-/* $Header: /cvsroot/pgsql/src/interfaces/ecpg/preproc/Attic/preproc.y,v 1.190.2.1 2002/07/01 07:10:10 meskes Exp $ */
+/* $Header: /cvsroot/pgsql/src/interfaces/ecpg/preproc/Attic/preproc.y,v 1.190.2.2 2002/07/21 11:16:07 meskes Exp $ */
/* Copyright comment */
%{
/* ordinary key words in alphabetical order */
%token <keyword> ABORT_TRANS, ABSOLUTE, ACCESS, ACTION, ADD, AFTER,
AGGREGATE, ALL, ALTER, ANALYSE, ANALYZE, AND, ANY, AS, ASC, ASSERTION,
- AT, AUTHORIZATION,
+ ASSIGNMENT, ASYMMETRIC, AT, AUTHORIZATION,
BACKWARD, BEFORE, BEGIN_TRANS, BETWEEN, BIGINT, BINARY, BIT, BOTH,
BOOLEAN, BY,
CACHE, CALLED, CASCADE, CASE, CAST, CHAIN, CHAR_P, CHARACTER,
CHARACTERISTICS, CHECK, CHECKPOINT, CLOSE, CLUSTER, COALESCE, COLLATE,
- COLUMN, COMMENT, COMMIT, COMMITTED, CONSTRAINT, CONSTRAINTS, COPY,
+ COLUMN, COMMENT, COMMIT, COMMITTED, CONSTRAINT, CONSTRAINTS, CONVERSION_P, COPY,
CREATE, CREATEDB, CREATEUSER, CROSS, CURRENT_DATE, CURRENT_TIME,
CURRENT_TIMESTAMP, CURRENT_USER, CURSOR, CYCLE,
DATABASE, DAY_P, DEC, DECIMAL, DECLARE, DEFAULT, DEFERRABLE, DEFERRED,
- DEFINER, DELETE_P, DELIMITERS, DESC, DISTINCT, DO, DOMAIN_P, DOUBLE, DROP,
+ DEFINER, DELETE_P, DELIMITER, DELIMITERS, DESC, DISTINCT, DO, DOMAIN_P, DOUBLE, DROP,
EACH, ELSE, ENCODING, ENCRYPTED, END_TRANS, ESCAPE, EXCEPT, EXCLUSIVE,
EXECUTE, EXISTS, EXPLAIN, EXTERNAL, EXTRACT,
NUMERIC,
OF, OFF, OFFSET, OIDS, OLD, ON, ONLY, OPERATOR, OPTION, OR, ORDER,
- OUT_P, OUTER_P, OVERLAPS, OWNER,
+ OUT_P, OUTER_P, OVERLAPS, OVERLAY, OWNER,
- PARTIAL, PASSWORD, PATH_P, PENDANT, POSITION, PRECISION, PRIMARY,
+ PARTIAL, PASSWORD, PATH_P, PENDANT, PLACING, POSITION, PRECISION, PRIMARY,
PRIOR, PRIVILEGES, PROCEDURE, PROCEDURAL,
READ, REAL, REFERENCES, REINDEX, RELATIVE, RENAME, REPLACE, RESET,
RESTRICT, RETURNS, REVOKE, RIGHT, ROLLBACK, ROW, RULE,
SCHEMA, SCROLL, SECOND_P, SECURITY, SELECT, SEQUENCE, SERIALIZABLE,
- SESSION, SESSION_USER, SET, SETOF, SHARE, SHOW, SMALLINT, SOME,
+ SESSION, SESSION_USER, SET, SETOF, SHARE, SHOW, SIMILAR, SIMPLE, SMALLINT, SOME,
STABLE, START, STATEMENT, STATISTICS, STDIN, STDOUT, STORAGE, STRICT,
- SUBSTRING, SYSID,
+ SUBSTRING, SYMMETRIC, SYSID,
TABLE, TEMP, TEMPLATE, TEMPORARY, THEN, TIME, TIMESTAMP, TO, TOAST,
- TRAILING, TRANSACTION, TRIGGER, TRIM, TRUE_P, TRUNCATE, TRUSTED, TYPE_P,
+ TRAILING, TRANSACTION, TREAT, TRIGGER, TRIM, TRUE_P, TRUNCATE, TRUSTED, TYPE_P,
UNENCRYPTED, UNION, UNIQUE, UNKNOWN, UNLISTEN, UNTIL, UPDATE, USAGE,
USER, USING,
VACUUM, VALID, VALUES, VARCHAR, VARYING, VERBOSE, VERSION, VIEW, VOLATILE,
- WHEN, WHERE, WITH, WITHOUT, WORK,
+ WHEN, WHERE, WITH, WITHOUT, WORK, WRITE,
YEAR_P,
ZONE
%token <ival> ICONST PARAM
%token <dval> FCONST
-/* these are not real. they are here so that they get generated as #define's*/
-%token OP
-
/* precedence: lowest to highest */
%left UNION EXCEPT
%left INTERSECT
%right NOT
%right '='
%nonassoc '<' '>'
-%nonassoc LIKE ILIKE
+%nonassoc LIKE ILIKE SIMILAR
%nonassoc ESCAPE
%nonassoc OVERLAPS
-%nonassoc BETWEEN
+%nonassoc BETWEEN DISTINCT
%nonassoc IN_P
-%left POSTFIXOP /* dummy for postfix Op rules */
-%left Op /* multi-character ops and user-defined operators */
+%left POSTFIXOP /* dummy for postfix Op rules */
+%left Op OPERATOR /* multi-character ops and user-defined operators */
%nonassoc NOTNULL
%nonassoc ISNULL
%nonassoc IS NULL_P TRUE_P FALSE_P UNKNOWN
%type <str> Iconst Fconst Sconst TransactionStmt CreateStmt UserId
%type <str> CreateAsElement OptCreateAs CreateAsList CreateAsStmt
-%type <str> key_reference comment_text ConstraintDeferrabilitySpec
+%type <str> comment_text ConstraintDeferrabilitySpec
%type <str> key_match ColLabel SpecialRuleRelation ColId columnDef
%type <str> ColConstraint ColConstraintElem drop_type Bitconst
%type <str> OptTableElementList OptTableElement TableConstraint
%type <str> in_expr_nodes a_expr b_expr TruncateStmt CommentStmt
%type <str> opt_indirection expr_list extract_list extract_arg
%type <str> position_list substr_list substr_from alter_column_default
-%type <str> trim_list in_expr substr_for attrs drop_behavior
+%type <str> trim_list in_expr substr_for attrs opt_symmetry
%type <str> Typename SimpleTypename Generic Numeric opt_float opt_numeric
%type <str> opt_decimal Character character opt_varying opt_charset
%type <str> opt_collate opt_timezone opt_interval table_ref
-%type <str> row_expr row_descriptor row_list ConstDatetime opt_chain
+%type <str> row_descriptor row_list ConstDatetime opt_chain
%type <str> SelectStmt into_clause OptTemp ConstraintAttributeSpec
%type <str> opt_table opt_all sort_clause sortby_list ConstraintAttr
%type <str> sortby OptUseOp qualified_name_list name_list ColId_or_Sconst
%type <str> join_outer where_clause relation_expr sub_type opt_arg
%type <str> opt_column_list insert_rest InsertStmt OptimizableStmt
%type <str> columnList DeleteStmt LockStmt UpdateStmt CursorStmt
-%type <str> NotifyStmt columnElem copy_dirn UnlistenStmt copy_null
+%type <str> NotifyStmt columnElem UnlistenStmt
%type <str> copy_delimiter ListenStmt CopyStmt copy_file_name opt_binary
-%type <str> opt_with_copy FetchStmt direction fetch_how_many from_in
+%type <str> FetchStmt direction fetch_how_many from_in
%type <str> ClosePortalStmt DropStmt VacuumStmt AnalyzeStmt opt_verbose
%type <str> opt_full func_arg OptWithOids opt_freeze opt_ecpg_into
%type <str> analyze_keyword opt_name_list ExplainStmt index_params
%type <str> index_list func_index index_elem opt_class access_method_clause
%type <str> index_opt_unique IndexStmt func_return ConstInterval
-%type <str> func_args_list func_args opt_with def_arg
+%type <str> func_args_list func_args opt_with def_arg overlay_placing
%type <str> def_elem def_list definition DefineStmt select_with_parens
%type <str> opt_instead event RuleActionList opt_using CreateAssertStmt
%type <str> RuleActionStmtOrEmpty RuleActionMulti func_as reindex_type
%type <str> RemoveAggrStmt opt_procedural select_no_parens
%type <str> RemoveOperStmt RenameStmt all_Op opt_Trusted opt_lancompiler
%type <str> VariableSetStmt var_value zone_value VariableShowStmt
-%type <str> VariableResetStmt AlterTableStmt from_list
+%type <str> VariableResetStmt AlterTableStmt from_list overlay_list
%type <str> opt_trans user_list OptUserList OptUserElem relation_name
%type <str> CreateUserStmt AlterUserStmt CreateSeqStmt OptSeqList
%type <str> OptSeqElem TriggerForSpec TriggerForOpt TriggerForType
%type <str> insert_target_list insert_column_item DropRuleStmt
%type <str> createfunc_opt_item set_rest var_list_or_default
%type <str> CreateFunctionStmt createfunc_opt_list func_table
-%type <str> DropUserStmt
+%type <str> DropUserStmt copy_from copy_opt_list opt_mode copy_opt_item
+%type <str> opt_oids TableLikeClause key_action opt_definition
+%type <str> opt_assignment row r_expr qual_Op qual_all_Op opt_default
+%type <str> CreateConversionStmt any_operator
%type <str> ECPGWhenever ECPGConnect connection_target ECPGOpen
%type <str> indicator ECPGExecute ECPGPrepare ecpg_using ecpg_into
%type <ival> Iresult
-%token YYERROR_VERBOSE
%%
prog: statements;
| VariableResetStmt { output_statement($1, 0, connection); }
| ConstraintsSetStmt { output_statement($1, 0, connection); }
| CheckPointStmt { output_statement($1, 0, connection); }
+ | CreateConversionStmt { output_statement($1, 0, connection); }
| ECPGAllocateDescr
{
fprintf(yyout,"ECPGallocate_desc(__LINE__, %s);",$1);
{ $$ = cat2_str(make_str("alter scheme"), $3); }
;
-DropSchemaStmt: DROP SCHEMA ColId
- { $$ = cat2_str(make_str("drop scheme"), $3); }
+DropSchemaStmt: DROP SCHEMA ColId opt_drop_behavior
+ { $$ = cat_str(3, make_str("drop scheme"), $3, $4); }
;
OptSchemaName: ColId { $$ = $1; }
{ $$ = cat_str(3, $1, make_str("="), $3); }
| TIME ZONE zone_value
{ $$ = cat2_str(make_str("time zone"), $3); }
- | TRANSACTION ISOLATION LEVEL opt_level
- { $$ = cat2_str(make_str("transaction isolation level"), $4); }
+ | TRANSACTION ISOLATION LEVEL opt_level opt_mode
+ { $$ = cat_str(3, make_str("transaction isolation level"), $4, $5); }
| SESSION CHARACTERISTICS AS TRANSACTION ISOLATION LEVEL opt_level
{ $$ = cat2_str(make_str("session characteristics as transaction isolation level"), $7); }
| NAMES opt_encoding
| SERIALIZABLE { $$ = make_str("serializable"); }
;
-
+opt_mode: READ WRITE { $$ = make_str("read write"); }
+ | READ ONLY { mmerror(PARSE_ERROR, ET_ERROR, "SET TRANSACTION/READ ONLY is not yet supported");
+ $$ = make_str("read only"); }
+ | /* EMPTY */ { $$ = EMPTY; }
+ ;
+
var_value: opt_boolean { $$ = $1; }
| AllConst { $$ = $1; }
| ColId { $$ = $1; }
* so use IDENT and reject anything which is a reserved word.
*/
zone_value: AllConst { $$ = $1; }
- | IDENT { $$ = $1; }
+ | ident { $$ = $1; }
| ConstInterval StringConst opt_interval
{ $$ = cat_str(3, $1, $2, $3); }
| ConstInterval '(' PosIntConst ')' StringConst opt_interval
| ALTER TABLE relation_expr ALTER opt_column ColId SET STORAGE ColId
{ $$ = cat_str(7, make_str("alter table"), $3, make_str("alter"), $5, $6, make_str("set storage"), $9); }
/* ALTER TABLE <relation> DROP [COLUMN] <colname> {RESTRICT|CASCADE} */
- | ALTER TABLE relation_expr DROP opt_column ColId drop_behavior
+ | ALTER TABLE relation_expr DROP opt_column ColId opt_drop_behavior
{ $$ = cat_str(6, make_str("alter table"), $3, make_str("drop"), $5, $6, $7); }
/* ALTER TABLE <relation> ADD CONSTRAINT ... */
| ALTER TABLE relation_expr ADD TableConstraint
{ $$ = cat_str(4, make_str("alter table"), $3, make_str("add"), $5); }
/* ALTER TABLE <relation> DROP CONSTRAINT ... */
- | ALTER TABLE relation_expr DROP CONSTRAINT name drop_behavior
+ | ALTER TABLE relation_expr DROP CONSTRAINT name opt_drop_behavior
{ $$ = cat_str(5, make_str("alter table"), $3, make_str("drop constraint"), $6, $7); }
/* ALTER TABLE <name> CREATE TOAST TABLE */
| ALTER TABLE qualified_name CREATE TOAST TABLE
| DROP DEFAULT { $$ = make_str("drop default"); }
;
-drop_behavior: CASCADE { $$ = make_str("cascade"); }
- | RESTRICT { $$ = make_str("restrict"); }
- ;
-
opt_drop_behavior: CASCADE { $$ = make_str("cascade"); }
| RESTRICT { $$ = make_str("restrict"); }
| /* EMPTY */ { $$ = EMPTY; }
*
*****************************************************************************/
-CopyStmt: COPY opt_binary qualified_name opt_with_copy copy_dirn copy_file_name copy_delimiter copy_null
- { $$ = cat_str(8, make_str("copy"), $2, $3, $4, $5, $6, $7, $8); }
+CopyStmt: COPY opt_binary qualified_name opt_oids copy_from
+ copy_file_name copy_delimiter opt_with copy_opt_list
+ { $$ = cat_str(9, make_str("copy"), $2, $3, $4, $5, $6, $7, $8, $9); }
;
-copy_dirn: TO { $$ = make_str("to"); }
+copy_from: TO { $$ = make_str("to"); }
| FROM { $$ = make_str("from"); }
;
| STDOUT { $$ = make_str("stdout"); }
;
-opt_binary: BINARY { $$ = make_str("binary"); }
- | /*EMPTY*/ { $$ = EMPTY; }
+copy_opt_list: copy_opt_list copy_opt_item { $$ = cat2_str($1, $2); }
+ | /* EMPTY */ { $$ = EMPTY; }
+ ;
+
+copy_opt_item: BINARY { $$ = make_str("binary"); }
+ | OIDS { $$ = make_str("oids"); }
+ | DELIMITER opt_as StringConst
+ { $$ = cat_str(3, make_str("delimiter"), $2, $3); }
+ | NULL_P opt_as StringConst
+ { $$ = cat_str(3, make_str("null"), $2, $3); }
;
-opt_with_copy: WITH OIDS { $$ = make_str("with oids"); }
- | /*EMPTY*/ { $$ = EMPTY; }
+opt_binary: BINARY { $$ = make_str("binary"); }
+ | /* EMPTY */ { $$ = EMPTY; }
;
+opt_oids: WITH OIDS { $$ = make_str("with oids"); }
+ | /* EMPTY */ { $$ = EMPTY; }
+ ;
+
+
/*
* the default copy delimiter is tab but the user can configure it
*/
| /* EMPTY */ { $$ = EMPTY; }
;
-copy_null: WITH NULL_P AS StringConst
- { $$ = cat2_str(make_str("with null as"), $4); }
- | /* EMPTY */
- { $$ = EMPTY; }
- ;
-
/*****************************************************************************
*
* QUERY :
;
OptTableElement: columnDef { $$ = $1; }
- | TableConstraint { $$ = $1; }
+ | TableLikeClause { $$ = $1; }
+ | TableConstraint { $$ = $1; }
;
columnDef: ColId Typename ColQualList opt_collate
| INITIALLY IMMEDIATE { $$ = make_str("initially immediate"); }
;
+TableLikeClause: LIKE any_name
+ {
+ mmerror(PARSE_ERROR, ET_ERROR, "LIKE in table definitions not yet supported");
+ $$ = cat2_str(make_str("like"), $2);
+ }
+ ;
+
/* ConstraintElem specifies constraint syntax which is not embedded into
* a column definition. ColConstraintElem specifies the embedded form.
* - thomas 1997-12-03
| /*EMPTY*/ { $$ = EMPTY; }
;
-key_delete: ON DELETE_P key_reference
+key_delete: ON DELETE_P key_action
{ $$ = cat2_str(make_str("on delete"), $3); }
;
-key_update: ON UPDATE key_reference
+key_update: ON UPDATE key_action
{ $$ = cat2_str(make_str("on update"), $3); }
;
-key_reference: NO ACTION { $$ = make_str("no action"); }
+key_action: NO ACTION { $$ = make_str("no action"); }
| RESTRICT { $$ = make_str("restrict"); }
| CASCADE { $$ = make_str("cascade"); }
| SET DEFAULT { $$ = make_str("set default"); }
{ $$ = ""; }
;
-DropPLangStmt: DROP opt_procedural LANGUAGE StringConst
- { $$ = cat_str(4, make_str("drop"), $2, make_str("language"), $4); }
+DropPLangStmt: DROP opt_procedural LANGUAGE StringConst opt_drop_behavior
+ { $$ = cat_str(5, make_str("drop"), $2, make_str("language"), $4, $5); }
;
opt_procedural: PROCEDURAL { $$ = make_str("prcedural"); }
{ $$ = make_str("initially deferred"); }
;
-DropTrigStmt: DROP TRIGGER name ON qualified_name
- { $$ = cat_str(4, make_str("drop trigger"), $3, make_str("on"), $5); }
+DropTrigStmt: DROP TRIGGER name ON qualified_name opt_drop_behavior
+ { $$ = cat_str(5, make_str("drop trigger"), $3, make_str("on"), $5, $6); }
;
/*****************************************************************************
| INDEX { $$ = make_str("index"); }
| TYPE_P { $$ = make_str("type"); }
| DOMAIN_P { $$ = make_str("domain"); }
+ | CONVERSION_P { $$ = make_str("conversion"); }
;
any_name_list: any_name
{ $$ = cat_str(5, make_str("comment on function"), $4, $5, make_str("is"), $7); }
| COMMENT ON OPERATOR all_Op '(' oper_argtypes ')' IS comment_text
{ $$ = cat_str(6, make_str("comment on operator"), $4, make_str("("), $6, make_str(") is"), $9); }
- | COMMENT ON TRIGGER name ON qualified_name IS comment_text
+ | COMMENT ON TRIGGER name ON any_name IS comment_text
{ $$ = cat_str(6, make_str("comment on trigger"), $4, make_str("on"), $6, make_str("is"), $8); }
| COMMENT ON RULE name ON any_name IS comment_text
{ $$ = cat_str(6, make_str("comment on rule"), $4, make_str("on"), $6, make_str("is"), $8); }
CreateFunctionStmt: CREATE opt_or_replace FUNCTION func_name func_args
RETURNS func_return createfunc_opt_list opt_with
{ $$ = cat_str(8, make_str("create"), $2, make_str("function"), $4, $5, make_str("returns"), $7, $8); }
+ | CREATE opt_or_replace CAST '(' func_type AS func_type ')'
+ WITH FUNCTION func_name func_args opt_assignment opt_definition
+ { $$ = cat_str(11, make_str("create"), $2, make_str("cast ("), $5, make_str("as"), $7, make_str(") with function"), $11, $12, $13, $14); }
+ | CREATE opt_or_replace CAST '(' func_type AS func_type ')'
+ WITH FUNCTION func_name func_args AS StringConst opt_definition
+ { $$ = cat_str(12, make_str("create"), $2, make_str("cast ("), $5, make_str("as"), $7, make_str(") with function"), $11, $12, make_str("as"), $14, $15); }
+ | CREATE opt_or_replace CAST '(' func_type AS func_type ')'
+ createfunc_opt_list opt_definition
+ { $$ = cat_str(9, make_str("create"), $2, make_str("cast ("), $5, make_str("as"), $7, make_str(")"), $9, $10); }
;
opt_or_replace: OR REPLACE { $$ = make_str("or replace"); }
{ $$ = make_str("implicit cast"); }
;
+opt_definition: WITH definition { $$ = cat2_str(make_str("with"), $2); }
+ | /*EMPTY*/ { $$ = EMPTY; }
+ ;
+
+opt_assignment: AS ASSIGNMENT { $$ = make_str("as assignment"); }
+ | /*EMPTY*/ { $$ = EMPTY; }
+ ;
+
/*****************************************************************************
*
* QUERY:
*
*****************************************************************************/
-RemoveFuncStmt: DROP FUNCTION func_name func_args
- { $$ = cat_str(3, make_str("drop function"), $3, $4); }
+RemoveFuncStmt: DROP FUNCTION func_name func_args opt_drop_behavior
+ { $$ = cat_str(4, make_str("drop function"), $3, $4, $5); }
+ | DROP CAST '(' func_type AS func_type ')' opt_drop_behavior
+ { $$ = cat_str(6, make_str("drop cast ("), $4, make_str("as"), $6, make_str(")"), $8); }
;
-RemoveAggrStmt: DROP AGGREGATE func_name '(' aggr_argtype ')'
- { $$ = cat_str(5, make_str("drop aggregate"), $3, make_str("("), $5, make_str(")")); }
+RemoveAggrStmt: DROP AGGREGATE func_name '(' aggr_argtype ')' opt_drop_behavior
+ { $$ = cat_str(6, make_str("drop aggregate"), $3, make_str("("), $5, make_str(")"), $7); }
;
aggr_argtype: Typename { $$ = $1; }
;
-RemoveOperStmt: DROP OPERATOR all_Op '(' oper_argtypes ')'
- { $$ = cat_str(5, make_str("drop operator"), $3, make_str("("), $5, make_str(")")); }
+RemoveOperStmt: DROP OPERATOR all_Op '(' oper_argtypes ')' opt_drop_behavior
+ { $$ = cat_str(6, make_str("drop operator"), $3, make_str("("), $5, make_str(")"), $7); }
;
oper_argtypes: Typename
{ $$ = cat2_str($1, make_str(", none")); }
;
+any_operator:
+ all_Op
+ { $$ = $1; }
+ | ColId '.' any_operator
+ { $$ = cat_str(3, $1, make_str("."), $3); }
+ ;
+
/*****************************************************************************
*
* QUERY:
| /*EMPTY*/ { $$ = EMPTY; }
;
-DropRuleStmt: DROP RULE name ON qualified_name
- { $$ = cat_str(4, make_str("drop rule"), $3, make_str("on"), $5);}
+DropRuleStmt: DROP RULE name ON qualified_name opt_drop_behavior
+ { $$ = cat_str(5, make_str("drop rule"), $3, make_str("on"), $5, $6);}
;
/*****************************************************************************
opt_as: AS {$$ = make_str("as"); }
| /* EMPTY */ {$$ = EMPTY; }
;
-
+
+CreateConversionStmt:
+ CREATE opt_default CONVERSION_P any_name FOR StringConst
+ TO StringConst FROM any_name
+ { $$ = cat_str(10, make_str("create"), $2, make_str("conversion"), $4, make_str("for"), $6, make_str("to"), $8, make_str("from"), $10); }
+ ;
+
+opt_default: DEFAULT { $$ = make_str("default"); }
+ | /* EMPTY */ {$$ = EMPTY; }
+ ;
+
/*****************************************************************************
*
* QUERY:
* Define row_descriptor to allow yacc to break the reduce/reduce conflict
* with singleton expressions.
*/
-row_expr: '(' row_descriptor ')' IN_P select_with_parens
- { $$ = cat_str(4, make_str("("), $2, make_str(") in "), $5); }
- | '(' row_descriptor ')' NOT IN_P select_with_parens
- { $$ = cat_str(4, make_str("("), $2, make_str(") not in "), $6); }
- | '(' row_descriptor ')' all_Op sub_type select_with_parens
- { $$ = cat_str(6, make_str("("), $2, make_str(")"), $4, $5, $6); }
- | '(' row_descriptor ')' all_Op select_with_parens
- { $$ = cat_str(5, make_str("("), $2, make_str(")"), $4, $5); }
- | '(' row_descriptor ')' all_Op '(' row_descriptor ')'
- { $$ = cat_str(7, make_str("("), $2, make_str(")"), $4, make_str("("), $6, make_str(")")); }
- | '(' row_descriptor ')' OVERLAPS '(' row_descriptor ')'
- { $$ = cat_str(5, make_str("("), $2, make_str(") overlaps ("), $6, make_str(")")); }
- ;
+r_expr: row IN_P select_with_parens
+ { $$ = cat_str(3, $1, make_str("in"), $3); }
+ | row NOT IN_P select_with_parens
+ { $$ = cat_str(3, $1, make_str("not in"), $4); }
+ | row qual_all_Op sub_type select_with_parens %prec Op
+ { $$ = cat_str(4, $1, $2, $3, $4); }
+ | row qual_all_Op select_with_parens %prec Op
+ { $$ = cat_str(3, $1, $2, $3); }
+ | row qual_all_Op row %prec Op
+ { $$ = cat_str(3, $1, $2, $3); }
+ | row IS NULL_P
+ { $$ = cat2_str($1, make_str("is null")); }
+ | row IS NOT NULL_P
+ { $$ = cat2_str($1, make_str("is not null")); }
+ | row OVERLAPS row
+ { $$ = cat_str(3, $1, make_str("overlaps"), $3); }
+ | row IS DISTINCT FROM row
+ { $$ = cat_str(3, $1, make_str("is distinct from"), $5); }
+ ;
+
+row: ROW '(' row_descriptor ')'
+ { $$ = cat_str(3, make_str("row ("), $3, make_str(")")); }
+ | ROW '(' a_expr ')'
+ { $$ = cat_str(3, make_str("row ("), $3, make_str(")")); }
+ | ROW '(' ')'
+ { $$ = make_str("row()"); }
+ | '(' row_descriptor ')'
+ { $$ = cat_str(3, make_str("("), $2, make_str(")")); }
+ ;
row_descriptor: row_list ',' a_expr
{ $$ = cat_str(3, $1, make_str(","), $3); }
;
-sub_type: ANY { $$ = make_str("ANY"); }
- | SOME { $$ = make_str("SOME"); }
- | ALL { $$ = make_str("ALL"); }
- ;
-
-
row_list: row_list ',' a_expr
{ $$ = cat_str(3, $1, make_str(","), $3); }
| a_expr
{ $$ = $1; }
;
+
+sub_type: ANY { $$ = make_str("ANY"); }
+ | SOME { $$ = make_str("SOME"); }
+ | ALL { $$ = make_str("ALL"); }
+ ;
-all_Op: Op | MathOp;
+all_Op: Op { $$ = $1; }
+ | MathOp { $$ = $1; }
+ ;
MathOp: '+' { $$ = make_str("+"); }
| '-' { $$ = make_str("-"); }
| '=' { $$ = make_str("="); }
;
+qual_Op: Op { $$ = $1; }
+ | OPERATOR '(' any_operator ')' { $$ = cat_str(3, make_str("operator ("), $3, make_str(")")); }
+ ;
+
+qual_all_Op: all_Op { $$ = $1; }
+ | OPERATOR '(' any_operator ')' { $$ = cat_str(3, make_str("operator ("), $3, make_str(")")); }
+ ;
+
/* General expressions
* This is the heart of the expression syntax.
*
{ $$ = cat_str(3, $1, make_str(">"), $3); }
| a_expr '=' a_expr
{ $$ = cat_str(3, $1, make_str("="), $3); }
- | a_expr Op a_expr
+ | a_expr qual_Op a_expr %prec Op
{ $$ = cat_str(3, $1, $2, $3); }
- | Op a_expr
+ | qual_Op a_expr %prec Op
{ $$ = cat2_str($1, $2); }
- | a_expr Op %prec POSTFIXOP
+ | a_expr qual_Op %prec POSTFIXOP
{ $$ = cat2_str($1, $2); }
| a_expr AND a_expr
{ $$ = cat_str(3, $1, make_str("and"), $3); }
{ $$ = cat_str(3, $1, make_str("not ilike"), $4); }
| a_expr NOT ILIKE a_expr ESCAPE a_expr
{ $$ = cat_str(5, $1, make_str("not ilike"), $4, make_str("escape"), $6); }
+ | a_expr SIMILAR TO a_expr %prec SIMILAR
+ { $$ = cat_str(3, $1, make_str("similar to"), $4); }
+ | a_expr SIMILAR TO a_expr ESCAPE a_expr
+ { $$ = cat_str(5, $1, make_str("similar to"), $4, make_str("escape"), $6); }
+ | a_expr NOT SIMILAR TO a_expr %prec SIMILAR
+ { $$ = cat_str(3, $1, make_str("not similar to"), $5); }
+ | a_expr NOT SIMILAR TO a_expr ESCAPE a_expr
+ { $$ = cat_str(5, $1, make_str("not similar to"), $5, make_str("escape"), $7); }
| a_expr ISNULL
{ $$ = cat2_str($1, make_str("isnull")); }
| a_expr IS NULL_P
{ $$ = cat2_str($1, make_str("is unknown")); }
| a_expr IS NOT UNKNOWN
{ $$ = cat2_str($1, make_str("is not unknown")); }
- | a_expr BETWEEN b_expr AND b_expr %prec BETWEEN
- { $$ = cat_str(5, $1, make_str("between"), $3, make_str("and"), $5); }
- | a_expr NOT BETWEEN b_expr AND b_expr %prec BETWEEN
- { $$ = cat_str(5, $1, make_str("not between"), $4, make_str("and"), $6); }
+ | a_expr IS DISTINCT FROM a_expr %prec DISTINCT
+ { $$ = cat_str(3, $1, make_str("is distinct from"), $5); }
+ | a_expr BETWEEN opt_symmetry b_expr AND b_expr %prec BETWEEN
+ { $$ = cat_str(6, $1, make_str("between"), $3, $4, make_str("and"), $6); }
+ | a_expr NOT BETWEEN opt_symmetry b_expr AND b_expr %prec BETWEEN
+ { $$ = cat_str(6, $1, make_str("not between"), $4, $5, make_str("and"), $7); }
| a_expr IN_P in_expr
- { $$ = cat_str(3, $1, make_str(" in"), $3); }
+ { $$ = cat_str(3, $1, make_str("in"), $3); }
| a_expr NOT IN_P in_expr
- { $$ = cat_str(3, $1, make_str(" not in "), $4); }
- | a_expr all_Op sub_type select_with_parens %prec Op
+ { $$ = cat_str(3, $1, make_str("not in"), $4); }
+ | a_expr qual_all_Op sub_type select_with_parens %prec Op
{ $$ = cat_str(4, $1, $2, $3, $4); }
- | row_expr
+ | r_expr
{ $$ = $1; }
;
+opt_symmetry: SYMMETRIC { $$ = make_str("symmetric"); }
+ | ASYMMETRIC { $$ = make_str("asymmetric"); }
+ | /* EMPTY */ { $$ = EMPTY; }
+ ;
+
/* Restricted expressions
*
* b_expr is a subset of the complete expression syntax
{ $$ = cat_str(3, $1, make_str("="), $3); }
| b_expr Op b_expr
{ $$ = cat_str(3, $1, $2, $3); }
- | Op b_expr
+ | qual_Op b_expr %prec Op
{ $$ = cat2_str($1, $2); }
- | b_expr Op %prec POSTFIXOP
+ | b_expr qual_Op %prec POSTFIXOP
{ $$ = cat2_str($1, $2); }
+ | b_expr IS DISTINCT FROM b_expr %prec Op
+ { $$ = cat_str(3, $1, make_str("is distinct from"), $5); }
;
/*
{ $$ = cat_str(3, make_str("("), $2, make_str(")")); }
| '(' a_expr ')' attrs opt_indirection
{ $$ = cat_str(5, make_str("("), $2, make_str(")"), $4, $5); }
- | CAST '(' a_expr AS Typename ')'
- { $$ = cat_str(5, make_str("cast("), $3, make_str("as"), $5, make_str(")")); }
| case_expr
{ $$ = $1; }
| func_name '(' ')'
{ $$ = cat2_str(make_str("session_user"), $2); }
| USER opt_empty_parentheses
{ $$ = cat2_str(make_str("user"), $2); }
+ | CAST '(' a_expr AS Typename ')'
+ { $$ = cat_str(5, make_str("cast("), $3, make_str("as"), $5, make_str(")")); }
| EXTRACT '(' extract_list ')'
{ $$ = cat_str(3, make_str("extract("), $3, make_str(")")); }
+ | OVERLAY '(' overlay_list ')'
+ { $$ = cat_str(3, make_str("overlay("), $3, make_str(")")); }
| POSITION '(' position_list ')'
{ $$ = cat_str(3, make_str("position("), $3, make_str(")")); }
| SUBSTRING '(' substr_list ')'
{ $$ = cat_str(3, make_str("substring("), $3, make_str(")")); }
+ | TREAT '(' a_expr AS Typename ')'
+ { $$ = cat_str(5, make_str("treat("), $3, make_str("as"), $5, make_str(")")); }
/* various trim expressions are defined in SQL92 - thomas 1997-07-19 */
| TRIM '(' BOTH trim_list ')'
{ $$ = cat_str(3, make_str("trim(both"), $4, make_str(")")); }
* - thomas 2001-04-12
*/
-extract_arg: IDENT { $$ = $1; }
+extract_arg: ident { $$ = $1; }
| YEAR_P { $$ = make_str("year"); }
| MONTH_P { $$ = make_str("month"); }
| DAY_P { $$ = make_str("day"); }
| StringConst { $$ = $1; }
;
+overlay_list:
+ a_expr overlay_placing substr_from substr_for
+ { $$ = cat_str(4, $1, 42, $3, $4); }
+ | a_expr overlay_placing substr_from
+ { $$ = cat_str(3, $1, $2, $3); }
+ ;
+
+overlay_placing:
+ PLACING a_expr { $$ = cat2_str(make_str("placing"), $2); }
+ ;
+
/* position_list uses b_expr not a_expr to avoid conflict with general IN */
position_list: b_expr IN_P b_expr
{ $$ = cat_str(3, $1, make_str("in"), $3); }
| AFTER { $$ = make_str("after"); }
| AGGREGATE { $$ = make_str("aggregate"); }
| ALTER { $$ = make_str("alter"); }
- | ASSERTION { $$ = make_str("assertion"); }
+ | ASSERTION { $$ = make_str("assertion"); }
+ | ASSIGNMENT { $$ = make_str("assignment"); }
| AT { $$ = make_str("at"); }
| BACKWARD { $$ = make_str("backward"); }
| BEFORE { $$ = make_str("before"); }
| COMMENT { $$ = make_str("comment"); }
| COMMIT { $$ = make_str("commit"); }
| COMMITTED { $$ = make_str("committed"); }
- | CONSTRAINTS { $$ = make_str("constraints"); }
+ | CONSTRAINTS { $$ = make_str("constraints"); }
+ | CONVERSION_P { $$ = make_str("conversion"); }
| COPY { $$ = make_str("copy"); }
| CREATEDB { $$ = make_str("createdb"); }
| CREATEUSER { $$ = make_str("createuser"); }
| DECLARE { $$ = make_str("declare"); }
| DEFERRED { $$ = make_str("deferred"); }
| DELETE_P { $$ = make_str("delete"); }
+ | DELIMITER { $$ = make_str("delimiter"); }
| DELIMITERS { $$ = make_str("delimiters"); }
| DOMAIN_P { $$ = make_str("domain"); }
| DOUBLE { $$ = make_str("double"); }
| RETURNS { $$ = make_str("returns"); }
| REVOKE { $$ = make_str("revoke"); }
| ROLLBACK { $$ = make_str("rollback"); }
- | ROW { $$ = make_str("row"); }
| RULE { $$ = make_str("rule"); }
| SCHEMA { $$ = make_str("schema"); }
| SCROLL { $$ = make_str("scroll"); }
| SET { $$ = make_str("set"); }
| SHARE { $$ = make_str("share"); }
| SHOW { $$ = make_str("show"); }
+ | SIMPLE { $$ = make_str("simple"); }
+ | STABLE { $$ = make_str("stable"); }
| START { $$ = make_str("start"); }
| STATEMENT { $$ = make_str("statement"); }
| STATISTICS { $$ = make_str("statistics"); }
| VIEW { $$ = make_str("view"); }
| WITH { $$ = make_str("with"); }
| WITHOUT { $$ = make_str("without"); }
+ | WRITE { $$ = make_str("write"); }
| WORK { $$ = make_str("work"); }
| YEAR_P { $$ = make_str("year"); }
| ZONE { $$ = make_str("zone"); }
| NUMERIC { $$ = make_str("numeric"); }
| POSITION { $$ = make_str("position"); }
| REAL { $$ = make_str("real"); }
+ | ROW { $$ = make_str("row"); }
| SETOF { $$ = make_str("setof"); }
| SMALLINT { $$ = make_str("smallint"); }
| SUBSTRING { $$ = make_str("substring"); }
| TIME { $$ = make_str("time"); }
| TIMESTAMP { $$ = make_str("timestamp"); }
+ | TREAT { $$ = make_str("treat"); }
| TRIM { $$ = make_str("trim"); }
| VARCHAR { $$ = make_str("varchar"); }
;
| OUTER_P { $$ = make_str("outer"); }
| OVERLAPS { $$ = make_str("overlaps"); }
| RIGHT { $$ = make_str("right"); }
+ | SIMILAR { $$ = make_str("similar"); }
| VERBOSE { $$ = make_str("verbose"); }
;
| SQL_INDICATOR name { check_indicator((find_variable($2))->type); $$ = $2; }
;
-ident: IDENT { $$ = $1; }
+ident: IDENT { $$ = $1; }
| CSTRING { $$ = make3_str(make_str("\""), $1, make_str("\"")); }
;
projects / postgresql.git / commitdiff