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help / color / mirror / Atom feedFrom: Vinayak Pokale <vinpokale@gmail.com>
To: pgsql-sql@postgresql.org
Subject: Re: PGsql function timestamp issue
Date: Fri, 25 Jul 2014 01:59:12 -0700 (PDT)
Message-ID: <1406278752273-5812825.post@n5.nabble.com> (raw)
In-Reply-To: <CAAQKod115J-w7hiJ+rG8kn2FVqW51+ZVJsVpELNcU1Q4cw69dQ@mail.gmail.com>
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Hello,
The current_timestamp return the constant value in a transaction. So use
clock_timestamp().
Example:
create or replace function fx_nish()
returns text
language plpgsql
as
$$
declare
x timestamp with time zone;
y timestamp with time zone;
begin
x:= clock_timestamp();
perform pg_sleep(5);
y:= clock_timestamp();
if x=y then
return 'SAME';
else
return 'DIFFERENT';
end if;
end;
$$
;
postgres=# select fx_nish();
fx_nish
-----------
DIFFERENT
(1 row)
-----
Thanks and Regards,
Vinayak Pokale,
NTT DATA OSS Center Pune, India
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To: pgsql-sql@postgresql.org
Cc: vinpokale@gmail.com
Subject: Re: PGsql function timestamp issue
In-Reply-To: <1406278752273-5812825.post@n5.nabble.com>
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