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Describe the bug
The IS DISTINCT FROM operator in MonetDB returns unexpected results when used with NULL. Specifically, the negation of NULL IS DISTINCT FROM NULL returns NULL instead of true.
To Reproduce
SELECT (NULL IS DISTINCT FROMNULL); -- falseSELECT NOT (NULL IS DISTINCT FROMNULL); -- null (unexpected)
Expected behavior
As mentioned above.
Screenshots
N/A
Software versions
Build from source:
> docker exec -it monetdb-test mserver5 --version
MonetDB 5 server 11.50.0 (hg id: 6e3d6f5) (64-bit, 128-bit integers)
This is an unreleased version
Copyright (c) 1993 - July 2008 CWI
Copyright (c) August 2008 - 2023 MonetDB B.V., all rights reserved
Visit https://www.monetdb.org/ for further information
Found 503.5GiB available memory, 128 available cpu cores
Libraries:
Compiled by: @7094a4ca4432 (x86_64-pc-linux-gnu)
Compilation: /usr/bin/cc
Linking : /usr/bin/ld
Issue labeling
Bug
Additional context
Add any other context about the problem here.
The text was updated successfully, but these errors were encountered:
Describe the bug
The
IS DISTINCT FROM
operator in MonetDB returns unexpected results when used withNULL
. Specifically, the negation ofNULL IS DISTINCT FROM NULL
returnsNULL
instead oftrue
.To Reproduce
Expected behavior
As mentioned above.
Screenshots
N/A
Software versions
Build from source:
Issue labeling
Bug
Additional context
Add any other context about the problem here.
The text was updated successfully, but these errors were encountered: