def backend_supported(self, manager, **kwargs):
return (
(
(
kwargs['is_catalog'] and
(
(
self.CATALOG_DB_SUPPORTED and
kwargs['db_support']
) or (
not self.CATALOG_DB_SUPPORTED and
not kwargs[
'db_support'] and
(
self.SUPPORTED_SCHEMAS is None or
kwargs[
'schema_name'] in self.SUPPORTED_SCHEMAS
)
)
)
) or
(
not kwargs['is_catalog'] and self.CATALOG_DB_SUPPORTED
)
) and
CollectionNodeModule.backend_supported(self, manager, **kwargs)
)
def backend_supported(module, manager, **kwargs):
if 'tid' in kwargs and CollectionNodeModule.BackendSupported(
module, manager, **kwargs):
conn = manager.connection(did=kwargs['did'])
template_path = 'partition/sql/{0}/#{0}#{1}#'.format(
manager.server_type, manager.version)
SQL = render_template("/".join([template_path, 'backend_support.sql']),
tid=kwargs['tid'])
status, res = conn.execute_scalar(SQL)
# check if any errors
if not status:
return internal_server_error(errormsg=res)
return res
def BackendSupported(self, manager, **kwargs):
"""
Load this module if it is a partition table
"""
if manager.server_type == 'gpdb':
return False
if 'tid' in kwargs and CollectionNodeModule.BackendSupported(self, manager, **kwargs):
conn = manager.connection(did=kwargs['did'])
template_path = 'partition/sql/#{0}#'.format(manager.version)
SQL = render_template("/".join(
[template_path, 'backend_support.sql']), tid=kwargs['tid'])
status, res = conn.execute_scalar(SQL)
# check if any errors
if not status:
return internal_server_error(errormsg=res)
return res
