Re: Can a view use a schema search_path? - Mailing list pgsql-general

From Thomas Kellerer
Subject Re: Can a view use a schema search_path?
Date
Msg-id k376qj$7po$1@ger.gmane.org
Whole thread Raw
In response to Can a view use a schema search_path?  (Adam Mackler <adammackler@gmail.com>)
List pgsql-general
Adam Mackler, 17.09.2012 11:06:
> I have the feeling the answer is no, but I would like an
> authoritative answer before I give up.
>
> My plan was to have two schemas: one for the live data, and one for
> staging, training, and testing.  Both schemas would have
> identically-named tables.  I wanted to create a single view in the
> public schema, and have that one view refer to the tables in one or
> the other schema depending on my search_path setting at the time I
> query the view.
>
> But it seems that at the time the view is created it decides which
> schema's table it's referring to, even if I don't explicitly qualify
> the table names with the schema name.
>
> Am I correct in concluding that there's no way to have a single view
> in the public schema that selects data from tables in different other
> schemas depending on my search_path at the time I execute a query
> involving that view?
>

You could achieve this using a set returning function.
Inside the function you'd check the search_path and then dynamically build the approriate SELECT statement

Regards
Thomas




pgsql-general by date:

Previous
From: Rafal Pietrak
Date:
Subject: Re: foreign key from array element
Next
From: Chris Angelico
Date:
Subject: Re: Can a view use a schema search_path?