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Rename Rel to RelOptInfo.

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This commit is contained in:
Bruce Momjian
1998-07-18 04:22:52 +00:00
parent 3a132e9d83
commit 584f9438ca
38 changed files with 295 additions and 295 deletions
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52
src/backend/optimizer/path/joinrels.c
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@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/optimizer/path/joinrels.c,v 1.10 1998/06/15 19:28:40 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/optimizer/path/joinrels.c,v 1.11 1998/07/18 04:22:33 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -31,18 +31,18 @@ bool _use_right_sided_plans_ = false;
#endif
static List *find_clause_joins(Query *root, Rel *outer_rel, List *joininfo_list);
static List *find_clauseless_joins(Rel *outer_rel, List *inner_rels);
static Rel *init_join_rel(Rel *outer_rel, Rel *inner_rel, JInfo *joininfo);
static List *find_clause_joins(Query *root, RelOptInfo *outer_rel, List *joininfo_list);
static List *find_clauseless_joins(RelOptInfo *outer_rel, List *inner_rels);
static RelOptInfo *init_join_rel(RelOptInfo *outer_rel, RelOptInfo *inner_rel, JInfo *joininfo);
static List *
new_join_tlist(List *tlist, List *other_relids,
int first_resdomno);
static List *new_joininfo_list(List *joininfo_list, List *join_relids);
static void add_superrels(Rel *rel, Rel *super_rel);
static bool nonoverlap_rels(Rel *rel1, Rel *rel2);
static void add_superrels(RelOptInfo *rel, RelOptInfo *super_rel);
static bool nonoverlap_rels(RelOptInfo *rel1, RelOptInfo *rel2);
static bool nonoverlap_sets(List *s1, List *s2);
static void
set_joinrel_size(Rel *joinrel, Rel *outer_rel, Rel *inner_rel,
set_joinrel_size(RelOptInfo *joinrel, RelOptInfo *outer_rel, RelOptInfo *inner_rel,
JInfo *jinfo);
/*
@@ -67,7 +67,7 @@ find_join_rels(Query *root, List *outer_rels)
foreach(r, outer_rels)
{
Rel *outer_rel = (Rel *) lfirst(r);
RelOptInfo *outer_rel = (RelOptInfo *) lfirst(r);
if (!(joins = find_clause_joins(root, outer_rel, outer_rel->joininfo)))
{
@@ -99,7 +99,7 @@ find_join_rels(Query *root, List *outer_rels)
* Returns a list of new join relations.
*/
static List *
find_clause_joins(Query *root, Rel *outer_rel, List *joininfo_list)
find_clause_joins(Query *root, RelOptInfo *outer_rel, List *joininfo_list)
{
List *join_list = NIL;
List *i = NIL;
@@ -107,7 +107,7 @@ find_clause_joins(Query *root, Rel *outer_rel, List *joininfo_list)
foreach(i, joininfo_list)
{
JInfo *joininfo = (JInfo *) lfirst(i);
Rel *rel;
RelOptInfo *rel;
if (!joininfo->inactive)
{
@@ -158,16 +158,16 @@ find_clause_joins(Query *root, Rel *outer_rel, List *joininfo_list)
* Returns a list of new join relations.
*/
static List *
find_clauseless_joins(Rel *outer_rel, List *inner_rels)
find_clauseless_joins(RelOptInfo *outer_rel, List *inner_rels)
{
Rel *inner_rel;
RelOptInfo *inner_rel;
List *t_list = NIL;
List *temp_node = NIL;
List *i = NIL;
foreach(i, inner_rels)
{
inner_rel = (Rel *) lfirst(i);
inner_rel = (RelOptInfo *) lfirst(i);
if (nonoverlap_rels(inner_rel, outer_rel))
{
temp_node = lcons(init_join_rel(outer_rel,
@@ -192,10 +192,10 @@ find_clauseless_joins(Rel *outer_rel, List *inner_rels)
*
* Returns the new join relation node.
*/
static Rel *
init_join_rel(Rel *outer_rel, Rel *inner_rel, JInfo *joininfo)
static RelOptInfo *
init_join_rel(RelOptInfo *outer_rel, RelOptInfo *inner_rel, JInfo *joininfo)
{
Rel *joinrel = makeNode(Rel);
RelOptInfo *joinrel = makeNode(RelOptInfo);
List *joinrel_joininfo_list = NIL;
List *new_outer_tlist;
List *new_inner_tlist;
@@ -396,19 +396,19 @@ add_new_joininfos(Query *root, List *joinrels, List *outerrels)
foreach(xjoinrel, joinrels)
{
Rel *joinrel = (Rel *) lfirst(xjoinrel);
RelOptInfo *joinrel = (RelOptInfo *) lfirst(xjoinrel);
foreach(xrelid, joinrel->relids)
{
Relid relid = (Relid) lfirst(xrelid);
Rel *rel = get_join_rel(root, relid);
RelOptInfo *rel = get_join_rel(root, relid);
add_superrels(rel, joinrel);
}
}
foreach(xjoinrel, joinrels)
{
Rel *joinrel = (Rel *) lfirst(xjoinrel);
RelOptInfo *joinrel = (RelOptInfo *) lfirst(xjoinrel);
foreach(xjoininfo, joinrel->joininfo)
{
@@ -421,7 +421,7 @@ add_new_joininfos(Query *root, List *joinrels, List *outerrels)
foreach(xrelid, other_rels)
{
Relid relid = (Relid) lfirst(xrelid);
Rel *rel = get_join_rel(root, relid);
RelOptInfo *rel = get_join_rel(root, relid);
List *super_rels = rel->superrels;
List *xsuper_rel = NIL;
JInfo *new_joininfo = makeNode(JInfo);
@@ -436,7 +436,7 @@ add_new_joininfos(Query *root, List *joinrels, List *outerrels)
foreach(xsuper_rel, super_rels)
{
Rel *super_rel = (Rel *) lfirst(xsuper_rel);
RelOptInfo *super_rel = (RelOptInfo *) lfirst(xsuper_rel);
if (nonoverlap_rels(super_rel, joinrel))
{
@@ -471,7 +471,7 @@ add_new_joininfos(Query *root, List *joinrels, List *outerrels)
}
foreach(xrel, outerrels)
{
Rel *rel = (Rel *) lfirst(xrel);
RelOptInfo *rel = (RelOptInfo *) lfirst(xrel);
rel->superrels = NIL;
}
@@ -499,7 +499,7 @@ final_join_rels(List *join_rel_list)
*/
foreach(xrel, join_rel_list)
{
Rel *rel = (Rel *) lfirst(xrel);
RelOptInfo *rel = (RelOptInfo *) lfirst(xrel);
List *xjoininfo = NIL;
bool final = true;
@@ -533,7 +533,7 @@ final_join_rels(List *join_rel_list)
* Modifies the superrels field of rel
*/
static void
add_superrels(Rel *rel, Rel *super_rel)
add_superrels(RelOptInfo *rel, RelOptInfo *super_rel)
{
rel->superrels = lappend(rel->superrels, super_rel);
}
@@ -548,7 +548,7 @@ add_superrels(Rel *rel, Rel *super_rel)
* Returns non-nil if rel1 and rel2 do not overlap.
*/
static bool
nonoverlap_rels(Rel *rel1, Rel *rel2)
nonoverlap_rels(RelOptInfo *rel1, RelOptInfo *rel2)
{
return (nonoverlap_sets(rel1->relids, rel2->relids));
}
@@ -569,7 +569,7 @@ nonoverlap_sets(List *s1, List *s2)
}
static void
set_joinrel_size(Rel *joinrel, Rel *outer_rel, Rel *inner_rel, JInfo *jinfo)
set_joinrel_size(RelOptInfo *joinrel, RelOptInfo *outer_rel, RelOptInfo *inner_rel, JInfo *jinfo)
{
int ntuples;
float selec;