pg.ddx.io  pgsql-sql@postgresql.org mailing list archive  
help / color / mirror / Atom feed
From: Jonathan S. Katz <jonathan.katz@excoventures.com>
To: ng <pipelines@gmail.com>
Cc: pgsql-sql@postgresql.org
Subject: Re: PGsql function timestamp issue
Date: Thu, 29 May 2014 16:52:32 -0400
Message-ID: <A7B82A97-96B4-4ED2-8F2E-FDED9C6F19EC@excoventures.com> (raw)
In-Reply-To: <CAAQKod115J-w7hiJ+rG8kn2FVqW51+ZVJsVpELNcU1Q4cw69dQ@mail.gmail.com>
References: <CAAQKod115J-w7hiJ+rG8kn2FVqW51+ZVJsVpELNcU1Q4cw69dQ@mail.gmail.com>
List-Unsubscribe: <mailto:majordomo@postgresql.org?body=unsub%20pgsql-sql>

On May 29, 2014, at 4:46 PM, ng <pipelines@gmail.com> wrote:

> create or replace function dw.fx_nish() 
> returns text
>   language plpgsql
>   as
> $$
> declare
> x timestamp with time zone;
> y timestamp with time zone;
> begin
> x:= current_timestamp;
> perform pg_sleep(5); 
> y:= current_timestamp;
> if x=y then 
> return 'SAME';
> else
> return 'DIFFERENT';
> end if;
> 
> end;
> $$
> 
> 
> select dw.fx_nish()
> This give me 'SAME'
> 
> Any work around for this?

Check out the Current Date/Time section:

http://www.postgresql.org/docs/current/static/functions-datetime.html#FUNCTIONS-DATETIME-CURRENT

You probably want "clock_timestamp()" depending on what you are trying to accomplish.

Jonathan=

view thread (5+ messages)  latest in thread

Message-ID: <A7B82A97-96B4-4ED2-8F2E-FDED9C6F19EC@excoventures.com>
Permalink:  ../A7B82A97-96B4-4ED2-8F2E-FDED9C6F19EC@excoventures.com/
Also on:    postgresql.org/message-id/A7B82A97-96B4-4ED2-8F2E-FDED9C6F19EC@excoventures.com

reply

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Reply to all the recipients using the --to and --cc options:
  reply via email

  To: pgsql-sql@postgresql.org
  Cc: jonathan.katz@excoventures.com, pipelines@gmail.com
  Subject: Re: PGsql function timestamp issue
  In-Reply-To: <A7B82A97-96B4-4ED2-8F2E-FDED9C6F19EC@excoventures.com>

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox