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64 lines
2.0 KiB
64 lines
2.0 KiB
# Test simple scenario involving a standby
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use strict;
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use warnings;
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use TestLib;
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use Test::More tests => 4;
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use PostgresNode;
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my $bkplabel = 'backup';
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my $master = get_new_node('master');
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$master->init(allows_streaming => 1);
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$master->append_conf(
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'postgresql.conf', qq{
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track_commit_timestamp = on
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max_wal_senders = 5
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});
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$master->start;
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$master->backup($bkplabel);
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my $standby = get_new_node('standby');
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$standby->init_from_backup($master, $bkplabel, has_streaming => 1);
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$standby->start;
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for my $i (1 .. 10)
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{
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$master->safe_psql('postgres', "create table t$i()");
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}
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my $master_ts = $master->safe_psql('postgres',
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qq{SELECT ts.* FROM pg_class, pg_xact_commit_timestamp(xmin) AS ts WHERE relname = 't10'}
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);
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my $master_lsn =
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$master->safe_psql('postgres', 'select pg_current_wal_lsn()');
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$standby->poll_query_until('postgres',
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qq{SELECT '$master_lsn'::pg_lsn <= pg_last_wal_replay_lsn()})
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or die "slave never caught up";
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my $standby_ts = $standby->safe_psql('postgres',
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qq{select ts.* from pg_class, pg_xact_commit_timestamp(xmin) ts where relname = 't10'}
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);
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is($master_ts, $standby_ts, "standby gives same value as master");
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$master->append_conf('postgresql.conf', 'track_commit_timestamp = off');
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$master->restart;
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$master->safe_psql('postgres', 'checkpoint');
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$master_lsn =
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$master->safe_psql('postgres', 'select pg_current_wal_lsn()');
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$standby->poll_query_until('postgres',
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qq{SELECT '$master_lsn'::pg_lsn <= pg_last_wal_replay_lsn()})
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or die "slave never caught up";
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$standby->safe_psql('postgres', 'checkpoint');
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# This one should raise an error now
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my ($ret, $standby_ts_stdout, $standby_ts_stderr) = $standby->psql('postgres',
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'select ts.* from pg_class, pg_xact_commit_timestamp(xmin) ts where relname = \'t10\''
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);
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is($ret, 3, 'standby errors when master turned feature off');
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is($standby_ts_stdout, '',
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"standby gives no value when master turned feature off");
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like(
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$standby_ts_stderr,
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qr/could not get commit timestamp data/,
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'expected error when master turned feature off');
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