Re: Automate copy - Postgres 9.2

2016-06-09 13:58 GMT+12:00 John R Pierce <pierce(at)hogranch(dot)com>:

> On 6/8/2016 6:47 PM, Patrick B wrote:
>
>>
>> 21 is the number of IDS that I wanna perform that COPY command....
>>
>
> that didn't answer my question. if you call your function like SELECT
> myfunction(21); as you showed, where are those 21 ID's coming from?
>

I don't know what u need, mate:

CREATE or REPLACE FUNCTION function(integer)

RETURNS void AS $$

declare

crtRow record;

begin

FOR crtRow in EXECUTE 'select DISTINCT(account_id) from backup_table
WHERE migrated = 1 AND account_id IN '|| $1

LOOP

COPY

(SELECT * FROM backup_table WHERE migrated = 1 AND account_id =
crtRow.account_id)

TO '/var/lib/pgsql/' || crtrow.account_id || '.csv';

end loop;

end

$$ language 'plpgsql';

Isn't this what u wanna know?
select DISTINCT(account_id) from backup_table WHERE migrated = 1