template.sql

/*	
 *	Customer-facing SQL script template
 *	
 *	NOTE:  This script defaults to rolling back changes.
 *		To commit changes, set @saveChanges = 1.
 */
declare @saveChanges bit; --set @saveChanges = 1
declare @supportedVersions varchar(1000); select @supportedVersions='10.2.*, 10.3.*, 11.*'

-- Ensure the correct database version
BEGIN
	declare @sep char(2); select @sep=', '
	if not exists(select *
		from dbo.SystemConfig
		join (
		select SUBSTRING(@supportedVersions, C.Value+1, CHARINDEX(@sep, @supportedVersions+@sep, C.Value+1)-C.Value-1) as Value
		from dbo.Counter C
		where C.Value < DataLength(@supportedVersions) and SUBSTRING(@sep+@supportedVersions, C.Value+1, DataLength(@sep)) = @sep
		) Version on SystemConfig.Value like REPLACE(Version.Value, '*', '%') and SystemConfig.Name = 'Version'
	) begin
			raiserror('Only supported on version(s) %s',16,1, @supportedVersions)
			goto DONE
	end
END

declare @error int, @rowcount int
set nocount on; begin tran; save tran TX


/* 
	script code goes here 
*/

/* after every modifying statement, check for errors; optionally, emit status */
select @rowcount=@@ROWCOUNT, @error=@@ERROR
if @error<>0 goto ERR
raiserror('%d foobars blah-blahed', 0, 1, @rowcount) with nowait


if (@saveChanges = 1) begin raiserror('Committing changes', 0, 254); goto OK end
raiserror('To commit changes, set @saveChanges=1',16,254)
ERR: raiserror('Rolling back changes', 0, 255); rollback tran TX
OK: commit
DONE: