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| author | Vadim B. Mikheev <vadim4o@yahoo.com> | 1998-02-13 03:26:53 +0000 |
|---|---|---|
| committer | Vadim B. Mikheev <vadim4o@yahoo.com> | 1998-02-13 03:26:53 +0000 |
| commit | 1a105cefbd4769a1ef857f94a71faed6cb76717b (patch) | |
| tree | 2c9b0cf10965e5e1d31106451552aad0c7c7e18d /src/backend/executor/nodeMaterial.c | |
| parent | 13637df458b1d5a4f773bd17d3b894d9ff27197b (diff) | |
| download | postgresql-1a105cefbd4769a1ef857f94a71faed6cb76717b.tar.gz postgresql-1a105cefbd4769a1ef857f94a71faed6cb76717b.zip | |
Support for subselects.
ExecReScan for nodeAgg, nodeHash, nodeHashjoin, nodeNestloop and nodeResult.
Fixed ExecReScan for nodeMaterial.
Get rid of #ifdef INDEXSCAN_PATCH.
Get rid of ExecMarkPos and ExecRestrPos in nodeNestloop.
Diffstat (limited to 'src/backend/executor/nodeMaterial.c')
| -rw-r--r-- | src/backend/executor/nodeMaterial.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/src/backend/executor/nodeMaterial.c b/src/backend/executor/nodeMaterial.c index f821459f2a7..800bab2b315 100644 --- a/src/backend/executor/nodeMaterial.c +++ b/src/backend/executor/nodeMaterial.c @@ -7,7 +7,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/executor/nodeMaterial.c,v 1.11 1997/11/28 17:27:25 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/executor/nodeMaterial.c,v 1.12 1998/02/13 03:26:50 vadim Exp $ * *------------------------------------------------------------------------- */ @@ -341,6 +341,27 @@ ExecEndMaterial(Material *node) ExecClearTuple(matstate->csstate.css_ScanTupleSlot); } +/* ---------------------------------------------------------------- + * ExecMaterialReScan + * + * Rescans the temporary relation. + * ---------------------------------------------------------------- + */ +void +ExecMaterialReScan(Material *node, ExprContext *exprCtxt, Plan *parent) +{ + MaterialState *matstate = node->matstate; + + if (matstate->mat_Flag == false) + return; + + matstate->csstate.css_currentScanDesc = + ExecReScanR (matstate->csstate.css_currentRelation, + matstate->csstate.css_currentScanDesc, + node->plan.state->es_direction, 0, NULL); + +} + #ifdef NOT_USED /* not used */ /* ---------------------------------------------------------------- * ExecMaterialMarkPos |