sales_range DEFAULT;
+INSERT INTO sales_range VALUES (1, 'May', 1000, '2022-01-31');
+INSERT INTO sales_range VALUES (2, 'Smirnoff', 500, '2022-02-09');
+INSERT INTO sales_range VALUES (3, 'Ford', 2000, '2022-04-30');
+INSERT INTO sales_range VALUES (4, 'Ivanov', 750, '2022-04-13');
+INSERT INTO sales_range VALUES (5, 'Deev', 250, '2022-04-07');
+INSERT INTO sales_range VALUES (6, 'Poirot', 150, '2022-02-07');
+INSERT INTO sales_range VALUES (7, 'Li', 175, '2022-03-08');
+INSERT INTO sales_range VALUES (8, 'Ericsson', 185, '2022-02-23');
+INSERT INTO sales_range VALUES (9, 'Muller', 250, '2022-03-11');
+INSERT INTO sales_range VALUES (10, 'Halder', 350, '2022-01-28');
+INSERT INTO sales_range VALUES (11, 'Trump', 380, '2022-04-06');
+INSERT INTO sales_range VALUES (12, 'Plato', 350, '2022-03-19');
+INSERT INTO sales_range VALUES (13, 'Gandi', 377, '2022-01-09');
+INSERT INTO sales_range VALUES (14, 'Smith', 510, '2022-05-04');
+ALTER TABLE sales_range SPLIT PARTITION sales_all INTO
+ (PARTITION sales_mar2022_1decade FOR VALUES FROM ('2022-03-01') TO ('2022-03-10'),
+ PARTITION sales_jan2022_1decade FOR VALUES FROM ('2022-01-01') TO ('2022-01-10'),
+ PARTITION sales_feb2022_1decade FOR VALUES FROM ('2022-02-01') TO ('2022-02-10'),
+ PARTITION sales_apr2022_1decade FOR VALUES FROM ('2022-04-01') TO ('2022-04-10'));
+SELECT * FROM sales_jan2022_1decade;
+ salesman_id | salesman_name | sales_amount | sales_date
+-------------+---------------+--------------+------------
+ 13 | Gandi | 377 | 01-09-2022
+(1 row)
+
+SELECT * FROM sales_feb2022_1decade;
+ salesman_id | salesman_name | sales_amount | sales_date
+-------------+---------------+--------------+------------
+ 2 | Smirnoff | 500 | 02-09-2022
+ 6 | Poirot | 150 | 02-07-2022
+(2 rows)
+
+SELECT * FROM sales_mar2022_1decade;
+ salesman_id | salesman_name | sales_amount | sales_date
+-------------+---------------+--------------+------------
+ 7 | Li | 175 | 03-08-2022
+(1 row)
+
+SELECT * FROM sales_apr2022_1decade;
+ salesman_id | salesman_name | sales_amount | sales_date
+-------------+---------------+--------------+------------
+ 5 | Deev | 250 | 04-07-2022
+ 11 | Trump | 380 | 04-06-2022
+(2 rows)
+
+SELECT * FROM sales_others;
+ salesman_id | salesman_name | sales_amount | sales_date
+-------------+---------------+--------------+------------
+ 14 | Smith | 510 | 05-04-2022
+ 1 | May | 1000 | 01-31-2022
+ 3 | Ford | 2000 | 04-30-2022
+ 4 | Ivanov | 750 | 04-13-2022
+ 8 | Ericsson | 185 | 02-23-2022
+ 9 | Muller | 250 | 03-11-2022
+ 10 | Halder | 350 | 01-28-2022
+ 12 | Plato | 350 | 03-19-2022
+(8 rows)
+
+DROP TABLE sales_range;
+--
+-- Test for split non-DEFAULT partition to DEFAULT partition + partitions
+-- with spaces between bounds.
+--
+CREATE TABLE sales_range (salesman_id INT, salesman_name VARCHAR(30), sales_amount INT, sales_date DATE) PARTITION BY RANGE (sales_date);
+CREATE TABLE sales_jan2022 PARTITION OF sales_range FOR VALUES FROM ('2022-01-01') TO ('2022-02-01');
+CREATE TABLE sales_all PARTITION OF sales_range FOR VALUES FROM ('2022-02-01') TO ('2022-05-01');
+INSERT INTO sales_range VALUES (1, 'May', 1000, '2022-01-31');
+INSERT INTO sales_range VALUES (2, 'Smirnoff', 500, '2022-02-10');
+INSERT INTO sales_range VALUES (3, 'Ford', 2000, '2022-04-30');
+INSERT INTO sales_range VALUES (4, 'Ivanov', 750, '2022-04-13');
+INSERT INTO sales_range VALUES (5, 'Deev', 250, '2022-04-07');
+INSERT INTO sales_range VALUES (6, 'Poirot', 150, '2022-02-11');
+INSERT INTO sales_range VALUES (7, 'Li', 175, '2022-03-08');
+INSERT INTO sales_range VALUES (8, 'Ericsson', 185, '2022-02-23');
+INSERT INTO sales_range VALUES (9, 'Muller', 250, '2022-03-11');
+INSERT INTO sales_range VALUES (10, 'Halder', 350, '2022-01-28');
+INSERT INTO sales_range VALUES (11, 'Trump', 380, '2022-04-06');
+INSERT INTO sales_range VALUES (12, 'Plato', 350, '2022-03-19');
+INSERT INTO sales_range VALUES (13, 'Gandi', 377, '2022-01-09');
+ALTER TABLE sales_range SPLIT PARTITION sales_all INTO
+ (PARTITION sales_apr2022 FOR VALUES FROM ('2022-04-01') TO ('2022-05-01'),
+ PARTITION sales_feb2022 FOR VALUES FROM ('2022-02-01') TO ('2022-03-01'),
+ PARTITION sales_others DEFAULT);
+INSERT INTO sales_range VALUES (14, 'Smith', 510, '2022-05-04');
+SELECT * FROM sales_range;
+ salesman_id | salesman_name | sales_amount | sales_date
+-------------+---------------+--------------+------------
+ 1 | May | 1000 | 01-31-2022
+ 10 | Halder | 350 | 01-28-2022
+ 13 | Gandi | 377 | 01-09-2022
+ 2 | Smirnoff | 500 | 02-10-2022
+ 6 | Poirot | 150 | 02-11-2022
+ 8 | Ericsson | 185 | 02-23-2022
+ 3 | Ford | 2000 | 04-30-2022
+ 4 | Ivanov | 750 | 04-13-2022
+ 5 | Deev | 250 | 04-07-2022
+ 11 | Trump | 380 | 04-06-2022
+ 7 | Li | 175 | 03-08-2022
+ 9 | Muller | 250 | 03-11-2022
+ 12 | Plato | 350 | 03-19-2022
+ 14 | Smith | 510 | 05-04-2022
+(14 rows)
+
+SELECT * FROM sales_jan2022;
+ salesman_id | salesman_name | sales_amount | sales_date
+-------------+---------------+--------------+------------
+ 1 | May | 1000 | 01-31-2022
+ 10 | Halder | 350 | 01-28-2022
+ 13 | Gandi | 377 | 01-09-2022
+(3 rows)
+
+SELECT * FROM sales_feb2022;
+ salesman_id | salesman_name | sales_amount | sales_date
+-------------+---------------+--------------+------------
+ 2 | Smirnoff | 500 | 02-10-2022
+ 6 | Poirot | 150 | 02-11-2022
+ 8 | Ericsson | 185 | 02-23-2022
+(3 rows)
+
+SELECT * FROM sales_apr2022;
+ salesman_id | salesman_name | sales_amount | sales_date
+-------------+---------------+--------------+------------
+ 3 | Ford | 2000 | 04-30-2022
+ 4 | Ivanov | 750 | 04-13-2022
+ 5 | Deev | 250 | 04-07-2022
+ 11 | Trump | 380 | 04-06-2022
+(4 rows)
+
+SELECT * FROM sales_others;
+ salesman_id | salesman_name | sales_amount | sales_date
+-------------+---------------+--------------+------------
+ 7 | Li | 175 | 03-08-2022
+ 9 | Muller | 250 | 03-11-2022
+ 12 | Plato | 350 | 03-19-2022
+ 14 | Smith | 510 | 05-04-2022
+(4 rows)
+
+DROP TABLE sales_range;
+--
+DROP SCHEMA partition_split_schema;
# The stats test resets stats, so nothing else needing stats access can be in
# this group.
# ----------
-test: partition_merge partition_join partition_prune reloptions hash_part indexing partition_aggregate partition_info tuplesort explain compression memoize stats predicate
+test: partition_merge partition_split partition_join partition_prune reloptions hash_part indexing partition_aggregate partition_info tuplesort explain compression memoize stats predicate
# event_trigger depends on create_am and cannot run concurrently with
# any test that runs DDL
--- /dev/null
+--
+-- PARTITION_SPLIT
+-- Tests for "ALTER TABLE ... SPLIT PARTITION ..." command
+--
+
+CREATE SCHEMA partition_split_schema;
+SET search_path = partition_split_schema, public;
+
+--
+-- BY RANGE partitioning
+--
+
+--
+-- Test for error codes
+--
+CREATE TABLE sales_range (salesman_id int, salesman_name varchar(30), sales_amount int, sales_date date) PARTITION BY RANGE (sales_date);
+CREATE TABLE sales_jan2022 PARTITION OF sales_range FOR VALUES FROM ('2022-01-01') TO ('2022-02-01');
+CREATE TABLE sales_feb_mar_apr2022 PARTITION OF sales_range FOR VALUES FROM ('2022-02-01') TO ('2022-05-01');
+CREATE TABLE sales_others PARTITION OF sales_range DEFAULT;
+
+-- ERROR: relation "sales_xxx" does not exist
+ALTER TABLE sales_range SPLIT PARTITION sales_xxx INTO
+ (PARTITION sales_feb2022 FOR VALUES FROM ('2022-02-01') TO ('2022-03-01'),
+ PARTITION sales_mar2022 FOR VALUES FROM ('2022-03-01') TO ('2022-04-01'),
+ PARTITION sales_apr2022 FOR VALUES FROM ('2022-04-01') TO ('2022-05-01'));
+
+-- ERROR: relation "sales_jan2022" already exists
+ALTER TABLE sales_range SPLIT PARTITION sales_feb_mar_apr2022 INTO
+ (PARTITION sales_jan2022 FOR VALUES FROM ('2022-02-01') TO ('2022-03-01'),
+ PARTITION sales_mar2022 FOR VALUES FROM ('2022-03-01') TO ('2022-04-01'),
+ PARTITION sales_apr2022 FOR VALUES FROM ('2022-04-01') TO ('2022-05-01'));
+
+-- ERROR: invalid bound specification for a range partition
+ALTER TABLE sales_range SPLIT PARTITION sales_feb_mar_apr2022 INTO
+ (PARTITION sales_jan2022 FOR VALUES IN ('2022-05-01', '2022-06-01'),
+ PARTITION sales_mar2022 FOR VALUES FROM ('2022-03-01') TO ('2022-04-01'),
+ PARTITION sales_apr2022 FOR VALUES FROM ('2022-04-01') TO ('2022-05-01'));
+
+-- ERROR: empty range bound specified for partition "sales_mar2022"
+ALTER TABLE sales_range SPLIT PARTITION sales_feb_mar_apr2022 INTO
+ (PARTITION sales_feb2022 FOR VALUES FROM ('2022-02-01') TO ('2022-03-01'),
+ PARTITION sales_mar2022 FOR VALUES FROM ('2022-03-01') TO ('2022-02-01'),
+ PARTITION sales_apr2022 FOR VALUES FROM ('2022-04-01') TO ('2022-05-01'));
+
+--ERROR: list of split partitions should contains at least two items
+ALTER TABLE sales_range SPLIT PARTITION sales_feb_mar_apr2022 INTO
+ (PARTITION sales_feb2022 FOR VALUES FROM ('2022-02-01') TO ('2022-10-01'));
+
+-- ERROR: lower bound of partition "sales_feb2022" is less than lower bound of split partition
+ALTER TABLE sales_range SPLIT PARTITION sales_feb_mar_apr2022 INTO
+ (PARTITION sales_feb2022 FOR VALUES FROM ('2022-01-01') TO ('2022-03-01'),
+ PARTITION sales_mar2022 FOR VALUES FROM ('2022-03-01') TO ('2022-04-01'),
+ PARTITION sales_apr2022 FOR VALUES FROM ('2022-04-01') TO ('2022-05-01'));
+
+-- ERROR: name "sales_feb_mar_apr2022" already used
+-- (We can create partition with the same name as split partition, but can't create two partitions with the same name)
+ALTER TABLE sales_range SPLIT PARTITION sales_feb_mar_apr2022 INTO
+ (PARTITION sales_feb_mar_apr2022 FOR VALUES FROM ('2022-02-01') TO ('2022-03-01'),
+ PARTITION sales_feb_mar_apr2022 FOR VALUES FROM ('2022-03-01') TO ('2022-04-01'),
+ PARTITION sales_apr2022 FOR VALUES FROM ('2022-04-01') TO ('2022-05-01'));
+
+-- ERROR: name "sales_feb2022" already used
+ALTER TABLE sales_range SPLIT PARTITION sales_feb_mar_apr2022 INTO
+ (PARTITION sales_feb2022 FOR VALUES FROM ('2022-02-01') TO ('2022-03-01'),
+ PARTITION sales_feb2022 FOR VALUES FROM ('2022-03-01') TO ('2022-04-01'),
+ PARTITION sales_apr2022 FOR VALUES FROM ('2022-04-01') TO ('2022-05-01'));
+
+-- ERROR: "sales_feb_mar_apr2022" is not a partitioned table
+ALTER TABLE sales_feb_mar_apr2022 SPLIT PARTITION sales_feb_mar_apr2022 INTO
+ (PARTITION sales_jan2022 FOR VALUES FROM ('2022-02-01') TO ('2022-03-01'),
+ PARTITION sales_feb2022 FOR VALUES FROM ('2022-03-01') TO ('2022-04-01'),
+ PARTITION sales_apr2022 FOR VALUES FROM ('2022-04-01') TO ('2022-05-01'));
+
+-- ERROR: upper bound of partition "sales_apr2022" is greater than upper bound of split partition
+ALTER TABLE sales_range SPLIT PARTITION sales_feb_mar_apr2022 INTO
+ (PARTITION sales_feb2022 FOR VALUES FROM ('2022-02-01') TO ('2022-03-01'),
+ PARTITION sales_mar2022 FOR VALUES FROM ('2022-03-01') TO ('2022-04-01'),
+ PARTITION sales_apr2022 FOR VALUES FROM ('2022-04-01') TO ('2022-06-01'));
+
+-- ERROR: lower bound of partition "sales_mar2022" is not equals to upper bound of previous partition
+ALTER TABLE sales_range SPLIT PARTITION sales_feb_mar_apr2022 INTO
+ (PARTITION sales_feb2022 FOR VALUES FROM ('2022-02-01') TO ('2022-03-01'),
+ PARTITION sales_mar2022 FOR VALUES FROM ('2022-02-01') TO ('2022-04-01'),
+ PARTITION sales_apr2022 FOR VALUES FROM ('2022-04-01') TO ('2022-05-01'));
+
+-- Tests for spaces between partitions, them should be executed without DEFAULT partition
+ALTER TABLE sales_range DETACH PARTITION sales_others;
+
+-- ERROR: lower bound of partition "sales_feb2022" is not equals to lower bound of split partition
+ALTER TABLE sales_range SPLIT PARTITION sales_feb_mar_apr2022 INTO
+ (PARTITION sales_feb2022 FOR VALUES FROM ('2022-02-02') TO ('2022-03-01'),
+ PARTITION sales_mar2022 FOR VALUES FROM ('2022-03-01') TO ('2022-04-01'),
+ PARTITION sales_apr2022 FOR VALUES FROM ('2022-04-01') TO ('2022-05-01'));
+
+DROP TABLE sales_range;
+DROP TABLE sales_others;
+
+--
+-- Add rows into partitioned table then split partition
+--
+CREATE TABLE sales_range (salesman_id INT, salesman_name VARCHAR(30), sales_amount INT, sales_date DATE) PARTITION BY RANGE (sales_date);
+CREATE TABLE sales_jan2022 PARTITION OF sales_range FOR VALUES FROM ('2022-01-01') TO ('2022-02-01');
+CREATE TABLE sales_feb_mar_apr2022 PARTITION OF sales_range FOR VALUES FROM ('2022-02-01') TO ('2022-05-01');
+CREATE TABLE sales_others PARTITION OF sales_range DEFAULT;
+
+INSERT INTO sales_range VALUES (1, 'May', 1000, '2022-01-31');
+INSERT INTO sales_range VALUES (2, 'Smirnoff', 500, '2022-02-10');
+INSERT INTO sales_range VALUES (3, 'Ford', 2000, '2022-04-30');
+INSERT INTO sales_range VALUES (4, 'Ivanov', 750, '2022-04-13');
+INSERT INTO sales_range VALUES (5, 'Deev', 250, '2022-04-07');
+INSERT INTO sales_range VALUES (6, 'Poirot', 150, '2022-02-11');
+INSERT INTO sales_range VALUES (7, 'Li', 175, '2022-03-08');
+INSERT INTO sales_range VALUES (8, 'Ericsson', 185, '2022-02-23');
+INSERT INTO sales_range VALUES (9, 'Muller', 250, '2022-03-11');
+INSERT INTO sales_range VALUES (10, 'Halder', 350, '2022-01-28');
+INSERT INTO sales_range VALUES (11, 'Trump', 380, '2022-04-06');
+INSERT INTO sales_range VALUES (12, 'Plato', 350, '2022-03-19');
+INSERT INTO sales_range VALUES (13, 'Gandi', 377, '2022-01-09');
+INSERT INTO sales_range VALUES (14, 'Smith', 510, '2022-05-04');
+
+ALTER TABLE sales_range SPLIT PARTITION sales_feb_mar_apr2022 INTO
+ (PARTITION sales_feb2022 FOR VALUES FROM ('2022-02-01') TO ('2022-03-01'),
+ PARTITION sales_mar2022 FOR VALUES FROM ('2022-03-01') TO ('2022-04-01'),
+ PARTITION sales_apr2022 FOR VALUES FROM ('2022-04-01') TO ('2022-05-01'));
+
+SELECT * FROM sales_range;
+SELECT * FROM sales_jan2022;
+SELECT * FROM sales_feb2022;
+SELECT * FROM sales_mar2022;
+SELECT * FROM sales_apr2022;
+SELECT * FROM sales_others;
+
+DROP TABLE sales_range CASCADE;
+
+--
+-- Add split partition then add rows into partitioned table
+--
+CREATE TABLE sales_range (salesman_id INT, salesman_name VARCHAR(30), sales_amount INT, sales_date DATE) PARTITION BY RANGE (sales_date);
+CREATE TABLE sales_jan2022 PARTITION OF sales_range FOR VALUES FROM ('2022-01-01') TO ('2022-02-01');
+CREATE TABLE sales_feb_mar_apr2022 PARTITION OF sales_range FOR VALUES FROM ('2022-02-01') TO ('2022-05-01');
+CREATE TABLE sales_others PARTITION OF sales_range DEFAULT;
+
+ALTER TABLE sales_range SPLIT PARTITION sales_feb_mar_apr2022 INTO
+ (PARTITION sales_feb2022 FOR VALUES FROM ('2022-02-01') TO ('2022-03-01'),
+ PARTITION sales_mar2022 FOR VALUES FROM ('2022-03-01') TO ('2022-04-01'),
+ PARTITION sales_apr2022 FOR VALUES FROM ('2022-04-01') TO ('2022-05-01'));
+
+INSERT INTO sales_range VALUES (1, 'May', 1000, '2022-01-31');
+INSERT INTO sales_range VALUES (2, 'Smirnoff', 500, '2022-02-10');
+INSERT INTO sales_range VALUES (3, 'Ford', 2000, '2022-04-30');
+INSERT INTO sales_range VALUES (4, 'Ivanov', 750, '2022-04-13');
+INSERT INTO sales_range VALUES (5, 'Deev', 250, '2022-04-07');
+INSERT INTO sales_range VALUES (6, 'Poirot', 150, '2022-02-11');
+INSERT INTO sales_range VALUES (7, 'Li', 175, '2022-03-08');
+INSERT INTO sales_range VALUES (8, 'Ericsson', 185, '2022-02-23');
+INSERT INTO sales_range VALUES (9, 'Muller', 250, '2022-03-11');
+INSERT INTO sales_range VALUES (10, 'Halder', 350, '2022-01-28');
+INSERT INTO sales_range VALUES (11, 'Trump', 380, '2022-04-06');
+INSERT INTO sales_range VALUES (12, 'Plato', 350, '2022-03-19');
+INSERT INTO sales_range VALUES (13, 'Gandi', 377, '2022-01-09');
+INSERT INTO sales_range VALUES (14, 'Smith', 510, '2022-05-04');
+
+SELECT * FROM sales_range;
+SELECT * FROM sales_jan2022;
+SELECT * FROM sales_feb2022;
+SELECT * FROM sales_mar2022;
+SELECT * FROM sales_apr2022;
+SELECT * FROM sales_others;
+
+DROP TABLE sales_range CASCADE;
+
+--
+-- Test for:
+-- * composite partition key;
+-- * GENERATED column;
+-- * column with DEFAULT value.
+--
+CREATE TABLE sales_date (salesman_name VARCHAR(30), sales_year INT, sales_month INT, sales_day INT,
+ sales_date VARCHAR(10) GENERATED ALWAYS AS
+ (LPAD(sales_year::text, 4, '0') || '.' || LPAD(sales_month::text, 2, '0') || '.' || LPAD(sales_day::text, 2, '0')) STORED,
+ sales_department VARCHAR(30) DEFAULT 'Sales department')
+ PARTITION BY RANGE (sales_year, sales_month, sales_day);
+
+CREATE TABLE sales_dec2022 PARTITION OF sales_date FOR VALUES FROM (2021, 12, 1) TO (2022, 1, 1);
+CREATE TABLE sales_jan_feb2022 PARTITION OF sales_date FOR VALUES FROM (2022, 1, 1) TO (2022, 3, 1);
+CREATE TABLE sales_other PARTITION OF sales_date FOR VALUES FROM (2022, 3, 1) TO (MAXVALUE, MAXVALUE, MAXVALUE);
+
+INSERT INTO sales_date(salesman_name, sales_year, sales_month, sales_day) VALUES ('Manager1', 2021, 12, 7);
+INSERT INTO sales_date(salesman_name, sales_year, sales_month, sales_day) VALUES ('Manager2', 2021, 12, 8);
+INSERT INTO sales_date(salesman_name, sales_year, sales_month, sales_day) VALUES ('Manager3', 2022, 1, 1);
+INSERT INTO sales_date(salesman_name, sales_year, sales_month, sales_day) VALUES ('Manager1', 2022, 2, 4);
+INSERT INTO sales_date(salesman_name, sales_year, sales_month, sales_day) VALUES ('Manager2', 2022, 1, 2);
+INSERT INTO sales_date(salesman_name, sales_year, sales_month, sales_day) VALUES ('Manager3', 2022, 2, 1);
+INSERT INTO sales_date(salesman_name, sales_year, sales_month, sales_day) VALUES ('Manager1', 2022, 3, 3);
+INSERT INTO sales_date(salesman_name, sales_year, sales_month, sales_day) VALUES ('Manager2', 2022, 3, 4);
+INSERT INTO sales_date(salesman_name, sales_year, sales_month, sales_day) VALUES ('Manager3', 2022, 5, 1);
+
+SELECT * FROM sales_date;
+SELECT * FROM sales_dec2022;
+SELECT * FROM sales_jan_feb2022;
+SELECT * FROM sales_other;
+
+ALTER TABLE sales_date SPLIT PARTITION sales_jan_feb2022 INTO
+ (PARTITION sales_jan2022 FOR VALUES FROM (2022, 1, 1) TO (2022, 2, 1),
+ PARTITION sales_feb2022 FOR VALUES FROM (2022, 2, 1) TO (2022, 3, 1));
+
+INSERT INTO sales_date(salesman_name, sales_year, sales_month, sales_day) VALUES ('Manager1', 2022, 1, 10);
+INSERT INTO sales_date(salesman_name, sales_year, sales_month, sales_day) VALUES ('Manager2', 2022, 2, 10);
+
+SELECT * FROM sales_date;
+SELECT * FROM sales_dec2022;
+SELECT * FROM sales_jan2022;
+SELECT * FROM sales_feb2022;
+SELECT * FROM sales_other;
+
+--ERROR: relation "sales_jan_feb2022" does not exist
+SELECT * FROM sales_jan_feb2022;
+
+DROP TABLE sales_date CASCADE;
+
+--
+-- Test: split DEFAULT partition; using a index on partition key; check index after split
+--
+CREATE TABLE sales_range (salesman_id INT, salesman_name VARCHAR(30), sales_amount INT, sales_date DATE) PARTITION BY RANGE (sales_date);
+CREATE TABLE sales_jan2022 PARTITION OF sales_range FOR VALUES FROM ('2022-01-01') TO ('2022-02-01');
+CREATE TABLE sales_others PARTITION OF sales_range DEFAULT;
+CREATE INDEX sales_range_sales_date_idx ON sales_range USING btree (sales_date);
+
+INSERT INTO sales_range VALUES (1, 'May', 1000, '2022-01-31');
+INSERT INTO sales_range VALUES (2, 'Smirnoff', 500, '2022-02-10');
+INSERT INTO sales_range VALUES (3, 'Ford', 2000, '2022-04-30');
+INSERT INTO sales_range VALUES (4, 'Ivanov', 750, '2022-04-13');
+INSERT INTO sales_range VALUES (5, 'Deev', 250, '2022-04-07');
+INSERT INTO sales_range VALUES (6, 'Poirot', 150, '2022-02-11');
+INSERT INTO sales_range VALUES (7, 'Li', 175, '2022-03-08');
+INSERT INTO sales_range VALUES (8, 'Ericsson', 185, '2022-02-23');
+INSERT INTO sales_range VALUES (9, 'Muller', 250, '2022-03-11');
+INSERT INTO sales_range VALUES (10, 'Halder', 350, '2022-01-28');
+INSERT INTO sales_range VALUES (11, 'Trump', 380, '2022-04-06');
+INSERT INTO sales_range VALUES (12, 'Plato', 350, '2022-03-19');
+INSERT INTO sales_range VALUES (13, 'Gandi', 377, '2022-01-09');
+INSERT INTO sales_range VALUES (14, 'Smith', 510, '2022-05-04');
+
+SELECT * FROM sales_others;
+SELECT * FROM pg_indexes WHERE tablename = 'sales_others' and schemaname = 'partition_split_schema';
+
+ALTER TABLE sales_range SPLIT PARTITION sales_others INTO
+ (PARTITION sales_feb2022 FOR VALUES FROM ('2022-02-01') TO ('2022-03-01'),
+ PARTITION sales_mar2022 FOR VALUES FROM ('2022-03-01') TO ('2022-04-01'),
+ PARTITION sales_apr2022 FOR VALUES FROM ('2022-04-01') TO ('2022-05-01'),
+ PARTITION sales_others DEFAULT);
+
+-- Use indexscan for test indexes
+SET enable_indexscan = ON;
+SET enable_seqscan = OFF;
+
+SELECT * FROM sales_feb2022 where sales_date > '2022-01-01';
+SELECT * FROM sales_mar2022 where sales_date > '2022-01-01';
+SELECT * FROM sales_apr2022 where sales_date > '2022-01-01';
+SELECT * FROM sales_others where sales_date > '2022-01-01';
+
+SET enable_indexscan = ON;
+SET enable_seqscan = ON;
+
+SELECT * FROM pg_indexes WHERE tablename = 'sales_feb2022' and schemaname = 'partition_split_schema';
+SELECT * FROM pg_indexes WHERE tablename = 'sales_mar2022' and schemaname = 'partition_split_schema';
+SELECT * FROM pg_indexes WHERE tablename = 'sales_apr2022' and schemaname = 'partition_split_schema';
+SELECT * FROM pg_indexes WHERE tablename = 'sales_others' and schemaname = 'partition_split_schema';
+
+DROP TABLE sales_range CASCADE;
+
+--
+-- Test: some cases for split DEFAULT partition (different bounds)
+--
+CREATE TABLE sales_range (salesman_id INT, salesman_name VARCHAR(30), sales_amount INT, sales_date INT) PARTITION BY RANGE (sales_date);
+CREATE TABLE sales_others PARTITION OF sales_range DEFAULT;
+
+-- sales_error intersects with sales_dec2022 (lower bound)
+-- ERROR: lower bound of partition "sales_error" conflicts with upper bound of previous partition "sales_dec2022"
+ALTER TABLE sales_range SPLIT PARTITION sales_others INTO
+ (PARTITION sales_dec2022 FOR VALUES FROM (20211201) TO (20220101),
+ PARTITION sales_error FOR VALUES FROM (20211230) TO (20220201),
+ PARTITION sales_feb2022 FOR VALUES FROM (20220201) TO (20220301),
+ PARTITION sales_others DEFAULT);
+
+-- sales_error intersects with sales_feb2022 (upper bound)
+-- ERROR: lower bound of partition "sales_feb2022" conflicts with upper bound of previous partition "sales_error"
+ALTER TABLE sales_range SPLIT PARTITION sales_others INTO
+ (PARTITION sales_dec2022 FOR VALUES FROM (20211201) TO (20220101),
+ PARTITION sales_error FOR VALUES FROM (20220101) TO (20220202),
+ PARTITION sales_feb2022 FOR VALUES FROM (20220201) TO (20220301),
+ PARTITION sales_others DEFAULT);
+
+-- sales_error intersects with sales_dec2022 (inside bound)
+-- ERROR: lower bound of partition "sales_error" conflicts with upper bound of previous partition "sales_dec2022"
+ALTER TABLE sales_range SPLIT PARTITION sales_others INTO
+ (PARTITION sales_dec2022 FOR VALUES FROM (20211201) TO (20220101),
+ PARTITION sales_error FOR VALUES FROM (20211210) TO (20211220),
+ PARTITION sales_feb2022 FOR VALUES FROM (20220201) TO (20220301),
+ PARTITION sales_others DEFAULT);
+
+-- sales_error intersects with sales_dec2022 (exact the same bounds)
+-- ERROR: lower bound of partition "sales_error" conflicts with upper bound of previous partition "sales_dec2022"
+ALTER TABLE sales_range SPLIT PARTITION sales_others INTO
+ (PARTITION sales_dec2022 FOR VALUES FROM (20211201) TO (20220101),
+ PARTITION sales_error FOR VALUES FROM (20211201) TO (20220101),
+ PARTITION sales_feb2022 FOR VALUES FROM (20220201) TO (20220301),
+ PARTITION sales_others DEFAULT);
+
+-- ERROR: any partition in the list should be DEFAULT because split partition is DEFAULT
+ALTER TABLE sales_range SPLIT PARTITION sales_others INTO
+ (PARTITION sales_dec2022 FOR VALUES FROM (20211201) TO (20220101),
+ PARTITION sales_jan2022 FOR VALUES FROM (20220101) TO (20220201),
+ PARTITION sales_feb2022 FOR VALUES FROM (20220201) TO (20220301));
+
+-- no error: bounds of sales_noerror between sales_dec2022 and sales_feb2022
+ALTER TABLE sales_range SPLIT PARTITION sales_others INTO
+ (PARTITION sales_dec2022 FOR VALUES FROM (20211201) TO (20220101),
+ PARTITION sales_noerror FOR VALUES FROM (20220110) TO (20220120),
+ PARTITION sales_feb2022 FOR VALUES FROM (20220201) TO (20220301),
+ PARTITION sales_others DEFAULT);
+
+DROP TABLE sales_range;
+
+CREATE TABLE sales_range (salesman_id INT, salesman_name VARCHAR(30), sales_amount INT, sales_date INT) PARTITION BY RANGE (sales_date);
+CREATE TABLE sales_others PARTITION OF sales_range DEFAULT;
+
+-- no error: bounds of sales_noerror equals to lower and upper bounds of sales_dec2022 and sales_feb2022
+ALTER TABLE sales_range SPLIT PARTITION sales_others INTO
+ (PARTITION sales_dec2022 FOR VALUES FROM (20211201) TO (20220101),
+ PARTITION sales_noerror FOR VALUES FROM (20210101) TO (20210201),
+ PARTITION sales_feb2022 FOR VALUES FROM (20220201) TO (20220301),
+ PARTITION sales_others DEFAULT);
+
+DROP TABLE sales_range;
+
+--
+-- Test: split partition with CHECK and FOREIGN KEY CONSTRAINTs on partitioned table
+--
+CREATE TABLE salesmans(salesman_id INT PRIMARY KEY, salesman_name VARCHAR(30));
+INSERT INTO salesmans VALUES (1, 'Poirot');
+
+CREATE TABLE sales_range (
+salesman_id INT REFERENCES salesmans(salesman_id),
+sales_amount INT CHECK (sales_amount > 1),
+sales_date DATE) PARTITION BY RANGE (sales_date);
+
+CREATE TABLE sales_jan2022 PARTITION OF sales_range FOR VALUES FROM ('2022-01-01') TO ('2022-02-01');
+CREATE TABLE sales_feb_mar_apr2022 PARTITION OF sales_range FOR VALUES FROM ('2022-02-01') TO ('2022-05-01');
+CREATE TABLE sales_others PARTITION OF sales_range DEFAULT;
+
+SELECT pg_get_constraintdef(oid), conname, conkey FROM pg_constraint WHERE conrelid = 'sales_feb_mar_apr2022'::regclass::oid;
+
+ALTER TABLE sales_range SPLIT PARTITION sales_feb_mar_apr2022 INTO
+ (PARTITION sales_feb2022 FOR VALUES FROM ('2022-02-01') TO ('2022-03-01'),
+ PARTITION sales_mar2022 FOR VALUES FROM ('2022-03-01') TO ('2022-04-01'),
+ PARTITION sales_apr2022 FOR VALUES FROM ('2022-04-01') TO ('2022-05-01'));
+
+-- We should see the same CONSTRAINTs as on sales_feb_mar_apr2022 partition
+SELECT pg_get_constraintdef(oid), conname, conkey FROM pg_constraint WHERE conrelid = 'sales_feb2022'::regclass::oid;
+SELECT pg_get_constraintdef(oid), conname, conkey FROM pg_constraint WHERE conrelid = 'sales_mar2022'::regclass::oid;
+SELECT pg_get_constraintdef(oid), conname, conkey FROM pg_constraint WHERE conrelid = 'sales_apr2022'::regclass::oid;
+
+-- ERROR: new row for relation "sales_mar2022" violates check constraint "sales_range_salesman_id_check"
+INSERT INTO sales_range VALUES (1, 0, '2022-03-11');
+-- ERROR: insert or update on table "sales_mar2022" violates foreign key constraint "sales_range_salesman_id_fkey"
+INSERT INTO sales_range VALUES (-1, 10, '2022-03-11');
+-- ok
+INSERT INTO sales_range VALUES (1, 10, '2022-03-11');
+
+DROP TABLE sales_range CASCADE;
+DROP TABLE salesmans CASCADE;
+
+--
+-- Test: split partition on partitioned table in case exists FOREIGN KEY reference from another table
+--
+CREATE TABLE salesmans(salesman_id INT PRIMARY KEY, salesman_name VARCHAR(30)) PARTITION BY RANGE (salesman_id);
+CREATE TABLE sales (salesman_id INT REFERENCES salesmans(salesman_id), sales_amount INT, sales_date DATE);
+
+CREATE TABLE salesmans01_10 PARTITION OF salesmans FOR VALUES FROM (1) TO (10);
+CREATE TABLE salesmans10_40 PARTITION OF salesmans FOR VALUES FROM (10) TO (40);
+
+INSERT INTO salesmans VALUES (1, 'Poirot');
+INSERT INTO salesmans VALUES (10, 'May');
+INSERT INTO salesmans VALUES (19, 'Ivanov');
+INSERT INTO salesmans VALUES (20, 'Smirnoff');
+INSERT INTO salesmans VALUES (30, 'Ford');
+
+INSERT INTO sales VALUES (1, 100, '2022-03-01');
+INSERT INTO sales VALUES (1, 110, '2022-03-02');
+INSERT INTO sales VALUES (10, 150, '2022-03-01');
+INSERT INTO sales VALUES (10, 90, '2022-03-03');
+INSERT INTO sales VALUES (19, 200, '2022-03-04');
+INSERT INTO sales VALUES (20, 50, '2022-03-12');
+INSERT INTO sales VALUES (20, 170, '2022-03-02');
+INSERT INTO sales VALUES (30, 30, '2022-03-04');
+
+SELECT * FROM salesmans01_10;
+SELECT * FROM salesmans10_40;
+
+ALTER TABLE salesmans SPLIT PARTITION salesmans10_40 INTO
+ (PARTITION salesmans10_20 FOR VALUES FROM (10) TO (20),
+ PARTITION salesmans20_30 FOR VALUES FROM (20) TO (30),
+ PARTITION salesmans30_40 FOR VALUES FROM (30) TO (40));
+
+SELECT * FROM salesmans01_10;
+SELECT * FROM salesmans10_20;
+SELECT * FROM salesmans20_30;
+SELECT * FROM salesmans30_40;
+
+-- ERROR: insert or update on table "sales" violates foreign key constraint "sales_salesman_id_fkey"
+INSERT INTO sales VALUES (40, 50, '2022-03-04');
+-- ok
+INSERT INTO sales VALUES (30, 50, '2022-03-04');
+
+DROP TABLE sales CASCADE;
+DROP TABLE salesmans CASCADE;
+
+--
+-- Test: split partition of partitioned table with triggers
+--
+CREATE TABLE salesmans(salesman_id INT PRIMARY KEY, salesman_name VARCHAR(30)) PARTITION BY RANGE (salesman_id);
+
+CREATE TABLE salesmans01_10 PARTITION OF salesmans FOR VALUES FROM (1) TO (10);
+CREATE TABLE salesmans10_40 PARTITION OF salesmans FOR VALUES FROM (10) TO (40);
+
+INSERT INTO salesmans VALUES (1, 'Poirot');
+
+CREATE OR REPLACE FUNCTION after_insert_row_trigger() RETURNS trigger LANGUAGE 'plpgsql' AS $BODY$
+BEGIN
+ RAISE NOTICE 'trigger(%) called: action = %, when = %, level = %', TG_ARGV[0], TG_OP, TG_WHEN, TG_LEVEL;
+ RETURN NULL;
+END;
+$BODY$;
+
+CREATE TRIGGER salesmans_after_insert_statement_trigger
+ AFTER INSERT
+ ON salesmans
+ FOR EACH STATEMENT
+ EXECUTE PROCEDURE after_insert_row_trigger('salesmans');
+
+CREATE TRIGGER salesmans_after_insert_row_trigger
+ AFTER INSERT
+ ON salesmans
+ FOR EACH ROW
+ EXECUTE PROCEDURE after_insert_row_trigger('salesmans');
+
+-- 2 triggers should fire here (row + statement):
+INSERT INTO salesmans VALUES (10, 'May');
+-- 1 trigger should fire here (row):
+INSERT INTO salesmans10_40 VALUES (19, 'Ivanov');
+
+ALTER TABLE salesmans SPLIT PARTITION salesmans10_40 INTO
+ (PARTITION salesmans10_20 FOR VALUES FROM (10) TO (20),
+ PARTITION salesmans20_30 FOR VALUES FROM (20) TO (30),
+ PARTITION salesmans30_40 FOR VALUES FROM (30) TO (40));
+
+-- 2 triggers should fire here (row + statement):
+INSERT INTO salesmans VALUES (20, 'Smirnoff');
+-- 1 trigger should fire here (row):
+INSERT INTO salesmans30_40 VALUES (30, 'Ford');
+
+SELECT * FROM salesmans01_10;
+SELECT * FROM salesmans10_20;
+SELECT * FROM salesmans20_30;
+SELECT * FROM salesmans30_40;
+
+DROP TABLE salesmans CASCADE;
+DROP FUNCTION after_insert_row_trigger();
+
+--
+-- Test: split partition witch identity column
+-- If split partition column is identity-column, columns of new partitions are identity-columns too.
+--
+CREATE TABLE salesmans(salesman_id INT GENERATED ALWAYS AS IDENTITY PRIMARY KEY, salesman_name VARCHAR(30)) PARTITION BY RANGE (salesman_id);
+
+CREATE TABLE salesmans1_2 PARTITION OF salesmans FOR VALUES FROM (1) TO (2);
+-- Create new partition with identity-column:
+CREATE TABLE salesmans2_5(salesman_id INT NOT NULL, salesman_name VARCHAR(30));
+ALTER TABLE salesmans ATTACH PARTITION salesmans2_5 FOR VALUES FROM (2) TO (5);
+
+INSERT INTO salesmans (salesman_name) VALUES ('Poirot');
+INSERT INTO salesmans (salesman_name) VALUES ('Ivanov');
+
+SELECT attname, attidentity, attgenerated FROM pg_attribute WHERE attnum > 0 AND attrelid = 'salesmans'::regclass::oid;
+SELECT attname, attidentity, attgenerated FROM pg_attribute WHERE attnum > 0 AND attrelid = 'salesmans1_2'::regclass::oid;
+-- Split partition has identity-column:
+SELECT attname, attidentity, attgenerated FROM pg_attribute WHERE attnum > 0 AND attrelid = 'salesmans2_5'::regclass::oid;
+
+ALTER TABLE salesmans SPLIT PARTITION salesmans2_5 INTO
+ (PARTITION salesmans2_3 FOR VALUES FROM (2) TO (3),
+ PARTITION salesmans3_4 FOR VALUES FROM (3) TO (4),
+ PARTITION salesmans4_5 FOR VALUES FROM (4) TO (5));
+
+INSERT INTO salesmans (salesman_name) VALUES ('May');
+INSERT INTO salesmans (salesman_name) VALUES ('Ford');
+
+SELECT * FROM salesmans1_2;
+SELECT * FROM salesmans2_3;
+SELECT * FROM salesmans3_4;
+SELECT * FROM salesmans4_5;
+
+SELECT attname, attidentity, attgenerated FROM pg_attribute WHERE attnum > 0 AND attrelid = 'salesmans'::regclass::oid;
+SELECT attname, attidentity, attgenerated FROM pg_attribute WHERE attnum > 0 AND attrelid = 'salesmans1_2'::regclass::oid;
+-- New partitions have identity-columns:
+SELECT attname, attidentity, attgenerated FROM pg_attribute WHERE attnum > 0 AND attrelid = 'salesmans2_3'::regclass::oid;
+SELECT attname, attidentity, attgenerated FROM pg_attribute WHERE attnum > 0 AND attrelid = 'salesmans3_4'::regclass::oid;
+SELECT attname, attidentity, attgenerated FROM pg_attribute WHERE attnum > 0 AND attrelid = 'salesmans4_5'::regclass::oid;
+
+DROP TABLE salesmans CASCADE;
+
+--
+-- Test: split partition with deleted columns
+--
+CREATE TABLE salesmans(salesman_id INT PRIMARY KEY, salesman_name VARCHAR(30)) PARTITION BY RANGE (salesman_id);
+
+CREATE TABLE salesmans01_10 PARTITION OF salesmans FOR VALUES FROM (1) TO (10);
+-- Create new partition with some deleted columns:
+CREATE TABLE salesmans10_40(d1 VARCHAR(30), salesman_id INT PRIMARY KEY, d2 INT, d3 DATE, salesman_name VARCHAR(30));
+
+INSERT INTO salesmans10_40 VALUES ('dummy value 1', 19, 100, now(), 'Ivanov');
+INSERT INTO salesmans10_40 VALUES ('dummy value 2', 20, 101, now(), 'Smirnoff');
+
+ALTER TABLE salesmans10_40 DROP COLUMN d1;
+ALTER TABLE salesmans10_40 DROP COLUMN d2;
+ALTER TABLE salesmans10_40 DROP COLUMN d3;
+
+ALTER TABLE salesmans ATTACH PARTITION salesmans10_40 FOR VALUES FROM (10) TO (40);
+
+INSERT INTO salesmans VALUES (1, 'Poirot');
+INSERT INTO salesmans VALUES (10, 'May');
+INSERT INTO salesmans VALUES (30, 'Ford');
+
+ALTER TABLE salesmans SPLIT PARTITION salesmans10_40 INTO
+ (PARTITION salesmans10_20 FOR VALUES FROM (10) TO (20),
+ PARTITION salesmans20_30 FOR VALUES FROM (20) TO (30),
+ PARTITION salesmans30_40 FOR VALUES FROM (30) TO (40));
+
+select * from salesmans01_10;
+select * from salesmans10_20;
+select * from salesmans20_30;
+select * from salesmans30_40;
+
+DROP TABLE salesmans CASCADE;
+
+--
+-- Test: split sub-partition
+--
+CREATE TABLE sales_range (salesman_id INT, salesman_name VARCHAR(30), sales_amount INT, sales_date DATE) PARTITION BY RANGE (sales_date);
+CREATE TABLE sales_jan2022 PARTITION OF sales_range FOR VALUES FROM ('2022-01-01') TO ('2022-02-01');
+CREATE TABLE sales_feb2022 PARTITION OF sales_range FOR VALUES FROM ('2022-02-01') TO ('2022-03-01');
+CREATE TABLE sales_mar2022 PARTITION OF sales_range FOR VALUES FROM ('2022-03-01') TO ('2022-04-01');
+
+CREATE TABLE sales_apr2022 (salesman_id INT, salesman_name VARCHAR(30), sales_amount INT, sales_date DATE) PARTITION BY RANGE (sales_date);
+CREATE TABLE sales_apr_all PARTITION OF sales_apr2022 FOR VALUES FROM ('2022-04-01') TO ('2022-05-01');
+ALTER TABLE sales_range ATTACH PARTITION sales_apr2022 FOR VALUES FROM ('2022-04-01') TO ('2022-05-01');
+
+CREATE TABLE sales_others PARTITION OF sales_range DEFAULT;
+
+CREATE INDEX sales_range_sales_date_idx ON sales_range USING btree (sales_date);
+
+INSERT INTO sales_range VALUES (1, 'May', 1000, '2022-01-31');
+INSERT INTO sales_range VALUES (2, 'Smirnoff', 500, '2022-02-10');
+INSERT INTO sales_range VALUES (3, 'Ford', 2000, '2022-04-30');
+INSERT INTO sales_range VALUES (4, 'Ivanov', 750, '2022-04-13');
+INSERT INTO sales_range VALUES (5, 'Deev', 250, '2022-04-07');
+INSERT INTO sales_range VALUES (6, 'Poirot', 150, '2022-02-11');
+INSERT INTO sales_range VALUES (7, 'Li', 175, '2022-03-08');
+INSERT INTO sales_range VALUES (8, 'Ericsson', 185, '2022-02-23');
+INSERT INTO sales_range VALUES (9, 'Muller', 250, '2022-03-11');
+INSERT INTO sales_range VALUES (10, 'Halder', 350, '2022-01-28');
+INSERT INTO sales_range VALUES (11, 'Trump', 380, '2022-04-06');
+INSERT INTO sales_range VALUES (12, 'Plato', 350, '2022-03-19');
+INSERT INTO sales_range VALUES (13, 'Gandi', 377, '2022-01-09');
+INSERT INTO sales_range VALUES (14, 'Smith', 510, '2022-05-04');
+
+SELECT * FROM sales_range;
+SELECT * FROM sales_apr2022;
+
+ALTER TABLE sales_apr2022 SPLIT PARTITION sales_apr_all INTO
+ (PARTITION sales_apr2022_01_10 FOR VALUES FROM ('2022-04-01') TO ('2022-04-10'),
+ PARTITION sales_apr2022_10_20 FOR VALUES FROM ('2022-04-10') TO ('2022-04-20'),
+ PARTITION sales_apr2022_20_30 FOR VALUES FROM ('2022-04-20') TO ('2022-05-01'));
+
+SELECT * FROM sales_range;
+SELECT * FROM sales_apr2022;
+SELECT * FROM sales_apr2022_01_10;
+SELECT * FROM sales_apr2022_10_20;
+SELECT * FROM sales_apr2022_20_30;
+
+DROP TABLE sales_range;
+
+--
+-- BY LIST partitioning
+--
+
+--
+-- Test: specific errors for BY LIST partitioning
+--
+CREATE TABLE sales_list
+(salesman_id INT,
+ salesman_name VARCHAR(30),
+ sales_state VARCHAR(20),
+ sales_amount INT,
+ sales_date DATE)
+PARTITION BY LIST (sales_state);
+
+CREATE TABLE sales_nord PARTITION OF sales_list FOR VALUES IN ('Oslo', 'St. Petersburg', 'Helsinki');
+CREATE TABLE sales_all PARTITION OF sales_list FOR VALUES IN ('Warsaw', 'Lisbon', 'New York', 'Madrid', 'Bejing', 'Berlin', 'Delhi', 'Kyiv', 'Vladivostok');
+CREATE TABLE sales_others PARTITION OF sales_list DEFAULT;
+
+-- ERROR: partition "sales_east" would overlap partition "sales_nord"
+ALTER TABLE sales_list SPLIT PARTITION sales_all INTO
+ (PARTITION sales_west FOR VALUES IN ('Lisbon', 'New York', 'Madrid'),
+ PARTITION sales_east FOR VALUES IN ('Bejing', 'Delhi', 'Vladivostok', 'Helsinki'),
+ PARTITION sales_central FOR VALUES IN ('Warsaw', 'Berlin', 'Kyiv'));
+
+-- ERROR: new partition "sales_west" would overlap with another new partition "sales_central"
+ALTER TABLE sales_list SPLIT PARTITION sales_all INTO
+ (PARTITION sales_west FOR VALUES IN ('Lisbon', 'New York', 'Madrid'),
+ PARTITION sales_east FOR VALUES IN ('Bejing', 'Delhi', 'Vladivostok'),
+ PARTITION sales_central FOR VALUES IN ('Warsaw', 'Berlin', 'Lisbon', 'Kyiv'));
+
+-- ERROR: new partition "sales_west" cannot have NULL value because split partition does not have
+ALTER TABLE sales_list SPLIT PARTITION sales_all INTO
+ (PARTITION sales_west FOR VALUES IN ('Lisbon', 'New York', 'Madrid', NULL),
+ PARTITION sales_east FOR VALUES IN ('Bejing', 'Delhi', 'Vladivostok'),
+ PARTITION sales_central FOR VALUES IN ('Warsaw', 'Berlin', 'Kyiv'));
+
+DROP TABLE sales_list;
+
+--
+-- Test: two specific errors for BY LIST partitioning:
+-- * new partitions not has NULL value that split partition has.
+-- * new partitions not has a value that split partition has.
+--
+CREATE TABLE sales_list
+(salesman_id INT,
+ salesman_name VARCHAR(30),
+ sales_state VARCHAR(20),
+ sales_amount INT,
+ sales_date DATE)
+PARTITION BY LIST (sales_state);
+
+CREATE TABLE sales_nord PARTITION OF sales_list FOR VALUES IN ('Helsinki', 'St. Petersburg', 'Oslo');
+CREATE TABLE sales_all PARTITION OF sales_list FOR VALUES IN ('Warsaw', 'Lisbon', 'New York', 'Madrid', 'Bejing', 'Berlin', 'Delhi', 'Kyiv', 'Vladivostok', NULL);
+
+-- ERROR: new partitions not have value NULL but split partition has
+ALTER TABLE sales_list SPLIT PARTITION sales_all INTO
+ (PARTITION sales_west FOR VALUES IN ('Lisbon', 'New York', 'Madrid'),
+ PARTITION sales_east FOR VALUES IN ('Bejing', 'Delhi', 'Vladivostok'),
+ PARTITION sales_central FOR VALUES IN ('Warsaw', 'Berlin', 'Kyiv'));
+
+-- ERROR: new partitions not have value 'Kyiv' but split partition has
+ALTER TABLE sales_list SPLIT PARTITION sales_all INTO
+ (PARTITION sales_west FOR VALUES IN ('Lisbon', 'New York', 'Madrid'),
+ PARTITION sales_east FOR VALUES IN ('Bejing', 'Delhi', 'Vladivostok'),
+ PARTITION sales_central FOR VALUES IN ('Warsaw', 'Berlin', NULL));
+
+DROP TABLE sales_list;
+
+--
+-- Test: BY LIST partitioning, SPLIT PARTITION with data
+--
+CREATE TABLE sales_list
+(salesman_id SERIAL,
+ salesman_name VARCHAR(30),
+ sales_state VARCHAR(20),
+ sales_amount INT,
+ sales_date DATE)
+PARTITION BY LIST (sales_state);
+
+CREATE INDEX sales_list_salesman_name_idx ON sales_list USING btree (salesman_name);
+CREATE INDEX sales_list_sales_state_idx ON sales_list USING btree (sales_state);
+
+CREATE TABLE sales_nord PARTITION OF sales_list FOR VALUES IN ('Helsinki', 'St. Petersburg', 'Oslo');
+CREATE TABLE sales_all PARTITION OF sales_list FOR VALUES IN ('Warsaw', 'Lisbon', 'New York', 'Madrid', 'Bejing', 'Berlin', 'Delhi', 'Kyiv', 'Vladivostok');
+CREATE TABLE sales_others PARTITION OF sales_list DEFAULT;
+
+INSERT INTO sales_list (salesman_name, sales_state, sales_amount, sales_date) VALUES ('Trump', 'Bejing', 1000, '2022-03-01');
+INSERT INTO sales_list (salesman_name, sales_state, sales_amount, sales_date) VALUES ('Smirnoff', 'New York', 500, '2022-03-03');
+INSERT INTO sales_list (salesman_name, sales_state, sales_amount, sales_date) VALUES ('Ford', 'St. Petersburg', 2000, '2022-03-05');
+INSERT INTO sales_list (salesman_name, sales_state, sales_amount, sales_date) VALUES ('Ivanov', 'Warsaw', 750, '2022-03-04');
+INSERT INTO sales_list (salesman_name, sales_state, sales_amount, sales_date) VALUES ('Deev', 'Lisbon', 250, '2022-03-07');
+INSERT INTO sales_list (salesman_name, sales_state, sales_amount, sales_date) VALUES ('Poirot', 'Berlin', 1000, '2022-03-01');
+INSERT INTO sales_list (salesman_name, sales_state, sales_amount, sales_date) VALUES ('May', 'Oslo', 1200, '2022-03-06');
+INSERT INTO sales_list (salesman_name, sales_state, sales_amount, sales_date) VALUES ('Li', 'Vladivostok', 1150, '2022-03-09');
+INSERT INTO sales_list (salesman_name, sales_state, sales_amount, sales_date) VALUES ('May', 'Oslo', 1200, '2022-03-11');
+INSERT INTO sales_list (salesman_name, sales_state, sales_amount, sales_date) VALUES ('Halder', 'Helsinki', 800, '2022-03-02');
+INSERT INTO sales_list (salesman_name, sales_state, sales_amount, sales_date) VALUES ('Muller', 'Madrid', 650, '2022-03-05');
+INSERT INTO sales_list (salesman_name, sales_state, sales_amount, sales_date) VALUES ('Smith', 'Kyiv', 350, '2022-03-10');
+INSERT INTO sales_list (salesman_name, sales_state, sales_amount, sales_date) VALUES ('Gandi', 'Warsaw', 150, '2022-03-08');
+INSERT INTO sales_list (salesman_name, sales_state, sales_amount, sales_date) VALUES ('Plato', 'Lisbon', 950, '2022-03-05');
+
+ALTER TABLE sales_list SPLIT PARTITION sales_all INTO
+ (PARTITION sales_west FOR VALUES IN ('Lisbon', 'New York', 'Madrid'),
+ PARTITION sales_east FOR VALUES IN ('Bejing', 'Delhi', 'Vladivostok'),
+ PARTITION sales_central FOR VALUES IN ('Warsaw', 'Berlin', 'Kyiv'));
+
+SELECT * FROM sales_list;
+SELECT * FROM sales_west;
+SELECT * FROM sales_east;
+SELECT * FROM sales_nord;
+SELECT * FROM sales_central;
+
+-- Use indexscan for test indexes after split partition
+SET enable_indexscan = ON;
+SET enable_seqscan = OFF;
+
+SELECT * FROM sales_central WHERE sales_state = 'Warsaw';
+SELECT * FROM sales_list WHERE sales_state = 'Warsaw';
+SELECT * FROM sales_list WHERE salesman_name = 'Ivanov';
+
+SET enable_indexscan = ON;
+SET enable_seqscan = ON;
+
+DROP TABLE sales_list;
+
+--
+-- Test for:
+-- * split DEFAULT partition to partitions with spaces between bounds;
+-- * random order of partitions in SPLIT PARTITION command.
+--
+CREATE TABLE sales_range (salesman_id INT, salesman_name VARCHAR(30), sales_amount INT, sales_date DATE) PARTITION BY RANGE (sales_date);
+CREATE TABLE sales_others PARTITION OF sales_range DEFAULT;
+
+INSERT INTO sales_range VALUES (1, 'May', 1000, '2022-01-31');
+INSERT INTO sales_range VALUES (2, 'Smirnoff', 500, '2022-02-09');
+INSERT INTO sales_range VALUES (3, 'Ford', 2000, '2022-04-30');
+INSERT INTO sales_range VALUES (4, 'Ivanov', 750, '2022-04-13');
+INSERT INTO sales_range VALUES (5, 'Deev', 250, '2022-04-07');
+INSERT INTO sales_range VALUES (6, 'Poirot', 150, '2022-02-07');
+INSERT INTO sales_range VALUES (7, 'Li', 175, '2022-03-08');
+INSERT INTO sales_range VALUES (8, 'Ericsson', 185, '2022-02-23');
+INSERT INTO sales_range VALUES (9, 'Muller', 250, '2022-03-11');
+INSERT INTO sales_range VALUES (10, 'Halder', 350, '2022-01-28');
+INSERT INTO sales_range VALUES (11, 'Trump', 380, '2022-04-06');
+INSERT INTO sales_range VALUES (12, 'Plato', 350, '2022-03-19');
+INSERT INTO sales_range VALUES (13, 'Gandi', 377, '2022-01-09');
+INSERT INTO sales_range VALUES (14, 'Smith', 510, '2022-05-04');
+
+ALTER TABLE sales_range SPLIT PARTITION sales_others INTO
+ (PARTITION sales_others DEFAULT,
+ PARTITION sales_mar2022_1decade FOR VALUES FROM ('2022-03-01') TO ('2022-03-10'),
+ PARTITION sales_jan2022_1decade FOR VALUES FROM ('2022-01-01') TO ('2022-01-10'),
+ PARTITION sales_feb2022_1decade FOR VALUES FROM ('2022-02-01') TO ('2022-02-10'),
+ PARTITION sales_apr2022_1decade FOR VALUES FROM ('2022-04-01') TO ('2022-04-10'));
+
+SELECT * FROM sales_jan2022_1decade;
+SELECT * FROM sales_feb2022_1decade;
+SELECT * FROM sales_mar2022_1decade;
+SELECT * FROM sales_apr2022_1decade;
+SELECT * FROM sales_others;
+
+DROP TABLE sales_range;
+
+--
+-- Test for:
+-- * split non-DEFAULT partition to partitions with spaces between bounds;
+-- * random order of partitions in SPLIT PARTITION command.
+--
+CREATE TABLE sales_range (salesman_id INT, salesman_name VARCHAR(30), sales_amount INT, sales_date DATE) PARTITION BY RANGE (sales_date);
+CREATE TABLE sales_all PARTITION OF sales_range FOR VALUES FROM ('2022-01-01') TO ('2022-05-01');
+CREATE TABLE sales_others PARTITION OF sales_range DEFAULT;
+
+INSERT INTO sales_range VALUES (1, 'May', 1000, '2022-01-31');
+INSERT INTO sales_range VALUES (2, 'Smirnoff', 500, '2022-02-09');
+INSERT INTO sales_range VALUES (3, 'Ford', 2000, '2022-04-30');
+INSERT INTO sales_range VALUES (4, 'Ivanov', 750, '2022-04-13');
+INSERT INTO sales_range VALUES (5, 'Deev', 250, '2022-04-07');
+INSERT INTO sales_range VALUES (6, 'Poirot', 150, '2022-02-07');
+INSERT INTO sales_range VALUES (7, 'Li', 175, '2022-03-08');
+INSERT INTO sales_range VALUES (8, 'Ericsson', 185, '2022-02-23');
+INSERT INTO sales_range VALUES (9, 'Muller', 250, '2022-03-11');
+INSERT INTO sales_range VALUES (10, 'Halder', 350, '2022-01-28');
+INSERT INTO sales_range VALUES (11, 'Trump', 380, '2022-04-06');
+INSERT INTO sales_range VALUES (12, 'Plato', 350, '2022-03-19');
+INSERT INTO sales_range VALUES (13, 'Gandi', 377, '2022-01-09');
+INSERT INTO sales_range VALUES (14, 'Smith', 510, '2022-05-04');
+
+ALTER TABLE sales_range SPLIT PARTITION sales_all INTO
+ (PARTITION sales_mar2022_1decade FOR VALUES FROM ('2022-03-01') TO ('2022-03-10'),
+ PARTITION sales_jan2022_1decade FOR VALUES FROM ('2022-01-01') TO ('2022-01-10'),
+ PARTITION sales_feb2022_1decade FOR VALUES FROM ('2022-02-01') TO ('2022-02-10'),
+ PARTITION sales_apr2022_1decade FOR VALUES FROM ('2022-04-01') TO ('2022-04-10'));
+
+SELECT * FROM sales_jan2022_1decade;
+SELECT * FROM sales_feb2022_1decade;
+SELECT * FROM sales_mar2022_1decade;
+SELECT * FROM sales_apr2022_1decade;
+SELECT * FROM sales_others;
+
+DROP TABLE sales_range;
+
+--
+-- Test for split non-DEFAULT partition to DEFAULT partition + partitions
+-- with spaces between bounds.
+--
+CREATE TABLE sales_range (salesman_id INT, salesman_name VARCHAR(30), sales_amount INT, sales_date DATE) PARTITION BY RANGE (sales_date);
+CREATE TABLE sales_jan2022 PARTITION OF sales_range FOR VALUES FROM ('2022-01-01') TO ('2022-02-01');
+CREATE TABLE sales_all PARTITION OF sales_range FOR VALUES FROM ('2022-02-01') TO ('2022-05-01');
+
+INSERT INTO sales_range VALUES (1, 'May', 1000, '2022-01-31');
+INSERT INTO sales_range VALUES (2, 'Smirnoff', 500, '2022-02-10');
+INSERT INTO sales_range VALUES (3, 'Ford', 2000, '2022-04-30');
+INSERT INTO sales_range VALUES (4, 'Ivanov', 750, '2022-04-13');
+INSERT INTO sales_range VALUES (5, 'Deev', 250, '2022-04-07');
+INSERT INTO sales_range VALUES (6, 'Poirot', 150, '2022-02-11');
+INSERT INTO sales_range VALUES (7, 'Li', 175, '2022-03-08');
+INSERT INTO sales_range VALUES (8, 'Ericsson', 185, '2022-02-23');
+INSERT INTO sales_range VALUES (9, 'Muller', 250, '2022-03-11');
+INSERT INTO sales_range VALUES (10, 'Halder', 350, '2022-01-28');
+INSERT INTO sales_range VALUES (11, 'Trump', 380, '2022-04-06');
+INSERT INTO sales_range VALUES (12, 'Plato', 350, '2022-03-19');
+INSERT INTO sales_range VALUES (13, 'Gandi', 377, '2022-01-09');
+
+ALTER TABLE sales_range SPLIT PARTITION sales_all INTO
+ (PARTITION sales_apr2022 FOR VALUES FROM ('2022-04-01') TO ('2022-05-01'),
+ PARTITION sales_feb2022 FOR VALUES FROM ('2022-02-01') TO ('2022-03-01'),
+ PARTITION sales_others DEFAULT);
+
+INSERT INTO sales_range VALUES (14, 'Smith', 510, '2022-05-04');
+
+SELECT * FROM sales_range;
+SELECT * FROM sales_jan2022;
+SELECT * FROM sales_feb2022;
+SELECT * FROM sales_apr2022;
+SELECT * FROM sales_others;
+
+DROP TABLE sales_range;
+
+--
+DROP SCHEMA partition_split_schema;
SpinDelayStatus
SplitInterval
SplitLR
+SplitPartitionContext
SplitPageLayout
SplitPoint
SplitTextOutputData
projects / postgresql.git / commitdiff