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Optimizer rename ClauseInfo -> RestrictInfo. Update optimizer README.

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This commit is contained in:
Bruce Momjian
1999-02-03 20:15:53 +00:00
parent f3a6b38e32
commit 8d9237d485
35 changed files with 450 additions and 455 deletions
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64
src/backend/optimizer/util/clauseinfo.c
View File

@@ -1,13 +1,13 @@
/*-------------------------------------------------------------------------
*
* clauseinfo.c--
* ClauseInfo node manipulation routines.
* restrictinfo.c--
* RestrictInfo node manipulation routines.
*
* Copyright (c) 1994, Regents of the University of California
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/optimizer/util/Attic/clauseinfo.c,v 1.9 1998/09/01 04:30:00 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/optimizer/util/Attic/clauseinfo.c,v 1.10 1999/02/03 20:15:39 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -18,21 +18,21 @@
#include "optimizer/internal.h"
#include "optimizer/clauses.h"
#include "optimizer/clauseinfo.h"
#include "optimizer/restrictinfo.h"
/*
* valid-or-clause--
*
* Returns t iff the clauseinfo node contains a 'normal' 'or' clause.
* Returns t iff the restrictinfo node contains a 'normal' 'or' clause.
*
*/
bool
valid_or_clause(ClauseInfo * clauseinfo)
valid_or_clause(RestrictInfo * restrictinfo)
{
if (clauseinfo != NULL &&
!single_node((Node *) clauseinfo->clause) &&
!clauseinfo->notclause &&
or_clause((Node *) clauseinfo->clause))
if (restrictinfo != NULL &&
!single_node((Node *) restrictinfo->clause) &&
!restrictinfo->notclause &&
or_clause((Node *) restrictinfo->clause))
return true;
else
return false;
@@ -41,19 +41,19 @@ valid_or_clause(ClauseInfo * clauseinfo)
/*
* get-actual-clauses--
*
* Returns a list containing the clauses from 'clauseinfo-list'.
* Returns a list containing the clauses from 'restrictinfo-list'.
*
*/
List *
get_actual_clauses(List *clauseinfo_list)
get_actual_clauses(List *restrictinfo_list)
{
List *temp = NIL;
List *result = NIL;
ClauseInfo *clause = (ClauseInfo *) NULL;
RestrictInfo *clause = (RestrictInfo *) NULL;
foreach(temp, clauseinfo_list)
foreach(temp, restrictinfo_list)
{
clause = (ClauseInfo *) lfirst(temp);
clause = (RestrictInfo *) lfirst(temp);
result = lappend(result, clause->clause);
}
return result;
@@ -69,7 +69,7 @@ get_actual_clauses(List *clauseinfo_list)
/*
* get_relattvals--
* For each member of a list of clauseinfo nodes to be used with an
* For each member of a list of restrictinfo nodes to be used with an
* index, create a vectori-long specifying:
* the attnos,
* the values of the clause constants, and
@@ -79,13 +79,13 @@ get_actual_clauses(List *clauseinfo_list)
* flag indicating whether the constant is on the left or right should
* always be *SELEC-CONSTANT-RIGHT*.
*
* 'clauseinfo-list' is a list of clauseinfo nodes
* 'restrictinfo-list' is a list of restrictinfo nodes
*
* Returns a list of vectori-longs.
*
*/
void
get_relattvals(List *clauseinfo_list,
get_relattvals(List *restrictinfo_list,
List **attnos,
List **values,
List **flags)
@@ -93,17 +93,17 @@ get_relattvals(List *clauseinfo_list,
List *result1 = NIL;
List *result2 = NIL;
List *result3 = NIL;
ClauseInfo *temp = (ClauseInfo *) NULL;
RestrictInfo *temp = (RestrictInfo *) NULL;
List *i = NIL;
foreach(i, clauseinfo_list)
foreach(i, restrictinfo_list)
{
int dummy;
AttrNumber attno;
Datum constval;
int flag;
temp = (ClauseInfo *) lfirst(i);
temp = (RestrictInfo *) lfirst(i);
get_relattval((Node *) temp->clause, &dummy, &attno, &constval, &flag);
result1 = lappendi(result1, (int) attno);
result2 = lappendi(result2, constval);
@@ -118,7 +118,7 @@ get_relattvals(List *clauseinfo_list,
/*
* get_joinvars --
* Given a list of join clauseinfo nodes to be used with the index
* Given a list of join restrictinfo nodes to be used with the index
* of an inner join relation, return three lists consisting of:
* the attributes corresponding to the inner join relation
* the value of the inner var clause (always "")
@@ -126,13 +126,13 @@ get_relattvals(List *clauseinfo_list,
* the operator.
*
* 'relid' is the inner join relation
* 'clauseinfo-list' is a list of qualification clauses to be used with
* 'restrictinfo-list' is a list of qualification clauses to be used with
* 'rel'
*
*/
void
get_joinvars(Oid relid,
List *clauseinfo_list,
List *restrictinfo_list,
List **attnos,
List **values,
List **flags)
@@ -142,10 +142,10 @@ get_joinvars(Oid relid,
List *result3 = NIL;
List *temp;
foreach(temp, clauseinfo_list)
foreach(temp, restrictinfo_list)
{
ClauseInfo *clauseinfo = lfirst(temp);
Expr *clause = clauseinfo->clause;
RestrictInfo *restrictinfo = lfirst(temp);
Expr *clause = restrictinfo->clause;
if (IsA(get_leftop(clause), Var) &&
(relid == (get_leftop(clause))->varno))
@@ -170,19 +170,19 @@ get_joinvars(Oid relid,
/*
* get_opnos--
* Create and return a list containing the clause operators of each member
* of a list of clauseinfo nodes to be used with an index.
* of a list of restrictinfo nodes to be used with an index.
*
*/
List *
get_opnos(List *clauseinfo_list)
get_opnos(List *restrictinfo_list)
{
ClauseInfo *temp = (ClauseInfo *) NULL;
RestrictInfo *temp = (RestrictInfo *) NULL;
List *result = NIL;
List *i = NIL;
foreach(i, clauseinfo_list)
foreach(i, restrictinfo_list)
{
temp = (ClauseInfo *) lfirst(i);
temp = (RestrictInfo *) lfirst(i);
result =
lappendi(result,
(((Oper *) temp->clause->oper)->opno));

4
src/backend/optimizer/util/indexnode.c
View File

@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/optimizer/util/Attic/indexnode.c,v 1.10 1998/09/01 04:30:04 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/optimizer/util/Attic/indexnode.c,v 1.11 1999/02/03 20:15:42 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -81,7 +81,7 @@ find_secondary_index(Query *root, Oid relid)
indexnode->unorderedpath = NULL;
indexnode->cheapestpath = NULL;
indexnode->pruneable = true;
indexnode->clauseinfo = NIL;
indexnode->restrictinfo = NIL;
indexnode->joininfo = NIL;
indexnode->innerjoin = NIL;

4
src/backend/optimizer/util/joininfo.c
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@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/optimizer/util/joininfo.c,v 1.12 1998/09/01 04:30:05 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/optimizer/util/joininfo.c,v 1.13 1999/02/03 20:15:42 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -71,7 +71,7 @@ find_joininfo_node(RelOptInfo * this_rel, List *join_relids)
{
joininfo = makeNode(JoinInfo);
joininfo->otherrels = join_relids;
joininfo->jinfoclauseinfo = NIL;
joininfo->jinfo_restrictinfo = NIL;
joininfo->mergejoinable = false;
joininfo->hashjoinable = false;
joininfo->inactive = false;

28
src/backend/optimizer/util/pathnode.c
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@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/optimizer/util/pathnode.c,v 1.14 1999/02/02 23:53:25 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/optimizer/util/pathnode.c,v 1.15 1999/02/03 20:15:42 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -20,7 +20,7 @@
#include "optimizer/internal.h"
#include "optimizer/pathnode.h"
#include "optimizer/clauseinfo.h"
#include "optimizer/restrictinfo.h"
#include "optimizer/plancat.h"
#include "optimizer/cost.h"
#include "optimizer/keys.h"
@@ -209,11 +209,11 @@ create_seqscan_path(RelOptInfo * rel)
pathnode->keys = NIL;
/*
* copy clauseinfo list into path for expensive function processing --
* copy restrictinfo list into path for expensive function processing --
* JMH, 7/7/92
*/
pathnode->locclauseinfo =
(List *) copyObject((Node *) rel->clauseinfo);
pathnode->loc_restrictinfo =
(List *) copyObject((Node *) rel->restrictinfo);
if (rel->relids != NULL)
relid = lfirsti(rel->relids);
@@ -263,11 +263,11 @@ create_index_path(Query *root,
pathnode->indexqual = NIL;
/*
* copy clauseinfo list into path for expensive function processing --
* copy restrictinfo list into path for expensive function processing --
* JMH, 7/7/92
*/
pathnode->path.locclauseinfo =
set_difference((List *) copyObject((Node *) rel->clauseinfo),
pathnode->path.loc_restrictinfo =
set_difference((List *) copyObject((Node *) rel->restrictinfo),
(List *) restriction_clauses);
/*
@@ -410,11 +410,11 @@ create_nestloop_path(RelOptInfo * joinrel,
pathnode->path.parent = joinrel;
pathnode->outerjoinpath = outer_path;
pathnode->innerjoinpath = inner_path;
pathnode->pathclauseinfo = joinrel->clauseinfo;
pathnode->pathinfo = joinrel->restrictinfo;
pathnode->path.keys = keys;
pathnode->path.joinid = NIL;
pathnode->path.outerjoincost = (Cost) 0.0;
pathnode->path.locclauseinfo = NIL;
pathnode->path.loc_restrictinfo = NIL;
if (keys)
{
@@ -492,12 +492,12 @@ create_mergejoin_path(RelOptInfo * joinrel,
pathnode->jpath.path.parent = joinrel;
pathnode->jpath.outerjoinpath = outer_path;
pathnode->jpath.innerjoinpath = inner_path;
pathnode->jpath.pathclauseinfo = joinrel->clauseinfo;
pathnode->jpath.pathinfo = joinrel->restrictinfo;
pathnode->jpath.path.keys = keys;
pathnode->jpath.path.p_ordering.ordtype = MERGE_ORDER;
pathnode->jpath.path.p_ordering.ord.merge = order;
pathnode->path_mergeclauses = mergeclauses;
pathnode->jpath.path.locclauseinfo = NIL;
pathnode->jpath.path.loc_restrictinfo = NIL;
pathnode->outersortkeys = outersortkeys;
pathnode->innersortkeys = innersortkeys;
pathnode->jpath.path.path_cost =
@@ -558,8 +558,8 @@ create_hashjoin_path(RelOptInfo * joinrel,
pathnode->jpath.path.parent = joinrel;
pathnode->jpath.outerjoinpath = outer_path;
pathnode->jpath.innerjoinpath = inner_path;
pathnode->jpath.pathclauseinfo = joinrel->clauseinfo;
pathnode->jpath.path.locclauseinfo = NIL;
pathnode->jpath.pathinfo = joinrel->restrictinfo;
pathnode->jpath.path.loc_restrictinfo = NIL;
pathnode->jpath.path.keys = keys;
pathnode->jpath.path.p_ordering.ordtype = SORTOP_ORDER;
pathnode->jpath.path.p_ordering.ord.sortop = NULL;

4
src/backend/optimizer/util/relnode.c
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@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/optimizer/util/relnode.c,v 1.9 1998/09/01 04:30:11 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/optimizer/util/relnode.c,v 1.10 1999/02/03 20:15:43 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -51,7 +51,7 @@ get_base_rel(Query *root, int relid)
rel->classlist = NULL;
rel->ordering = NULL;
rel->relam = InvalidOid;
rel->clauseinfo = NIL;
rel->restrictinfo = NIL;
rel->joininfo = NIL;
rel->innerjoin = NIL;
rel->superrels = NIL;