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Refs #30593 -- Fixed introspection of check constraints columns on MariaDB.

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Hasan Ramezani 2019-07-30 16:21:05 +02:00 • committed by Mariusz Felisiak
parent b2aad9ad4d
commit e3fc9af4ab
2 changed files with 20 additions and 8 deletions
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17
tests/backends/mysql/test_introspection.py
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@ -7,16 +7,23 @@ from django.test import TestCase
@skipUnless(connection.vendor == 'mysql', 'MySQL tests')
class ParsingTests(TestCase):
def test_parse_constraint_columns(self):
_parse_constraint_columns = connection.introspection._parse_constraint_columns
tests = (
('`height` >= 0', ['height']),
('`cost` BETWEEN 1 AND 10', ['cost']),
('`ref1` > `ref2`', ['ref1', 'ref2']),
('`height` >= 0', ['height'], ['height']),
('`cost` BETWEEN 1 AND 10', ['cost'], ['cost']),
('`ref1` > `ref2`', ['id', 'ref1', 'ref2'], ['ref1', 'ref2']),
(
'`start` IS NULL OR `end` IS NULL OR `start` < `end`',
['id', 'start', 'end'],
['start', 'end'],
),
('JSON_VALID(`json_field`)', ['json_field'], ['json_field']),
('CHAR_LENGTH(`name`) > 2', ['name'], ['name']),
("lower(`ref1`) != 'test'", ['id', 'owe', 'ref1'], ['ref1']),
("lower(`ref1`) != 'test'", ['id', 'lower', 'ref1'], ['ref1']),
("`name` LIKE 'test%'", ['name'], ['name']),
)
for check_clause, expected_columns in tests:
for check_clause, table_columns, expected_columns in tests:
with self.subTest(check_clause):
check_columns = connection.introspection._parse_constraint_columns(check_clause)
check_columns = _parse_constraint_columns(check_clause, table_columns)
self.assertEqual(list(check_columns), expected_columns)