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Fixed #23091: CreateModel and AddField were clashing with deferred SQL

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This commit is contained in:
Andrew Godwin 2014-08-04 11:58:44 +10:00
parent 1b00738f73
commit c06e124b5e
3 changed files with 72 additions and 1 deletions
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27
tests/migrations/test_operations.py
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@ -1051,6 +1051,33 @@ class OperationTests(OperationTestBase):
operation.database_backwards("test_alorwrtto", editor, new_state, project_state)
self.assertColumnNotExists("test_alorwrtto_rider", "_order")
def test_alter_fk(self):
"""
Tests that creating and then altering an FK works correctly
and deals with the pending SQL (#23091)
"""
project_state = self.set_up_test_model("test_alfk")
# Test adding and then altering the FK in one go
create_operation = migrations.CreateModel(
name="Rider",
fields=[
("id", models.AutoField(primary_key=True)),
("pony", models.ForeignKey(to="Pony")),
],
)
create_state = project_state.clone()
create_operation.state_forwards("test_alfk", create_state)
alter_operation = migrations.AlterField(
model_name='Rider',
name='pony',
field=models.ForeignKey(editable=False, to="Pony"),
)
alter_state = create_state.clone()
alter_operation.state_forwards("test_alfk", alter_state)
with connection.schema_editor() as editor:
create_operation.database_forwards("test_alfk", editor, project_state, create_state)
alter_operation.database_forwards("test_alfk", editor, create_state, alter_state)
@unittest.skipIf(sqlparse is None and connection.features.requires_sqlparse_for_splitting, "Missing sqlparse")
def test_run_sql(self):
"""