Re: invalid search_path complaints - Mailing list pgsql-hackers

From Scott Mead
Subject Re: invalid search_path complaints
Date
Msg-id CAKq0gvJ9FeOJtQi3WCaxmd2arMnetOAqvhjGZpbSw1TY7gPYQw@mail.gmail.com
Whole thread Raw
In response to Re: invalid search_path complaints  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: invalid search_path complaints  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers

On Tue, Apr 3, 2012 at 2:37 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
Robert Haas <robertmhaas@gmail.com> writes:
> So we have an established precedent that it is right to warn about
> things that are sketchy at the time that they are defined, but not
> every time they are used.

Sure, but we don't have that option available to us here --- or more
accurately, ALTER USER/DATABASE SET *does* warn if the search_path value
looks like it might be invalid according to the current context, but
that helps little for this problem.  What's important is whether the
value is valid when we attempt to apply it.

Basically, I don't think you've made a strong case for changing this
behavior; nor have you explained what you think we should do instead.

I have a legacy application now that relies heavily on multiple databases and multiple schemas.  The issue I have is that we have postgres deployed very widely and have a cookie-cutter script for everything.  We know for example:

              (each schema exists only in its respective DB)

   user oltp should be able to see schemaA in db1, schemaB in db2 and schemaC in db3
   user reporting should be able to see biSchema in db1, reporting schema in db2 and schemaC in db3

    This is across a large multitude of databases and hosts.  One of the things I've loved about this is the ability to hide certain things from users ( of course they can do a \dn and fully-qualify, which is why we have permissions too, but I really appreciate the 'hidden-ness' of my tables ).  

    Because our schemas are all over the place, now I've got to setup a hard-coded search_path in postgresql.conf which feels even worse to me than the per-user setup.

    Personally, I feel that if unix will let you be stupid:
    $ export PATH=/usr/bin:/this/invalid/crazy/path
    $ echo $PATH
    /usr/bin:/this/invalid/crazy/path
 
PG should trust that I'll get where I'm going eventually :)

Just my two cents.

--Scott
 OpenSCG


 
                       regards, tom lane

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