====
---- QUERY
# Regression test for IMPALA-901.
# The second value is carefully chosen to be equal to (int8_t)HashUtil::FNV_SEED, which
# causes the hash collision that caused the bug.
INSERT INTO imp_901 VALUES(-59), (NULL);
SELECT col FROM imp_901 GROUP BY 1;
---- TYPES
tinyint
---- RESULTS
NULL
-59
====