diff options
Diffstat (limited to 'src/backend/executor/nodeGroup.c')
| -rw-r--r-- | src/backend/executor/nodeGroup.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/src/backend/executor/nodeGroup.c b/src/backend/executor/nodeGroup.c index 26b59df8663..e56fddadd83 100644 --- a/src/backend/executor/nodeGroup.c +++ b/src/backend/executor/nodeGroup.c @@ -15,7 +15,7 @@ * locate group boundaries. * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/executor/nodeGroup.c,v 1.77 2010/01/02 16:57:41 momjian Exp $ + * $PostgreSQL: pgsql/src/backend/executor/nodeGroup.c,v 1.78 2010/07/12 17:01:05 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -277,14 +277,18 @@ ExecEndGroup(GroupState *node) } void -ExecReScanGroup(GroupState *node, ExprContext *exprCtxt) +ExecReScanGroup(GroupState *node) { node->grp_done = FALSE; node->ss.ps.ps_TupFromTlist = false; /* must clear first tuple */ ExecClearTuple(node->ss.ss_ScanTupleSlot); - if (((PlanState *) node)->lefttree && - ((PlanState *) node)->lefttree->chgParam == NULL) - ExecReScan(((PlanState *) node)->lefttree, exprCtxt); + /* + * if chgParam of subnode is not null then plan will be re-scanned by + * first ExecProcNode. + */ + if (node->ss.ps.lefttree && + node->ss.ps.lefttree->chgParam == NULL) + ExecReScan(node->ss.ps.lefttree); } |