# Copyright (c) 2021-2023, PostgreSQL Global Development Group # Test logical replication behavior with heap rewrites use strict; use warnings; use PostgreSQL::Test::Cluster; use PostgreSQL::Test::Utils; use Test::More; my $node_publisher = PostgreSQL::Test::Cluster->new('publisher'); $node_publisher->init(allows_streaming => 'logical'); $node_publisher->start; my $node_subscriber = PostgreSQL::Test::Cluster->new('subscriber'); $node_subscriber->init(allows_streaming => 'logical'); $node_subscriber->start; my $ddl = "CREATE TABLE test1 (a int, b text);"; $node_publisher->safe_psql('postgres', $ddl); $node_subscriber->safe_psql('postgres', $ddl); my $publisher_connstr = $node_publisher->connstr . ' dbname=postgres'; $node_publisher->safe_psql('postgres', "CREATE PUBLICATION mypub FOR ALL TABLES;"); $node_subscriber->safe_psql('postgres', "CREATE SUBSCRIPTION mysub CONNECTION '$publisher_connstr' PUBLICATION mypub;" ); # Wait for initial sync to finish $node_subscriber->wait_for_subscription_sync($node_publisher, 'mysub'); $node_publisher->safe_psql('postgres', q{INSERT INTO test1 (a, b) VALUES (1, 'one'), (2, 'two');}); $node_publisher->wait_for_catchup('mysub'); is( $node_subscriber->safe_psql('postgres', q{SELECT a, b FROM test1}), qq(1|one 2|two), 'initial data replicated to subscriber'); # DDL that causes a heap rewrite my $ddl2 = "ALTER TABLE test1 ADD c int NOT NULL DEFAULT 0;"; $node_subscriber->safe_psql('postgres', $ddl2); $node_publisher->safe_psql('postgres', $ddl2); $node_publisher->wait_for_catchup('mysub'); $node_publisher->safe_psql('postgres', q{INSERT INTO test1 (a, b, c) VALUES (3, 'three', 33);}); $node_publisher->wait_for_catchup('mysub'); is( $node_subscriber->safe_psql('postgres', q{SELECT a, b, c FROM test1}), qq(1|one|0 2|two|0 3|three|33), 'data replicated to subscriber'); $node_subscriber->stop; $node_publisher->stop; done_testing();