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Commit 13f46616 authored by Tom Lane's avatar Tom Lane
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Update obsolete comment.

parent 0c6e97db
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......@@ -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* tgl 3/2004: the above concern is no longer valid; junkfilters used to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);
......
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