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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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6
src/backend/executor/execAmi.c
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@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Header: /cvsroot/pgsql/src/backend/executor/execAmi.c,v 1.67 2002/12/13 19:45:52 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/executor/execAmi.c,v 1.68 2002/12/14 00:17:50 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -61,7 +61,7 @@ ExecReScan(PlanState *node, ExprContext *exprCtxt)
foreach(lst, node->initPlan)
{
SubPlanExprState *sstate = (SubPlanExprState *) lfirst(lst);
SubPlanState *sstate = (SubPlanState *) lfirst(lst);
PlanState *splan = sstate->planstate;
if (splan->plan->extParam != NIL) /* don't care about child
@ -72,7 +72,7 @@ ExecReScan(PlanState *node, ExprContext *exprCtxt)
}
foreach(lst, node->subPlan)
{
SubPlanExprState *sstate = (SubPlanExprState *) lfirst(lst);
SubPlanState *sstate = (SubPlanState *) lfirst(lst);
PlanState *splan = sstate->planstate;
if (splan->plan->extParam != NIL)