Re: BUG #18607: UNION ALL discards all foreign key relations + indexes

PG Bug reporting form <noreply@postgresql.org> writes:
> CREATE OR REPLACE VIEW v3.temp_view AS
> SELECT * FROM users WHERE id = 'e-1'
> UNION ALL
> SELECT * FROM users WHERE id = 'e-2';

> Either way when the view is created, the indexes and the related relations
> of the foreign key references are being dropped. 

Views do not have either indexes or foreign keys.

> What + Why? I am processing the result of the union in another CTE which now
> is not having access to indices and so it is performing a seq scan!

This seems to be a performance complaint, rather than a valid bug
report.  You might find it helpful to read

https://wiki.postgresql.org/wiki/Slow_Query_Questions

            regards, tom lane