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gh-105875: Require SQLite 3.15.2 or newer (#105876)

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SQLite 3.15.2 was released 2016-11-28.
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Erlend E. Aasland 2023-06-19 00:29:08 +02:00 • committed by GitHub
parent bc07c8f096
commit 6849acb3fe
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13 changed files with 61 additions and 202 deletions
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34
Lib/test/test_sqlite3/test_userfunctions.py
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@ -381,38 +381,22 @@ class FunctionTests(unittest.TestCase):
# Regarding deterministic functions:
#
# Between 3.8.3 and 3.15.0, deterministic functions were only used to
# optimize inner loops, so for those versions we can only test if the
# sqlite machinery has factored out a call or not. From 3.15.0 and onward,
# deterministic functions were permitted in WHERE clauses of partial
# indices, which allows testing based on syntax, iso. the query optimizer.
@unittest.skipIf(sqlite.sqlite_version_info < (3, 8, 3), "Requires SQLite 3.8.3 or higher")
# optimize inner loops. From 3.15.0 and onward, deterministic functions
# were permitted in WHERE clauses of partial indices, which allows testing
# based on syntax, iso. the query optimizer.
def test_func_non_deterministic(self):
mock = Mock(return_value=None)
self.con.create_function("nondeterministic", 0, mock, deterministic=False)
if sqlite.sqlite_version_info < (3, 15, 0):
self.con.execute("select nondeterministic() = nondeterministic()")
self.assertEqual(mock.call_count, 2)
else:
with self.assertRaises(sqlite.OperationalError):
self.con.execute("create index t on test(t) where nondeterministic() is not null")
with self.assertRaises(sqlite.OperationalError):
self.con.execute("create index t on test(t) where nondeterministic() is not null")
@unittest.skipIf(sqlite.sqlite_version_info < (3, 8, 3), "Requires SQLite 3.8.3 or higher")
def test_func_deterministic(self):
mock = Mock(return_value=None)
self.con.create_function("deterministic", 0, mock, deterministic=True)
if sqlite.sqlite_version_info < (3, 15, 0):
self.con.execute("select deterministic() = deterministic()")
self.assertEqual(mock.call_count, 1)
else:
try:
self.con.execute("create index t on test(t) where deterministic() is not null")
except sqlite.OperationalError:
self.fail("Unexpected failure while creating partial index")
@unittest.skipIf(sqlite.sqlite_version_info >= (3, 8, 3), "SQLite < 3.8.3 needed")
def test_func_deterministic_not_supported(self):
with self.assertRaises(sqlite.NotSupportedError):
self.con.create_function("deterministic", 0, int, deterministic=True)
try:
self.con.execute("create index t on test(t) where deterministic() is not null")
except sqlite.OperationalError:
self.fail("Unexpected failure while creating partial index")
def test_func_deterministic_keyword_only(self):
with self.assertRaises(TypeError):