libpq:Find Table Name

Hi

Am currently writing (or trying to at least) a postgresql driver for the
koffice app kexi.

The driver requires that i subclass some kexi classes, one being a class that
represents a field.

I know the SQL statement used to generate the result and for each field inthe
result i create an object. However, one property of the object is the table
name for the field. Other properties require that i know the table name, eg
given the table and field names i can query the system catalogs to get things
like contraints.

In the my_sql c library, the result (tuble) structure contains a filed
structure that contains the table name that the particular field originated
in, but libpq doesnt seem to have any similar kind of functionality (and i
have looked a lot i think)

Has anyone any suggestions on how i can achieve getting the table name for a
filed in a result without having to parse the sql statement (which i dont
think wold be easy).

Regards

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