diff options
Diffstat (limited to 'src/test/subscription/t/001_rep_changes.pl')
-rw-r--r-- | src/test/subscription/t/001_rep_changes.pl | 563 |
1 files changed, 563 insertions, 0 deletions
diff --git a/src/test/subscription/t/001_rep_changes.pl b/src/test/subscription/t/001_rep_changes.pl new file mode 100644 index 0000000..6ed9265 --- /dev/null +++ b/src/test/subscription/t/001_rep_changes.pl @@ -0,0 +1,563 @@ + +# Copyright (c) 2021-2022, PostgreSQL Global Development Group + +# Basic logical replication test +use strict; +use warnings; +use PostgreSQL::Test::Cluster; +use PostgreSQL::Test::Utils; +use Test::More; + +# Initialize publisher node +my $node_publisher = PostgreSQL::Test::Cluster->new('publisher'); +$node_publisher->init(allows_streaming => 'logical'); +$node_publisher->start; + +# Create subscriber node +my $node_subscriber = PostgreSQL::Test::Cluster->new('subscriber'); +$node_subscriber->init(allows_streaming => 'logical'); +$node_subscriber->start; + +# Create some preexisting content on publisher +$node_publisher->safe_psql( + 'postgres', + "CREATE FUNCTION public.pg_get_replica_identity_index(int) + RETURNS regclass LANGUAGE sql AS 'SELECT 1/0'"); # shall not call +$node_publisher->safe_psql('postgres', + "CREATE TABLE tab_notrep AS SELECT generate_series(1,10) AS a"); +$node_publisher->safe_psql('postgres', + "CREATE TABLE tab_ins AS SELECT generate_series(1,1002) AS a"); +$node_publisher->safe_psql('postgres', + "CREATE TABLE tab_full AS SELECT generate_series(1,10) AS a"); +$node_publisher->safe_psql('postgres', "CREATE TABLE tab_full2 (x text)"); +$node_publisher->safe_psql('postgres', + "INSERT INTO tab_full2 VALUES ('a'), ('b'), ('b')"); +$node_publisher->safe_psql('postgres', + "CREATE TABLE tab_rep (a int primary key)"); +$node_publisher->safe_psql('postgres', + "CREATE TABLE tab_mixed (a int primary key, b text, c numeric)"); +$node_publisher->safe_psql('postgres', + "INSERT INTO tab_mixed (a, b, c) VALUES (1, 'foo', 1.1)"); +$node_publisher->safe_psql('postgres', + "CREATE TABLE tab_include (a int, b text, CONSTRAINT covering PRIMARY KEY(a) INCLUDE(b))" +); +$node_publisher->safe_psql('postgres', + "CREATE TABLE tab_full_pk (a int primary key, b text)"); +$node_publisher->safe_psql('postgres', + "ALTER TABLE tab_full_pk REPLICA IDENTITY FULL"); +# Let this table with REPLICA IDENTITY NOTHING, allowing only INSERT changes. +$node_publisher->safe_psql('postgres', "CREATE TABLE tab_nothing (a int)"); +$node_publisher->safe_psql('postgres', + "ALTER TABLE tab_nothing REPLICA IDENTITY NOTHING"); + +# Replicate the changes without replica identity index +$node_publisher->safe_psql('postgres', + "CREATE TABLE tab_no_replidentity_index(c1 int)"); +$node_publisher->safe_psql('postgres', + "CREATE INDEX idx_no_replidentity_index ON tab_no_replidentity_index(c1)" +); + +# Setup structure on subscriber +$node_subscriber->safe_psql('postgres', "CREATE TABLE tab_notrep (a int)"); +$node_subscriber->safe_psql('postgres', "CREATE TABLE tab_ins (a int)"); +$node_subscriber->safe_psql('postgres', "CREATE TABLE tab_full (a int)"); +$node_subscriber->safe_psql('postgres', "CREATE TABLE tab_full2 (x text)"); +$node_subscriber->safe_psql('postgres', + "CREATE TABLE tab_rep (a int primary key)"); +$node_subscriber->safe_psql('postgres', + "CREATE TABLE tab_full_pk (a int primary key, b text)"); +$node_subscriber->safe_psql('postgres', + "ALTER TABLE tab_full_pk REPLICA IDENTITY FULL"); +$node_subscriber->safe_psql('postgres', "CREATE TABLE tab_nothing (a int)"); + +# different column count and order than on publisher +$node_subscriber->safe_psql('postgres', + "CREATE TABLE tab_mixed (d text default 'local', c numeric, b text, a int primary key)" +); + +# replication of the table with included index +$node_subscriber->safe_psql('postgres', + "CREATE TABLE tab_include (a int, b text, CONSTRAINT covering PRIMARY KEY(a) INCLUDE(b))" +); + +# replication of the table without replica identity index +$node_subscriber->safe_psql('postgres', + "CREATE TABLE tab_no_replidentity_index(c1 int)"); +$node_subscriber->safe_psql('postgres', + "CREATE INDEX idx_no_replidentity_index ON tab_no_replidentity_index(c1)" +); + +# Setup logical replication +my $publisher_connstr = $node_publisher->connstr . ' dbname=postgres'; +$node_publisher->safe_psql('postgres', "CREATE PUBLICATION tap_pub"); +$node_publisher->safe_psql('postgres', + "CREATE PUBLICATION tap_pub_ins_only WITH (publish = insert)"); +$node_publisher->safe_psql('postgres', + "ALTER PUBLICATION tap_pub ADD TABLE tab_rep, tab_full, tab_full2, tab_mixed, tab_include, tab_nothing, tab_full_pk, tab_no_replidentity_index" +); +$node_publisher->safe_psql('postgres', + "ALTER PUBLICATION tap_pub_ins_only ADD TABLE tab_ins"); + +$node_subscriber->safe_psql('postgres', + "CREATE SUBSCRIPTION tap_sub CONNECTION '$publisher_connstr' PUBLICATION tap_pub, tap_pub_ins_only" +); + +# Wait for initial table sync to finish +$node_subscriber->wait_for_subscription_sync($node_publisher, 'tap_sub'); + +my $result = + $node_subscriber->safe_psql('postgres', "SELECT count(*) FROM tab_notrep"); +is($result, qq(0), 'check non-replicated table is empty on subscriber'); + +$result = + $node_subscriber->safe_psql('postgres', "SELECT count(*) FROM tab_ins"); +is($result, qq(1002), 'check initial data was copied to subscriber'); + +$node_publisher->safe_psql('postgres', + "INSERT INTO tab_ins SELECT generate_series(1,50)"); +$node_publisher->safe_psql('postgres', "DELETE FROM tab_ins WHERE a > 20"); +$node_publisher->safe_psql('postgres', "UPDATE tab_ins SET a = -a"); + +$node_publisher->safe_psql('postgres', + "INSERT INTO tab_rep SELECT generate_series(1,50)"); +$node_publisher->safe_psql('postgres', "DELETE FROM tab_rep WHERE a > 20"); +$node_publisher->safe_psql('postgres', "UPDATE tab_rep SET a = -a"); + +$node_publisher->safe_psql('postgres', + "INSERT INTO tab_mixed VALUES (2, 'bar', 2.2)"); + +$node_publisher->safe_psql('postgres', + "INSERT INTO tab_full_pk VALUES (1, 'foo'), (2, 'baz')"); + +$node_publisher->safe_psql('postgres', + "INSERT INTO tab_nothing VALUES (generate_series(1,20))"); + +$node_publisher->safe_psql('postgres', + "INSERT INTO tab_include SELECT generate_series(1,50)"); +$node_publisher->safe_psql('postgres', + "DELETE FROM tab_include WHERE a > 20"); +$node_publisher->safe_psql('postgres', "UPDATE tab_include SET a = -a"); + +$node_publisher->safe_psql('postgres', + "INSERT INTO tab_no_replidentity_index VALUES(1)"); + +$node_publisher->wait_for_catchup('tap_sub'); + +$result = $node_subscriber->safe_psql('postgres', + "SELECT count(*), min(a), max(a) FROM tab_ins"); +is($result, qq(1052|1|1002), 'check replicated inserts on subscriber'); + +$result = $node_subscriber->safe_psql('postgres', + "SELECT count(*), min(a), max(a) FROM tab_rep"); +is($result, qq(20|-20|-1), 'check replicated changes on subscriber'); + +$result = $node_subscriber->safe_psql('postgres', "SELECT * FROM tab_mixed"); +is( $result, qq(local|1.1|foo|1 +local|2.2|bar|2), 'check replicated changes with different column order'); + +$result = + $node_subscriber->safe_psql('postgres', "SELECT count(*) FROM tab_nothing"); +is($result, qq(20), 'check replicated changes with REPLICA IDENTITY NOTHING'); + +$result = $node_subscriber->safe_psql('postgres', + "SELECT count(*), min(a), max(a) FROM tab_include"); +is($result, qq(20|-20|-1), + 'check replicated changes with primary key index with included columns'); + +is( $node_subscriber->safe_psql( + 'postgres', q(SELECT c1 FROM tab_no_replidentity_index)), + 1, + "value replicated to subscriber without replica identity index"); + +# insert some duplicate rows +$node_publisher->safe_psql('postgres', + "INSERT INTO tab_full SELECT generate_series(1,10)"); + +# Test behaviour of ALTER PUBLICATION ... DROP TABLE +# +# When a publisher drops a table from publication, it should also stop sending +# its changes to subscribers. We look at the subscriber whether it receives +# the row that is inserted to the table on the publisher after it is dropped +# from the publication. +$result = $node_subscriber->safe_psql('postgres', + "SELECT count(*), min(a), max(a) FROM tab_ins"); +is($result, qq(1052|1|1002), + 'check rows on subscriber before table drop from publication'); + +# Drop the table from publication +$node_publisher->safe_psql('postgres', + "ALTER PUBLICATION tap_pub_ins_only DROP TABLE tab_ins"); + +# Insert a row in publisher, but publisher will not send this row to subscriber +$node_publisher->safe_psql('postgres', "INSERT INTO tab_ins VALUES(8888)"); + +$node_publisher->wait_for_catchup('tap_sub'); + +# Subscriber will not receive the inserted row, after table is dropped from +# publication, so row count should remain the same. +$result = $node_subscriber->safe_psql('postgres', + "SELECT count(*), min(a), max(a) FROM tab_ins"); +is($result, qq(1052|1|1002), + 'check rows on subscriber after table drop from publication'); + +# Delete the inserted row in publisher +$node_publisher->safe_psql('postgres', "DELETE FROM tab_ins WHERE a = 8888"); + +# Add the table to publication again +$node_publisher->safe_psql('postgres', + "ALTER PUBLICATION tap_pub_ins_only ADD TABLE tab_ins"); + +# Refresh publication after table is added to publication +$node_subscriber->safe_psql('postgres', + "ALTER SUBSCRIPTION tap_sub REFRESH PUBLICATION"); + +# Test replication with multiple publications for a subscription such that the +# operations are performed on the table from the first publication in the list. + +# Create tables on publisher +$node_publisher->safe_psql('postgres', "CREATE TABLE temp1 (a int)"); +$node_publisher->safe_psql('postgres', "CREATE TABLE temp2 (a int)"); + +# Create tables on subscriber +$node_subscriber->safe_psql('postgres', "CREATE TABLE temp1 (a int)"); +$node_subscriber->safe_psql('postgres', "CREATE TABLE temp2 (a int)"); + +# Setup logical replication that will only be used for this test +$node_publisher->safe_psql('postgres', + "CREATE PUBLICATION tap_pub_temp1 FOR TABLE temp1 WITH (publish = insert)" +); +$node_publisher->safe_psql('postgres', + "CREATE PUBLICATION tap_pub_temp2 FOR TABLE temp2"); +$node_subscriber->safe_psql('postgres', + "CREATE SUBSCRIPTION tap_sub_temp1 CONNECTION '$publisher_connstr' PUBLICATION tap_pub_temp1, tap_pub_temp2" +); + +# Wait for initial table sync to finish +$node_subscriber->wait_for_subscription_sync($node_publisher, 'tap_sub_temp1'); + +# Subscriber table will have no rows initially +$result = + $node_subscriber->safe_psql('postgres', "SELECT count(*) FROM temp1"); +is($result, qq(0), + 'check initial rows on subscriber with multiple publications'); + +# Insert a row into the table that's part of first publication in subscriber +# list of publications. +$node_publisher->safe_psql('postgres', "INSERT INTO temp1 VALUES (1)"); + +$node_publisher->wait_for_catchup('tap_sub_temp1'); + +# Subscriber should receive the inserted row +$result = + $node_subscriber->safe_psql('postgres', "SELECT count(*) FROM temp1"); +is($result, qq(1), 'check rows on subscriber with multiple publications'); + +# Drop subscription as we don't need it anymore +$node_subscriber->safe_psql('postgres', "DROP SUBSCRIPTION tap_sub_temp1"); + +# Drop publications as we don't need them anymore +$node_publisher->safe_psql('postgres', "DROP PUBLICATION tap_pub_temp1"); +$node_publisher->safe_psql('postgres', "DROP PUBLICATION tap_pub_temp2"); + +# Clean up the tables on both publisher and subscriber as we don't need them +$node_publisher->safe_psql('postgres', "DROP TABLE temp1"); +$node_publisher->safe_psql('postgres', "DROP TABLE temp2"); +$node_subscriber->safe_psql('postgres', "DROP TABLE temp1"); +$node_subscriber->safe_psql('postgres', "DROP TABLE temp2"); + +# add REPLICA IDENTITY FULL so we can update +$node_publisher->safe_psql('postgres', + "ALTER TABLE tab_full REPLICA IDENTITY FULL"); +$node_subscriber->safe_psql('postgres', + "ALTER TABLE tab_full REPLICA IDENTITY FULL"); +$node_publisher->safe_psql('postgres', + "ALTER TABLE tab_full2 REPLICA IDENTITY FULL"); +$node_subscriber->safe_psql('postgres', + "ALTER TABLE tab_full2 REPLICA IDENTITY FULL"); +$node_publisher->safe_psql('postgres', + "ALTER TABLE tab_ins REPLICA IDENTITY FULL"); +$node_subscriber->safe_psql('postgres', + "ALTER TABLE tab_ins REPLICA IDENTITY FULL"); +# tab_mixed can use DEFAULT, since it has a primary key + +# and do the updates +$node_publisher->safe_psql('postgres', "UPDATE tab_full SET a = a * a"); +$node_publisher->safe_psql('postgres', + "UPDATE tab_full2 SET x = 'bb' WHERE x = 'b'"); +$node_publisher->safe_psql('postgres', + "UPDATE tab_mixed SET b = 'baz' WHERE a = 1"); +$node_publisher->safe_psql('postgres', + "UPDATE tab_full_pk SET b = 'bar' WHERE a = 1"); + +$node_publisher->wait_for_catchup('tap_sub'); + +$result = $node_subscriber->safe_psql('postgres', + "SELECT count(*), min(a), max(a) FROM tab_full"); +is($result, qq(20|1|100), + 'update works with REPLICA IDENTITY FULL and duplicate tuples'); + +$result = $node_subscriber->safe_psql('postgres', + "SELECT x FROM tab_full2 ORDER BY 1"); +is( $result, qq(a +bb +bb), + 'update works with REPLICA IDENTITY FULL and text datums'); + +$result = $node_subscriber->safe_psql('postgres', + "SELECT * FROM tab_mixed ORDER BY a"); +is( $result, qq(local|1.1|baz|1 +local|2.2|bar|2), + 'update works with different column order and subscriber local values'); + +$result = $node_subscriber->safe_psql('postgres', + "SELECT * FROM tab_full_pk ORDER BY a"); +is( $result, qq(1|bar +2|baz), + 'update works with REPLICA IDENTITY FULL and a primary key'); + +# Check that subscriber handles cases where update/delete target tuple +# is missing. We have to look for the DEBUG1 log messages about that, +# so temporarily bump up the log verbosity. +$node_subscriber->append_conf('postgresql.conf', "log_min_messages = debug1"); +$node_subscriber->reload; + +$node_subscriber->safe_psql('postgres', "DELETE FROM tab_full_pk"); + +# Note that the current location of the log file is not grabbed immediately +# after reloading the configuration, but after sending one SQL command to +# the node so as we are sure that the reloading has taken effect. +my $log_location = -s $node_subscriber->logfile; + +$node_publisher->safe_psql('postgres', + "UPDATE tab_full_pk SET b = 'quux' WHERE a = 1"); +$node_publisher->safe_psql('postgres', "DELETE FROM tab_full_pk WHERE a = 2"); + +$node_publisher->wait_for_catchup('tap_sub'); + +my $logfile = slurp_file($node_subscriber->logfile, $log_location); +ok( $logfile =~ + qr/logical replication did not find row to be updated in replication target relation "tab_full_pk"/, + 'update target row is missing'); +ok( $logfile =~ + qr/logical replication did not find row to be deleted in replication target relation "tab_full_pk"/, + 'delete target row is missing'); + +$node_subscriber->append_conf('postgresql.conf', + "log_min_messages = warning"); +$node_subscriber->reload; + +# check behavior with toasted values + +$node_publisher->safe_psql('postgres', + "UPDATE tab_mixed SET b = repeat('xyzzy', 100000) WHERE a = 2"); + +$node_publisher->wait_for_catchup('tap_sub'); + +$result = $node_subscriber->safe_psql('postgres', + "SELECT a, length(b), c, d FROM tab_mixed ORDER BY a"); +is( $result, qq(1|3|1.1|local +2|500000|2.2|local), + 'update transmits large column value'); + +$node_publisher->safe_psql('postgres', + "UPDATE tab_mixed SET c = 3.3 WHERE a = 2"); + +$node_publisher->wait_for_catchup('tap_sub'); + +$result = $node_subscriber->safe_psql('postgres', + "SELECT a, length(b), c, d FROM tab_mixed ORDER BY a"); +is( $result, qq(1|3|1.1|local +2|500000|3.3|local), + 'update with non-transmitted large column value'); + +# check behavior with dropped columns + +# this update should get transmitted before the column goes away +$node_publisher->safe_psql('postgres', + "UPDATE tab_mixed SET b = 'bar', c = 2.2 WHERE a = 2"); + +$node_publisher->safe_psql('postgres', "ALTER TABLE tab_mixed DROP COLUMN b"); + +$node_publisher->safe_psql('postgres', + "UPDATE tab_mixed SET c = 11.11 WHERE a = 1"); + +$node_publisher->wait_for_catchup('tap_sub'); + +$result = $node_subscriber->safe_psql('postgres', + "SELECT * FROM tab_mixed ORDER BY a"); +is( $result, qq(local|11.11|baz|1 +local|2.2|bar|2), + 'update works with dropped publisher column'); + +$node_subscriber->safe_psql('postgres', + "ALTER TABLE tab_mixed DROP COLUMN d"); + +$node_publisher->safe_psql('postgres', + "UPDATE tab_mixed SET c = 22.22 WHERE a = 2"); + +$node_publisher->wait_for_catchup('tap_sub'); + +$result = $node_subscriber->safe_psql('postgres', + "SELECT * FROM tab_mixed ORDER BY a"); +is( $result, qq(11.11|baz|1 +22.22|bar|2), + 'update works with dropped subscriber column'); + +# check that change of connection string and/or publication list causes +# restart of subscription workers. We check the state along with +# application_name to ensure that the walsender is (re)started. +# +# Not all of these are registered as tests as we need to poll for a change +# but the test suite will fail nonetheless when something goes wrong. +my $oldpid = $node_publisher->safe_psql('postgres', + "SELECT pid FROM pg_stat_replication WHERE application_name = 'tap_sub' AND state = 'streaming';" +); +$node_subscriber->safe_psql('postgres', + "ALTER SUBSCRIPTION tap_sub CONNECTION '$publisher_connstr sslmode=disable'" +); +$node_publisher->poll_query_until('postgres', + "SELECT pid != $oldpid FROM pg_stat_replication WHERE application_name = 'tap_sub' AND state = 'streaming';" + ) + or die + "Timed out while waiting for apply to restart after changing CONNECTION"; + +$oldpid = $node_publisher->safe_psql('postgres', + "SELECT pid FROM pg_stat_replication WHERE application_name = 'tap_sub' AND state = 'streaming';" +); +$node_subscriber->safe_psql('postgres', + "ALTER SUBSCRIPTION tap_sub SET PUBLICATION tap_pub_ins_only WITH (copy_data = false)" +); +$node_publisher->poll_query_until('postgres', + "SELECT pid != $oldpid FROM pg_stat_replication WHERE application_name = 'tap_sub' AND state = 'streaming';" + ) + or die + "Timed out while waiting for apply to restart after changing PUBLICATION"; + +$node_publisher->safe_psql('postgres', + "INSERT INTO tab_ins SELECT generate_series(1001,1100)"); +$node_publisher->safe_psql('postgres', "DELETE FROM tab_rep"); + +# Restart the publisher and check the state of the subscriber which +# should be in a streaming state after catching up. +$node_publisher->stop('fast'); +$node_publisher->start; + +$node_publisher->wait_for_catchup('tap_sub'); + +$result = $node_subscriber->safe_psql('postgres', + "SELECT count(*), min(a), max(a) FROM tab_ins"); +is($result, qq(1152|1|1100), + 'check replicated inserts after subscription publication change'); + +$result = $node_subscriber->safe_psql('postgres', + "SELECT count(*), min(a), max(a) FROM tab_rep"); +is($result, qq(20|-20|-1), + 'check changes skipped after subscription publication change'); + +# check alter publication (relcache invalidation etc) +$node_publisher->safe_psql('postgres', + "ALTER PUBLICATION tap_pub_ins_only SET (publish = 'insert, delete')"); +$node_publisher->safe_psql('postgres', + "ALTER PUBLICATION tap_pub_ins_only ADD TABLE tab_full"); +$node_publisher->safe_psql('postgres', "DELETE FROM tab_ins WHERE a > 0"); +$node_subscriber->safe_psql('postgres', + "ALTER SUBSCRIPTION tap_sub REFRESH PUBLICATION WITH (copy_data = false)" +); +$node_publisher->safe_psql('postgres', "INSERT INTO tab_full VALUES(0)"); + +$node_publisher->wait_for_catchup('tap_sub'); + +# Check that we don't send BEGIN and COMMIT because of empty transaction +# optimization. We have to look for the DEBUG1 log messages about that, so +# temporarily bump up the log verbosity. +$node_publisher->append_conf('postgresql.conf', "log_min_messages = debug1"); +$node_publisher->reload; + +# Note that the current location of the log file is not grabbed immediately +# after reloading the configuration, but after sending one SQL command to +# the node so that we are sure that the reloading has taken effect. +$log_location = -s $node_publisher->logfile; + +$node_publisher->safe_psql('postgres', "INSERT INTO tab_notrep VALUES (11)"); + +$node_publisher->wait_for_catchup('tap_sub'); + +$logfile = slurp_file($node_publisher->logfile, $log_location); +ok($logfile =~ qr/skipped replication of an empty transaction with XID/, + 'empty transaction is skipped'); + +$result = + $node_subscriber->safe_psql('postgres', "SELECT count(*) FROM tab_notrep"); +is($result, qq(0), 'check non-replicated table is empty on subscriber'); + +$node_publisher->append_conf('postgresql.conf', "log_min_messages = warning"); +$node_publisher->reload; + +# note that data are different on provider and subscriber +$result = $node_subscriber->safe_psql('postgres', + "SELECT count(*), min(a), max(a) FROM tab_ins"); +is($result, qq(1052|1|1002), + 'check replicated deletes after alter publication'); + +$result = $node_subscriber->safe_psql('postgres', + "SELECT count(*), min(a), max(a) FROM tab_full"); +is($result, qq(21|0|100), 'check replicated insert after alter publication'); + +# check restart on rename +$oldpid = $node_publisher->safe_psql('postgres', + "SELECT pid FROM pg_stat_replication WHERE application_name = 'tap_sub' AND state = 'streaming';" +); +$node_subscriber->safe_psql('postgres', + "ALTER SUBSCRIPTION tap_sub RENAME TO tap_sub_renamed"); +$node_publisher->poll_query_until('postgres', + "SELECT pid != $oldpid FROM pg_stat_replication WHERE application_name = 'tap_sub_renamed' AND state = 'streaming';" + ) + or die + "Timed out while waiting for apply to restart after renaming SUBSCRIPTION"; + +# check all the cleanup +$node_subscriber->safe_psql('postgres', "DROP SUBSCRIPTION tap_sub_renamed"); + +$result = $node_subscriber->safe_psql('postgres', + "SELECT count(*) FROM pg_subscription"); +is($result, qq(0), 'check subscription was dropped on subscriber'); + +$result = $node_publisher->safe_psql('postgres', + "SELECT count(*) FROM pg_replication_slots"); +is($result, qq(0), 'check replication slot was dropped on publisher'); + +$result = $node_subscriber->safe_psql('postgres', + "SELECT count(*) FROM pg_subscription_rel"); +is($result, qq(0), + 'check subscription relation status was dropped on subscriber'); + +$result = $node_publisher->safe_psql('postgres', + "SELECT count(*) FROM pg_replication_slots"); +is($result, qq(0), 'check replication slot was dropped on publisher'); + +$result = $node_subscriber->safe_psql('postgres', + "SELECT count(*) FROM pg_replication_origin"); +is($result, qq(0), 'check replication origin was dropped on subscriber'); + +$node_subscriber->stop('fast'); +$node_publisher->stop('fast'); + +# CREATE PUBLICATION while wal_level=minimal should succeed, with a WARNING +$node_publisher->append_conf( + 'postgresql.conf', qq( +wal_level=minimal +max_wal_senders=0 +)); +$node_publisher->start; +($result, my $retout, my $reterr) = $node_publisher->psql( + 'postgres', qq{ +BEGIN; +CREATE TABLE skip_wal(); +CREATE PUBLICATION tap_pub2 FOR TABLE skip_wal; +ROLLBACK; +}); +ok( $reterr =~ + m/WARNING: wal_level is insufficient to publish logical changes/, + 'CREATE PUBLICATION while wal_level=minimal'); + +done_testing(); |