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-rw-r--r--contrib/bloom/t/001_wal.pl93
1 files changed, 93 insertions, 0 deletions
diff --git a/contrib/bloom/t/001_wal.pl b/contrib/bloom/t/001_wal.pl
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+
+# Copyright (c) 2021, PostgreSQL Global Development Group
+
+# Test generic xlog record work for bloom index replication.
+use strict;
+use warnings;
+use PostgresNode;
+use TestLib;
+use Test::More;
+
+if (TestLib::has_wal_read_bug)
+{
+ # We'd prefer to use Test::More->builder->todo_start, but the bug causes
+ # this test file to die(), not merely to fail.
+ plan skip_all => 'filesystem bug';
+}
+else
+{
+ plan tests => 31;
+}
+
+my $node_primary;
+my $node_standby;
+
+# Run few queries on both primary and standby and check their results match.
+sub test_index_replay
+{
+ my ($test_name) = @_;
+
+ local $Test::Builder::Level = $Test::Builder::Level + 1;
+
+ # Wait for standby to catch up
+ $node_primary->wait_for_catchup($node_standby);
+
+ 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 $primary_result = $node_primary->safe_psql("postgres", $queries);
+ my $standby_result = $node_standby->safe_psql("postgres", $queries);
+
+ is($primary_result, $standby_result, "$test_name: query result matches");
+ return;
+}
+
+# Initialize primary node
+$node_primary = get_new_node('primary');
+$node_primary->init(allows_streaming => 1);
+$node_primary->start;
+my $backup_name = 'my_backup';
+
+# Take backup
+$node_primary->backup($backup_name);
+
+# Create streaming standby linking to primary
+$node_standby = get_new_node('standby');
+$node_standby->init_from_backup($node_primary, $backup_name,
+ has_streaming => 1);
+$node_standby->start;
+
+# Create some bloom index on primary
+$node_primary->safe_psql("postgres", "CREATE EXTENSION bloom;");
+$node_primary->safe_psql("postgres", "CREATE TABLE tst (i int4, t text);");
+$node_primary->safe_psql("postgres",
+ "INSERT INTO tst SELECT i%10, substr(md5(i::text), 1, 1) FROM generate_series(1,100000) i;"
+);
+$node_primary->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_primary->safe_psql("postgres", "DELETE FROM tst WHERE i = $i;");
+ test_index_replay("delete $i");
+ $node_primary->safe_psql("postgres", "VACUUM tst;");
+ test_index_replay("vacuum $i");
+ my ($start, $end) = (100001 + ($i - 1) * 10000, 100000 + $i * 10000);
+ $node_primary->safe_psql("postgres",
+ "INSERT INTO tst SELECT i%10, substr(md5(i::text), 1, 1) FROM generate_series($start,$end) i;"
+ );
+ test_index_replay("insert $i");
+}