Search Postgresql Archives

Re: select array_length(array_remove(ARRAY[NULL,NULL,NULL],NULL), 1); returns NULL instead of 0

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Subject: Re: select array_length(array_remove(ARRAY[NULL,NULL,NULL],NULL), 1); returns NULL instead of 0
From: Tom Lane <tgl@xxxxxxxxxxxxx>
Date: Mon, 08 Aug 2016 14:31:18 -0400
Cc: pgsql-general <pgsql-general@xxxxxxxxxxxxxx>
Comments: In-reply-to Alexander Farber <alexander.farber@xxxxxxxxx> message dated "Mon, 08 Aug 2016 20:24:25 +0200"
In-reply-to: <CAADeyWgFxfeegvADs4=jR4Rm=VG00=4J2WL37H12mUc4E_DyuQ@mail.gmail.com>
References: <CAADeyWgn0o_pNMjtzKFKXsEMY5Z5Oy8=M_OauTb1cKF-GRf2bg@mail.gmail.com> <10728.1470680398@sss.pgh.pa.us> <CAADeyWgFxfeegvADs4=jR4Rm=VG00=4J2WL37H12mUc4E_DyuQ@mail.gmail.com>

Alexander Farber <alexander.farber@xxxxxxxxx> writes:
> Thank you, so should I maybe switch to cardinality then?

Yeah, that should work.

			regards, tom lane


-- 
Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-general

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

References:
- select array_length(array_remove(ARRAY[NULL,NULL,NULL],NULL), 1); returns NULL instead of 0
  - From: Alexander Farber
- Re: select array_length(array_remove(ARRAY[NULL,NULL,NULL],NULL), 1); returns NULL instead of 0
  - From: Tom Lane
- Re: select array_length(array_remove(ARRAY[NULL,NULL,NULL],NULL), 1); returns NULL instead of 0
  - From: Alexander Farber

Prev by Date: Re: select array_length(array_remove(ARRAY[NULL,NULL,NULL],NULL), 1); returns NULL instead of 0
Next by Date: Re: Column order in multi column primary key
Previous by thread: Re: select array_length(array_remove(ARRAY[NULL,NULL,NULL],NULL), 1); returns NULL instead of 0
Next by thread: Re: select array_remove(ARRAY[NULL,NULL,NULL],NULL); returns {} instead of {NULL,NULL,NULL}
Index(es):
- Date
- Thread

[Index of Archives] [Postgresql Jobs] [Postgresql Admin] [Postgresql Performance] [Linux Clusters] [PHP Home] [PHP on Windows] [Kernel Newbies] [PHP Classes] [PHP Books] [PHP Databases] [Postgresql & PHP] [Yosemite]