mirror of
https://github.com/psycopg/psycopg2.git
synced 2024-11-25 02:13:44 +03:00
55 lines
1.5 KiB
Python
55 lines
1.5 KiB
Python
# 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) 2001-2010 Federico Di Gregorio <fog@debian.org>
|
|
#
|
|
# psycopg2 is free software: you can redistribute it and/or modify it
|
|
# under the terms of the GNU Lesser General Public License as published
|
|
# by the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# psycopg2 is distributed in the hope that it will be useful, but WITHOUT
|
|
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser 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
|
|
import psycopg2
|
|
|
|
if len(sys.argv) > 1:
|
|
DSN = sys.argv[1]
|
|
|
|
print "Opening connection using dsn:", DSN
|
|
conn = psycopg2.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()})
|