7.3.1 - python pgdb getdesc bug

pgdb.getdesc tries select the typprtlen field from pg_types, but fails
because it isn't in 7.3.1. It is my understanding that this field would
contain -1 if there was no set limit on the length of the returned
string representing the data type. Instead if "guessing" and risking
that future changes would be out of sync, I removed the typprtlen field
from the query, modified the indices within the result set and replaced
any reference to the old typprtlen rs position with -1 so that getdesc
returns the same tuple format.

This patch is intended to be patched against the untarred postgresql
7.3.1 tarball ala cd postgresql-7.3.1;patch -p1 <
pgsql-7.3.1-pydb-getdesc.patch

- Adam

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Adam DePrince
Chief Software Architect
Cognit Enterprises