Re: [HACKERS] "SELECT *" vs hidden columns and logical column order - Mailing list pgsql-hackers

From Peter Eisentraut
Subject Re: [HACKERS] "SELECT *" vs hidden columns and logical column order
Date
Msg-id 3e8dfc3f-c350-5ee7-9d0d-e345ce7f88ba@2ndquadrant.com
Whole thread Raw
In response to [HACKERS] "SELECT *" vs hidden columns and logical column order  (Thomas Munro <thomas.munro@enterprisedb.com>)
Responses Re: [HACKERS] "SELECT *" vs hidden columns and logical column order
List pgsql-hackers
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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