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b3b4d8e68a
The five modules in our TAP test framework all had names in the top level namespace. This is unwise because, even though we're not exporting them to CPAN, the names can leak, for example if they are exported by the RPM build process. We therefore move the modules to the PostgreSQL::Test namespace. In the process PostgresNode is renamed to Cluster, and TestLib is renamed to Utils. PostgresVersion becomes simply PostgreSQL::Version, to avoid possible confusion about what it's the version of. Discussion: https://postgr.es/m/aede93a4-7d92-ef26-398f-5094944c2504@dunslane.net Reviewed by Erik Rijkers and Michael Paquier
37 lines
1.2 KiB
Perl
37 lines
1.2 KiB
Perl
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# Copyright (c) 2021, PostgreSQL Global Development Group
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# Single-node test: value can be set, and is still present after recovery
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use strict;
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use warnings;
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use PostgreSQL::Test::Utils;
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use Test::More tests => 2;
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use PostgreSQL::Test::Cluster;
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my $node = PostgreSQL::Test::Cluster->new('foxtrot');
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$node->init;
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$node->append_conf('postgresql.conf', 'track_commit_timestamp = on');
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$node->start;
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# Create a table, compare "now()" to the commit TS of its xmin
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$node->safe_psql('postgres',
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'create table t as select now from (select now(), pg_sleep(1)) f');
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my $true = $node->safe_psql('postgres',
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'select t.now - ts.* < \'1s\' from t, pg_class c, pg_xact_commit_timestamp(c.xmin) ts where relname = \'t\''
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);
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is($true, 't', 'commit TS is set');
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my $ts = $node->safe_psql('postgres',
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'select ts.* from pg_class, pg_xact_commit_timestamp(xmin) ts where relname = \'t\''
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);
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# Verify that we read the same TS after crash recovery
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$node->stop('immediate');
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$node->start;
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my $recovered_ts = $node->safe_psql('postgres',
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'select ts.* from pg_class, pg_xact_commit_timestamp(xmin) ts where relname = \'t\''
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);
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is($recovered_ts, $ts, 'commit TS remains after crash recovery');
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