postgresql/src/test/modules/xid_wraparound/t/003_wraparounds.pl

61 lines
1.5 KiB
Perl

# Copyright (c) 2023, PostgreSQL Global Development Group
#
# Consume a lot of XIDs, wrapping around a few times.
#
use strict;
use warnings;
use PostgreSQL::Test::Cluster;
use PostgreSQL::Test::Utils;
use Test::More;
use Time::HiRes qw(usleep);
if ($ENV{PG_TEST_EXTRA} !~ /\bxid_wraparound\b/)
{
plan skip_all => "test xid_wraparound not enabled in PG_TEST_EXTRA";
}
# Initialize node
my $node = PostgreSQL::Test::Cluster->new('wraparound');
$node->init;
$node->append_conf(
'postgresql.conf', qq[
autovacuum = off # run autovacuum only when to anti wraparound
autovacuum_naptime = 1s
# so it's easier to verify the order of operations
autovacuum_max_workers = 1
log_autovacuum_min_duration = 0
]);
$node->start;
$node->safe_psql('postgres', 'CREATE EXTENSION xid_wraparound');
# Create a test table
$node->safe_psql(
'postgres', qq[
CREATE TABLE wraparoundtest(t text);
INSERT INTO wraparoundtest VALUES ('beginning');
]);
# Bump the query timeout to avoid false negatives on slow test systems.
my $psql_timeout_secs = 4 * $PostgreSQL::Test::Utils::timeout_default;
# Burn through 10 billion transactions in total, in batches of 100 million.
my $ret;
for my $i (1 .. 100)
{
$ret = $node->safe_psql(
'postgres',
qq[SELECT consume_xids(100000000)],
timeout => $psql_timeout_secs);
$ret = $node->safe_psql('postgres',
qq[INSERT INTO wraparoundtest VALUES ('after $i batches')]);
}
$ret = $node->safe_psql('postgres', qq[SELECT COUNT(*) FROM wraparoundtest]);
is($ret, "101");
$node->stop;
done_testing();