From 6eb9c5a5657d1fe77b55cc261450f3538d35a94d Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 4 May 2024 14:19:15 +0200 Subject: Adding upstream version 13.4. Signed-off-by: Daniel Baumann --- src/test/modules/test_misc/.gitignore | 4 + src/test/modules/test_misc/Makefile | 14 + src/test/modules/test_misc/README | 4 + .../test_misc/t/001_constraint_validation.pl | 310 +++++++++++++++++++++ 4 files changed, 332 insertions(+) create mode 100644 src/test/modules/test_misc/.gitignore create mode 100644 src/test/modules/test_misc/Makefile create mode 100644 src/test/modules/test_misc/README create mode 100644 src/test/modules/test_misc/t/001_constraint_validation.pl (limited to 'src/test/modules/test_misc') diff --git a/src/test/modules/test_misc/.gitignore b/src/test/modules/test_misc/.gitignore new file mode 100644 index 0000000..5dcb3ff --- /dev/null +++ b/src/test/modules/test_misc/.gitignore @@ -0,0 +1,4 @@ +# Generated subdirectories +/log/ +/results/ +/tmp_check/ diff --git a/src/test/modules/test_misc/Makefile b/src/test/modules/test_misc/Makefile new file mode 100644 index 0000000..39c6c20 --- /dev/null +++ b/src/test/modules/test_misc/Makefile @@ -0,0 +1,14 @@ +# src/test/modules/test_misc/Makefile + +TAP_TESTS = 1 + +ifdef USE_PGXS +PG_CONFIG = pg_config +PGXS := $(shell $(PG_CONFIG) --pgxs) +include $(PGXS) +else +subdir = src/test/modules/test_misc +top_builddir = ../../../.. +include $(top_builddir)/src/Makefile.global +include $(top_srcdir)/contrib/contrib-global.mk +endif diff --git a/src/test/modules/test_misc/README b/src/test/modules/test_misc/README new file mode 100644 index 0000000..4876733 --- /dev/null +++ b/src/test/modules/test_misc/README @@ -0,0 +1,4 @@ +This directory doesn't actually contain any extension module. + +What it is is a home for otherwise-unclassified TAP tests that exercise core +server features. We might equally well have called it, say, src/test/misc. diff --git a/src/test/modules/test_misc/t/001_constraint_validation.pl b/src/test/modules/test_misc/t/001_constraint_validation.pl new file mode 100644 index 0000000..0e27dae --- /dev/null +++ b/src/test/modules/test_misc/t/001_constraint_validation.pl @@ -0,0 +1,310 @@ +# Verify that ALTER TABLE optimizes certain operations as expected + +use strict; +use warnings; +use PostgresNode; +use TestLib; +use Test::More tests => 42; + +# Initialize a test cluster +my $node = get_new_node('master'); +$node->init(); +# Turn message level up to DEBUG1 so that we get the messages we want to see +$node->append_conf('postgresql.conf', 'client_min_messages = DEBUG1'); +$node->start; + +# Run a SQL command and return psql's stderr (including debug messages) +sub run_sql_command +{ + my $sql = shift; + my $stderr; + + $node->psql( + 'postgres', + $sql, + stderr => \$stderr, + on_error_die => 1, + on_error_stop => 1); + return $stderr; +} + +# Check whether result of run_sql_command shows that we did a verify pass +sub is_table_verified +{ + my $output = shift; + return index($output, 'DEBUG: verifying table') != -1; +} + +my $output; + +note "test alter table set not null"; + +run_sql_command( + 'create table atacc1 (test_a int, test_b int); + insert into atacc1 values (1, 2);'); + +$output = run_sql_command('alter table atacc1 alter test_a set not null;'); +ok(is_table_verified($output), + 'column test_a without constraint will scan table'); + +run_sql_command( + 'alter table atacc1 alter test_a drop not null; + alter table atacc1 add constraint atacc1_constr_a_valid + check(test_a is not null);'); + +# normal run will verify table data +$output = run_sql_command('alter table atacc1 alter test_a set not null;'); +ok(!is_table_verified($output), 'with constraint will not scan table'); +ok( $output =~ + m/existing constraints on column "atacc1.test_a" are sufficient to prove that it does not contain nulls/, + 'test_a proved by constraints'); + +run_sql_command('alter table atacc1 alter test_a drop not null;'); + +# we have check only for test_a column, so we need verify table for test_b +$output = run_sql_command( + 'alter table atacc1 alter test_b set not null, alter test_a set not null;' +); +ok(is_table_verified($output), 'table was scanned'); +# we may miss debug message for test_a constraint because we need verify table due test_b +ok( !( $output =~ + m/existing constraints on column "atacc1.test_b" are sufficient to prove that it does not contain nulls/ + ), + 'test_b not proved by wrong constraints'); +run_sql_command( + 'alter table atacc1 alter test_a drop not null, alter test_b drop not null;' +); + +# test with both columns having check constraints +run_sql_command( + 'alter table atacc1 add constraint atacc1_constr_b_valid check(test_b is not null);' +); +$output = run_sql_command( + 'alter table atacc1 alter test_b set not null, alter test_a set not null;' +); +ok(!is_table_verified($output), 'table was not scanned for both columns'); +ok( $output =~ + m/existing constraints on column "atacc1.test_a" are sufficient to prove that it does not contain nulls/, + 'test_a proved by constraints'); +ok( $output =~ + m/existing constraints on column "atacc1.test_b" are sufficient to prove that it does not contain nulls/, + 'test_b proved by constraints'); +run_sql_command('drop table atacc1;'); + +note "test alter table attach partition"; + +run_sql_command( + 'CREATE TABLE list_parted2 ( + a int, + b char + ) PARTITION BY LIST (a); + CREATE TABLE part_3_4 ( + LIKE list_parted2, + CONSTRAINT check_a CHECK (a IN (3)));'); + +# need NOT NULL to skip table scan +$output = run_sql_command( + 'ALTER TABLE list_parted2 ATTACH PARTITION part_3_4 FOR VALUES IN (3, 4);' +); +ok(is_table_verified($output), 'table part_3_4 scanned'); + +run_sql_command( + 'ALTER TABLE list_parted2 DETACH PARTITION part_3_4; + ALTER TABLE part_3_4 ALTER a SET NOT NULL;'); + +$output = run_sql_command( + 'ALTER TABLE list_parted2 ATTACH PARTITION part_3_4 FOR VALUES IN (3, 4);' +); +ok(!is_table_verified($output), 'table part_3_4 not scanned'); +ok( $output =~ + m/partition constraint for table "part_3_4" is implied by existing constraints/, + 'part_3_4 verified by existing constraints'); + +# test attach default partition +run_sql_command( + 'CREATE TABLE list_parted2_def ( + LIKE list_parted2, + CONSTRAINT check_a CHECK (a IN (5, 6)));'); +$output = run_sql_command( + 'ALTER TABLE list_parted2 ATTACH PARTITION list_parted2_def default;'); +ok(!is_table_verified($output), 'table list_parted2_def not scanned'); +ok( $output =~ + m/partition constraint for table "list_parted2_def" is implied by existing constraints/, + 'list_parted2_def verified by existing constraints'); + +$output = run_sql_command( + 'CREATE TABLE part_55_66 PARTITION OF list_parted2 FOR VALUES IN (55, 66);' +); +ok(!is_table_verified($output), 'table list_parted2_def not scanned'); +ok( $output =~ + m/updated partition constraint for default partition "list_parted2_def" is implied by existing constraints/, + 'updated partition constraint for default partition list_parted2_def'); + +# test attach another partitioned table +run_sql_command( + 'CREATE TABLE part_5 ( + LIKE list_parted2 + ) PARTITION BY LIST (b); + CREATE TABLE part_5_a PARTITION OF part_5 FOR VALUES IN (\'a\'); + ALTER TABLE part_5 ADD CONSTRAINT check_a CHECK (a IS NOT NULL AND a = 5);' +); +$output = run_sql_command( + 'ALTER TABLE list_parted2 ATTACH PARTITION part_5 FOR VALUES IN (5);'); +ok(!($output =~ m/verifying table "part_5"/), 'table part_5 not scanned'); +ok($output =~ m/verifying table "list_parted2_def"/, + 'list_parted2_def scanned'); +ok( $output =~ + m/partition constraint for table "part_5" is implied by existing constraints/, + 'part_5 verified by existing constraints'); + +run_sql_command( + 'ALTER TABLE list_parted2 DETACH PARTITION part_5; + ALTER TABLE part_5 DROP CONSTRAINT check_a;'); + +# scan should again be skipped, even though NOT NULL is now a column property +run_sql_command( + 'ALTER TABLE part_5 ADD CONSTRAINT check_a CHECK (a IN (5)), + ALTER a SET NOT NULL;' +); +$output = run_sql_command( + 'ALTER TABLE list_parted2 ATTACH PARTITION part_5 FOR VALUES IN (5);'); +ok(!($output =~ m/verifying table "part_5"/), 'table part_5 not scanned'); +ok($output =~ m/verifying table "list_parted2_def"/, + 'list_parted2_def scanned'); +ok( $output =~ + m/partition constraint for table "part_5" is implied by existing constraints/, + 'part_5 verified by existing constraints'); + +# Check the case where attnos of the partitioning columns in the table being +# attached differs from the parent. It should not affect the constraint- +# checking logic that allows to skip the scan. +run_sql_command( + 'CREATE TABLE part_6 ( + c int, + LIKE list_parted2, + CONSTRAINT check_a CHECK (a IS NOT NULL AND a = 6) + ); + ALTER TABLE part_6 DROP c;'); +$output = run_sql_command( + 'ALTER TABLE list_parted2 ATTACH PARTITION part_6 FOR VALUES IN (6);'); +ok(!($output =~ m/verifying table "part_6"/), 'table part_6 not scanned'); +ok($output =~ m/verifying table "list_parted2_def"/, + 'list_parted2_def scanned'); +ok( $output =~ + m/partition constraint for table "part_6" is implied by existing constraints/, + 'part_6 verified by existing constraints'); + +# Similar to above, but the table being attached is a partitioned table +# whose partition has still different attnos for the root partitioning +# columns. +run_sql_command( + 'CREATE TABLE part_7 ( + LIKE list_parted2, + CONSTRAINT check_a CHECK (a IS NOT NULL AND a = 7) + ) PARTITION BY LIST (b); + CREATE TABLE part_7_a_null ( + c int, + d int, + e int, + LIKE list_parted2, -- a will have attnum = 4 + CONSTRAINT check_b CHECK (b IS NULL OR b = \'a\'), + CONSTRAINT check_a CHECK (a IS NOT NULL AND a = 7) + ); + ALTER TABLE part_7_a_null DROP c, DROP d, DROP e;'); + +$output = run_sql_command( + 'ALTER TABLE part_7 ATTACH PARTITION part_7_a_null FOR VALUES IN (\'a\', null);' +); +ok(!is_table_verified($output), 'table not scanned'); +ok( $output =~ + m/partition constraint for table "part_7_a_null" is implied by existing constraints/, + 'part_7_a_null verified by existing constraints'); +$output = run_sql_command( + 'ALTER TABLE list_parted2 ATTACH PARTITION part_7 FOR VALUES IN (7);'); +ok(!is_table_verified($output), 'tables not scanned'); +ok( $output =~ + m/partition constraint for table "part_7" is implied by existing constraints/, + 'part_7 verified by existing constraints'); +ok( $output =~ + m/updated partition constraint for default partition "list_parted2_def" is implied by existing constraints/, + 'updated partition constraint for default partition list_parted2_def'); + +run_sql_command( + 'CREATE TABLE range_parted ( + a int, + b int + ) PARTITION BY RANGE (a, b); + CREATE TABLE range_part1 ( + a int NOT NULL CHECK (a = 1), + b int NOT NULL);'); + +$output = run_sql_command( + 'ALTER TABLE range_parted ATTACH PARTITION range_part1 FOR VALUES FROM (1, 1) TO (1, 10);' +); +ok(is_table_verified($output), 'table range_part1 scanned'); +ok( !( $output =~ + m/partition constraint for table "range_part1" is implied by existing constraints/ + ), + 'range_part1 not verified by existing constraints'); + +run_sql_command( + 'CREATE TABLE range_part2 ( + a int NOT NULL CHECK (a = 1), + b int NOT NULL CHECK (b >= 10 and b < 18) +);'); +$output = run_sql_command( + 'ALTER TABLE range_parted ATTACH PARTITION range_part2 FOR VALUES FROM (1, 10) TO (1, 20);' +); +ok(!is_table_verified($output), 'table range_part2 not scanned'); +ok( $output =~ + m/partition constraint for table "range_part2" is implied by existing constraints/, + 'range_part2 verified by existing constraints'); + +# If a partitioned table being created or an existing table being attached +# as a partition does not have a constraint that would allow validation scan +# to be skipped, but an individual partition does, then the partition's +# validation scan is skipped. +run_sql_command( + 'CREATE TABLE quuux (a int, b text) PARTITION BY LIST (a); + CREATE TABLE quuux_default PARTITION OF quuux DEFAULT PARTITION BY LIST (b); + CREATE TABLE quuux_default1 PARTITION OF quuux_default ( + CONSTRAINT check_1 CHECK (a IS NOT NULL AND a = 1) + ) FOR VALUES IN (\'b\'); + CREATE TABLE quuux1 (a int, b text);'); + +$output = run_sql_command( + 'ALTER TABLE quuux ATTACH PARTITION quuux1 FOR VALUES IN (1);'); +ok(is_table_verified($output), 'quuux1 table scanned'); +ok( !( $output =~ + m/partition constraint for table "quuux1" is implied by existing constraints/ + ), + 'quuux1 verified by existing constraints'); + +run_sql_command('CREATE TABLE quuux2 (a int, b text);'); +$output = run_sql_command( + 'ALTER TABLE quuux ATTACH PARTITION quuux2 FOR VALUES IN (2);'); +ok(!($output =~ m/verifying table "quuux_default1"/), + 'quuux_default1 not scanned'); +ok($output =~ m/verifying table "quuux2"/, 'quuux2 scanned'); +ok( $output =~ + m/updated partition constraint for default partition "quuux_default1" is implied by existing constraints/, + 'updated partition constraint for default partition quuux_default1'); +run_sql_command('DROP TABLE quuux1, quuux2;'); + +# should validate for quuux1, but not for quuux2 +$output = run_sql_command( + 'CREATE TABLE quuux1 PARTITION OF quuux FOR VALUES IN (1);'); +ok(!is_table_verified($output), 'tables not scanned'); +ok( !( $output =~ + m/partition constraint for table "quuux1" is implied by existing constraints/ + ), + 'quuux1 verified by existing constraints'); +$output = run_sql_command( + 'CREATE TABLE quuux2 PARTITION OF quuux FOR VALUES IN (2);'); +ok(!is_table_verified($output), 'tables not scanned'); +ok( $output =~ + m/updated partition constraint for default partition "quuux_default1" is implied by existing constraints/, + 'updated partition constraint for default partition quuux_default1'); +run_sql_command('DROP TABLE quuux;'); + +$node->stop('fast'); -- cgit v1.2.3