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Implement feature of new FE/BE protocol whereby RowDescription identifies

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the column by table OID and column number, if it's a simple column
reference.  Along the way, get rid of reskey/reskeyop fields in Resdoms.
Turns out that representation was not convenient for either the planner
or the executor; we can make the planner deliver exactly what the
executor wants with no more effort.
initdb forced due to change in stored rule representation.
This commit is contained in:
Tom Lane
2003-05-06 00:20:33 +00:00
parent 94a3c60324
commit 2cf57c8f8d
32 changed files with 454 additions and 336 deletions
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6
src/backend/optimizer/prep/prepunion.c
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@ -14,7 +14,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/optimizer/prep/prepunion.c,v 1.94 2003/04/29 22:13:09 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/optimizer/prep/prepunion.c,v 1.95 2003/05/06 00:20:32 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -238,7 +238,7 @@ generate_union_plan(SetOperationStmt *op, Query *parse,
{
List *sortList;
tlist = new_unsorted_tlist(tlist);
tlist = copyObject(tlist);
sortList = addAllTargetsToSortList(NIL, tlist);
plan = (Plan *) make_sort_from_sortclauses(parse, tlist,
plan, sortList);
@ -292,7 +292,7 @@ generate_nonunion_plan(SetOperationStmt *op, Query *parse,
* Sort the child results, then add a SetOp plan node to generate the
* correct output.
*/
tlist = new_unsorted_tlist(tlist);
tlist = copyObject(tlist);
sortList = addAllTargetsToSortList(NIL, tlist);
plan = (Plan *) make_sort_from_sortclauses(parse, tlist, plan, sortList);
switch (op->op)