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Further tweaking of parsetree & plantree representation of SubLinks.

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Simplify SubLink by storing just a List of operator OIDs, instead of
a list of incomplete OpExprs --- that was a bizarre and bulky choice,
with no redeeming social value since we have to build new OpExprs
anyway when forming the plan tree.
This commit is contained in:
Tom Lane
2003-01-10 21:08:15 +00:00
parent 36ea26793a
commit e69785debf
17 changed files with 407 additions and 246 deletions
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11
src/backend/nodes/copyfuncs.c
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@ -15,7 +15,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.234 2003/01/09 20:50:50 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.235 2003/01/10 21:08:10 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -809,10 +809,10 @@ _copySubLink(SubLink *from)
SubLink *newnode = makeNode(SubLink);
COPY_SCALAR_FIELD(subLinkType);
COPY_SCALAR_FIELD(operIsEquals);
COPY_SCALAR_FIELD(useOr);
COPY_NODE_FIELD(lefthand);
COPY_NODE_FIELD(oper);
COPY_NODE_FIELD(operName);
COPY_INTLIST_FIELD(operOids);
COPY_NODE_FIELD(subselect);
return newnode;
@ -828,10 +828,13 @@ _copySubPlan(SubPlan *from)
COPY_SCALAR_FIELD(subLinkType);
COPY_SCALAR_FIELD(useOr);
COPY_NODE_FIELD(oper);
COPY_NODE_FIELD(exprs);
COPY_INTLIST_FIELD(paramIds);
COPY_NODE_FIELD(plan);
COPY_SCALAR_FIELD(plan_id);
COPY_NODE_FIELD(rtable);
COPY_SCALAR_FIELD(useHashTable);
COPY_SCALAR_FIELD(unknownEqFalse);
COPY_INTLIST_FIELD(setParam);
COPY_INTLIST_FIELD(parParam);
COPY_NODE_FIELD(args);