+!!メモ
+ $ python
+ >>> import _pg
+ >>> db = _pg.connect('thilo','localhost')
+ >>> db.query("INSERT INTO test VALUES ('ping','pong')")
+ 18304
+ >>> db.query("SELECT * FROM test")
+ eins|zwei
+ ----+----
+ ping|pong
+ (1 row)
+*[PythonでPostgreSQLにアクセスする|http://d.hatena.ne.jp/greennoah/20090310/1236695030] より
+ import pg
+ con = pg.connect('zeeta','192.168.1.1',7625,'','','zeeta','zeeta')
+ qobj = con.query(sql)
+ print "rows=%d\n" % qobj.ntuples()
+ print str(qobj.listfields())
+ result = qobj.getresult()
+