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Fix Query handling for inheritance, and cost computations.

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This commit is contained in:
Bruce Momjian 1997-12-18 03:03:41 +00:00
parent d451a3b3bc
commit c64cc3228a
4 changed files with 27 additions and 14 deletions
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11
src/backend/nodes/copyfuncs.c
View File

@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.16 1997/11/25 21:59:40 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.17 1997/12/18 03:03:31 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -516,7 +516,7 @@ _copyAgg(Agg *from)
CopyTempFields((Temp *) from, (Temp *) newnode);
newnode->numAgg = from->numAgg;
newnode->aggs = malloc(sizeof(Aggreg *));
newnode->aggs = palloc(sizeof(Aggreg *));
for (i = 0; i < from->numAgg; i++)
{
newnode->aggs[i] = copyObject(from->aggs[i]);
@ -1519,7 +1519,7 @@ static Query *
_copyQuery(Query *from)
{
Query *newnode = makeNode(Query);
newnode->commandType = from->commandType;
newnode->resultRelation = from->resultRelation;
/* probably should dup this string instead of just pointing */
@ -1555,6 +1555,11 @@ _copyQuery(Query *from)
Node_Copy(from, newnode, targetList);
Node_Copy(from, newnode, qual);
Node_Copy(from, newnode, groupClause);
Node_Copy(from, newnode, havingQual); /* currently ignored */
Node_Copy(from, newnode, Aggreg);
return newnode;
}

21
src/backend/optimizer/plan/createplan.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/optimizer/plan/createplan.c,v 1.16 1997/11/25 21:59:56 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/optimizer/plan/createplan.c,v 1.17 1997/12/18 03:03:35 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -943,7 +943,7 @@ make_seqscan(List *qptlist,
SeqScan *node = makeNode(SeqScan);
Plan *plan = &node->plan;
plan->cost = 0.0;
plan->cost = (lefttree ? lefttree->cost : 0);
plan->state = (EState *) NULL;
plan->targetlist = qptlist;
plan->qual = qpqual;
@ -989,7 +989,8 @@ make_nestloop(List *qptlist,
NestLoop *node = makeNode(NestLoop);
Plan *plan = &node->join;
plan->cost = 0.0;
plan->cost = (lefttree ? lefttree->cost : 0) +
(righttree ? righttree->cost : 0);
plan->state = (EState *) NULL;
plan->targetlist = qptlist;
plan->qual = qpqual;
@ -1010,6 +1011,8 @@ make_hashjoin(List *tlist,
HashJoin *node = makeNode(HashJoin);
Plan *plan = &node->join;
plan->cost = (lefttree ? lefttree->cost : 0) +
(righttree ? righttree->cost : 0);
plan->cost = 0.0;
plan->state = (EState *) NULL;
plan->targetlist = tlist;
@ -1031,6 +1034,7 @@ make_hash(List *tlist, Var *hashkey, Plan *lefttree)
Hash *node = makeNode(Hash);
Plan *plan = &node->plan;
plan->cost = (lefttree ? lefttree->cost : 0);
plan->cost = 0.0;
plan->state = (EState *) NULL;
plan->targetlist = tlist;
@ -1058,7 +1062,8 @@ make_mergesort(List *tlist,
MergeJoin *node = makeNode(MergeJoin);
Plan *plan = &node->join;
plan->cost = 0.0;
plan->cost = (lefttree ? lefttree->cost : 0) +
(righttree ? righttree->cost : 0);
plan->state = (EState *) NULL;
plan->targetlist = tlist;
plan->qual = qpqual;
@ -1078,7 +1083,7 @@ make_sort(List *tlist, Oid tempid, Plan *lefttree, int keycount)
Sort *node = makeNode(Sort);
Plan *plan = &node->plan;
plan->cost = 0.0;
plan->cost = (lefttree ? lefttree->cost : 0);
plan->state = (EState *) NULL;
plan->targetlist = tlist;
plan->qual = NIL;
@ -1099,7 +1104,7 @@ make_material(List *tlist,
Material *node = makeNode(Material);
Plan *plan = &node->plan;
plan->cost = 0.0;
plan->cost = (lefttree ? lefttree->cost : 0);
plan->state = (EState *) NULL;
plan->targetlist = tlist;
plan->qual = NIL;
@ -1137,7 +1142,7 @@ make_group(List *tlist,
{
Group *node = makeNode(Group);
node->plan.cost = 0.0;
node->plan.cost = (lefttree ? lefttree->plan.cost : 0);
node->plan.state = (EState *) NULL;
node->plan.qual = NULL;
node->plan.targetlist = tlist;
@ -1164,7 +1169,7 @@ make_unique(List *tlist, Plan *lefttree, char *uniqueAttr)
Unique *node = makeNode(Unique);
Plan *plan = &node->plan;
plan->cost = 0.0;
plan->cost = (lefttree ? lefttree->cost : 0);
plan->state = (EState *) NULL;
plan->targetlist = tlist;
plan->qual = NIL;

4
src/backend/optimizer/plan/planmain.c
View File

@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/optimizer/plan/planmain.c,v 1.8 1997/09/25 12:21:15 vadim Exp $
* $Header: /cvsroot/pgsql/src/backend/optimizer/plan/planmain.c,v 1.9 1997/12/18 03:03:38 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -362,7 +362,7 @@ make_result(List *tlist,
Plan *plan = &node->plan;
tlist = generate_fjoin(tlist);
plan->cost = 0.0;
plan->cost = (subplan ? subplan->cost : 0);
plan->state = (EState *) NULL;
plan->targetlist = tlist;
plan->lefttree = subplan;

5
src/backend/optimizer/prep/prepunion.c
View File

@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/optimizer/prep/prepunion.c,v 1.9 1997/11/25 22:00:10 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/optimizer/prep/prepunion.c,v 1.10 1997/12/18 03:03:41 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -241,6 +241,9 @@ plan_union_query(List *relids,
/* new_root->uniqueFlag = false; */
new_root->uniqueFlag = NULL;
new_root->sortClause = NULL;
new_root->groupClause = NULL;
new_root->qry_numAgg = 0;
new_root->qry_aggs = NULL;
fix_parsetree_attnums(rt_index,
rt_entry->relid,
relid,