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authorFederico Di Gregorio <fog@initd.org>2004-10-19 03:17:12 +0000
committerFederico Di Gregorio <fog@initd.org>2004-10-19 03:17:12 +0000
commitc904d97f696a665958c2cc43333d09c0e6357577 (patch)
treede88cb1cb6a48230f79bc0b532835d26a33660e9 /examples/lastrowid.py
downloadpsycopg2-c904d97f696a665958c2cc43333d09c0e6357577.tar.gz
Initial psycopg 2 import after SVN crash.
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+# 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, psycopg
+
+if len(sys.argv) > 1:
+ DSN = sys.argv[1]
+
+print "Opening connection using dns:", DSN
+conn = psycopg.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 = %d", (foid,))
+print "Oid", foid, "selected %s %s" % curs.fetchone()
+
+curs.execute("SELECT * FROM test_oid WHERE oid = %d", (moid,))
+print "Oid", moid, "selected %s %s" % curs.fetchone()
+
+curs.execute("DROP TABLE test_oid")
+conn.commit()