MonetDB: Feb2013 - Fixed a rare case were we lost updates.

[Niels Nes]

Changeset: faadeb7e6ef9 for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=faadeb7e6ef9
Modified Files:
        sql/storage/bat/bat_storage.c
Branch: Feb2013
Log Message:

Fixed a rare case were we lost updates.


diffs (18 lines):

diff --git a/sql/storage/bat/bat_storage.c b/sql/storage/bat/bat_storage.c
--- a/sql/storage/bat/bat_storage.c
+++ b/sql/storage/bat/bat_storage.c
@@ -105,6 +105,14 @@ delta_bind_bat( sql_delta *bat, int acce
        if (temp || access == RD_INS) {
                assert(bat->ibid);
                b = temp_descriptor(bat->ibid);
+               if (BATcount(b) && bat->ubid) {
+                       BAT *upd = temp_descriptor(bat->ubid), *updins;
+                       
+                       updins = BATsemijoin(upd, b);
+                       bat_destroy(upd);
+                       void_replace_bat(b, updins, TRUE);
+                       bat_destroy(updins);
+               }
        } else if (!bat->bid) {
                int tt = 0;
                b = temp_descriptor(bat->ibid);
_______________________________________________
checkin-list mailing list
checkin-list@monetdb.org
http://mail.monetdb.org/mailman/listinfo/checkin-list