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Update flow chart.

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pull/50/head
Bruce Momjian 28 years ago
parent 439a2af0bc
commit c8b42a6151
6 changed files with 92 additions and 100 deletions
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  1. 8
      src/backend/optimizer/path/allpaths.c
  2. 5
      src/backend/optimizer/path/indxpath.c
  3. 5
      src/backend/optimizer/path/mergeutils.c
  4. 137
      src/tools/backend/flow.fig
  5. BIN
      src/tools/backend/flow.jpg
  6. 37
      src/tools/backend/index.html

8
src/backend/optimizer/path/allpaths.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/optimizer/path/allpaths.c,v 1.17 1998/07/18 04:22:29 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/optimizer/path/allpaths.c,v 1.18 1998/08/04 00:42:07 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -105,7 +105,6 @@ static void
find_rel_paths(Query *root, List *rels)
{
List *temp;
RelOptInfo *rel;
List *lastpath;
foreach(temp, rels)
@ -113,8 +112,8 @@ find_rel_paths(Query *root, List *rels)
List *sequential_scan_list;
List *rel_index_scan_list;
List *or_index_scan_list;
RelOptInfo *rel = (RelOptInfo *) lfirst(temp);
rel = (RelOptInfo *) lfirst(temp);
sequential_scan_list = lcons(create_seqscan_path(rel),
NIL);
@ -125,8 +124,7 @@ find_rel_paths(Query *root, List *rels)
rel->clauseinfo,
rel->joininfo);
or_index_scan_list =
create_or_index_paths(root, rel, rel->clauseinfo);
or_index_scan_list = create_or_index_paths(root, rel, rel->clauseinfo);
rel->pathlist = add_pathlist(rel,
sequential_scan_list,

5
src/backend/optimizer/path/indxpath.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/optimizer/path/indxpath.c,v 1.23 1998/08/03 05:49:19 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/optimizer/path/indxpath.c,v 1.24 1998/08/04 00:42:08 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -1291,8 +1291,7 @@ create_index_paths(Query *root,
if (!join || temp)
{ /* restriction, ordering scan */
temp_path = create_index_path(root, rel, index, clausegroup, join);
temp_node =
lcons(temp_path, NIL);
temp_node = lcons(temp_path, NIL);
ip_list = nconc(ip_list, temp_node);
}
}

5
src/backend/optimizer/path/mergeutils.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/optimizer/path/Attic/mergeutils.c,v 1.5 1998/02/26 04:32:41 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/optimizer/path/Attic/mergeutils.c,v 1.6 1998/08/04 00:42:09 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -61,8 +61,7 @@ group_clauses_by_order(List *clauseinfo_list,
p_ordering.ordtype = MERGE_ORDER;
p_ordering.ord.merge = merge_ordering;
xmergeinfo =
match_order_mergeinfo(&p_ordering, mergeinfo_list);
xmergeinfo = match_order_mergeinfo(&p_ordering, mergeinfo_list);
if (inner_relid == leftop->varno)
{
keys = makeNode(JoinKey);

137
src/tools/backend/flow.fig
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37
src/tools/backend/index.html
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@ -13,32 +13,33 @@ by Bruce Momjian
<CENTER>
<BR>
<BR>
<IMG src="flow.jpg" usemap="#flowmap" alt="flowchart">
<IMG src="flow.jpg" usemap="#flowmap" alt="flowchart" border=0>
</CENTER>
<MAP name="flowmap">
<AREA COORDS="80,130,240,170" HREF="backend_dirs.html#main">
<AREA COORDS="80,210,240,250" HREF="backend_dirs.html#postmaster">
<AREA COORDS="340,170,500,210" HREF="backend_dirs.html#libpq">
<AREA COORDS="80,290,240,330" HREF="backend_dirs.html#tcop">
<AREA COORDS="340,290,500,330" HREF="backend_dirs.html#tcop">
<AREA COORDS="80,390,240,430" HREF="backend_dirs.html#parser">
<AREA COORDS="80,470,240,510" HREF="backend_dirs.html#tcop">
<AREA COORDS="80,550,240,590" HREF="backend_dirs.html#optimizer">
<AREA COORDS="80,530,240,670" HREF="backend_dirs.html#optimizer/plan">
<AREA COORDS="80,710,240,750" HREF="backend_dirs.html#executor">
<AREA COORDS="340,470,500,510" HREF="backend_dirs.html#commands">
<AREA COORDS="10,820,170,870" HREF="backend_dirs.html#utils">
<AREA COORDS="220,820,380,860" HREF="backend_dirs.html#catalog">
<AREA COORDS="430,820,600,870" HREF="backend_dirs.html#storage">
<AREA COORDS="110,900,280,950" HREF="backend_dirs.html#access">
<AREA COORDS="340,900,500,950" HREF="backend_dirs.html#nodes">
<AREA COORDS="20,990,180,1030" HREF="backend_dirs.html#bootstrap">
<AREA COORDS="80,10,240,50" HREF="backend_dirs.html#main">
<AREA COORDS="80,90,240,130" HREF="backend_dirs.html#postmaster">
<AREA COORDS="340,50,500,90" HREF="backend_dirs.html#libpq">
<AREA COORDS="80,170,240,210" HREF="backend_dirs.html#tcop">
<AREA COORDS="340,170,500,210" HREF="backend_dirs.html#tcop">
<AREA COORDS="80,270,240,310" HREF="backend_dirs.html#parser">
<AREA COORDS="80,350,240,390" HREF="backend_dirs.html#tcop">
<AREA COORDS="80,430,240,470" HREF="backend_dirs.html#optimizer">
<AREA COORDS="80,410,240,550" HREF="backend_dirs.html#optimizer/plan">
<AREA COORDS="80,590,240,630" HREF="backend_dirs.html#executor">
<AREA COORDS="340,350,500,390" HREF="backend_dirs.html#commands">
<AREA COORDS="10,700,170,750" HREF="backend_dirs.html#utils">
<AREA COORDS="220,700,380,740" HREF="backend_dirs.html#catalog">
<AREA COORDS="430,700,600,750" HREF="backend_dirs.html#storage">
<AREA COORDS="110,780,280,830" HREF="backend_dirs.html#access">
<AREA COORDS="340,780,500,830" HREF="backend_dirs.html#nodes">
<AREA COORDS="20,870,180,910" HREF="backend_dirs.html#bootstrap">
</MAP>
<CENTER><EM>
Click on an item to see more detail or look at the full
<A HREF="backend_dirs.html">index.</A>
</EM></CENTER>
<BR>
<BR>
<P>

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