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Fixed #31333 -- Added BaseDatabaseIntrospection.get_table_description().

This commit is contained in:
aryan 2020-03-03 16:07:11 +05:30 committed by Mariusz Felisiak
parent 6dea42feba
commit 427a7e419b
2 changed files with 15 additions and 0 deletions
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10
django/db/backends/base/introspection.py
View File

@ -54,6 +54,16 @@ class BaseDatabaseIntrospection:
""" """
raise NotImplementedError('subclasses of BaseDatabaseIntrospection may require a get_table_list() method') raise NotImplementedError('subclasses of BaseDatabaseIntrospection may require a get_table_list() method')
def get_table_description(self, cursor, table_name):
"""
Return a description of the table with the DB-API cursor.description
interface.
"""
raise NotImplementedError(
'subclasses of BaseDatabaseIntrospection may require a '
'get_table_description() method.'
)
def get_migratable_models(self): def get_migratable_models(self):
from django.apps import apps from django.apps import apps
from django.db import router from django.db import router

5
tests/backends/base/test_introspection.py
View File

@ -16,6 +16,11 @@ class SimpleDatabaseIntrospectionTests(SimpleTestCase):
with self.assertRaisesMessage(NotImplementedError, msg): with self.assertRaisesMessage(NotImplementedError, msg):
self.introspection.get_table_list(None) self.introspection.get_table_list(None)
def test_get_table_description(self):
msg = self.may_require_msg % 'get_table_description'
with self.assertRaisesMessage(NotImplementedError, msg):
self.introspection.get_table_description(None, None)
def test_get_sequences(self): def test_get_sequences(self):
msg = self.may_require_msg % 'get_sequences' msg = self.may_require_msg % 'get_sequences'
with self.assertRaisesMessage(NotImplementedError, msg): with self.assertRaisesMessage(NotImplementedError, msg):