76 lines
2.5 KiB
Perl
76 lines
2.5 KiB
Perl
# 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 PostgresNode;
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use TestLib;
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use Test::More tests => 31;
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my $node_master;
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my $node_standby;
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# Run few queries on both master and standby and check their results match.
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sub test_index_replay
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{
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my ($test_name) = @_;
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# Wait for standby to catch up
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my $applname = $node_standby->name;
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my $caughtup_query =
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"SELECT pg_current_xlog_location() <= write_location FROM pg_stat_replication WHERE application_name = '$applname';";
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$node_master->poll_query_until('postgres', $caughtup_query)
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or die "Timed out while waiting for standby 1 to catch up";
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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 $master_result = $node_master->psql("postgres", $queries);
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my $standby_result = $node_standby->psql("postgres", $queries);
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is($master_result, $standby_result, "$test_name: query result matches");
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}
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# Initialize master node
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$node_master = get_new_node('master');
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$node_master->init(allows_streaming => 1);
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$node_master->start;
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my $backup_name = 'my_backup';
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# Take backup
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$node_master->backup($backup_name);
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# Create streaming standby linking to master
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$node_standby = get_new_node('standby');
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$node_standby->init_from_backup($node_master, $backup_name,
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has_streaming => 1);
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$node_standby->start;
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# Create some bloom index on master
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$node_master->psql("postgres", "CREATE EXTENSION bloom;");
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$node_master->psql("postgres", "CREATE TABLE tst (i int4, t text);");
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$node_master->psql("postgres", "INSERT INTO tst SELECT i%10, substr(md5(i::text), 1, 1) FROM generate_series(1,100000) i;");
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$node_master->psql("postgres", "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_master->psql("postgres", "DELETE FROM tst WHERE i = $i;");
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test_index_replay("delete $i");
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$node_master->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_master->psql("postgres", "INSERT INTO tst SELECT i%10, substr(md5(i::text), 1, 1) FROM generate_series($start,$end) i;");
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test_index_replay("insert $i");
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}
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