If implemented correctly, performance hit could be minimum.

Do what query 
if(records in selection([WhateverTable]>0)
if(<>TeamAccessRequired)\\some customers do not need this feature
Query selection with array([WhateverTable]Team;<>CurTeam)
end if
end if

<>CurTeam is loaded from team member table at startup method.

Query selection with array is NOT preemptive in 4D 13/15 that might have 
performance hit on server. Based on v16 doc, this command would be preemptive 
and hopefully it does not have hidden limitation.

Alan Chan

4D iNug Technical <4d_tech@lists.4d.com> writes:
>That sounds like real DOD level stuff. Fortunately I don't need that level
>but it gives me some ideas.
>
>What kind of performance hit did you see as a result of all that extra
>processing?

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