On 9/8/2016 8:40 AM, lucian.ciufudean@gmail.com wrote:
> If one creates a table with the same name as one of the pg_catalog tables
>
> 1. CREATE TABLE pg_tables (
> name varchar(80),
> location point
> );
>
> then \dt will not show it:
>
> List of relations
> Schema | Name | Type | Owner
> --------+--------+-------+----------
> public | cities | table | postgres
> (1 row)
>
> while this query will:
>
> select * from pg_tables;
>
> Expectations: \dt shows all tables in the public schema.
>
> Note that it is also unexpected that this query:
>
> select * from pg_tables;
>
> goes to pg_catalog.pg_tables instead of public.pg_tables.
this is because pg_catalog is implicitly in the search path in front of
any explicit search path you specify, including the default of
`$user,public` ...
suggestion: don't use names like pg_XXXXX for anything.
--
john r pierce, recycling bits in santa cruz
