diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/backend/optimizer/path/costsize.c | 54 | ||||
-rw-r--r-- | src/backend/optimizer/plan/createplan.c | 66 | ||||
-rw-r--r-- | src/backend/optimizer/util/pathnode.c | 73 | ||||
-rw-r--r-- | src/backend/storage/aio/method_io_uring.c | 210 | ||||
-rw-r--r-- | src/bin/pg_walsummary/t/002_blocks.pl | 9 | ||||
-rw-r--r-- | src/include/optimizer/cost.h | 2 | ||||
-rw-r--r-- | src/include/pg_config.h.in | 3 | ||||
-rw-r--r-- | src/test/regress/expected/incremental_sort.out | 40 | ||||
-rw-r--r-- | src/test/regress/expected/inherit.out | 10 | ||||
-rw-r--r-- | src/test/regress/sql/incremental_sort.sql | 24 | ||||
-rw-r--r-- | src/tools/pgindent/typedefs.list | 1 |
11 files changed, 430 insertions, 62 deletions
diff --git a/src/backend/optimizer/path/costsize.c b/src/backend/optimizer/path/costsize.c index 3d44815ed5a..1f04a2c182c 100644 --- a/src/backend/optimizer/path/costsize.c +++ b/src/backend/optimizer/path/costsize.c @@ -2247,7 +2247,7 @@ append_nonpartial_cost(List *subpaths, int numpaths, int parallel_workers) * Determines and returns the cost of an Append node. */ void -cost_append(AppendPath *apath) +cost_append(AppendPath *apath, PlannerInfo *root) { ListCell *l; @@ -2309,26 +2309,52 @@ cost_append(AppendPath *apath) foreach(l, apath->subpaths) { Path *subpath = (Path *) lfirst(l); - Path sort_path; /* dummy for result of cost_sort */ + int presorted_keys; + Path sort_path; /* dummy for result of + * cost_sort/cost_incremental_sort */ - if (!pathkeys_contained_in(pathkeys, subpath->pathkeys)) + if (!pathkeys_count_contained_in(pathkeys, subpath->pathkeys, + &presorted_keys)) { /* * We'll need to insert a Sort node, so include costs for - * that. We can use the parent's LIMIT if any, since we + * that. We choose to use incremental sort if it is + * enabled and there are presorted keys; otherwise we use + * full sort. + * + * We can use the parent's LIMIT if any, since we * certainly won't pull more than that many tuples from * any child. */ - cost_sort(&sort_path, - NULL, /* doesn't currently need root */ - pathkeys, - subpath->disabled_nodes, - subpath->total_cost, - subpath->rows, - subpath->pathtarget->width, - 0.0, - work_mem, - apath->limit_tuples); + if (enable_incremental_sort && presorted_keys > 0) + { + cost_incremental_sort(&sort_path, + root, + pathkeys, + presorted_keys, + subpath->disabled_nodes, + subpath->startup_cost, + subpath->total_cost, + subpath->rows, + subpath->pathtarget->width, + 0.0, + work_mem, + apath->limit_tuples); + } + else + { + cost_sort(&sort_path, + root, + pathkeys, + subpath->disabled_nodes, + subpath->total_cost, + subpath->rows, + subpath->pathtarget->width, + 0.0, + work_mem, + apath->limit_tuples); + } + subpath = &sort_path; } diff --git a/src/backend/optimizer/plan/createplan.c b/src/backend/optimizer/plan/createplan.c index 0b61aef962c..8a9f1d7a943 100644 --- a/src/backend/optimizer/plan/createplan.c +++ b/src/backend/optimizer/plan/createplan.c @@ -1318,6 +1318,7 @@ create_append_plan(PlannerInfo *root, AppendPath *best_path, int flags) Oid *sortOperators; Oid *collations; bool *nullsFirst; + int presorted_keys; /* * Compute sort column info, and adjust subplan's tlist as needed. @@ -1353,14 +1354,38 @@ create_append_plan(PlannerInfo *root, AppendPath *best_path, int flags) numsortkeys * sizeof(bool)) == 0); /* Now, insert a Sort node if subplan isn't sufficiently ordered */ - if (!pathkeys_contained_in(pathkeys, subpath->pathkeys)) + if (!pathkeys_count_contained_in(pathkeys, subpath->pathkeys, + &presorted_keys)) { - Sort *sort = make_sort(subplan, numsortkeys, + Plan *sort_plan; + + /* + * We choose to use incremental sort if it is enabled and + * there are presorted keys; otherwise we use full sort. + */ + if (enable_incremental_sort && presorted_keys > 0) + { + sort_plan = (Plan *) + make_incrementalsort(subplan, numsortkeys, presorted_keys, sortColIdx, sortOperators, collations, nullsFirst); - label_sort_with_costsize(root, sort, best_path->limit_tuples); - subplan = (Plan *) sort; + label_incrementalsort_with_costsize(root, + (IncrementalSort *) sort_plan, + pathkeys, + best_path->limit_tuples); + } + else + { + sort_plan = (Plan *) make_sort(subplan, numsortkeys, + sortColIdx, sortOperators, + collations, nullsFirst); + + label_sort_with_costsize(root, (Sort *) sort_plan, + best_path->limit_tuples); + } + + subplan = sort_plan; } } @@ -1491,6 +1516,7 @@ create_merge_append_plan(PlannerInfo *root, MergeAppendPath *best_path, Oid *sortOperators; Oid *collations; bool *nullsFirst; + int presorted_keys; /* Build the child plan */ /* Must insist that all children return the same tlist */ @@ -1525,14 +1551,38 @@ create_merge_append_plan(PlannerInfo *root, MergeAppendPath *best_path, numsortkeys * sizeof(bool)) == 0); /* Now, insert a Sort node if subplan isn't sufficiently ordered */ - if (!pathkeys_contained_in(pathkeys, subpath->pathkeys)) + if (!pathkeys_count_contained_in(pathkeys, subpath->pathkeys, + &presorted_keys)) { - Sort *sort = make_sort(subplan, numsortkeys, + Plan *sort_plan; + + /* + * We choose to use incremental sort if it is enabled and there + * are presorted keys; otherwise we use full sort. + */ + if (enable_incremental_sort && presorted_keys > 0) + { + sort_plan = (Plan *) + make_incrementalsort(subplan, numsortkeys, presorted_keys, sortColIdx, sortOperators, collations, nullsFirst); - label_sort_with_costsize(root, sort, best_path->limit_tuples); - subplan = (Plan *) sort; + label_incrementalsort_with_costsize(root, + (IncrementalSort *) sort_plan, + pathkeys, + best_path->limit_tuples); + } + else + { + sort_plan = (Plan *) make_sort(subplan, numsortkeys, + sortColIdx, sortOperators, + collations, nullsFirst); + + label_sort_with_costsize(root, (Sort *) sort_plan, + best_path->limit_tuples); + } + + subplan = sort_plan; } subplans = lappend(subplans, subplan); diff --git a/src/backend/optimizer/util/pathnode.c b/src/backend/optimizer/util/pathnode.c index e0192d4a491..9cc602788ea 100644 --- a/src/backend/optimizer/util/pathnode.c +++ b/src/backend/optimizer/util/pathnode.c @@ -1404,12 +1404,12 @@ create_append_path(PlannerInfo *root, pathnode->path.total_cost = child->total_cost; } else - cost_append(pathnode); + cost_append(pathnode, root); /* Must do this last, else cost_append complains */ pathnode->path.pathkeys = child->pathkeys; } else - cost_append(pathnode); + cost_append(pathnode, root); /* If the caller provided a row estimate, override the computed value. */ if (rows >= 0) @@ -1515,6 +1515,9 @@ create_merge_append_path(PlannerInfo *root, foreach(l, subpaths) { Path *subpath = (Path *) lfirst(l); + int presorted_keys; + Path sort_path; /* dummy for result of + * cost_sort/cost_incremental_sort */ /* All child paths should be unparameterized */ Assert(bms_is_empty(PATH_REQ_OUTER(subpath))); @@ -1523,32 +1526,52 @@ create_merge_append_path(PlannerInfo *root, pathnode->path.parallel_safe = pathnode->path.parallel_safe && subpath->parallel_safe; - if (pathkeys_contained_in(pathkeys, subpath->pathkeys)) + if (!pathkeys_count_contained_in(pathkeys, subpath->pathkeys, + &presorted_keys)) { - /* Subpath is adequately ordered, we won't need to sort it */ - input_disabled_nodes += subpath->disabled_nodes; - input_startup_cost += subpath->startup_cost; - input_total_cost += subpath->total_cost; - } - else - { - /* We'll need to insert a Sort node, so include cost for that */ - Path sort_path; /* dummy for result of cost_sort */ + /* + * We'll need to insert a Sort node, so include costs for that. We + * choose to use incremental sort if it is enabled and there are + * presorted keys; otherwise we use full sort. + * + * We can use the parent's LIMIT if any, since we certainly won't + * pull more than that many tuples from any child. + */ + if (enable_incremental_sort && presorted_keys > 0) + { + cost_incremental_sort(&sort_path, + root, + pathkeys, + presorted_keys, + subpath->disabled_nodes, + subpath->startup_cost, + subpath->total_cost, + subpath->rows, + subpath->pathtarget->width, + 0.0, + work_mem, + pathnode->limit_tuples); + } + else + { + cost_sort(&sort_path, + root, + pathkeys, + subpath->disabled_nodes, + subpath->total_cost, + subpath->rows, + subpath->pathtarget->width, + 0.0, + work_mem, + pathnode->limit_tuples); + } - cost_sort(&sort_path, - root, - pathkeys, - subpath->disabled_nodes, - subpath->total_cost, - subpath->rows, - subpath->pathtarget->width, - 0.0, - work_mem, - pathnode->limit_tuples); - input_disabled_nodes += sort_path.disabled_nodes; - input_startup_cost += sort_path.startup_cost; - input_total_cost += sort_path.total_cost; + subpath = &sort_path; } + + input_disabled_nodes += subpath->disabled_nodes; + input_startup_cost += subpath->startup_cost; + input_total_cost += subpath->total_cost; } /* diff --git a/src/backend/storage/aio/method_io_uring.c b/src/backend/storage/aio/method_io_uring.c index b78048328e1..0a8c054162f 100644 --- a/src/backend/storage/aio/method_io_uring.c +++ b/src/backend/storage/aio/method_io_uring.c @@ -29,6 +29,9 @@ #ifdef IOMETHOD_IO_URING_ENABLED +#include <sys/mman.h> +#include <unistd.h> + #include <liburing.h> #include "miscadmin.h" @@ -94,12 +97,32 @@ PgAioUringContext struct io_uring io_uring_ring; } PgAioUringContext; +/* + * Information about the capabilities that io_uring has. + * + * Depending on liburing and kernel version different features are + * supported. At least for the kernel a kernel version check does not suffice + * as various vendors do backport features to older kernels :(. + */ +typedef struct PgAioUringCaps +{ + bool checked; + /* -1 if io_uring_queue_init_mem() is unsupported */ + int mem_init_size; +} PgAioUringCaps; + + /* PgAioUringContexts for all backends */ static PgAioUringContext *pgaio_uring_contexts; /* the current backend's context */ static PgAioUringContext *pgaio_my_uring_context; +static PgAioUringCaps pgaio_uring_caps = +{ + .checked = false, + .mem_init_size = -1, +}; static uint32 pgaio_uring_procs(void) @@ -111,16 +134,145 @@ pgaio_uring_procs(void) return MaxBackends + NUM_AUXILIARY_PROCS - MAX_IO_WORKERS; } -static Size +/* + * Initializes pgaio_uring_caps, unless that's already done. + */ +static void +pgaio_uring_check_capabilities(void) +{ + if (pgaio_uring_caps.checked) + return; + + /* + * By default io_uring creates a shared memory mapping for each io_uring + * instance, leading to a large number of memory mappings. Unfortunately a + * large number of memory mappings slows things down, backend exit is + * particularly affected. To address that, newer kernels (6.5) support + * using user-provided memory for the memory, by putting the relevant + * memory into shared memory we don't need any additional mappings. + * + * To know whether this is supported, we unfortunately need to probe the + * kernel by trying to create a ring with userspace-provided memory. This + * also has a secondary benefit: We can determine precisely how much + * memory we need for each io_uring instance. + */ +#if defined(HAVE_LIBURING_QUEUE_INIT_MEM) && defined(IORING_SETUP_NO_MMAP) + { + struct io_uring test_ring; + size_t ring_size; + void *ring_ptr; + struct io_uring_params p = {0}; + int ret; + + /* + * Liburing does not yet provide an API to query how much memory a + * ring will need. So we over-estimate it here. As the memory is freed + * just below that's small temporary waste of memory. + * + * 1MB is more than enough for rings within io_max_concurrency's + * range. + */ + ring_size = 1024 * 1024; + + /* + * Hard to believe a system exists where 1MB would not be a multiple + * of the page size. But it's cheap to ensure... + */ + ring_size -= ring_size % sysconf(_SC_PAGESIZE); + + ring_ptr = mmap(NULL, ring_size, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANONYMOUS, -1, 0); + if (ring_ptr == MAP_FAILED) + elog(ERROR, + "mmap(%zu) to determine io_uring_queue_init_mem() support failed: %m", + ring_size); + + ret = io_uring_queue_init_mem(io_max_concurrency, &test_ring, &p, ring_ptr, ring_size); + if (ret > 0) + { + pgaio_uring_caps.mem_init_size = ret; + + elog(DEBUG1, + "can use combined memory mapping for io_uring, each ring needs %d bytes", + ret); + + /* clean up the created ring, it was just for a test */ + io_uring_queue_exit(&test_ring); + } + else + { + /* + * There are different reasons for ring creation to fail, but it's + * ok to treat that just as io_uring_queue_init_mem() not being + * supported. We'll report a more detailed error in + * pgaio_uring_shmem_init(). + */ + errno = -ret; + elog(DEBUG1, + "cannot use combined memory mapping for io_uring, ring creation failed: %m"); + + } + + if (munmap(ring_ptr, ring_size) != 0) + elog(ERROR, "munmap() failed: %m"); + } +#else + { + elog(DEBUG1, + "can't use combined memory mapping for io_uring, kernel or liburing too old"); + } +#endif + + pgaio_uring_caps.checked = true; +} + +/* + * Memory for all PgAioUringContext instances + */ +static size_t pgaio_uring_context_shmem_size(void) { return mul_size(pgaio_uring_procs(), sizeof(PgAioUringContext)); } +/* + * Memory for the combined memory used by io_uring instances. Returns 0 if + * that is not supported by kernel/liburing. + */ +static size_t +pgaio_uring_ring_shmem_size(void) +{ + size_t sz = 0; + + if (pgaio_uring_caps.mem_init_size > 0) + { + /* + * Memory for rings needs to be allocated to the page boundary, + * reserve space. Luckily it does not need to be aligned to hugepage + * boundaries, even if huge pages are used. + */ + sz = add_size(sz, sysconf(_SC_PAGESIZE)); + sz = add_size(sz, mul_size(pgaio_uring_procs(), + pgaio_uring_caps.mem_init_size)); + } + + return sz; +} + static size_t pgaio_uring_shmem_size(void) { - return pgaio_uring_context_shmem_size(); + size_t sz; + + /* + * Kernel and liburing support for various features influences how much + * shmem we need, perform the necessary checks. + */ + pgaio_uring_check_capabilities(); + + sz = pgaio_uring_context_shmem_size(); + sz = add_size(sz, pgaio_uring_ring_shmem_size()); + + return sz; } static void @@ -128,13 +280,38 @@ pgaio_uring_shmem_init(bool first_time) { int TotalProcs = pgaio_uring_procs(); bool found; + char *shmem; + size_t ring_mem_remain = 0; + char *ring_mem_next = 0; - pgaio_uring_contexts = (PgAioUringContext *) - ShmemInitStruct("AioUring", pgaio_uring_shmem_size(), &found); - + /* + * We allocate memory for all PgAioUringContext instances and, if + * supported, the memory required for each of the io_uring instances, in + * one ShmemInitStruct(). + */ + shmem = ShmemInitStruct("AioUringContext", pgaio_uring_shmem_size(), &found); if (found) return; + pgaio_uring_contexts = (PgAioUringContext *) shmem; + shmem += pgaio_uring_context_shmem_size(); + + /* if supported, handle memory alignment / sizing for io_uring memory */ + if (pgaio_uring_caps.mem_init_size > 0) + { + ring_mem_remain = pgaio_uring_ring_shmem_size(); + ring_mem_next = (char *) shmem; + + /* align to page boundary, see also pgaio_uring_ring_shmem_size() */ + ring_mem_next = (char *) TYPEALIGN(sysconf(_SC_PAGESIZE), ring_mem_next); + + /* account for alignment */ + ring_mem_remain -= ring_mem_next - shmem; + shmem += ring_mem_next - shmem; + + shmem += ring_mem_remain; + } + for (int contextno = 0; contextno < TotalProcs; contextno++) { PgAioUringContext *context = &pgaio_uring_contexts[contextno]; @@ -158,7 +335,28 @@ pgaio_uring_shmem_init(bool first_time) * be worth using that - also need to evaluate if that causes * noticeable additional contention? */ - ret = io_uring_queue_init(io_max_concurrency, &context->io_uring_ring, 0); + + /* + * If supported (c.f. pgaio_uring_check_capabilities()), create ring + * with its data in shared memory. Otherwise fall back io_uring + * creating a memory mapping for each ring. + */ +#if defined(HAVE_LIBURING_QUEUE_INIT_MEM) && defined(IORING_SETUP_NO_MMAP) + if (pgaio_uring_caps.mem_init_size > 0) + { + struct io_uring_params p = {0}; + + ret = io_uring_queue_init_mem(io_max_concurrency, &context->io_uring_ring, &p, ring_mem_next, ring_mem_remain); + + ring_mem_remain -= ret; + ring_mem_next += ret; + } + else +#endif + { + ret = io_uring_queue_init(io_max_concurrency, &context->io_uring_ring, 0); + } + if (ret < 0) { char *hint = NULL; diff --git a/src/bin/pg_walsummary/t/002_blocks.pl b/src/bin/pg_walsummary/t/002_blocks.pl index 270332780a4..0f98c7df82e 100644 --- a/src/bin/pg_walsummary/t/002_blocks.pl +++ b/src/bin/pg_walsummary/t/002_blocks.pl @@ -47,11 +47,12 @@ EOM ok($result, "WAL summarization caught up after insert"); # The WAL summarizer should have generated some IO statistics. -my $stats_reads = $node1->safe_psql( +$node1->poll_query_until( 'postgres', - qq{SELECT sum(reads) > 0 FROM pg_stat_io - WHERE backend_type = 'walsummarizer' AND object = 'wal'}); -is($stats_reads, 't', "WAL summarizer generates statistics for WAL reads"); + q{SELECT sum(reads) > 0 FROM pg_stat_io + WHERE backend_type = 'walsummarizer' AND object = 'wal'}) + or die + "Timed out while waiting for WAL summarizer to generate statistics for WAL reads"; # Find the highest LSN that is summarized on disk. my $summarized_lsn = $node1->safe_psql('postgres', <<EOM); diff --git a/src/include/optimizer/cost.h b/src/include/optimizer/cost.h index d397fe27dc1..b523bcda8f3 100644 --- a/src/include/optimizer/cost.h +++ b/src/include/optimizer/cost.h @@ -118,7 +118,7 @@ extern void cost_incremental_sort(Path *path, Cost input_startup_cost, Cost input_total_cost, double input_tuples, int width, Cost comparison_cost, int sort_mem, double limit_tuples); -extern void cost_append(AppendPath *apath); +extern void cost_append(AppendPath *apath, PlannerInfo *root); extern void cost_merge_append(Path *path, PlannerInfo *root, List *pathkeys, int n_streams, int input_disabled_nodes, diff --git a/src/include/pg_config.h.in b/src/include/pg_config.h.in index 726a7c1be1f..c4dc5d72bdb 100644 --- a/src/include/pg_config.h.in +++ b/src/include/pg_config.h.in @@ -229,6 +229,9 @@ /* Define to 1 if you have the global variable 'int timezone'. */ #undef HAVE_INT_TIMEZONE +/* Define to 1 if you have the `io_uring_queue_init_mem' function. */ +#undef HAVE_IO_URING_QUEUE_INIT_MEM + /* Define to 1 if __builtin_constant_p(x) implies "i"(x) acceptance. */ #undef HAVE_I_CONSTRAINT__BUILTIN_CONSTANT_P diff --git a/src/test/regress/expected/incremental_sort.out b/src/test/regress/expected/incremental_sort.out index b00219643b9..5a1dd9fc022 100644 --- a/src/test/regress/expected/incremental_sort.out +++ b/src/test/regress/expected/incremental_sort.out @@ -1722,3 +1722,43 @@ order by t1.four, t1.two limit 1; -> Seq Scan on tenk1 t2 (12 rows) +-- +-- Test incremental sort for Append/MergeAppend +-- +create table prt_tbl (a int, b int) partition by range (a); +create table prt_tbl_1 partition of prt_tbl for values from (0) to (100); +create table prt_tbl_2 partition of prt_tbl for values from (100) to (200); +insert into prt_tbl select i%200, i from generate_series(1,1000)i; +create index on prt_tbl_1(a); +create index on prt_tbl_2(a, b); +analyze prt_tbl; +set enable_seqscan to off; +set enable_bitmapscan to off; +-- Ensure we get an incremental sort for the subpath of Append +explain (costs off) select * from prt_tbl order by a, b; + QUERY PLAN +------------------------------------------------------------ + Append + -> Incremental Sort + Sort Key: prt_tbl_1.a, prt_tbl_1.b + Presorted Key: prt_tbl_1.a + -> Index Scan using prt_tbl_1_a_idx on prt_tbl_1 + -> Index Only Scan using prt_tbl_2_a_b_idx on prt_tbl_2 +(6 rows) + +-- Ensure we get an incremental sort for the subpath of MergeAppend +explain (costs off) select * from prt_tbl_1 union all select * from prt_tbl_2 order by a, b; + QUERY PLAN +------------------------------------------------------------ + Merge Append + Sort Key: prt_tbl_1.a, prt_tbl_1.b + -> Incremental Sort + Sort Key: prt_tbl_1.a, prt_tbl_1.b + Presorted Key: prt_tbl_1.a + -> Index Scan using prt_tbl_1_a_idx on prt_tbl_1 + -> Index Only Scan using prt_tbl_2_a_b_idx on prt_tbl_2 +(7 rows) + +reset enable_bitmapscan; +reset enable_seqscan; +drop table prt_tbl; diff --git a/src/test/regress/expected/inherit.out b/src/test/regress/expected/inherit.out index 78dead65325..5b5055babdc 100644 --- a/src/test/regress/expected/inherit.out +++ b/src/test/regress/expected/inherit.out @@ -1898,10 +1898,11 @@ ORDER BY thousand, tenthous; Merge Append Sort Key: tenk1.thousand, tenk1.tenthous -> Index Only Scan using tenk1_thous_tenthous on tenk1 - -> Sort + -> Incremental Sort Sort Key: tenk1_1.thousand, tenk1_1.thousand + Presorted Key: tenk1_1.thousand -> Index Only Scan using tenk1_thous_tenthous on tenk1 tenk1_1 -(6 rows) +(7 rows) explain (costs off) SELECT thousand, tenthous, thousand+tenthous AS x FROM tenk1 @@ -1982,10 +1983,11 @@ ORDER BY x, y; Merge Append Sort Key: a.thousand, a.tenthous -> Index Only Scan using tenk1_thous_tenthous on tenk1 a - -> Sort + -> Incremental Sort Sort Key: b.unique2, b.unique2 + Presorted Key: b.unique2 -> Index Only Scan using tenk1_unique2 on tenk1 b -(6 rows) +(7 rows) -- exercise rescan code path via a repeatedly-evaluated subquery explain (costs off) diff --git a/src/test/regress/sql/incremental_sort.sql b/src/test/regress/sql/incremental_sort.sql index f1f8fae5654..bbe658a7588 100644 --- a/src/test/regress/sql/incremental_sort.sql +++ b/src/test/regress/sql/incremental_sort.sql @@ -298,3 +298,27 @@ explain (costs off) select * from (select * from tenk1 order by four) t1 join tenk1 t2 on t1.four = t2.four and t1.two = t2.two order by t1.four, t1.two limit 1; + +-- +-- Test incremental sort for Append/MergeAppend +-- +create table prt_tbl (a int, b int) partition by range (a); +create table prt_tbl_1 partition of prt_tbl for values from (0) to (100); +create table prt_tbl_2 partition of prt_tbl for values from (100) to (200); +insert into prt_tbl select i%200, i from generate_series(1,1000)i; +create index on prt_tbl_1(a); +create index on prt_tbl_2(a, b); +analyze prt_tbl; + +set enable_seqscan to off; +set enable_bitmapscan to off; + +-- Ensure we get an incremental sort for the subpath of Append +explain (costs off) select * from prt_tbl order by a, b; + +-- Ensure we get an incremental sort for the subpath of MergeAppend +explain (costs off) select * from prt_tbl_1 union all select * from prt_tbl_2 order by a, b; + +reset enable_bitmapscan; +reset enable_seqscan; +drop table prt_tbl; diff --git a/src/tools/pgindent/typedefs.list b/src/tools/pgindent/typedefs.list index 114bdafafdf..83192038571 100644 --- a/src/tools/pgindent/typedefs.list +++ b/src/tools/pgindent/typedefs.list @@ -2181,6 +2181,7 @@ PgAioReturn PgAioTargetData PgAioTargetID PgAioTargetInfo +PgAioUringCaps PgAioUringContext PgAioWaitRef PgArchData |