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Commit46cf109

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Add simple test for physical replication of sequences.
AFAICS we had no coverage of this point except in the seldom-used,slated-for-removal standby_schedule test suite. Sequence updatesare enough different from regular table updates that it seems worthcovering them explicitly in src/test/recovery.Discussion:https://postgr.es/m/999497.1641431891@sss.pgh.pa.us
1 parent20b9fa3 commit46cf109

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‎src/test/recovery/t/001_stream_rep.pl

Lines changed: 20 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -6,7 +6,7 @@
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use warnings;
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use PostgreSQL::Test::Cluster;
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use PostgreSQL::Test::Utils;
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use Test::Moretests=>53;
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use Test::Moretests=>55;
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# Initialize primary node
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my$node_primary = PostgreSQL::Test::Cluster->new('primary');
@@ -42,7 +42,7 @@
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has_streaming=> 1);
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$node_standby_2->start;
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# Create some content on primary and check its presence in standby1
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# Create some content on primary and check its presence in standbynodes
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$node_primary->safe_psql('postgres',
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"CREATE TABLE tab_int AS SELECT generate_series(1,1002) AS a");
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@@ -62,6 +62,24 @@
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print"standby 2:$result\n";
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is($result,qq(1002),'check streamed content on standby 2');
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# Likewise, but for a sequence
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$node_primary->safe_psql('postgres',
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"CREATE SEQUENCE seq1; SELECT nextval('seq1')");
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# Wait for standbys to catch up
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$node_primary->wait_for_catchup($node_standby_1,'replay',
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$node_primary->lsn('insert'));
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$node_standby_1->wait_for_catchup($node_standby_2,'replay',
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$node_standby_1->lsn('replay'));
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$result =$node_standby_1->safe_psql('postgres',"SELECT * FROM seq1");
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print"standby 1:$result\n";
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is($result,qq(33|0|t),'check streamed sequence content on standby 1');
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$result =$node_standby_2->safe_psql('postgres',"SELECT * FROM seq1");
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print"standby 2:$result\n";
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is($result,qq(33|0|t),'check streamed sequence content on standby 2');
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# Check that only READ-only queries can run on standbys
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is($node_standby_1->psql('postgres','INSERT INTO tab_int VALUES (1)'),
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3,'read-only queries on standby 1');

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