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Fixed #26833 -- Fixed SchemaEditor._constraint_names() to handle features.uppercases_column_names.

This commit is contained in:
Jon Dufresne 2016-07-07 05:09:42 -07:00 committed by Tim Graham
parent f7e907115f
commit 3410820460
2 changed files with 36 additions and 17 deletions
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6
django/db/backends/base/schema.py
View File

@ -941,7 +941,11 @@ class BaseDatabaseSchemaEditor(object):
"""
Returns all constraint names matching the columns and conditions
"""
column_names = list(column_names) if column_names else None
if column_names is not None:
column_names = [
self.connection.introspection.column_name_converter(name)
for name in column_names
]
with self.connection.cursor() as cursor:
constraints = self.connection.introspection.get_constraints(cursor, model._meta.db_table)
result = []

47
tests/schema/tests.py
View File

@ -1622,7 +1622,6 @@ class SchemaTests(TransactionTestCase):
with self.assertRaises(DatabaseError):
list(Thing.objects.all())
@skipUnlessDBFeature('supports_foreign_keys')
def test_remove_constraints_capital_letters(self):
"""
#23065 - Constraint names must be quoted if they contain capital letters.
@ -1642,36 +1641,52 @@ class SchemaTests(TransactionTestCase):
editor.create_model(model)
editor.add_field(model, field)
constraint_name = "CamelCaseIndex"
editor.execute(
editor.sql_create_index % {
"table": editor.quote_name(table),
"name": editor.quote_name("CamelCaseIndex"),
"name": editor.quote_name(constraint_name),
"columns": editor.quote_name(column),
"extra": "",
}
)
editor.alter_field(model, get_field(db_index=True), field)
if connection.features.uppercases_column_names:
constraint_name = constraint_name.upper()
self.assertIn(constraint_name, self.get_constraints(model._meta.db_table))
editor.alter_field(model, get_field(db_index=True), field, strict=True)
self.assertNotIn(constraint_name, self.get_constraints(model._meta.db_table))
constraint_name = "CamelCaseUniqConstraint"
editor.execute(
editor.sql_create_unique % {
"table": editor.quote_name(table),
"name": editor.quote_name("CamelCaseUniqConstraint"),
"name": editor.quote_name(constraint_name),
"columns": editor.quote_name(field.column),
}
)
editor.alter_field(model, get_field(unique=True), field)
if connection.features.uppercases_column_names:
constraint_name = constraint_name.upper()
self.assertIn(constraint_name, self.get_constraints(model._meta.db_table))
editor.alter_field(model, get_field(unique=True), field, strict=True)
self.assertNotIn(constraint_name, self.get_constraints(model._meta.db_table))
editor.execute(
editor.sql_create_fk % {
"table": editor.quote_name(table),
"name": editor.quote_name("CamelCaseFKConstraint"),
"column": editor.quote_name(column),
"to_table": editor.quote_name(table),
"to_column": editor.quote_name(model._meta.auto_field.column),
"deferrable": connection.ops.deferrable_sql(),
}
)
editor.alter_field(model, get_field(Author, CASCADE, field_class=ForeignKey), field)
if connection.features.supports_foreign_keys:
constraint_name = "CamelCaseFKConstraint"
editor.execute(
editor.sql_create_fk % {
"table": editor.quote_name(table),
"name": editor.quote_name(constraint_name),
"column": editor.quote_name(column),
"to_table": editor.quote_name(table),
"to_column": editor.quote_name(model._meta.auto_field.column),
"deferrable": connection.ops.deferrable_sql(),
}
)
if connection.features.uppercases_column_names:
constraint_name = constraint_name.upper()
self.assertIn(constraint_name, self.get_constraints(model._meta.db_table))
editor.alter_field(model, get_field(Author, CASCADE, field_class=ForeignKey), field, strict=True)
self.assertNotIn(constraint_name, self.get_constraints(model._meta.db_table))
def test_add_field_use_effective_default(self):
"""