Re: compare two rows

On Tue, Oct 12, 2010 at 1:17 PM, Ben Kim <bkim@tamu.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