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Can't get ODBC to work unless the connection user is a 'superuser'...

From: "Greg Cocks" <gcocks(at)stoller(dot)com>
To: <pgsql-odbc(at)postgresql(dot)org>
Subject: Can't get ODBC to work unless the connection user is a 'superuser'...
Date: 2007-11-28 23:19:02
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-odbc

Yep, a newbie, at least to PostgreSQL + ODBC...   :-)

I have:

 - built and populated a PostgreSQL database (including PostGIS, in case that matters in this case)

 - set up ODBC (using psqlodbc-08_02_0500), using the Unicode version as a System DNS

 - successfully connected to the tables in PostgreSQL from an Access 'front end' I built, updated tables, etc, etc

The user in PostgreSQL/ODBC was a superuser - lets call that user FRED...

Wanting now to lock this down a bit I security-wise, I:

 - set FRED as *not* being a SuperUser

 - made a new group role, lets call that grpWrite

 - assigned (sic) FRED to grpWrite

 - set the GRANT permissions on all the non-system tables to be SELECT, INSERT, DELETE and UPDATE (took me a bit to find and use that function!), so the grpWrite privileges on each non-system table reads 'arwdx' 

 - tested FRED with phpPgAdmin - works just as expected, full read write access to the data but NOT things such as vacuum, etc

 - checked the TEST on my ODBC driver, 'CONNECTION SUCCESSFUL'

When I go to the Access 'front end' now, I can refresh all the tables in the Linked Table Manager (suggest the CONNECT is A-OK) but when I try and view data in a table, etc I get the error in MS Access:

	ODBC--call failed
	ERROR: permission denied for relation <table_name>;
	Error while executing the query (#7)

Tried, with no luck:

 - setting the GRANT on the group role to include REFERENCES

 - opening the MS Access database on the PostgreSQL server

 - as a last resort, setting the GRANT in grpWrite to ALL

The minute I change FRED back to being a SuperUser, works like a charm...

** Suggestions and experiences gratefully accepted! **

Note that MapServer has the same need for FRED to be a SuperUser...

Thanks in advance!

GIS Analyst V
Gcocks |a|
S. M. Stoller Corp
105 Technology Drive, Suite 190
Broomfield, CO 80021
303-443-1408 fax
303-546-4422 direct
303-828-7576 cell

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Subject: Hoping - is there a 'automagically' way to emulate the PK/FK, etc settings in PostgreSQL in the relationships in Access?
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