Re: getting inherited table name - Mailing list pgsql-general

From Nico
Subject Re: getting inherited table name
Date
Msg-id 9n83hg$2mes$1@news.tht.net
Whole thread Raw
In response to getting inherited table name  (Eric Kolve <ekolve@corp.classmates.com>)
List pgsql-general
Eric Kolve wrote:

> In the pgsql tutorial two tables are created capitals inherits  cities.
>
> When you do SELECT * FROM cities, you get both capitals and cities.  Is
> there anyway to get get the name of the table so I could possibly know
> the 'type' it was? Or should this be maintained as a separate column
> 'city_type' that has a value of 'capital'?
>
> Suppose I had another table river_cities and what I would want to be
> able to is SELECT * FROM cities and know whether the city was a
> river_city, capital, or nothing at all.


No additional fields are required:

SELECT  c.*, c.tableoid, pgc.relname as city_type
FROM cities c, pg_class pgc
WHERE c.tableoid = pgc.oid


regards
 Nico




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