85 lines
2.5 KiB
Perl
85 lines
2.5 KiB
Perl
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# Copyright (c) 2021-2022, PostgreSQL Global Development Group
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# Test generic xlog record work for bloom index replication.
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use strict;
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use warnings;
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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_primary;
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my $node_standby;
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# Run few queries on both primary and standby and check their results match.
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sub test_index_replay
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{
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my ($test_name) = @_;
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local $Test::Builder::Level = $Test::Builder::Level + 1;
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# Wait for standby to catch up
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$node_primary->wait_for_catchup($node_standby);
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my $queries = qq(SET enable_seqscan=off;
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SET enable_bitmapscan=on;
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SET enable_indexscan=on;
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SELECT * FROM tst WHERE i = 0;
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SELECT * FROM tst WHERE i = 3;
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SELECT * FROM tst WHERE t = 'b';
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SELECT * FROM tst WHERE t = 'f';
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SELECT * FROM tst WHERE i = 3 AND t = 'c';
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SELECT * FROM tst WHERE i = 7 AND t = 'e';
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);
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# Run test queries and compare their result
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my $primary_result = $node_primary->safe_psql("postgres", $queries);
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my $standby_result = $node_standby->safe_psql("postgres", $queries);
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is($primary_result, $standby_result, "$test_name: query result matches");
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return;
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}
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# Initialize primary node
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$node_primary = PostgreSQL::Test::Cluster->new('primary');
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$node_primary->init(allows_streaming => 1);
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$node_primary->start;
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my $backup_name = 'my_backup';
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# Take backup
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$node_primary->backup($backup_name);
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# Create streaming standby linking to primary
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$node_standby = PostgreSQL::Test::Cluster->new('standby');
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$node_standby->init_from_backup($node_primary, $backup_name,
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has_streaming => 1);
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$node_standby->start;
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# Create some bloom index on primary
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$node_primary->safe_psql("postgres", "CREATE EXTENSION bloom;");
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$node_primary->safe_psql("postgres", "CREATE TABLE tst (i int4, t text);");
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$node_primary->safe_psql("postgres",
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"INSERT INTO tst SELECT i%10, substr(md5(i::text), 1, 1) FROM generate_series(1,100000) i;"
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);
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$node_primary->safe_psql("postgres",
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"CREATE INDEX bloomidx ON tst USING bloom (i, t) WITH (col1 = 3);");
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# Test that queries give same result
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test_index_replay('initial');
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# Run 10 cycles of table modification. Run test queries after each modification.
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for my $i (1 .. 10)
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{
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$node_primary->safe_psql("postgres", "DELETE FROM tst WHERE i = $i;");
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test_index_replay("delete $i");
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$node_primary->safe_psql("postgres", "VACUUM tst;");
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test_index_replay("vacuum $i");
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my ($start, $end) = (100001 + ($i - 1) * 10000, 100000 + $i * 10000);
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$node_primary->safe_psql("postgres",
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"INSERT INTO tst SELECT i%10, substr(md5(i::text), 1, 1) FROM generate_series($start,$end) i;"
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);
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test_index_replay("insert $i");
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}
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done_testing();
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