Changeset: c83d9b19d8be for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=c83d9b19d8be
Modified Files:
monetdb5/modules/kernel/algebra.c
Branch: Nov2019
Log Message:
Bug fix: compare values not pointers.
diffs (12 lines):
diff --git a/monetdb5/modules/kernel/algebra.c
b/monetdb5/modules/kernel/algebra.c
--- a/monetdb5/modules/kernel/algebra.c
+++ b/monetdb5/modules/kernel/algebra.c
@@ -310,7 +310,7 @@ ALGselect2nil(bat *result, const bat *bi
low = high;
else if (*hi == 1 && ATOMcmp(b->ttype, high, nilptr) == 0)
high = low;
- if (low == high && ATOMcmp(b->ttype, high, nilptr) == 0) /* ugh sql nil
!= nil */
+ if (ATOMcmp(b->ttype, low, high) == 0 && ATOMcmp(b->ttype, high,
nilptr) == 0) /* ugh sql nil != nil */
nanti = !nanti;
bn = BATselect(b, s, low, high, *li, *hi, nanti);
BBPunfix(b->batCacheid);
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