CREATE_OR_DROP_DIM_MAILPREFERENCE_INDICES

create procedure [BBDW].[CREATE_OR_DROP_DIM_MAILPREFERENCE_INDICES]
  @CREATE_OR_DROP bit --1 to create, 0 to drop.
  as
  set nocount on;

  if @CREATE_OR_DROP is null
  raiserror('@CREATE_OR_DROP must be 1 or 0 in [BBDW].[CREATE_OR_DROP_DIM_MAILPREFERENCE_INDICES]',16,10);

  if @CREATE_OR_DROP =1
  begin
  --create

    if  [BBDW].[UFN_INDEXEXISTS]('IX_DIM_MAILPREFERENCE_PREFERENCES') = 0
      create nonclustered index [IX_DIM_MAILPREFERENCE_PREFERENCES] on [BBDW].[DIM_MAILPREFERENCE] ([MAILTYPECODE] ,[APPEALCATEGORYSYSTEMID] ,[CORRESPONDENCECODESYSTEMID] ,[RECEIPTTYPECODE] ,[DELIVERYMETHODCODE] ,[EVENTCATEGORYCODESYSTEMID]) with (DATA_COMPRESSION = PAGE) on [BBRPT_DIMIDXGROUP];

  end
  else
  begin
  --drop

    if  [BBDW].[UFN_INDEXEXISTS]('IX_DIM_MAILPREFERENCE_PREFERENCES') = 1
     drop index [IX_DIM_MAILPREFERENCE_PREFERENCES] on [BBDW].[DIM_MAILPREFERENCE]; 

  end