mirror of
https://github.com/postgres/postgres.git
synced 2025-07-03 20:02:46 +03:00
pgindent run over code.
This commit is contained in:
@ -7,7 +7,7 @@
|
||||
*
|
||||
*
|
||||
* IDENTIFICATION
|
||||
* $Header: /cvsroot/pgsql/src/backend/optimizer/util/pathnode.c,v 1.40 1999/02/21 03:48:54 scrappy Exp $
|
||||
* $Header: /cvsroot/pgsql/src/backend/optimizer/util/pathnode.c,v 1.41 1999/05/25 16:09:58 momjian Exp $
|
||||
*
|
||||
*-------------------------------------------------------------------------
|
||||
*/
|
||||
@ -62,7 +62,7 @@ path_is_cheaper(Path *path1, Path *path2)
|
||||
*
|
||||
*/
|
||||
Path *
|
||||
set_cheapest(RelOptInfo *parent_rel, List *pathlist)
|
||||
set_cheapest(RelOptInfo * parent_rel, List *pathlist)
|
||||
{
|
||||
List *p;
|
||||
Path *cheapest_so_far;
|
||||
@ -99,14 +99,14 @@ set_cheapest(RelOptInfo *parent_rel, List *pathlist)
|
||||
*
|
||||
*/
|
||||
List *
|
||||
add_pathlist(RelOptInfo *parent_rel, List *unique_paths, List *new_paths)
|
||||
add_pathlist(RelOptInfo * parent_rel, List *unique_paths, List *new_paths)
|
||||
{
|
||||
List *p1;
|
||||
|
||||
foreach(p1, new_paths)
|
||||
{
|
||||
Path *new_path = (Path *) lfirst(p1);
|
||||
Path *old_path;
|
||||
Path *old_path;
|
||||
bool is_new;
|
||||
|
||||
/* Is this new path already in unique_paths? */
|
||||
@ -174,7 +174,7 @@ better_path(Path *new_path, List *unique_paths, bool *is_new)
|
||||
|
||||
#ifdef OPTDUP_DEBUG
|
||||
if (!pathkeys_match(new_path->pathkeys, path->pathkeys, &better_key) ||
|
||||
better_key != 0)
|
||||
better_key != 0)
|
||||
{
|
||||
printf("betterkey = %d\n", better_key);
|
||||
printf("newpath\n");
|
||||
@ -182,13 +182,15 @@ better_path(Path *new_path, List *unique_paths, bool *is_new)
|
||||
printf("oldpath\n");
|
||||
pprint(path->pathkeys);
|
||||
if (path->pathkeys && new_path->pathkeys &&
|
||||
length(lfirst(path->pathkeys)) >= 2/* &&
|
||||
length(lfirst(path->pathkeys)) <
|
||||
length(lfirst(new_path->pathkeys))*/)
|
||||
sleep(0); /* set breakpoint here */
|
||||
length(lfirst(path->pathkeys)) >= 2 /* &&
|
||||
* length(lfirst(path->pa
|
||||
* thkeys)) <
|
||||
* length(lfirst(new_path
|
||||
->pathkeys)) */ )
|
||||
sleep(0); /* set breakpoint here */
|
||||
}
|
||||
if (!pathorder_match(new_path->pathorder, path->pathorder,
|
||||
&better_sort) ||
|
||||
&better_sort) ||
|
||||
better_sort != 0)
|
||||
{
|
||||
printf("neword\n");
|
||||
@ -199,25 +201,26 @@ better_path(Path *new_path, List *unique_paths, bool *is_new)
|
||||
#endif
|
||||
|
||||
if (pathkeys_match(new_path->pathkeys, path->pathkeys,
|
||||
&better_key) &&
|
||||
&better_key) &&
|
||||
pathorder_match(new_path->pathorder, path->pathorder,
|
||||
&better_sort))
|
||||
&better_sort))
|
||||
{
|
||||
|
||||
/*
|
||||
* Replace pathkeys that match exactly, {{1,2}}, {{1,2}}
|
||||
* Replace pathkeys {{1,2}} with {{1,2,3}}} if the latter is not
|
||||
* more expensive and replace unordered path with ordered
|
||||
* path if it is not more expensive. Favor sorted keys
|
||||
* over unsorted keys in the same way.
|
||||
* Replace pathkeys {{1,2}} with {{1,2,3}}} if the latter is
|
||||
* not more expensive and replace unordered path with ordered
|
||||
* path if it is not more expensive. Favor sorted keys over
|
||||
* unsorted keys in the same way.
|
||||
*/
|
||||
/* same keys, and new is cheaper, use it */
|
||||
if ((better_key == 0 && better_sort == 0 &&
|
||||
/* same keys, and new is cheaper, use it */
|
||||
if ((better_key == 0 && better_sort == 0 &&
|
||||
new_path->path_cost < path->path_cost) ||
|
||||
|
||||
/* new is better, and cheaper, use it */
|
||||
/* new is better, and cheaper, use it */
|
||||
(((better_key == 1 && better_sort != 2) ||
|
||||
(better_key != 2 && better_sort == 1)) &&
|
||||
new_path->path_cost <= path->path_cost))
|
||||
new_path->path_cost <= path->path_cost))
|
||||
{
|
||||
#ifdef OPTDUP_DEBUG
|
||||
printf("replace with new %p old %p better key %d better sort %d\n", &new_path, &path, better_key, better_sort);
|
||||
@ -230,14 +233,14 @@ better_path(Path *new_path, List *unique_paths, bool *is_new)
|
||||
return path;
|
||||
}
|
||||
|
||||
/* same keys, new is more expensive, stop */
|
||||
/* same keys, new is more expensive, stop */
|
||||
if ((better_key == 0 && better_sort == 0 &&
|
||||
new_path->path_cost >= path->path_cost) ||
|
||||
|
||||
/* old is better, and less expensive, stop */
|
||||
/* old is better, and less expensive, stop */
|
||||
(((better_key == 2 && better_sort != 1) ||
|
||||
(better_key != 1 && better_sort == 2)) &&
|
||||
new_path->path_cost >= path->path_cost))
|
||||
new_path->path_cost >= path->path_cost))
|
||||
{
|
||||
#ifdef OPTDUP_DEBUG
|
||||
printf("skip new %p old %p better key %d better sort %d\n", &new_path, &path, better_key, better_sort);
|
||||
@ -253,11 +256,11 @@ better_path(Path *new_path, List *unique_paths, bool *is_new)
|
||||
}
|
||||
|
||||
#ifdef OPTDUP_DEBUG
|
||||
printf("add new %p old %p better key %d better sort %d\n", &new_path, &path, better_key, better_sort);
|
||||
printf("new\n");
|
||||
pprint(new_path);
|
||||
printf("add new %p old %p better key %d better sort %d\n", &new_path, &path, better_key, better_sort);
|
||||
printf("new\n");
|
||||
pprint(new_path);
|
||||
#endif
|
||||
|
||||
|
||||
*is_new = true;
|
||||
return NULL;
|
||||
}
|
||||
@ -275,7 +278,7 @@ better_path(Path *new_path, List *unique_paths, bool *is_new)
|
||||
*
|
||||
*/
|
||||
Path *
|
||||
create_seqscan_path(RelOptInfo *rel)
|
||||
create_seqscan_path(RelOptInfo * rel)
|
||||
{
|
||||
int relid = 0;
|
||||
|
||||
@ -290,7 +293,7 @@ create_seqscan_path(RelOptInfo *rel)
|
||||
pathnode->pathkeys = NIL;
|
||||
|
||||
/*
|
||||
* copy restrictinfo list into path for expensive function processing
|
||||
* copy restrictinfo list into path for expensive function processing
|
||||
* JMH, 7/7/92
|
||||
*/
|
||||
pathnode->loc_restrictinfo = (List *) copyObject((Node *) rel->restrictinfo);
|
||||
@ -303,9 +306,7 @@ create_seqscan_path(RelOptInfo *rel)
|
||||
/* add in expensive functions cost! -- JMH, 7/7/92 */
|
||||
#ifdef NOT_USED
|
||||
if (XfuncMode != XFUNC_OFF)
|
||||
{
|
||||
pathnode->path_cost += xfunc_get_path_cost(pathnode);
|
||||
}
|
||||
#endif
|
||||
return pathnode;
|
||||
}
|
||||
@ -325,8 +326,8 @@ create_seqscan_path(RelOptInfo *rel)
|
||||
*/
|
||||
IndexPath *
|
||||
create_index_path(Query *root,
|
||||
RelOptInfo *rel,
|
||||
RelOptInfo *index,
|
||||
RelOptInfo * rel,
|
||||
RelOptInfo * index,
|
||||
List *restriction_clauses,
|
||||
bool is_join_scan)
|
||||
{
|
||||
@ -343,11 +344,11 @@ create_index_path(Query *root,
|
||||
pathnode->indexqual = NIL;
|
||||
|
||||
/*
|
||||
* copy restrictinfo list into path for expensive function processing
|
||||
* copy restrictinfo list into path for expensive function processing
|
||||
* JMH, 7/7/92
|
||||
*/
|
||||
pathnode->path.loc_restrictinfo = set_difference((List *) copyObject((Node *) rel->restrictinfo),
|
||||
(List *) restriction_clauses);
|
||||
(List *) restriction_clauses);
|
||||
|
||||
/*
|
||||
* The index must have an ordering for the path to have (ordering)
|
||||
@ -356,7 +357,7 @@ create_index_path(Query *root,
|
||||
if (pathnode->path.pathorder->ord.sortop)
|
||||
{
|
||||
pathnode->path.pathkeys = collect_index_pathkeys(index->indexkeys,
|
||||
rel->targetlist);
|
||||
rel->targetlist);
|
||||
|
||||
/*
|
||||
* Check that the keys haven't 'disappeared', since they may no
|
||||
@ -381,19 +382,19 @@ create_index_path(Query *root,
|
||||
/* is the statement above really true? what about IndexScan as the
|
||||
inner of a join? */
|
||||
pathnode->path.path_cost = cost_index(lfirsti(index->relids),
|
||||
index->pages,
|
||||
1.0,
|
||||
rel->pages,
|
||||
rel->tuples,
|
||||
index->pages,
|
||||
index->tuples,
|
||||
false);
|
||||
index->pages,
|
||||
1.0,
|
||||
rel->pages,
|
||||
rel->tuples,
|
||||
index->pages,
|
||||
index->tuples,
|
||||
false);
|
||||
#ifdef NOT_USED
|
||||
/* add in expensive functions cost! -- JMH, 7/7/92 */
|
||||
if (XfuncMode != XFUNC_OFF)
|
||||
{
|
||||
pathnode->path_cost = (pathnode->path_cost +
|
||||
xfunc_get_path_cost((Path *) pathnode));
|
||||
xfunc_get_path_cost((Path *) pathnode));
|
||||
}
|
||||
#endif
|
||||
}
|
||||
@ -427,24 +428,22 @@ create_index_path(Query *root,
|
||||
&npages,
|
||||
&selec);
|
||||
/* each clause gets an equal selectivity */
|
||||
clausesel = pow(selec, 1.0 / (double) length(restriction_clauses));
|
||||
clausesel = pow(selec, 1.0 / (double) length(restriction_clauses));
|
||||
|
||||
pathnode->indexqual = restriction_clauses;
|
||||
pathnode->path.path_cost = cost_index(lfirsti(index->relids),
|
||||
(int) npages,
|
||||
selec,
|
||||
rel->pages,
|
||||
rel->tuples,
|
||||
index->pages,
|
||||
index->tuples,
|
||||
false);
|
||||
(int) npages,
|
||||
selec,
|
||||
rel->pages,
|
||||
rel->tuples,
|
||||
index->pages,
|
||||
index->tuples,
|
||||
false);
|
||||
|
||||
#ifdef NOT_USED
|
||||
/* add in expensive functions cost! -- JMH, 7/7/92 */
|
||||
if (XfuncMode != XFUNC_OFF)
|
||||
{
|
||||
pathnode->path_cost += xfunc_get_path_cost((Path *) pathnode);
|
||||
}
|
||||
#endif
|
||||
|
||||
/*
|
||||
@ -474,8 +473,8 @@ create_index_path(Query *root,
|
||||
*
|
||||
*/
|
||||
NestPath *
|
||||
create_nestloop_path(RelOptInfo *joinrel,
|
||||
RelOptInfo *outer_rel,
|
||||
create_nestloop_path(RelOptInfo * joinrel,
|
||||
RelOptInfo * outer_rel,
|
||||
Path *outer_path,
|
||||
Path *inner_path,
|
||||
List *pathkeys)
|
||||
@ -492,7 +491,7 @@ create_nestloop_path(RelOptInfo *joinrel,
|
||||
pathnode->path.outerjoincost = (Cost) 0.0;
|
||||
pathnode->path.loc_restrictinfo = NIL;
|
||||
pathnode->path.pathorder = makeNode(PathOrder);
|
||||
|
||||
|
||||
if (pathkeys)
|
||||
{
|
||||
pathnode->path.pathorder->ordtype = outer_path->pathorder->ordtype;
|
||||
@ -508,12 +507,12 @@ create_nestloop_path(RelOptInfo *joinrel,
|
||||
}
|
||||
|
||||
pathnode->path.path_cost = cost_nestloop(outer_path->path_cost,
|
||||
inner_path->path_cost,
|
||||
outer_rel->size,
|
||||
inner_path->parent->size,
|
||||
page_size(outer_rel->size,
|
||||
outer_rel->width),
|
||||
IsA(inner_path, IndexPath));
|
||||
inner_path->path_cost,
|
||||
outer_rel->size,
|
||||
inner_path->parent->size,
|
||||
page_size(outer_rel->size,
|
||||
outer_rel->width),
|
||||
IsA(inner_path, IndexPath));
|
||||
/* add in expensive function costs -- JMH 7/7/92 */
|
||||
#ifdef NOT_USED
|
||||
if (XfuncMode != XFUNC_OFF)
|
||||
@ -542,7 +541,7 @@ create_nestloop_path(RelOptInfo *joinrel,
|
||||
*
|
||||
*/
|
||||
MergePath *
|
||||
create_mergejoin_path(RelOptInfo *joinrel,
|
||||
create_mergejoin_path(RelOptInfo * joinrel,
|
||||
int outersize,
|
||||
int innersize,
|
||||
int outerwidth,
|
||||
@ -571,19 +570,17 @@ create_mergejoin_path(RelOptInfo *joinrel,
|
||||
pathnode->outersortkeys = outersortkeys;
|
||||
pathnode->innersortkeys = innersortkeys;
|
||||
pathnode->jpath.path.path_cost = cost_mergejoin(outer_path->path_cost,
|
||||
inner_path->path_cost,
|
||||
outersortkeys,
|
||||
innersortkeys,
|
||||
outersize,
|
||||
innersize,
|
||||
outerwidth,
|
||||
innerwidth);
|
||||
inner_path->path_cost,
|
||||
outersortkeys,
|
||||
innersortkeys,
|
||||
outersize,
|
||||
innersize,
|
||||
outerwidth,
|
||||
innerwidth);
|
||||
/* add in expensive function costs -- JMH 7/7/92 */
|
||||
#ifdef NOT_USED
|
||||
if (XfuncMode != XFUNC_OFF)
|
||||
{
|
||||
pathnode->path_cost += xfunc_get_path_cost((Path *) pathnode);
|
||||
}
|
||||
#endif
|
||||
return pathnode;
|
||||
}
|
||||
@ -607,7 +604,7 @@ create_mergejoin_path(RelOptInfo *joinrel,
|
||||
*
|
||||
*/
|
||||
HashPath *
|
||||
create_hashjoin_path(RelOptInfo *joinrel,
|
||||
create_hashjoin_path(RelOptInfo * joinrel,
|
||||
int outersize,
|
||||
int innersize,
|
||||
int outerwidth,
|
||||
@ -639,17 +636,15 @@ create_hashjoin_path(RelOptInfo *joinrel,
|
||||
pathnode->outerhashkeys = outerkeys;
|
||||
pathnode->innerhashkeys = innerkeys;
|
||||
pathnode->jpath.path.path_cost = cost_hashjoin(outer_path->path_cost,
|
||||
inner_path->path_cost,
|
||||
outerkeys,
|
||||
innerkeys,
|
||||
outersize, innersize,
|
||||
outerwidth, innerwidth);
|
||||
inner_path->path_cost,
|
||||
outerkeys,
|
||||
innerkeys,
|
||||
outersize, innersize,
|
||||
outerwidth, innerwidth);
|
||||
/* add in expensive function costs -- JMH 7/7/92 */
|
||||
#ifdef NOT_USED
|
||||
if (XfuncMode != XFUNC_OFF)
|
||||
{
|
||||
pathnode->path_cost += xfunc_get_path_cost((Path *) pathnode);
|
||||
}
|
||||
#endif
|
||||
return pathnode;
|
||||
}
|
||||
|
Reference in New Issue
Block a user