Changeset: 3deef0b97d9b for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=3deef0b97d9b
Modified Files:
monetdb5/extras/crackers/crackers_selecthol_ops.mx
Branch: holindex
Log Message:
Increase the frequency of an index every time it is used.
diffs (32 lines):
diff --git a/monetdb5/extras/crackers/crackers_selecthol_ops.mx
b/monetdb5/extras/crackers/crackers_selecthol_ops.mx
--- a/monetdb5/extras/crackers/crackers_selecthol_ops.mx
+++ b/monetdb5/extras/crackers/crackers_selecthol_ops.mx
@@ -315,6 +315,8 @@ createView:
FrequencyNode *FrequencyStructA = getFrequencyStruct('A');
FN=searchBAT(FrequencyStructA,*bid);
+ FN->f1 = FN->f1 + 1; /*increase the frequency (for the 2nd cost
model)*/
+
/*fprintf(stderr,"This is from selcrack_HOL operators\n");*/
/*fprintf(stderr,"FN->bid=%d\n",FN->bid);*/
@@ -350,7 +352,7 @@ createView:
countBatElements=BATcount(b);
/*fprintf(stderr,"BATcount(b)=%d",countBatElements);*/
- FN->f1 = FN->f1 + 1;
+ /*FN->f1 = FN->f1 + 1;*/
FN->weight = changeWeight_1(FN,countBatElements,L1);
if ((c = BATdescriptor(CrackerIndex[m].cid)) == NULL)
@@ -463,8 +465,8 @@ createView:
- if(foundLow==0 || foundHgh==0) FN->f1 = FN->f1 + 1;
- else FN->f2 = FN->f2 +1;
+ /*if(foundLow==0 || foundHgh==0) FN->f1 = FN->f1 + 1;
+ else FN->f2 = FN->f2 +1; */
/* If one or both of the result view bounds were not found using the
index then we have to crack */
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