From: | Richard Broersma <richard(dot)broersma(at)gmail(dot)com> |
---|---|
To: | Ben Kim <bkim(at)tamu(dot)edu> |
Cc: | pgsql-admin(at)postgresql(dot)org |
Subject: | Re: compare two rows |
Date: | 2010-10-12 21:12:36 |
Message-ID: | AANLkTinpScsTqJwiM_=3=PN+jjdvHrR8RTdWToA_iP7P@mail.gmail.com |
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Lists: | pgsql-admin |
On Tue, Oct 12, 2010 at 1:17 PM, Ben Kim <bkim(at)tamu(dot)edu> wrote:
> Admins,
>
> What is the best way to compare two rows from within psql cli client?
>
> It has ~30 fields, and the two rows are duplicate data but there might
> be differences.
>
> id field1 field2 field3 ...
> ===========================
> id1 value1 value2 value3 ...
> id2 value1 value2 value3 ...
>
> I could write a generic script to iterate through the list of fields and
> compare each field values, or concatenate the fields to a string, but wondered what is out there.
>
> Also, is there a way around to use select row(...) = row(...)?
Does: (T1.value1,T1.value2, T1.value3, ... ) IS NOT DISTINCT FROM
(T2.value1,T2.value2, T2.value3,...)
or: Row( T1.* ) IS NOT DISTINCT FROM ( T2.* )
work for you?
--
Regards,
Richard Broersma Jr.
Visit the Los Angeles PostgreSQL Users Group (LAPUG)
http://pugs.postgresql.org/lapug
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