Fix relcache reference leak introduced by ce0fdbf.

Amit Kapila · Amit Kapila · commit 8a4f9522d0c7 · 2021-02-25T07:48:24.000+05:30
Author: Sawada Masahiko Reviewed-by: Amit Kapila Discussion: https://postgr.es/m/CAD21AoA7ZEfsOXQ9HQqMv3QYGsEm2H5Wk5ic5S=mvzDf-3a3SA@mail.gmail.com
diff --git a/src/backend/catalog/pg_subscription.c b/src/backend/catalog/pg_subscription.c
@@ -353,6 +353,7 @@ GetSubscriptionRelState(Oid subid, Oid relid, XLogRecPtr *sublsn)
 
 	if (!HeapTupleIsValid(tup))
 	{
+		table_close(rel, AccessShareLock);
 		*sublsn = InvalidXLogRecPtr;
 		return SUBREL_STATE_UNKNOWN;
 	}

Original file line number	Diff line number	Diff line change
`@@ -353,6 +353,7 @@ GetSubscriptionRelState(Oid subid, Oid relid, XLogRecPtr *sublsn)`
`353`	`353`
`354`	`354`	`if (!HeapTupleIsValid(tup))`
`355`	`355`	`{`
	`356`	`+ table_close(rel, AccessShareLock);`
`356`	`357`	`*sublsn = InvalidXLogRecPtr;`
`357`	`358`	`return SUBREL_STATE_UNKNOWN;`
`358`	`359`	`}`