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关系型数据库 Postgresql 6.5.2

Based on the original work by William Wanders ([e-mail])
and Jolly Chen ([e-mail]), this is the first set of
changes to libpq++ since ~1997.  Pgenv has been removed, deprecated 
functions removed and/or updated and error handling rewritten, 
however for the most part it remains as a wrapper around libpq.
The documentation on libpq is recommended reading to understand 
the function of libpq++.

The API provided herein is subject to change in later versions of 
PostgreSQL.

For details on how to to use libpq++, see the man page in the man/
subdirectory and the test programs in the examples/ subdirectory.

** PgConnection has been changed to accept either the environment
variables or conninfo style strings.  See the PQconnectdb in the
documentation on libpq for details.

libpq++ has only been tested with g++, version 2.7.2.1

Vince Vielhaber ([e-mail])
Tue May 18 08:30:00 EDT 1999