database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-07-08 11:42:09 +03:00
Code Activity

Fix race in test of pg_switch_wal().

Browse Source 
The test failed when something added WAL between pg_switch_wal() and
pg_current_wal_lsn(), seen on buildfarm members hornet and sungazer.
Fix v10, v9.6 and v9.5 by making this code mirror its v13+ counterpart.
v12 and v11 lack a counterpart.
This commit is contained in:
Noah Misch
2020-09-13 23:13:44 -07:00
parent 783a21eff3
commit b6a5b766b3
1 changed files with 6 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
src/test/recovery/t/020_archive_status.pl
View File

@ -141,12 +141,14 @@ $primary->safe_psql(
'postgres', q{
INSERT INTO mine SELECT generate_series(21,30) AS x;
CHECKPOINT;
SELECT pg_switch_wal();
});
# Make sure that the standby has caught here.
my $primary_lsn = $primary->safe_psql('postgres',
q{SELECT pg_current_wal_lsn()});
# Switch to a new segment and use the returned LSN to make sure that the
# standby has caught up to this point.
my $primary_lsn = $primary->safe_psql(
'postgres', q{
SELECT pg_switch_wal();
});
$standby1->poll_query_until('postgres',
qq{ SELECT pg_wal_lsn_diff(pg_last_wal_replay_lsn(), '$primary_lsn') >= 0 },
't')