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Remove Existential, and ifdef out generate_fjoin. Neither did anything.

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This commit is contained in:
Bruce Momjian
1997-12-18 12:54:45 +00:00
parent 4469eb63a3
commit 6a45941f2f
13 changed files with 26 additions and 200 deletions
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57
src/backend/optimizer/plan/planner.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/optimizer/plan/planner.c,v 1.11 1997/11/25 21:59:59 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/optimizer/plan/planner.c,v 1.12 1997/12/18 12:54:11 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -48,7 +48,6 @@
static Plan *make_sortplan(List *tlist, List *sortcls, Plan *plannode);
static Plan *init_query_planner(Query *parse);
static Existential *make_existential(Plan *left, Plan *right);
/*****************************************************************************
*
@ -184,8 +183,7 @@ make_sortplan(List *tlist, List *sortcls, Plan *plannode)
/*
* init-query-planner--
* Deals with all non-union preprocessing, including existential
* qualifications and CNFifying the qualifications.
* Deals with all non-union preprocessing,and CNFifying the qualifications.
*
* Returns a query plan.
* MODIFIES: tlist,qual
@ -195,8 +193,6 @@ static Plan *
init_query_planner(Query *root)
{
List *primary_qual;
List *existential_qual;
Existential *exist_plan;
List *tlist = root->targetList;
tlist = preprocess_targetlist(tlist,
@ -204,51 +200,12 @@ init_query_planner(Query *root)
root->resultRelation,
root->rtable);
primary_qual =
preprocess_qualification((Expr *) root->qual,
tlist,
&existential_qual);
primary_qual = cnfify((Expr *) root->qual, true);
if (existential_qual == NULL)
{
return (query_planner(root,
root->commandType,
tlist,
primary_qual));
}
else
{
int temp = root->commandType;
Plan *existential_plan;
root->commandType = CMD_SELECT;
existential_plan = query_planner(root,
temp,
NIL,
existential_qual);
exist_plan = make_existential(existential_plan,
query_planner(root,
root->commandType,
tlist,
primary_qual));
return ((Plan *) exist_plan);
}
}
/*
* make_existential--
* Instantiates an existential plan node and fills in
* the left and right subtree slots.
*/
static Existential *
make_existential(Plan *left, Plan *right)
{
Existential *node = makeNode(Existential);
node->lefttree = left;
node->righttree = left;
return (node);
return (query_planner(root,
root->commandType,
tlist,
primary_qual));
}
/*