SQL Server create function procedure

• Parameters

  • Fit into one line if possible

    • At the same line as CREATE keyword

      CREATE FUNCTION dbo.Fn_gettoporders(@custid AS INT,@n AS INT, @test AS CHAR)  
      RETURNS TABLE  
      AS  
        RETURN  
          SELECT TOP(@n) *  
          FROM   sales.salesorderheader  
          WHERE  customerid = @custid  
          ORDER  BY totaldue DESC  
      
      GO        

    • In new line

      CREATE FUNCTION dbo.Fn_gettoporders(
        @custid AS INT,@n AS INT, @test AS CHAR)  
      RETURNS TABLE  
      AS  
        RETURN  
          SELECT TOP(@n) *  
          FROM   sales.salesorderheader  
          WHERE  customerid = @custid  
          ORDER  BY totaldue DESC  
      
      GO        

  • Stacked parameters

    • First parameter at the same line as left paranthesis

      • Comma at the end of line

      CREATE FUNCTION dbo.Fn_gettoporders(@custid AS INT,
                                          @n AS INT, 
                                          @test AS CHAR)  
      RETURNS TABLE  
      AS  
        RETURN  
          SELECT TOP(@n) *  
          FROM   sales.salesorderheader  
          WHERE  customerid = @custid  
          ORDER  BY totaldue DESC  
      
      GO        

      • Comma at the begin of line

      CREATE FUNCTION dbo.Fn_gettoporders(@custid AS INT
                                          ,@n AS INT 
                                          ,@test AS CHAR)  
      RETURNS TABLE  
      AS  
        RETURN  
          SELECT TOP(@n) *  
          FROM   sales.salesorderheader  
          WHERE  customerid = @custid  
          ORDER  BY totaldue DESC  
      
      GO        

      • Comma at the begin of line, align parameters.

      CREATE FUNCTION dbo.Fn_gettoporders(@custid AS INT
                                         ,@n AS INT 
                                         ,@test AS CHAR)  
      RETURNS TABLE  
      AS  
        RETURN  
          SELECT TOP(@n) *  
          FROM   sales.salesorderheader  
          WHERE  customerid = @custid  
          ORDER  BY totaldue DESC  
      
      GO        

      • Comma at the begin of line, align parameters, space between comma and space is 1 or n

      CREATE FUNCTION dbo.Fn_gettoporders( @custid AS INT
                                         , @n AS INT 
                                         , @test AS CHAR)  
      RETURNS TABLE  
      AS  
        RETURN  
          SELECT TOP(@n) *  
          FROM   sales.salesorderheader  
          WHERE  customerid = @custid  
          ORDER  BY totaldue DESC  
      
      GO        

    • First parameter at new line