>>>OK let's say parent-child connecting key (relation) is FKfield build with expression 'index on FKField tag FKField' and here you :
>>>set filter to ADCPStreet
>>>for extra filtering. Instead an index (created on the fly then deleted or once created persists) :
>>>index on FKField+transform(ADCPStreet) tag mySpecial
>>>or :
>>>index on FKField tag mySpecial for ADCPStreet
>>>would do the job.
>>>In first you would set your RelationalExpr to ParentPK+'T'.
>>>Cetin
>>
>>
>>Sorry, Cetin, I'm not sure, I understood. This application has only one table - WorkFile, all other tables are used to perform some operations (I don't have any relations). So, do you suggest a filtered index? Would it be the same, as set filter?
>
>No not the same, better:)
>Cetin

FWIW, i personally use SET KEY instead of set filter wherever i can, and it works great.