Support locktype='transactionid'

This commit is contained in:
Peter J. Holzer 2015-09-10 12:21:01 +02:00
parent 799f209ded
commit 1ba676b1ff
1 changed files with 6 additions and 2 deletions

View File

@ -9,7 +9,7 @@ use Encode qw(:fallbacks encode);
my $db = shift // "default";
my $dbh = DBIx::SimpleConnect->connect($db);
my $dbh = DBIx::SimpleConnect->connect($db, {RaiseError => 1});
my $sth
= $dbh->prepare("
@ -19,7 +19,11 @@ my $sth
locks_blocked.pid as blocked_pid,
query_blocked.query as blocked_query,
query_blocked.usename as blocked_username
from pg_locks locks_blocked join pg_locks locks_blocking using (locktype, database, relation)
from pg_locks locks_blocked join pg_locks locks_blocking
on (locks_blocked.locktype='relation' and locks_blocking.locktype='relation' and locks_blocked.database=locks_blocking.database and locks_blocked.relation=locks_blocking.relation
or locks_blocked.locktype='transactionid' and locks_blocking.locktype='transactionid' and locks_blocked.transactionid=locks_blocking.transactionid
-- don't know how to handle virtualxid
)
join pg_stat_activity query_blocked on (locks_blocked.pid=query_blocked.pid)
join pg_stat_activity query_blocking on (locks_blocking.pid = query_blocking.pid)
where locks_blocking.granted and not locks_blocked.granted