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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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30
src/backend/optimizer/path/predmig.c
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@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/optimizer/path/Attic/predmig.c,v 1.13 1998/09/01 04:29:42 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/optimizer/path/Attic/predmig.c,v 1.14 1999/02/03 20:15:34 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -64,7 +64,7 @@ static void xfunc_form_groups(Stream root, Stream bottom);
static void xfunc_free_stream(Stream root);
static Stream xfunc_add_clauses(Stream current);
static void xfunc_setup_group(Stream node, Stream bottom);
static Stream xfunc_streaminsert(ClauseInfo clauseinfo, Stream current,
static Stream xfunc_streaminsert(RestrictInfo restrictinfo, Stream current,
int clausetype);
static int xfunc_num_relids(Stream node);
static StreamPtr xfunc_get_downjoin(Stream node);
@@ -142,7 +142,7 @@ xfunc_predmig(JoinPath pathnode,/* root of the join tree */
set_downstream(laststream, (StreamPtr) newstream);
set_downstream(newstream, (StreamPtr) NULL);
set_pathptr(newstream, (pathPtr) pathnode);
set_cinfo(newstream, (ClauseInfo) NULL);
set_cinfo(newstream, (RestrictInfo) NULL);
set_clausetype(newstream, XFUNC_UNKNOWN);
/* base case: we're at a leaf, call xfunc_series_llel */
@@ -315,7 +315,7 @@ xfunc_complete_stream(Stream stream)
static bool
xfunc_prdmig_pullup(Stream origstream, Stream pullme, JoinPath joinpath)
{
ClauseInfo clauseinfo = get_cinfo(pullme);
RestrictInfo restrictinfo = get_cinfo(pullme);
bool progress = false;
Stream upjoin,
orignode,
@@ -325,7 +325,7 @@ xfunc_prdmig_pullup(Stream origstream, Stream pullme, JoinPath joinpath)
/* find node in origstream that contains clause */
for (orignode = origstream;
orignode != (Stream) NULL
&& get_cinfo(orignode) != clauseinfo;
&& get_cinfo(orignode) != restrictinfo;
orignode = (Stream) get_downstream(orignode))
/* empty body in for loop */ ;
if (!orignode)
@@ -348,13 +348,13 @@ xfunc_prdmig_pullup(Stream origstream, Stream pullme, JoinPath joinpath)
whichchild = OUTER;
else
whichchild = INNER;
clauseinfo = xfunc_pullup((Path) get_pathptr((Stream) get_downstream(upjoin)),
restrictinfo = xfunc_pullup((Path) get_pathptr((Stream) get_downstream(upjoin)),
(JoinPath) get_pathptr(upjoin),
clauseinfo,
restrictinfo,
whichchild,
get_clausetype(orignode));
set_pathptr(pullme, get_pathptr(upjoin));
/* pullme has been moved into locclauseinfo */
/* pullme has been moved into locrestrictinfo */
set_clausetype(pullme, XFUNC_LOCPRD);
/*
@@ -524,10 +524,10 @@ xfunc_add_clauses(Stream current)
LispValue primjoin;
/* first add in the local clauses */
foreach(temp, get_locclauseinfo((Path) get_pathptr(current)))
foreach(temp, get_loc_restrictinfo((Path) get_pathptr(current)))
{
topnode =
xfunc_streaminsert((ClauseInfo) lfirst(temp), topnode,
xfunc_streaminsert((RestrictInfo) lfirst(temp), topnode,
XFUNC_LOCPRD);
}
@@ -535,11 +535,11 @@ xfunc_add_clauses(Stream current)
if (IsA(get_pathptr(current), JoinPath))
{
primjoin = xfunc_primary_join((JoinPath) get_pathptr(current));
foreach(temp, get_pathclauseinfo((JoinPath) get_pathptr(current)))
foreach(temp, get_pathrestrictinfo((JoinPath) get_pathptr(current)))
{
if (!equal(get_clause((ClauseInfo) lfirst(temp)), primjoin))
if (!equal(get_clause((RestrictInfo) lfirst(temp)), primjoin))
topnode =
xfunc_streaminsert((ClauseInfo) lfirst(temp), topnode,
xfunc_streaminsert((RestrictInfo) lfirst(temp), topnode,
XFUNC_JOINPRD);
}
}
@@ -593,7 +593,7 @@ xfunc_setup_group(Stream node, Stream bottom)
** Return new node.
*/
static Stream
xfunc_streaminsert(ClauseInfo clauseinfo,
xfunc_streaminsert(RestrictInfo restrictinfo,
Stream current,
int clausetype) /* XFUNC_LOCPRD or XFUNC_JOINPRD */
{
@@ -605,7 +605,7 @@ xfunc_streaminsert(ClauseInfo clauseinfo,
set_upstream(current, (StreamPtr) newstream);
set_downstream(newstream, (StreamPtr) current);
set_pathptr(newstream, get_pathptr(current));
set_cinfo(newstream, clauseinfo);
set_cinfo(newstream, restrictinfo);
set_clausetype(newstream, clausetype);
return newstream;
}