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bpo-44041: Add test for sqlite3 column count (GH-25907)

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Erlend Egeberg Aasland 2021-06-04 19:36:08 +02:00 • committed by GitHub
parent 17c4edc4e0
commit 8363ac8607
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11
Lib/sqlite3/test/dbapi.py
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@ -555,6 +555,17 @@ class CursorTests(unittest.TestCase):
] ]
self.assertEqual(results, expected) self.assertEqual(results, expected)
def test_column_count(self):
# Check that column count is updated correctly for cached statements
select = "select * from test"
res = self.cu.execute(select)
old_count = len(res.description)
# Add a new column and execute the cached select query again
self.cu.execute("alter table test add newcol")
res = self.cu.execute(select)
new_count = len(res.description)
self.assertEqual(new_count - old_count, 1)
class ThreadTests(unittest.TestCase): class ThreadTests(unittest.TestCase):
def setUp(self): def setUp(self):