Changeset: 61fcae1e684f for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB/rev/61fcae1e684f
Modified Files:
gdk/gdk_batop.c
Branch: Jul2021
Log Message:
When old and new value are the same, there is nothing to do.
diffs (17 lines):
diff --git a/gdk/gdk_batop.c b/gdk/gdk_batop.c
--- a/gdk/gdk_batop.c
+++ b/gdk/gdk_batop.c
@@ -1174,6 +1174,13 @@ BATappend_or_update(BAT *b, BAT *p, cons
}
const void *old = BUNtvar(bi, updid);
+
+ if (atomcmp(old, new) == 0) {
+ /* replacing with the same value:
+ * nothing to do */
+ continue;
+ }
+
bool isnil = atomcmp(new, nil) == 0;
anynil |= isnil;
if (b->tnil &&
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