Adding upstream version 15.5.upstream/15.5

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 84 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..9416a64
--- /dev/null
+++ b/contrib/bloom/t/001_wal.pl
@@ -0,0 +1,84 @@
+
+# Copyright (c) 2021-2022, PostgreSQL Global Development Group
+
+# Test generic xlog record work for bloom index replication.
+use strict;
+use warnings;
+use PostgreSQL::Test::Cluster;
+use PostgreSQL::Test::Utils;
+use Test::More;
+
+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
+$node_primary = PostgreSQL::Test::Cluster->new('primary');
+$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 = PostgreSQL::Test::Cluster->new('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");
+}
+
+done_testing();