Re: [GENERAL] Get date timestamp(3) without time zone column - PGSQL 9.5

2016-09-04 Thread amulsul
Try using double colon opperator instead of cast().  
E. g.  task_start::date

Regards, 
Amul

Sent from a mobile device. Please excuse brevity and tpyos. 
 
  On Mon, 5 Sep, 2016 at 8:29 am, Patrick Baker [via 
PostgreSQL] wrote:   Hi guys,
I got the tasks table that has the tasks_start column:
tasks_start        | timestamp(3) without time zone 


select tasks_start from tasks LIMIT 1;
tasks_start           
--- 
2016-08-10 00:30:00 

 I'm trying to cast the date, using this query:
SELECT cast(tasks_start as date) FROM "jobs" WHERE "tasks"."deleted" = 'f' AND 
"tasks"."recurrence_id" = 1 AND (Date(tasks_start) in ('2016-08-10')

but it doesn't work.. I get 0 rows... what am I doing wrong?
cheersPatrick  
 
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Re: [GENERAL] Alternate or Optimization for with hold cursor

2016-05-12 Thread amulsul
Not sure what you trying to achieve, you could give a try for Materialized
Views[1], see would this help you or not.

1. http://www.postgresql.org/docs/9.3/static/rules-materializedviews.html
2. http://www.postgresql.org/docs/9.3/static/sql-creatematerializedview.html


Regards,
Amul Sul



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Re: [GENERAL] excute function before DROP EXTENSION

2014-02-17 Thread amulsul
Hi Beena,

How about using *TWO* extension?

1. ext_install 2. ext_uninstall

Let me explain,
1. ext_uninstall will contain two command, 
   A] SQL calling to cleanup function
   B] DROP EXTENSION ext_install
2. ext_install will have DROP EXTENSION IF EXISTS ext_install (cycle of
install/uninstall) other wise you may not able to create ext_install again &
other command.

it wont sound good, but AFAICS no other option.

Thoughts?  Comments? 

Regards,
Amul Sul 



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[GENERAL] Re: How to do incremental / differential backup every hour in Postgres 9.1?

2013-07-26 Thread amulsul
 
>5. should I use the --xlog parameter and if so do I need to change
wal_keep_segments from 0?

you have already use  --xlog   as -x in your above command of  pg_basebackup
.

yes it better to change wal_keep_segments, if you want start a postmaster
directly in the extracted directory without the need to consult the log
archive, thus making this a completely standalone backup. 


Regards,
Amul Sul



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