Update of /cvsroot/monetdb/MonetDB5/src/optimizer
In directory sc8-pr-cvs16.sourceforge.net:/tmp/cvs-serv22749/src/optimizer
Modified Files:
Tag: GDK-2
opt_mergetable.mx
Log Message:
propagated changes of Tuesday Aug 28 2007 - Monday Sep 03 2007
from the development trunk to the GDK-2 branch
Index: opt_mergetable.mx
===================================================================
RCS file: /cvsroot/monetdb/MonetDB5/src/optimizer/opt_mergetable.mx,v
retrieving revision 1.12.2.2
retrieving revision 1.12.2.3
diff -u -d -r1.12.2.2 -r1.12.2.3
--- opt_mergetable.mx 21 Aug 2007 13:24:30 -0000 1.12.2.2
+++ opt_mergetable.mx 3 Sep 2007 13:08:33 -0000 1.12.2.3
@@ -139,6 +139,7 @@
#include "mal_builder.h"
/* #define DEBUG_OPT_MERGETABLE show partial result */
+#define BPMtest
@c
#include "mal_config.h"
#include "opt_mergetable.h"
@@ -158,18 +159,24 @@
static InstrPtr
MATpackAll(MalBlkPtr mb, InstrPtr r, int m, InstrPtr *mat, int *mvar, int
*mtop){
int j,l,k;
- if( r== NULL){
- r = newInstruction(mb, ASSIGNsymbol);
- setModuleId(r,matRef);
- setFunctionId(r,packRef);
+ r = newInstruction(mb, ASSIGNsymbol);
+ if( mat[m]->argc-mat[m]->retc ==1){
+ /* simple assignment is sufficient */
getArg(r,0)= getArg(mat[m],0);
- }
- for(l=mat[m]->retc; l< mat[m]->argc; l++){
- k= isMATalias( getArg(mat[m],l),mvar,*mtop);
- if( k< 0)
- r= pushArgument(mb,r, getArg(mat[m],l));
- else
- r= MATpackAll(mb,r, k, mat,mvar,mtop);
+ getArg(r,1)= getArg(mat[m],1);
+ } else{
+ if( r== NULL){
+ setModuleId(r,matRef);
+ setFunctionId(r,packRef);
+ getArg(r,0)= getArg(mat[m],0);
+ }
+ for(l=mat[m]->retc; l< mat[m]->argc; l++){
+ k= isMATalias( getArg(mat[m],l),mvar,*mtop);
+ if( k< 0)
+ r= pushArgument(mb,r, getArg(mat[m],l));
+ else
+ r= MATpackAll(mb,r, k, mat,mvar,mtop);
+ }
}
for(j=m; j < *mtop-1; j++){
mat[j]= mat[j+1];
@@ -208,41 +215,70 @@
static InstrPtr
MATpartitionTableDummy(MalBlkPtr mb, InstrPtr p)
{
- InstrPtr q,r,p2;
- int v= getArg(p,0);
+ int v= getArg(p,0);
+ InstrPtr q;
+#ifndef BPMtest
+ InstrPtr r,p2;
- freezeVarType(mb,getArg(p,0));
+ freezeVarType(mb,getArg(p,0));
#ifdef DEBUG_OPT_MERGETABLE
- stream_printf(GDKout,"found bind\n");
- printInstruction(GDKout,mb,p,0);
+ stream_printf(GDKout,"found bind\n");
+ printInstruction(GDKout,mb,p,0);
#endif
- pushInstruction(mb,p);
+ pushInstruction(mb,p);
- p2= newStmt(mb,batRef,newRef);
- setVarType(mb,getArg(p2,0),getVarType(mb,v));
- p2= pushArgument(mb,p2,v);
+ p2= newStmt(mb,batRef,newRef);
+ setVarType(mb,getArg(p2,0),getVarType(mb,v));
+ p2= pushArgument(mb,p2,v);
- q= newStmt(mb,matRef,newRef);
- setVarType(mb,getArg(q,0),getVarType(mb,v));
+ q= newStmt(mb,matRef,newRef);
+ setVarType(mb,getArg(q,0),getVarType(mb,v));
- getArg(p,0)= getArg(q,0);
- getArg(p2,1)= getArg(p,0);
- getArg(q,0)= v;
- q= pushArgument(mb, q, getArg(p,0));
- q= pushArgument(mb, q, getArg(p2,0));
-
- /* the oid ranges should be sequentially aligned */
- r = newStmt(mb,batRef, putName("setBase",7));
- r= pushArgument(mb, r, getArg(p,0));
- r= pushArgument(mb, r, getArg(p2,0));
+ getArg(p,0)= getArg(q,0);
+ getArg(p2,1)= getArg(p,0);
+ getArg(q,0)= v;
+ q= pushArgument(mb, q, getArg(p,0));
+ q= pushArgument(mb, q, getArg(p2,0));
+
+ /* the oid ranges should be sequentially aligned */
+ r = newStmt(mb,batRef, putName("setBase",7));
+ r= pushArgument(mb, r, getArg(p,0));
+ r= pushArgument(mb, r, getArg(p2,0));
#ifdef DEBUG_OPT_MERGETABLE
- stream_printf(GDKout,"new block\n");
- printInstruction(GDKout,mb,p,0);
- printInstruction(GDKout,mb,p2,0);
- printInstruction(GDKout,mb,q,0);
- printInstruction(GDKout,mb,r,0);
+ stream_printf(GDKout,"new block\n");
+ printInstruction(GDKout,mb,p,0);
+ printInstruction(GDKout,mb,p2,0);
+ printInstruction(GDKout,mb,q,0);
+ printInstruction(GDKout,mb,r,0);
#endif
- return q;
[EMAIL PROTECTED]
+The SQL optimizer has already deduced the BAT id,
+which we can reuse to access the partitions in the BPM
+catalog.
[EMAIL PROTECTED]
+#else
+ int bid;
+ int top;
+
+ pushInstruction(mb,p);
+ if( getProps(mb,getArg(p,0))==0)
+ return NULL;
+ bid = *(int*) getPropertyValue(getProps(mb,getArg(p,0)),"bid");
+#ifdef DEBUG_OPT_MERGETABLE
+ stream_printf(GDKout,"replace bid %d\n");
+#endif
+ top= mb->stop;
+ BPMexpand(mb, v, bid);
+ q = newInstruction(mb, ASSIGNsymbol);
+ setModuleId(q,matRef);
+ setFunctionId(q,newRef);
+ getArg(q,0)= v;
+ for(; top<mb->stop; top++){
+ setVarType(mb,getArg(getInstrPtr(mb,top),0),getVarType(mb,v));
+ q= pushArgument(mb, q, getArg(getInstrPtr(mb,top),0));
+ }
+#endif
+ return q;
}
static int
@@ -252,8 +288,8 @@
int size,match,actions=0;
#ifdef DEBUG_OPT_MERGETABLE
- stream_printf(GDKout,"Start MAT optimizer\n");
- printFunction(GDKout, mb, 0);
+ tream_printf(GDKout,"Start MAT optimizer\n");
+
#endif
old = mb->stmt;
@@ -282,10 +318,12 @@
if( (getModuleId(p)== sqlRef && getFunctionId(p)==bindRef)){
int v= getArg(p,0);
q= MATpartitionTableDummy(mb,p);
- mat[mtop]= q;
- mvar[mtop] = v;
- mtop++;
- actions++;
+ if( q){
+ mat[mtop]= q;
+ mvar[mtop] = v;
+ mtop++;
+ actions++;
+ }
continue;
}
@-
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