diff options
| -rw-r--r-- | src/backend/executor/nodeUnique.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/src/backend/executor/nodeUnique.c b/src/backend/executor/nodeUnique.c index b38718b1909..0e34f00dba2 100644 --- a/src/backend/executor/nodeUnique.c +++ b/src/backend/executor/nodeUnique.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/executor/nodeUnique.c,v 1.41 2003/11/29 19:51:48 pgsql Exp $ + * $PostgreSQL: pgsql/src/backend/executor/nodeUnique.c,v 1.42 2004/03/02 22:05:24 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -104,9 +104,13 @@ ExecUnique(UniqueState *node) * * Note that we manage the copy ourselves. We can't rely on the result * tuple slot to maintain the tuple reference because our caller may - * replace the slot contents with a different tuple (see junk filter - * handling in execMain.c). We assume that the caller will no longer - * be interested in the current tuple after he next calls us. + * replace the slot contents with a different tuple. We assume that + * the caller will no longer be interested in the current tuple after + * he next calls us. + * + * tgl 3/2004: the above concern is no longer valid; junkfilters used to + * modify their input's return slot but don't anymore, and I don't think + * anyplace else does either. Not worth changing this code though. */ if (node->priorTuple != NULL) heap_freetuple(node->priorTuple); |