Changeset: 1ee06056997e for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=1ee06056997e
Modified Files:
monetdb5/modules/mosaic/mosaic_select_template.h
Branch: mosaic
Log Message:
Use canditer_search to speed up iterator management.
diffs (28 lines):
diff --git a/monetdb5/modules/mosaic/mosaic_select_template.h
b/monetdb5/modules/mosaic/mosaic_select_template.h
--- a/monetdb5/modules/mosaic/mosaic_select_template.h
+++ b/monetdb5/modules/mosaic/mosaic_select_template.h
@@ -41,18 +41,17 @@ MOSselect_SIGNATURE(METHOD, TPE) {
/* Advance the candidate iterator to the first element within
* the oid range of the current block.
*/
- oid c = canditer_next(task->ci);
- while (!is_oid_nil(c) && c < first ) {
- c = canditer_next(task->ci);
- }
-
- if (is_oid_nil(c)) {
+ oid c = canditer_search(task->ci, first, true);
+ canditer_setidx(task->ci, c);
+ c = canditer_next(task->ci);
+ if (is_oid_nil(c)) {
/* Nothing left to scan.
* So we can signal the generic select function to stop now.
*/
return MAL_SUCCEED;
}
- else if ( nil && anti){
+
+ if ( nil && anti){
if (task->ci->tpe == cand_dense)
select_general(true, true, canditer_next_dense);
else
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