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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/include/optimizer/planmain.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: planmain.h,v 1.69 2003/03/10 03:53:52 tgl Exp $
* $Id: planmain.h,v 1.70 2003/05/06 00:20:33 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -30,10 +30,10 @@ extern Plan *create_plan(Query *root, Path *best_path);
extern SubqueryScan *make_subqueryscan(List *qptlist, List *qpqual,
Index scanrelid, Plan *subplan);
extern Append *make_append(List *appendplans, bool isTarget, List *tlist);
extern Sort *make_sort(Query *root, List *tlist,
Plan *lefttree, int keycount);
extern Sort *make_sort_from_sortclauses(Query *root, List *tlist,
Plan *lefttree, List *sortcls);
extern Sort *make_sort_from_groupcols(Query *root, List *groupcls,
AttrNumber *grpColIdx, Plan *lefttree);
extern Agg *make_agg(Query *root, List *tlist, List *qual,
AggStrategy aggstrategy,
int numGroupCols, AttrNumber *grpColIdx,

3
src/include/optimizer/tlist.h
View File

@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: tlist.h,v 1.34 2003/02/15 20:12:41 tgl Exp $
* $Id: tlist.h,v 1.35 2003/05/06 00:20:33 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -22,7 +22,6 @@ extern Resdom *tlist_member(Node *node, List *targetlist);
extern void add_var_to_tlist(RelOptInfo *rel, Var *var);
extern TargetEntry *create_tl_element(Var *var, int resdomno);
extern List *new_unsorted_tlist(List *targetlist);
extern List *flatten_tlist(List *tlist);
extern List *add_to_flat_tlist(List *tlist, List *vars);