Svein Erling Tysvær skriver:

>
> You could try something like (not tested):
>
> EXECUTE BLOCK AS
> DECLARE VARIABLE MyDbKey char(8);
> BEGIN
> for select LrgTbl.rdb$db_key
> from "LargeTable" LrgTbl
> inner join "Uppgiftshållare" UH on UH."ECO_ID" = LrgTbl."Hållare"
> inner join "Uppgiftshanterare" Uhant on Uhant."ECO_ID" = UH."Hanterare"
> where LrgTbl."ÄrNull" = 0
> and UH."Propertynamn" in ('This', 'That', 'Other', 'Extra')
> and Uhant."ColX" = 'Whatever' into :MyDbKey do
> begin
> update LargeTable
> set <whatever>
> where rdb$db_key = :MyDbKey;
> end
> END
>
> Using RDB$DB_KEY is probably quicker than using the primary key
> (ECO_ID), though I use it very rarely, so don't be surprised if
> there's some error above.
>

OK, nice. I'll give it a shot on the next update.

Kjell

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Kjell Rilbe
DataDIA AB
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