Get the name of a row's source table when querying the parent it inherits from

Question

I have a Postgres database with several tables that inherit from one other. I can SELECT from the parent table to get results from all it\'s children, but need

Answer 1

This is answered in the PostgreSQL documentation, in the section on inheritance. One can use the hidden tableoid column of the table along with relname from pg_class to add a column containing the table names to the result, as shown:

SELECT t.*, p.relname FROM table t, pg_class p WHERE t.tableoid = p.oid;