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MDEV-10467 Assertion `nr >= 0.0' failed in Item_sum_std::val_real()

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Backporting MDEV-5781 from 10.0.
This commit is contained in:
Alexander Barkov
2016-08-03 15:55:48 +04:00
parent 35c9c85634
commit ecb7ce7844
3 changed files with 27 additions and 0 deletions
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12
mysql-test/r/func_math.result
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@ -761,3 +761,15 @@ select 5 div 2.0;
select 5.9 div 2, 1.23456789e3 DIV 2, 1.23456789e9 DIV 2, 1.23456789e19 DIV 2;
5.9 div 2 1.23456789e3 DIV 2 1.23456789e9 DIV 2 1.23456789e19 DIV 2
2 617 617283945 6172839450000000000
#
# MDEV-10467 Assertion `nr >= 0.0' failed in Item_sum_std::val_real()
#
CREATE TABLE t1 (i INT);
INSERT INTO t1 VALUES (1),(2);
SELECT STDDEV_SAMP(ROUND('0', 309)) FROM t1;
STDDEV_SAMP(ROUND('0', 309))
0
DROP TABLE t1;
#
# End of 5.5 tests
#