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Bug#57818 string conversion function died

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Bug#57913 large negative number to string conversion functions crash
String object which is used as result container of the item
has uninitialized 'str_charset' field. This object
might be used later to preform some internal operations
and str_charset field is involved in these operations.
It leads to crash.
The fix is to intialize str_charset in my_decimal2string() func.
This commit is contained in:
Sergey Glukhov
2010-12-14 19:08:25 +03:00
parent 6e3314b078
commit 622ae4184c
3 changed files with 20 additions and 0 deletions
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12
mysql-test/r/func_str.result
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@ -2600,4 +2600,16 @@ ORDER BY QUOTE(t1.a);
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DROP TABLE t1;
#
# Bug#57913 large negative number to string conversion functions crash
# Bug#57810 case/when/then : Assertion failed: length || !scale
#
SELECT '1' IN ('1', SUBSTRING(-9223372036854775809, 1));
'1' IN ('1', SUBSTRING(-9223372036854775809, 1))
1
SELECT CONVERT(('' IN (REVERSE(CAST(('') AS DECIMAL)), '')), CHAR(3));
CONVERT(('' IN (REVERSE(CAST(('') AS DECIMAL)), '')), CHAR(3))
1
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: ''
End of 5.1 tests