mirror of
https://github.com/psycopg/psycopg2.git
synced 2024-09-21 11:18:49 +03:00
60 lines
1.8 KiB
Python
60 lines
1.8 KiB
Python
# lastrowid.py - example of using .lastrowid attribute
|
|
#
|
|
# Copyright (C) 2001-2004 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 tis line (except for experimenting)
|
|
|
|
import sys, psycopg2
|
|
|
|
if len(sys.argv) > 1:
|
|
DSN = sys.argv[1]
|
|
|
|
print "Opening connection using dns:", DSN
|
|
conn = psycopg2.connect(DSN)
|
|
curs = conn.cursor()
|
|
|
|
try:
|
|
curs.execute("CREATE TABLE test_oid (name text, surname text)")
|
|
except:
|
|
conn.rollback()
|
|
curs.execute("DROP TABLE test_oid")
|
|
curs.execute("CREATE TABLE test_oid (name text, surname text)")
|
|
conn.commit()
|
|
|
|
data = ({'name':'Federico', 'surname':'Di Gregorio'},
|
|
{'name':'Pierluigi', 'surname':'Di Nunzio'})
|
|
|
|
curs.execute("""INSERT INTO test_oid
|
|
VALUES (%(name)s, %(surname)s)""", data[0])
|
|
|
|
foid = curs.lastrowid
|
|
print "Oid for %(name)s %(surname)s" % data[0], "is", foid
|
|
|
|
curs.execute("""INSERT INTO test_oid
|
|
VALUES (%(name)s, %(surname)s)""", data[1])
|
|
moid = curs.lastrowid
|
|
print "Oid for %(name)s %(surname)s" % data[1], "is", moid
|
|
|
|
curs.execute("SELECT * FROM test_oid WHERE oid = %s", (foid,))
|
|
print "Oid", foid, "selected %s %s" % curs.fetchone()
|
|
|
|
curs.execute("SELECT * FROM test_oid WHERE oid = %s", (moid,))
|
|
print "Oid", moid, "selected %s %s" % curs.fetchone()
|
|
|
|
curs.execute("DROP TABLE test_oid")
|
|
conn.commit()
|