IF EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[foo_IdGetTemplateChannel]') AND type in (N'FN', N'IF', N'TF', N'FS', N'FT')) DROP FUNCTION [dbo].[foo_IdGetTemplateChannel] GO SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER ON GO IF NOT EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[foo_IdGetTemplateChannel]') AND type in (N'FN', N'IF', N'TF', N'FS', N'FT')) BEGIN execute dbo.sp_executesql @statement = N'CREATE FUNCTION [dbo].[foo_IdGetTemplateChannel] ( @TemplateId int ,@NameOfTheChannel varchar(50) ) RETURNS int AS BEGIN return isnull((select TemplateChannelId from dbo.TemplateChannels where NameOfTheChannel = @NameOfTheChannel and TemplateId = @TemplateId), 0) END ' END GO