Re: pl-pgsql question - Mailing list pgsql-general

From Dennis Gearon
Subject Re: pl-pgsql question
Date
Msg-id 3EA84B28.8060307@cvc.net
Whole thread Raw
In response to Re: pl-pgsql question  (Darren Ferguson <darren@crystalballinc.com>)
Responses Re: pl-pgsql question  (Darren Ferguson <darren@crystalballinc.com>)
List pgsql-general
What's the scope of that statement, just the last statement within the same session, all statements within that
session,what? 

Darren Ferguson wrote:
> rows INTEGER;
>
> UPDATE foo SET bar = ''test'';
> GET DIAGNOSTICS rows := ROW_COUNT;
>
> This will return the number of rows actually updated by the system
>
> HTH
> Darren
> Vilson farias wrote:
>
>> Greetings,
>>
>>  I'm writing some stored procedures using pl-pgsql and I need to know how
>> many tuples were affected by a update/delete/insert command.
>>
>>  Let's suppose my script is like this :
>>
>> CREATE FUNCTION gerachave(INT4) RETURNS INT4 AS'
>> DECLARE
>>  CAD       ALIAS FOR $1;
>> BEGIN
>>  novovalor := 0;
>>
>>  UPDATE table1 SET is_ok = 1 WHERE cod_cad = CAD;
>>
>>  INSERT INTO cnfg_gerachave VALUES (<quantity of tuples affected by
>> UPDATE>);
>>
>>  RETURN CAD;
>> END;
>> '
>> LANGUAGE 'plpgsql';
>>
>>
>> Is it possible to discovery how many tuples were affected? How can I
>> do it?
>>
>> Thanks in advance.
>>
>>
>>
>> ----------------------------------------------------------------------------
>>
>> ----
>> José Vilson de Mello de Farias
>> Software Engineer
>>
>> Dígitro Tecnologia Ltda - www.digitro.com.br
>> APC - Customer Oriented Applications
>> E-mail: vilson.farias@digitro.com.br
>> Tel.: +55 48 281 7158
>> ICQ 11866179
>>
>>
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