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54 lines
1.4 KiB
Perl
54 lines
1.4 KiB
Perl
# Copyright (c) 2023-2025, PostgreSQL Global Development Group
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# Tests for checking that pg_stat_statements contents are preserved
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# across restarts.
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use strict;
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use warnings FATAL => 'all';
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use PostgreSQL::Test::Cluster;
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use PostgreSQL::Test::Utils;
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use Test::More;
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my $node = PostgreSQL::Test::Cluster->new('main');
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$node->init;
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$node->append_conf('postgresql.conf',
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"shared_preload_libraries = 'pg_stat_statements'");
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$node->start;
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$node->safe_psql('postgres', 'CREATE EXTENSION pg_stat_statements');
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$node->safe_psql('postgres', 'CREATE TABLE t1 (a int)');
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$node->safe_psql('postgres', 'SELECT a FROM t1');
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is( $node->safe_psql(
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'postgres',
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"SELECT query FROM pg_stat_statements WHERE query NOT LIKE '%pg_stat_statements%' ORDER BY query"
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),
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"CREATE TABLE t1 (a int)\nSELECT a FROM t1",
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'pg_stat_statements populated');
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$node->restart;
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is( $node->safe_psql(
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'postgres',
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"SELECT query FROM pg_stat_statements WHERE query NOT LIKE '%pg_stat_statements%' ORDER BY query"
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),
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"CREATE TABLE t1 (a int)\nSELECT a FROM t1",
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'pg_stat_statements data kept across restart');
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$node->append_conf('postgresql.conf', "pg_stat_statements.save = false");
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$node->reload;
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$node->restart;
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is( $node->safe_psql(
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'postgres',
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"SELECT count(*) FROM pg_stat_statements WHERE query NOT LIKE '%pg_stat_statements%'"
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),
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'0',
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'pg_stat_statements data not kept across restart with .save=false');
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$node->stop;
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done_testing();
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