Few Queries
| От | Sugandha Shah |
|---|---|
| Тема | Few Queries |
| Дата | |
| Msg-id | 01b301c24352$12570fb0$2005a8c0@cybage.com обсуждение исходный текст |
| Ответы |
Re: Few Queries
Re: Few Queries |
| Список | pgsql-sql |
Hi ,
I'm still facing few problems and hence the query . I have searched the archives as well as read the manual.
1. I 'm firing a query and it returns the value in variable which I need to pass to other query . Is this a right way to pass the value ? I'm newbie to this Database and hence facing lot of syntax problems.
CREATE FUNCTION del_old_history() RETURNS bool AS '
declare
var_history_age_limit int4;
set_time datetime;
BEGIN
select into var_history_age_limit history_age_limit from database_info;
IF (var_history_age_limit is not null) THEN
set_time := select current_date()+ INTERVAL ' ' $var_history_age_limit day' ';
declare
var_history_age_limit int4;
set_time datetime;
BEGIN
select into var_history_age_limit history_age_limit from database_info;
IF (var_history_age_limit is not null) THEN
set_time := select current_date()+ INTERVAL ' ' $var_history_age_limit day' ';
--begin transaction
delete from history where complete_time <= set_time;
END IF;
delete from history where complete_time <= set_time;
END IF;
return true;
END;'
LANGUAGE 'plpgsql';
LANGUAGE 'plpgsql';
I get this error :
Error: ERROR: parser: parse error at or near "select"
NOTICE: Error occurred while executing PL/pgSQL function del_old_history
NOTICE: line 8 at assignment
2. Is there any equiavlent of MS -SQLServer 'trancount ' in postgres ?
3. if object_id ('database_info') is null
how is above statement verified in postgres . I tried looking for OID .
Any help will be highly appreciated.
Regards,
-Sugandha
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