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Diffstat (limited to '')
-rw-r--r-- | contrib/bloom/t/001_wal.pl | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/contrib/bloom/t/001_wal.pl b/contrib/bloom/t/001_wal.pl new file mode 100644 index 0000000..0f2628b --- /dev/null +++ b/contrib/bloom/t/001_wal.pl @@ -0,0 +1,81 @@ +# Test generic xlog record work for bloom index replication. +use strict; +use warnings; +use PostgresNode; +use TestLib; +use Test::More tests => 31; + +my $node_master; +my $node_standby; + +# Run few queries on both master and standby and check their results match. +sub test_index_replay +{ + my ($test_name) = @_; + + # Wait for standby to catch up + my $applname = $node_standby->name; + my $caughtup_query = + "SELECT pg_current_wal_lsn() <= write_lsn FROM pg_stat_replication WHERE application_name = '$applname';"; + $node_master->poll_query_until('postgres', $caughtup_query) + or die "Timed out while waiting for standby 1 to catch up"; + + my $queries = qq(SET enable_seqscan=off; +SET enable_bitmapscan=on; +SET enable_indexscan=on; +SELECT * FROM tst WHERE i = 0; +SELECT * FROM tst WHERE i = 3; +SELECT * FROM tst WHERE t = 'b'; +SELECT * FROM tst WHERE t = 'f'; +SELECT * FROM tst WHERE i = 3 AND t = 'c'; +SELECT * FROM tst WHERE i = 7 AND t = 'e'; +); + + # Run test queries and compare their result + my $master_result = $node_master->safe_psql("postgres", $queries); + my $standby_result = $node_standby->safe_psql("postgres", $queries); + + is($master_result, $standby_result, "$test_name: query result matches"); + return; +} + +# Initialize master node +$node_master = get_new_node('master'); +$node_master->init(allows_streaming => 1); +$node_master->start; +my $backup_name = 'my_backup'; + +# Take backup +$node_master->backup($backup_name); + +# Create streaming standby linking to master +$node_standby = get_new_node('standby'); +$node_standby->init_from_backup($node_master, $backup_name, + has_streaming => 1); +$node_standby->start; + +# Create some bloom index on master +$node_master->safe_psql("postgres", "CREATE EXTENSION bloom;"); +$node_master->safe_psql("postgres", "CREATE TABLE tst (i int4, t text);"); +$node_master->safe_psql("postgres", + "INSERT INTO tst SELECT i%10, substr(md5(i::text), 1, 1) FROM generate_series(1,100000) i;" +); +$node_master->safe_psql("postgres", + "CREATE INDEX bloomidx ON tst USING bloom (i, t) WITH (col1 = 3);"); + +# Test that queries give same result +test_index_replay('initial'); + +# Run 10 cycles of table modification. Run test queries after each modification. +for my $i (1 .. 10) +{ + $node_master->safe_psql("postgres", "DELETE FROM tst WHERE i = $i;"); + test_index_replay("delete $i"); + $node_master->safe_psql("postgres", "VACUUM tst;"); + test_index_replay("vacuum $i"); + my ($start, $end) = (100001 + ($i - 1) * 10000, 100000 + $i * 10000); + $node_master->safe_psql("postgres", + "INSERT INTO tst SELECT i%10, substr(md5(i::text), 1, 1) FROM generate_series($start,$end) i;" + ); + test_index_replay("insert $i"); +} |