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Fixed #35180 -- Recreated PostgreSQL _like indexes when changing between TextField and CharField field types.

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Ben Cail 2024-09-17 15:10:39 -04:00 • committed by Sarah Boyce
parent b50d1a020d
commit 0eaaadd47f
2 changed files with 61 additions and 7 deletions
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45
tests/schema/tests.py
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@ -5223,6 +5223,51 @@ class SchemaTests(TransactionTestCase):
["schema_tag_slug_2c418ba3_like", "schema_tag_slug_key"],
)
@isolate_apps("schema")
@unittest.skipUnless(connection.vendor == "postgresql", "PostgreSQL specific")
def test_indexed_charfield_to_textfield(self):
class SimpleModel(Model):
field1 = CharField(max_length=10, db_index=True)
class Meta:
app_label = "schema"
with connection.schema_editor() as editor:
editor.create_model(SimpleModel)
self.assertEqual(
self.get_constraints_for_column(SimpleModel, "field1"),
[
"schema_simplemodel_field1_f07a3d6a",
"schema_simplemodel_field1_f07a3d6a_like",
],
)
# Change to TextField.
old_field1 = SimpleModel._meta.get_field("field1")
new_field1 = TextField(db_index=True)
new_field1.set_attributes_from_name("field1")
with connection.schema_editor() as editor:
editor.alter_field(SimpleModel, old_field1, new_field1, strict=True)
self.assertEqual(
self.get_constraints_for_column(SimpleModel, "field1"),
[
"schema_simplemodel_field1_f07a3d6a",
"schema_simplemodel_field1_f07a3d6a_like",
],
)
# Change back to CharField.
old_field1 = SimpleModel._meta.get_field("field1")
new_field1 = CharField(max_length=10, db_index=True)
new_field1.set_attributes_from_name("field1")
with connection.schema_editor() as editor:
editor.alter_field(SimpleModel, old_field1, new_field1, strict=True)
self.assertEqual(
self.get_constraints_for_column(SimpleModel, "field1"),
[
"schema_simplemodel_field1_f07a3d6a",
"schema_simplemodel_field1_f07a3d6a_like",
],
)
def test_alter_field_add_index_to_integerfield(self):
# Create the table and verify no initial indexes.
with connection.schema_editor() as editor: