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Diffstat (limited to 'examples/simple.py')
-rw-r--r-- | examples/simple.py | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/examples/simple.py b/examples/simple.py new file mode 100644 index 0000000..08a3607 --- /dev/null +++ b/examples/simple.py @@ -0,0 +1,52 @@ +# simple.py - very simple example of plain DBAPI-2.0 usage +# currently used as test-me-stress-me script for psycopg 2.0 +# +# Copyright (C) 2001-2003 Federico Di Gregorio <fog@debian.org> +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by the +# Free Software Foundation; either version 2, or (at your option) any later +# version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTIBILITY +# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +# for more details. + +## put in DSN your DSN string + +DSN = 'dbname=test' + +## don't modify anything below this line (except for experimenting) + +class SimpleQuoter(object): + def sqlquote(x=None): + return "'bar'" + +import sys, psycopg + +if len(sys.argv) > 1: + DSN = sys.argv[1] + +print "Opening connection using dns:", DSN +conn = psycopg.connect(DSN) +print "Encoding for this connection is", conn.encoding + +curs = conn.cursor() +curs.execute("SELECT 1 AS foo") +print curs.fetchone() +curs.execute("SELECT 1 AS foo") +print curs.fetchmany() +curs.execute("SELECT 1 AS foo") +print curs.fetchall() + +conn.rollback() + +sys.exit(0) + +curs.execute("SELECT 1 AS foo", async=1) + +curs.execute("SELECT %(foo)s AS foo", {'foo':'bar'}) +curs.execute("SELECT %(foo)s AS foo", {'foo':None}) +curs.execute("SELECT %(foo)f AS foo", {'foo':42}) +curs.execute("SELECT %(foo)s AS foo", {'foo':SimpleQuoter()}) |