hum... should we create a bug at mysql?
2013/8/2 Peter Laursen <peter_laursen@webyog.com>:
--> IMO, it is a plain bug in MySQL 5.5+ then. At least a documentation bug, but
> I believe more than that.
>
> -- Peter
>
>
> On Thu, Aug 1, 2013 at 10:35 PM, Roberto Spadim <roberto@spadim.com.br>
> wrote:
>>
>> from mysql 5.1, 5.5, 5.6, 5.7 manual
>>
>> http://dev.mysql.com/doc/refman/5.1/en/mathematical-functions.html#function_cot
>>
>> http://dev.mysql.com/doc/refman/5.5/en/mathematical-functions.html#function_cot
>>
>> http://dev.mysql.com/doc/refman/5.6/en/mathematical-functions.html#function_cot
>>
>> http://dev.mysql.com/doc/refman/5.7/en/mathematical-functions.html#function_cot
>>
>> COT(X)
>>
>> Returns the cotangent of X.
>>
>> mysql> SELECT COT(12);
>> -> -1.5726734063977
>> mysql> SELECT COT(0);
>> -> NULL
>>
>>
>> maybe a sql_mode parameter change the output of this function?
>>
>
Roberto Spadim
SPAEmpresarial