Fix thinko in comments.

Amit Kapila · Amit Kapila · commit 5521e3bd5ffc · 2018-06-27T18:29:42.000+05:30
A slot can not be stored in a tuple but it's vice versa. Reported-by: Ashutosh Bapat Author: Ashutosh Bapat Reviewed-by: Amit Kapila Discussion: https://postgr.es/m/CAFjFpRcHhNhXdegyJv3KKDWrwO1_NB_KYZM_ZSDeMOZaL1A5jQ@mail.gmail.com
diff --git a/src/backend/executor/execReplication.c b/src/backend/executor/execReplication.c
@@ -403,7 +403,7 @@ ExecSimpleRelationInsert(EState *estate, TupleTableSlot *slot)
 		if (rel->rd_att->constr)
 			ExecConstraints(resultRelInfo, slot, estate);
 
-		/* Store the slot into tuple that we can inspect. */
+		/* Materialize slot into a tuple that we can scribble upon. */
 		tuple = ExecMaterializeSlot(slot);
 
 		/* OK, store the tuple and create index entries for it */
@@ -468,7 +468,7 @@ ExecSimpleRelationUpdate(EState *estate, EPQState *epqstate,
 		if (rel->rd_att->constr)
 			ExecConstraints(resultRelInfo, slot, estate);
 
-		/* Store the slot into tuple that we can write. */
+		/* Materialize slot into a tuple that we can scribble upon. */
 		tuple = ExecMaterializeSlot(slot);
 
 		/* OK, update the tuple and index entries for it */
