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MDEV-5781 Item_sum_std::val_real(): Assertion `nr >= 0.0' fails on query with STDDEV_POP, ROUND and variable

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Alexander Barkov 2014-03-23 19:43:01 +04:00
commit ce3c457e6d
3 changed files with 36 additions and 0 deletions
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3
sql/item_func.cc
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@ -2666,6 +2666,9 @@ double my_double_round(double value, longlong dec, bool dec_unsigned,
volatile double value_div_tmp= value / tmp;
volatile double value_mul_tmp= value * tmp;
if (!dec_negative && my_isinf(tmp)) // "dec" is too large positive number
return value;
if (dec_negative && my_isinf(tmp))
tmp2= 0.0;
else if (!dec_negative && my_isinf(value_mul_tmp))