Silence another _bt_check_unique compiler warning.

petergeoghegan · petergeoghegan · commit 796092fb84c0 · 2021-04-08T12:54:31.000-07:00
Per complaint from Tom Lane Discussion: https://postgr.es/m/1922884.1617909599@sss.pgh.pa.us
diff --git a/src/backend/access/nbtree/nbtinsert.c b/src/backend/access/nbtree/nbtinsert.c
@@ -408,7 +408,7 @@ _bt_check_unique(Relation rel, BTInsertState insertstate, Relation heapRel,
 {
 	IndexTuple	itup = insertstate->itup;
 	IndexTuple	curitup = NULL;
-	ItemId		curitemid;
+	ItemId		curitemid = NULL;
 	BTScanInsert itup_key = insertstate->itup_key;
 	SnapshotData SnapshotDirty;
 	OffsetNumber offset;

Original file line number	Diff line number	Diff line change
`@@ -408,7 +408,7 @@ _bt_check_unique(Relation rel, BTInsertState insertstate, Relation heapRel,`
`408`	`408`	`{`
`409`	`409`	`IndexTuple itup = insertstate->itup;`
`410`	`410`	`IndexTuple curitup = NULL;`
`411`		`- ItemId curitemid;`
	`411`	`+ ItemId curitemid = NULL;`
`412`	`412`	`BTScanInsert itup_key = insertstate->itup_key;`
`413`	`413`	`SnapshotData SnapshotDirty;`
`414`	`414`	`OffsetNumber offset;`