Update of /cvsroot/monetdb/sql/src/storage/bat
In directory 23jxhf1.ch3.sourceforge.com:/tmp/cvs-serv6865/src/storage/bat
Modified Files:
Tag: Aug2009
bat_storage.mx
Log Message:
fix for bug ID 2864313
SQL: Update changes all columns with same type and default
A single bat was used for multiple columns.
We now make sure we copy the bat when its already used.
U bat_storage.mx
Index: bat_storage.mx
===================================================================
RCS file: /cvsroot/monetdb/sql/src/storage/bat/bat_storage.mx,v
retrieving revision 1.42.2.3
retrieving revision 1.42.2.4
diff -u -d -r1.42.2.3 -r1.42.2.4
--- bat_storage.mx 18 Aug 2009 05:59:04 -0000 1.42.2.3
+++ bat_storage.mx 22 Sep 2009 21:18:36 -0000 1.42.2.4
@@ -286,7 +286,7 @@
BAT *b = temp_descriptor(bat->ibid);
bat->cnt += BATcount(i);
- if ( BATcount(b) == 0 && !isVIEW(i) && i->htype == TYPE_void &&
i->ttype != TYPE_void && bat->ibase == i->H->seq){
+ if ( BATcount(b) == 0 && !isVIEW(i) && BBP_lrefs(i->batCacheid) <= 1 &&
i->htype == TYPE_void && i->ttype != TYPE_void && bat->ibase == i->H->seq){
temp_destroy(bat->ibid);
bat->ibid = temp_create(i);
BATseqbase(i, bat->ibase);
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