Обсуждение: libpq pgconn pointer
Hi,
I've have been using PostgreSQL for its spatial extension. However fetching binary data into a dataset through ODBC and then reading the binary data decreases performance. For the sake of performance,i've fetched geometries by binary cursors using libpq API. My problem is to make two connections;one for geometries and other for psql-odbc. So i'm wondering if somehow pgconn pointer address of a connection made by psql-odbc can be reached from outside.
Another question : Server side cursor is working with OpenForwardOnly mode,what about KeySet?
Wed, May 10, 2006 at 09:31:14AM +0300, SAFAK CIRAG wrote: > I've have been using PostgreSQL for its spatial extension. > However fetching binary data into a dataset through ODBC and then > reading the binary data decreases performance. For the sake of > performance,i've fetched geometries by binary cursors using libpq > API. My problem is to make two connections;one for geometries and Why is it the problem? > other for psql-odbc. So i'm wondering if somehow pgconn pointer > address of a connection made by psql-odbc can be reached from outside. You don't specify driver version at first. E.g. 08.02.0002 use libpq only sometimes ... I see no way to get th pgconn pointer right now. Maybe you hack some ODBC function to return it (maybe SQLGetInfo or SQLGetConnectAttr). > Another question : Server side cursor is working with > OpenForwardOnly mode,what about KeySet? Does PostgreSQL backend (server) support Keyset cursor? I don't think so. Regards, Luf