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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