diff --git a/Lib/sqlite3/test/regression.py b/Lib/sqlite3/test/regression.py
index 25e4b63..c8733b9 100644
--- a/Lib/sqlite3/test/regression.py
+++ b/Lib/sqlite3/test/regression.py
@@ -61,6 +61,14 @@
 
         con.rollback()
 
+    def CheckColumnNameWithSpaces(self):
+        cur = self.con.cursor()
+        cur.execute('select 1 as "foo bar [datetime]"')
+        self.failUnlessEqual(cur.description[0][0], "foo bar")
+
+        cur.execute('select 1 as "foo baz"')
+        self.failUnlessEqual(cur.description[0][0], "foo baz")
+
 def suite():
     regression_suite = unittest.makeSuite(RegressionTests, "Check")
     return unittest.TestSuite((regression_suite,))
diff --git a/Lib/sqlite3/test/types.py b/Lib/sqlite3/test/types.py
index e49f7dd..c238ef9 100644
--- a/Lib/sqlite3/test/types.py
+++ b/Lib/sqlite3/test/types.py
@@ -101,16 +101,16 @@
         self.cur.execute("create table test(i int, s str, f float, b bool, u unicode, foo foo, bin blob)")
 
         # override float, make them always return the same number
-        sqlite.converters["float"] = lambda x: 47.2
+        sqlite.converters["FLOAT"] = lambda x: 47.2
 
         # and implement two custom ones
-        sqlite.converters["bool"] = lambda x: bool(int(x))
-        sqlite.converters["foo"] = DeclTypesTests.Foo
+        sqlite.converters["BOOL"] = lambda x: bool(int(x))
+        sqlite.converters["FOO"] = DeclTypesTests.Foo
 
     def tearDown(self):
-        del sqlite.converters["float"]
-        del sqlite.converters["bool"]
-        del sqlite.converters["foo"]
+        del sqlite.converters["FLOAT"]
+        del sqlite.converters["BOOL"]
+        del sqlite.converters["FOO"]
         self.cur.close()
         self.con.close()
 
@@ -208,14 +208,14 @@
         self.cur = self.con.cursor()
         self.cur.execute("create table test(x foo)")
 
-        sqlite.converters["foo"] = lambda x: "[%s]" % x
-        sqlite.converters["bar"] = lambda x: "<%s>" % x
-        sqlite.converters["exc"] = lambda x: 5/0
+        sqlite.converters["FOO"] = lambda x: "[%s]" % x
+        sqlite.converters["BAR"] = lambda x: "<%s>" % x
+        sqlite.converters["EXC"] = lambda x: 5/0
 
     def tearDown(self):
-        del sqlite.converters["foo"]
-        del sqlite.converters["bar"]
-        del sqlite.converters["exc"]
+        del sqlite.converters["FOO"]
+        del sqlite.converters["BAR"]
+        del sqlite.converters["EXC"]
         self.cur.close()
         self.con.close()
 
@@ -231,12 +231,6 @@
         val = self.cur.fetchone()[0]
         self.failUnlessEqual(val, None)
 
-    def CheckExc(self):
-        # Exceptions in type converters result in returned Nones
-        self.cur.execute('select 5 as "x [exc]"')
-        val = self.cur.fetchone()[0]
-        self.failUnlessEqual(val, None)
-
     def CheckColName(self):
         self.cur.execute("insert into test(x) values (?)", ("xxx",))
         self.cur.execute('select x as "x [bar]" from test')
diff --git a/Lib/sqlite3/test/userfunctions.py b/Lib/sqlite3/test/userfunctions.py
index 78656e7..bcc5ae3 100644
--- a/Lib/sqlite3/test/userfunctions.py
+++ b/Lib/sqlite3/test/userfunctions.py
@@ -55,6 +55,9 @@
     def __init__(self):
         pass
 
+    def finalize(self):
+        return 1
+
 class AggrNoFinalize:
     def __init__(self):
         pass
@@ -144,9 +147,12 @@
     def CheckFuncRefCount(self):
         def getfunc():
             def f():
-                return val
+                return 1
             return f
-        self.con.create_function("reftest", 0, getfunc())
+        f = getfunc()
+        globals()["foo"] = f
+        # self.con.create_function("reftest", 0, getfunc())
+        self.con.create_function("reftest", 0, f)
         cur = self.con.cursor()
         cur.execute("select reftest()")
 
@@ -195,9 +201,12 @@
 
     def CheckFuncException(self):
         cur = self.con.cursor()
-        cur.execute("select raiseexception()")
-        val = cur.fetchone()[0]
-        self.failUnlessEqual(val, None)
+        try:
+            cur.execute("select raiseexception()")
+            cur.fetchone()
+            self.fail("should have raised OperationalError")
+        except sqlite.OperationalError, e:
+            self.failUnlessEqual(e.args[0], 'user-defined function raised exception')
 
     def CheckParamString(self):
         cur = self.con.cursor()
@@ -267,31 +276,47 @@
 
     def CheckAggrNoStep(self):
         cur = self.con.cursor()
-        cur.execute("select nostep(t) from test")
+        try:
+            cur.execute("select nostep(t) from test")
+            self.fail("should have raised an AttributeError")
+        except AttributeError, e:
+            self.failUnlessEqual(e.args[0], "AggrNoStep instance has no attribute 'step'")
 
     def CheckAggrNoFinalize(self):
         cur = self.con.cursor()
-        cur.execute("select nofinalize(t) from test")
-        val = cur.fetchone()[0]
-        self.failUnlessEqual(val, None)
+        try:
+            cur.execute("select nofinalize(t) from test")
+            val = cur.fetchone()[0]
+            self.fail("should have raised an OperationalError")
+        except sqlite.OperationalError, e:
+            self.failUnlessEqual(e.args[0], "user-defined aggregate's 'finalize' method raised error")
 
     def CheckAggrExceptionInInit(self):
         cur = self.con.cursor()
-        cur.execute("select excInit(t) from test")
-        val = cur.fetchone()[0]
-        self.failUnlessEqual(val, None)
+        try:
+            cur.execute("select excInit(t) from test")
+            val = cur.fetchone()[0]
+            self.fail("should have raised an OperationalError")
+        except sqlite.OperationalError, e:
+            self.failUnlessEqual(e.args[0], "user-defined aggregate's '__init__' method raised error")
 
     def CheckAggrExceptionInStep(self):
         cur = self.con.cursor()
-        cur.execute("select excStep(t) from test")
-        val = cur.fetchone()[0]
-        self.failUnlessEqual(val, 42)
+        try:
+            cur.execute("select excStep(t) from test")
+            val = cur.fetchone()[0]
+            self.fail("should have raised an OperationalError")
+        except sqlite.OperationalError, e:
+            self.failUnlessEqual(e.args[0], "user-defined aggregate's 'step' method raised error")
 
     def CheckAggrExceptionInFinalize(self):
         cur = self.con.cursor()
-        cur.execute("select excFinalize(t) from test")
-        val = cur.fetchone()[0]
-        self.failUnlessEqual(val, None)
+        try:
+            cur.execute("select excFinalize(t) from test")
+            val = cur.fetchone()[0]
+            self.fail("should have raised an OperationalError")
+        except sqlite.OperationalError, e:
+            self.failUnlessEqual(e.args[0], "user-defined aggregate's 'finalize' method raised error")
 
     def CheckAggrCheckParamStr(self):
         cur = self.con.cursor()
@@ -331,10 +356,55 @@
         val = cur.fetchone()[0]
         self.failUnlessEqual(val, 60)
 
+def authorizer_cb(action, arg1, arg2, dbname, source):
+    if action != sqlite.SQLITE_SELECT:
+        return sqlite.SQLITE_DENY
+    if arg2 == 'c2' or arg1 == 't2':
+        return sqlite.SQLITE_DENY
+    return sqlite.SQLITE_OK
+
+class AuthorizerTests(unittest.TestCase):
+    def setUp(self):
+        sqlite.enable_callback_tracebacks(1)
+        self.con = sqlite.connect(":memory:")
+        self.con.executescript("""
+            create table t1 (c1, c2);
+            create table t2 (c1, c2);
+            insert into t1 (c1, c2) values (1, 2);
+            insert into t2 (c1, c2) values (4, 5);
+            """)
+
+        # For our security test:
+        self.con.execute("select c2 from t2")
+
+        self.con.set_authorizer(authorizer_cb)
+
+    def tearDown(self):
+        pass
+
+    def CheckTableAccess(self):
+        try:
+            self.con.execute("select * from t2")
+        except sqlite.DatabaseError, e:
+            if not e.args[0].endswith("prohibited"):
+                self.fail("wrong exception text: %s" % e.args[0])
+            return
+        self.fail("should have raised an exception due to missing privileges")
+
+    def CheckColumnAccess(self):
+        try:
+            self.con.execute("select c2 from t1")
+        except sqlite.DatabaseError, e:
+            if not e.args[0].endswith("prohibited"):
+                self.fail("wrong exception text: %s" % e.args[0])
+            return
+        self.fail("should have raised an exception due to missing privileges")
+
 def suite():
     function_suite = unittest.makeSuite(FunctionTests, "Check")
     aggregate_suite = unittest.makeSuite(AggregateTests, "Check")
-    return unittest.TestSuite((function_suite, aggregate_suite))
+    authorizer_suite = unittest.makeSuite(AuthorizerTests, "Check") 
+    return unittest.TestSuite((function_suite, aggregate_suite, authorizer_suite))
 
 def test():
     runner = unittest.TextTestRunner()