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List:       pgsql-hackers
Subject:    Re: [HACKERS] "SELECT *" vs hidden columns and logical column order
From:       Peter Eisentraut <peter.eisentraut () 2ndquadrant ! com>
Date:       2017-06-30 18:09:53
Message-ID: 3e8dfc3f-c350-5ee7-9d0d-e345ce7f88ba () 2ndquadrant ! com
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On 6/28/17 23:52, Thomas Munro wrote:
> 2.  SQL:2011 temporal tables track system time and/or valid time with
> columns that users create and then declare to be temporal control
> columns.  I don't think they show up unless you name them directly (I
> didn't check the standard but I noticed that it's that way in another
> product), so I guess that's basically the same as (1).

In my reading of the standard, those start/end time columns would show
up normally in SELECT *.

-- 
Peter Eisentraut              http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services


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