diff options
Diffstat (limited to 'src/backend/executor/nodeUnique.c')
| -rw-r--r-- | src/backend/executor/nodeUnique.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/src/backend/executor/nodeUnique.c b/src/backend/executor/nodeUnique.c index ddeae78904d..31c80e759a7 100644 --- a/src/backend/executor/nodeUnique.c +++ b/src/backend/executor/nodeUnique.c @@ -7,7 +7,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/executor/nodeUnique.c,v 1.15 1998/02/18 12:40:44 vadim Exp $ + * $Header: /cvsroot/pgsql/src/backend/executor/nodeUnique.c,v 1.16 1998/02/23 06:26:58 vadim Exp $ * *------------------------------------------------------------------------- */ @@ -355,3 +355,19 @@ ExecEndUnique(Unique *node) ExecEndNode(outerPlan((Plan *) node), (Plan *) node); ExecClearTuple(uniquestate->cs_ResultTupleSlot); } + + +void +ExecReScanUnique(Unique *node, ExprContext *exprCtxt, Plan *parent) +{ + UniqueState *uniquestate = node->uniquestate; + + ExecClearTuple(uniquestate->cs_ResultTupleSlot); + /* + * if chgParam of subnode is not null then plan + * will be re-scanned by first ExecProcNode. + */ + if (((Plan*) node)->lefttree->chgParam == NULL) + ExecReScan (((Plan*) node)->lefttree, exprCtxt, (Plan *) node); + +} |