Fix compiler warning.

robertmhaas · robertmhaas · commit 94708c0e8c32 · 2017-02-07T15:09:14.000-05:00
Mithun Cy, per a report by Erik Rijkers
diff --git a/src/backend/access/hash/hashpage.c b/src/backend/access/hash/hashpage.c
@@ -1220,7 +1220,7 @@ _hash_getcachedmetap(Relation rel, Buffer *metabuf, bool force_refresh)
 	Assert(metabuf);
 	if (force_refresh || rel->rd_amcache == NULL)
 	{
-		char   *cache;
+		char   *cache = NULL;
 
 		/*
 		 * It's important that we don't set rd_amcache to an invalid

Original file line number	Diff line number	Diff line change
`@@ -1220,7 +1220,7 @@ _hash_getcachedmetap(Relation rel, Buffer *metabuf, bool force_refresh)`
`1220`	`1220`	`Assert(metabuf);`
`1221`	`1221`	`if (force_refresh \|\| rel->rd_amcache == NULL)`
`1222`	`1222`	`{`
`1223`		`- char *cache;`
	`1223`	`+ char *cache = NULL;`
`1224`	`1224`
`1225`	`1225`	`/*`
`1226`	`1226`	`* It's important that we don't set rd_amcache to an invalid`