[postgis-users] Access 2002 linked table behavior

[Sufficool, Stanley]

I am debugging a certain application *cough* ArcGIS *cough* using Access
2002 linked tables and PostgreSQL. I am able to get the application to
recognize and work with SQL 2005 linked tables, but it won't with
PostgreSQL linked tables.
 
I have traced all commands going to PG using the pgodbc debug logs and
all the queries are fine. So, now I am left with the ODBC / DAO layers.
I think this has something to do with MSSQL IMAGE versus the PG bytea
type since when it get to handling the bytea blobs, this is where it
seems to crash. I have verified at the DAO layer that all data types and
table/field attributes match between MSSQL and PGSQL linked tables.
 
If I trick the app by allowing initial connect to the SQL linked tables
and then swap the link for the PG table all goes just fine and I can see
the queries passed to PG and drawn on the application screen, but I cant
get the app to do the initial connect to the PG linked table.
 
Is there any extra debug information I can get from the ODBC driver to
see where the failure is?
 
Stanley Sufficool
Systems Analyst
San Bernardino County
909-387-2102
 
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