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[GPU Error Bug] CAST(<column>+<column>(overflow) AS BOOLEAN) Brings Errors #817

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qwebug opened this issue Nov 6, 2023 · 0 comments
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qwebug commented Nov 6, 2023

Describe:

Using CAST(<column>+<column>(overflow) AS BOOLEAN) brings different results , when set EXECUTOR_DEVICE 'CPU' and 'GPU'.

SQL:

CREATE TABLE t0(c0 INTEGER NULL);
INSERT INTO t0(c0) VALUES(1707341980);
ALTER SESSION SET EXECUTOR_DEVICE='CPU';
SELECT ALL t0.c0 FROM t0 WHERE CAST(t0.c0+t0.c0 AS BOOLEAN) IS FALSE IS NULL;

Result:

No rows returned.

SQL:

ALTER SESSION SET EXECUTOR_DEVICE='GPU';
SELECT ALL t0.c0 FROM t0 WHERE CAST(t0.c0+t0.c0 AS BOOLEAN) IS FALSE IS NULL;

Result:

ERR_OVERFLOW_OR_UNDERFLOW: Overflow or underflow

Environment:

Docker Deployment

https://hub.docker.com/layers/heavyai/heavyai-ee-cuda/latest/images/sha256-5af3ad3a00cbc5ce09c299b8b81cda96521a27373dbb1e59209c02358cfd9b1f?context=explore

Docker DIGEST: sha256:5af3ad3a00cbc5ce09c299b8b81cda96521a27373dbb1e59209c02358cfd9b1f

HeavyDB Version: 7.1.0-20230821-eae9ec17da

HeavyDB license: Free Edition

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