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Fixed #31479 -- Added support to reset sequences on SQLite.

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Jon Dufresne 2020-04-18 09:38:42 -07:00 • committed by Mariusz Felisiak
parent 5220ca8d8a
commit 75866b93cc
4 changed files with 40 additions and 7 deletions
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17
tests/backends/sqlite/test_operations.py
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@ -40,7 +40,6 @@ class SQLiteOperationsTests(TestCase):
)
def test_sql_flush_sequences(self):
# sequences doesn't change statements on SQLite.
self.assertEqual(
connection.ops.sql_flush(
no_style(),
@ -50,11 +49,12 @@ class SQLiteOperationsTests(TestCase):
[
'DELETE FROM "backends_person";',
'DELETE FROM "backends_tag";',
'UPDATE "sqlite_sequence" SET "seq" = 0 WHERE "name" IN '
'(\'backends_person\', \'backends_tag\');',
],
)
def test_sql_flush_sequences_allow_cascade(self):
# sequences doesn't change statements on SQLite.
statements = connection.ops.sql_flush(
no_style(),
[Person._meta.db_table, Tag._meta.db_table],
@ -63,7 +63,7 @@ class SQLiteOperationsTests(TestCase):
)
self.assertEqual(
# The tables are processed in an unordered set.
sorted(statements),
sorted(statements[:-1]),
[
'DELETE FROM "backends_person";',
'DELETE FROM "backends_tag";',
@ -72,3 +72,14 @@ class SQLiteOperationsTests(TestCase):
'zzzzzzzzzzzzzzzzzzzzzzz";',
],
)
self.assertIs(statements[-1].startswith(
'UPDATE "sqlite_sequence" SET "seq" = 0 WHERE "name" IN ('
), True)
self.assertIn("'backends_person'", statements[-1])
self.assertIn("'backends_tag'", statements[-1])
self.assertIn(
"'backends_verylongmodelnamezzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz"
"zzzz_m2m_also_quite_long_zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz"
"zzz'",
statements[-1],
)