On 09/04/2014 04:42 PM, A L. wrote:
Hi, All
I like to pass the tablename to function but not using execute clause,
here is my script
CREATE OR REPLACE FUNCTION functions.pgsql_event_unpack_batch(IN _tbl
text, IN jobid bigint, IN jobtime timestamp with time zone, IN startid
bigint, IN stopid bigint)
RETURNS TABLE(events bigint, errors bigint[]) AS
$BODY$
BEGIN
RETURN QUERY
WITH
unpacking (raw_id, time, userid, eventtype, pagename, userhost,
application, status, error)
AS (
select
id as raw_id,
(up).time,
(up).userid,
coalesce((up).eventtype, ''),
coalesce((up).pagename, ''),
(up).userhostaddress as userhost,
coalesce((up).application, ''),
(up).status,
(up).error
from(
select id,
functions.python_events_unpack(event_object) up
from _tbl
where id between startid and stopid
) a
where (up).userid is not NULL
)
I want to pass the _tbl to the select query integrated in the
unpacking(), how can I make it?
Assuming you are using plpgsql, see here:
http://www.postgresql.org/docs/9.3/interactive/plpgsql-statements.html#PLPGSQL-STATEMENTS-EXECUTING-DYN
or use a language like plpythonu.
thanks
Alec
--
Adrian Klaver
adrian.klaver@xxxxxxxxxxx
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