diff options
Diffstat (limited to 'sql')
| -rw-r--r-- | sql/field.cc | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sql/field.cc b/sql/field.cc index 9e57e27394e..10ef5e0cf16 100644 --- a/sql/field.cc +++ b/sql/field.cc @@ -6305,8 +6305,11 @@ int Field_str::store(double nr) */ if (exp >= (int) digits || exp < -4) digits= max(0, (int) (max_length - 5 - (exp >= 100 || exp <= -100))); + + /* Limit precision to DBL_DIG to avoid garbage past significant digits */ + set_if_smaller(digits, DBL_DIG); - length= (uint) my_sprintf(buff, (buff, "%-.*g", min(digits, DBL_DIG ), nr)); + length= (uint) my_sprintf(buff, (buff, "%-.*g", digits, nr)); #ifdef __WIN__ /* |