UFN_CHECKPAYOUTDETAIL_DISTRIBUTIONCHANGED

create function dbo.UFN_CHECKPAYOUTDETAIL_DISTRIBUTIONCHANGED(@REVENUEID as uniqueidentifier, @DISTRIBUTION as xml) 
            returns bit
            with execute as caller
            as
            begin
                declare @DISTRIBUTIONTABLE table
                (
                    ID uniqueidentifier,
                    AMOUNT money,
                    TRANSACTIONTYPECODE tinyint,
                    ACCOUNT nvarchar(100),
                    PROJECT nvarchar(100)
                );

                declare @NEWDISTRIBUTIONTABLE table
                (
                    ID uniqueidentifier,
                    AMOUNT money,
                    TRANSACTIONTYPECODE tinyint,
                    ACCOUNT nvarchar(100),
                    PROJECT nvarchar(100)
                );

                declare @DISTCOUNT int
                declare @CHANGED as bit
                set @CHANGED = 0;

                if @CHANGED = 0
                begin
                    insert into @NEWDISTRIBUTIONTABLE(ID, AMOUNT, TRANSACTIONTYPECODE, ACCOUNT, PROJECT) 
                        select ID, AMOUNT, TRANSACTIONTYPECODE, ACCOUNT, PROJECT from dbo.UFN_PLANNEDGIFTPAYOUT_GETGLDISTRIBUTION_FROMITEMLISTXML(@DISTRIBUTION);

                    insert into @DISTRIBUTIONTABLE(ID, AMOUNT, TRANSACTIONTYPECODE, ACCOUNT, PROJECT)
                        select ID, AMOUNT, TRANSACTIONTYPECODE, ACCOUNT, PROJECT from dbo.PLANNEDGIFTPAYOUTGLDISTRIBUTION where REVENUEID = @REVENUEID;

                    select @DISTCOUNT = count(ID) from @DISTRIBUTIONTABLE;

                    if @DISTCOUNT <> (select count(ID) from @NEWDISTRIBUTIONTABLE) 
                        set @CHANGED = 1;

                    if @CHANGED = 0
                    begin
                        select @DISTCOUNT = count([NEW].ID)
                        from @NEWDISTRIBUTIONTABLE as [NEW] 
                        inner join @DISTRIBUTIONTABLE as [OLD] 
                            on [NEW].AMOUNT = [OLD].AMOUNT 
                                and ([NEW].TRANSACTIONTYPECODE = [OLD].TRANSACTIONTYPECODE or ([NEW].TRANSACTIONTYPECODE is null and [OLD].TRANSACTIONTYPECODE is null)) 
                                and ([NEW].ACCOUNT = [OLD].ACCOUNT or ([NEW].ACCOUNT is null and [OLD].ACCOUNT is null))
                                and ([NEW].PROJECT = [OLD].PROJECT or ([NEW].PROJECT is null and [OLD].PROJECT is null));

                        if @DISTCOUNT <> (select count(ID) from @NEWDISTRIBUTIONTABLE)
                            set @CHANGED = 1;
                    end

                end

                return @CHANGED
            end