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60 lines
1.8 KiB
Python
60 lines
1.8 KiB
Python
# lastrowid.py - example of using .lastrowid attribute
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#
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# Copyright (C) 2001-2010 Federico Di Gregorio <fog@debian.org>
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#
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# psycopg2 is free software: you can redistribute it and/or modify it
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# under the terms of the GNU Lesser General Public License as published
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# by the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# psycopg2 is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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# License for more details.
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## put in DSN your DSN string
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DSN = 'dbname=test'
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## don't modify anything below this line (except for experimenting)
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import sys, psycopg2
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if len(sys.argv) > 1:
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DSN = sys.argv[1]
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print "Opening connection using dsn:", DSN
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conn = psycopg2.connect(DSN)
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curs = conn.cursor()
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try:
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curs.execute("CREATE TABLE test_oid (name text, surname text)")
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except:
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conn.rollback()
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curs.execute("DROP TABLE test_oid")
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curs.execute("CREATE TABLE test_oid (name text, surname text)")
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conn.commit()
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data = ({'name':'Federico', 'surname':'Di Gregorio'},
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{'name':'Pierluigi', 'surname':'Di Nunzio'})
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curs.execute("""INSERT INTO test_oid
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VALUES (%(name)s, %(surname)s)""", data[0])
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foid = curs.lastrowid
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print "Oid for %(name)s %(surname)s" % data[0], "is", foid
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curs.execute("""INSERT INTO test_oid
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VALUES (%(name)s, %(surname)s)""", data[1])
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moid = curs.lastrowid
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print "Oid for %(name)s %(surname)s" % data[1], "is", moid
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curs.execute("SELECT * FROM test_oid WHERE oid = %s", (foid,))
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print "Oid", foid, "selected %s %s" % curs.fetchone()
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curs.execute("SELECT * FROM test_oid WHERE oid = %s", (moid,))
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print "Oid", moid, "selected %s %s" % curs.fetchone()
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curs.execute("DROP TABLE test_oid")
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conn.commit()
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