Creating a stored procedure if it does not already exist

Question

I want to check if a list of stored procedures exist. I want this all to be done in 1 script, one by one. So far I have this format:

USE [myDatabase]
GO

IF NO         


        

Answer 1

IF NOT EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[spGetRailItems]') AND type in (N'P', N'PC'))
BEGIN 
execute ('
CREATE PROCEDURE [dbo].[spGetRailItems]  
AS  
BEGIN  

Declare @isLiftedBagsEnable bit=1;  
select @isLiftedBagsEnable=cast(DataValu as bit) from setups where scope =''Rail Setting'' and dataName = ''isLiftedBagsEnable'';

IF @isLiftedBagsEnable=1
BEGIN
    IF EXISTS (SELECT * FROM ITEMCONFIG)
    BEGIN
        SELECT [Item],[Desc] FROM ProcData WHERE Item IN (SELECT Item FROM ItemConfig) ORDER BY [Desc]
    END
    ELSE
    BEGIN
        SELECT [Item],[Desc] FROM ProcData ORDER BY [Desc]
    END
END
ELSE
BEGIN
    SELECT [Item],[Desc] FROM ProcData ORDER BY [Desc]
END

END

')
END

exec spGetRailItems;