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Clean up plantree representation of SubPlan-s --- SubLink does not appear

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in the planned representation of a subplan at all any more, only SubPlan.
This means subselect.c doesn't scribble on its input anymore, which seems
like a good thing; and there are no longer three different possible
interpretations of a SubLink.  Simplify node naming and improve comments
in primnodes.h.  No change to stored rules, though.
This commit is contained in:
Tom Lane
2002-12-14 00:17:59 +00:00
parent 29cdab3d53
commit 2d8d66628a
24 changed files with 355 additions and 356 deletions
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12
src/include/executor/nodeSubplan.h
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@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: nodeSubplan.h,v 1.14 2002/12/13 19:45:56 tgl Exp $
* $Id: nodeSubplan.h,v 1.15 2002/12/14 00:17:59 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -16,13 +16,13 @@
#include "nodes/execnodes.h"
extern void ExecInitSubPlan(SubPlanExprState *sstate, EState *estate);
extern Datum ExecSubPlan(SubPlanExprState *node,
extern void ExecInitSubPlan(SubPlanState *node, EState *estate);
extern Datum ExecSubPlan(SubPlanState *node,
ExprContext *econtext,
bool *isNull);
extern void ExecEndSubPlan(SubPlanExprState *node);
extern void ExecReScanSetParamPlan(SubPlanExprState *node, PlanState *parent);
extern void ExecEndSubPlan(SubPlanState *node);
extern void ExecReScanSetParamPlan(SubPlanState *node, PlanState *parent);
extern void ExecSetParamPlan(SubPlanExprState *node, ExprContext *econtext);
extern void ExecSetParamPlan(SubPlanState *node, ExprContext *econtext);
#endif /* NODESUBPLAN_H */