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Bug#12392636 ASSERTION FAILED: SCALE >= 0 && PRECISION > 0 && SCALE <= PRECISION

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Assertion happens due to missing NULL value check in
Item_func_round::fix_length_and_dec() function.
The fix: added NULL value check for second parameter.


mysql-test/r/func_math.result:
  test case
mysql-test/t/func_math.test:
  test case
sql/item_func.cc:
  added NULL value check for second parameter.
This commit is contained in:
Sergey Glukhov
2011-05-26 14:06:39 +04:00
parent cce8a65843
commit 3efbf30457
3 changed files with 15 additions and 0 deletions
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6
mysql-test/r/func_math.result
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@ -540,4 +540,10 @@ ROUND(LEAST(15, -4939092, 0.2704), STDDEV('a'))
-4939092.0000
Warnings:
Warning 1292 Truncated incorrect DOUBLE value: 'a'
#
# Bug#12392636 ASSERTION FAILED: SCALE >= 0 && PRECISION > 0 && SCALE <= PRECISION
#
SELECT SUM(DISTINCT (TRUNCATE((.1), NULL)));
SUM(DISTINCT (TRUNCATE((.1), NULL)))
NULL
End of 5.1 tests