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Be more realistic about plans involving Materialize nodes: take their

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cost into account while planning.
This commit is contained in:
Tom Lane
2002-11-30 05:21:03 +00:00
parent 829cedc8cf
commit 935969415a
19 changed files with 320 additions and 160 deletions
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32
src/backend/nodes/copyfuncs.c
View File

@@ -15,7 +15,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.224 2002/11/30 00:08:16 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.225 2002/11/30 05:21:01 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -1142,6 +1142,27 @@ _copyResultPath(ResultPath *from)
return newnode;
}
/*
* _copyMaterialPath
*/
static MaterialPath *
_copyMaterialPath(MaterialPath *from)
{
MaterialPath *newnode = makeNode(MaterialPath);
/*
* copy node superclass fields
*/
CopyPathFields((Path *) from, (Path *) newnode);
/*
* copy remainder of node
*/
COPY_NODE_FIELD(subpath);
return newnode;
}
/*
* CopyJoinPathFields
*
@@ -2739,6 +2760,9 @@ copyObject(void *from)
case T_RelOptInfo:
retval = _copyRelOptInfo(from);
break;
case T_IndexOptInfo:
retval = _copyIndexOptInfo(from);
break;
case T_Path:
retval = _copyPath(from);
break;
@@ -2754,6 +2778,9 @@ copyObject(void *from)
case T_ResultPath:
retval = _copyResultPath(from);
break;
case T_MaterialPath:
retval = _copyMaterialPath(from);
break;
case T_NestPath:
retval = _copyNestPath(from);
break;
@@ -2772,9 +2799,6 @@ copyObject(void *from)
case T_JoinInfo:
retval = _copyJoinInfo(from);
break;
case T_IndexOptInfo:
retval = _copyIndexOptInfo(from);
break;
case T_InnerIndexscanInfo:
retval = _copyInnerIndexscanInfo(from);
break;

39
src/backend/nodes/equalfuncs.c
View File

@@ -20,7 +20,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/equalfuncs.c,v 1.169 2002/11/25 21:29:36 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/equalfuncs.c,v 1.170 2002/11/30 05:21:01 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -456,6 +456,16 @@ _equalResultPath(ResultPath *a, ResultPath *b)
return true;
}
static bool
_equalMaterialPath(MaterialPath *a, MaterialPath *b)
{
if (!_equalPath((Path *) a, (Path *) b))
return false;
COMPARE_NODE_FIELD(subpath);
return true;
}
static bool
_equalJoinPath(JoinPath *a, JoinPath *b)
{
@@ -1704,12 +1714,27 @@ equal(void *a, void *b)
case T_RelOptInfo:
retval = _equalRelOptInfo(a, b);
break;
case T_IndexOptInfo:
retval = _equalIndexOptInfo(a, b);
break;
case T_Path:
retval = _equalPath(a, b);
break;
case T_IndexPath:
retval = _equalIndexPath(a, b);
break;
case T_TidPath:
retval = _equalTidPath(a, b);
break;
case T_AppendPath:
retval = _equalAppendPath(a, b);
break;
case T_ResultPath:
retval = _equalResultPath(a, b);
break;
case T_MaterialPath:
retval = _equalMaterialPath(a, b);
break;
case T_NestPath:
retval = _equalNestPath(a, b);
break;
@@ -1731,18 +1756,6 @@ equal(void *a, void *b)
case T_InnerIndexscanInfo:
retval = _equalInnerIndexscanInfo(a, b);
break;
case T_TidPath:
retval = _equalTidPath(a, b);
break;
case T_AppendPath:
retval = _equalAppendPath(a, b);
break;
case T_ResultPath:
retval = _equalResultPath(a, b);
break;
case T_IndexOptInfo:
retval = _equalIndexOptInfo(a, b);
break;
case T_List:
{

15
src/backend/nodes/outfuncs.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/outfuncs.c,v 1.184 2002/11/30 00:08:16 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/outfuncs.c,v 1.185 2002/11/30 05:21:02 tgl Exp $
*
* NOTES
* Every node type that can appear in stored rules' parsetrees *must*
@@ -1010,6 +1010,16 @@ _outResultPath(StringInfo str, ResultPath *node)
WRITE_NODE_FIELD(constantqual);
}
static void
_outMaterialPath(StringInfo str, MaterialPath *node)
{
WRITE_NODE_TYPE("MATERIALPATH");
_outPathInfo(str, (Path *) node);
WRITE_NODE_FIELD(subpath);
}
static void
_outNestPath(StringInfo str, NestPath *node)
{
@@ -1557,6 +1567,9 @@ _outNode(StringInfo str, void *obj)
case T_ResultPath:
_outResultPath(str, obj);
break;
case T_MaterialPath:
_outMaterialPath(str, obj);
break;
case T_NestPath:
_outNestPath(str, obj);
break;