SQL removed numbers of more than 0

/ * 
    Get rid of more than 0 
* / 
the CREATE  the FUNCTION  [ the dbo ] . [ Fn_ClearZero ] 
( 
    @inValue  VARCHAR ( 50 ) 
) 
the RETURNS  VARCHAR ( 50 )
 the AS 
the BEGIN 
    the DECLARE  @returnValue  VARCHAR ( 20 is );
     the IF ( @inValue  =  '' )
         the SET  @returnValue  =  '' ; - when empty to empty 
    the ELSE  the IF ( the CHARINDEX ('.', @inValue) = '0')
        SET @returnValue = @inValue; --针对不含小数点的
    ELSE IF (SUBSTRING(REVERSE(@inValue), PATINDEX('%[^0]%', REVERSE(@inValue)), 1) = '.')
        SET @returnValue = LEFT(@inValue, LEN ( @inValue ) -  the PATINDEX ( ' % [^ 0]% ' , REVERSE ( @inValue ))); - for all decimal 0 to 
    the ELSE 
        the SET  @returnValue  =  the LEFT ( @inValue , LEN ( @inValue ) -  the PATINDEX ( ' % [^ 0]%%. ' , REVERSE ( @inValue )) +  . 1 ); - in any other case 
    the RETURN  @returnValue ;
 the END ; 


the GO

 

Excerpt from someone else's blog, a little long time could not find the original blog address -_- || ....