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# Test some logical replication DDL behavior
use strict;
use warnings;
use PostgresNode;
use TestLib;
use Test::More tests => 1;
sub wait_for_caught_up
{
my ($node, $appname) = @_;
$node->poll_query_until('postgres',
"SELECT pg_current_wal_lsn() <= replay_lsn FROM pg_stat_replication WHERE application_name = '$appname';"
) or die "Timed out while waiting for subscriber to catch up";
}
my $node_publisher = get_new_node('publisher');
$node_publisher->init(allows_streaming => 'logical');
$node_publisher->start;
my $node_subscriber = get_new_node('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';
my $appname = 'replication_test';
$node_publisher->safe_psql('postgres',
"CREATE PUBLICATION mypub FOR ALL TABLES;");
$node_subscriber->safe_psql('postgres',
"CREATE SUBSCRIPTION mysub CONNECTION '$publisher_connstr application_name=$appname' PUBLICATION mypub;"
);
wait_for_caught_up($node_publisher, $appname);
$node_subscriber->safe_psql('postgres', q{
BEGIN;
ALTER SUBSCRIPTION mysub DISABLE;
ALTER SUBSCRIPTION mysub SET (slot_name = NONE);
DROP SUBSCRIPTION mysub;
COMMIT;
});
pass "subscription disable and drop in same transaction did not hang";
$node_subscriber->stop;
$node_publisher->stop;
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