Re: Arrays in PL/PGSQL

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От Jan Wieck
Тема Re: Arrays in PL/PGSQL
Дата
Msg-id 200010231521.KAA01518@jupiter.jw.home
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Ответ на Arrays in PL/PGSQL  (oberpwd@anubis.network.com (Wade D. Oberpriller))
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Wade D. Oberpriller wrote:
> Hello,
>
> Does PL/PGSQL support arrays? Or is their a mechanism to select a set of
> records from a table and iterate over all of them.
>
> For example:
>
> DECLARE recs AS RECORDS; //??
> BEGIN
> SELECT INTO recs * FROM mytable WHERE myfield = 'myvalue';
> for i in 1 .. NumRecs loop
>    ...
> end loop;
>
> Is there a way to do something like this??

    Do it with one record as:

        DECLARE rec record;
        BEGIN
        FOR rec IN SELECT * FROM mytable WHERE myfield = 'myvalue' LOOP
            ...
        END LOOP;

    And BTW, this syntax is documented in the user manual :-)


Jan

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