76 lines
2.4 KiB
Python
76 lines
2.4 KiB
Python
from django.db.backends.base.features import BaseDatabaseFeatures
|
|
from django.db.utils import InterfaceError
|
|
from django.utils.functional import cached_property
|
|
|
|
|
|
class DatabaseFeatures(BaseDatabaseFeatures):
|
|
allows_group_by_selected_pks = True
|
|
can_return_id_from_insert = True
|
|
can_return_ids_from_bulk_insert = True
|
|
has_real_datatype = True
|
|
has_native_uuid_field = True
|
|
has_native_duration_field = True
|
|
can_defer_constraint_checks = True
|
|
has_select_for_update = True
|
|
has_select_for_update_nowait = True
|
|
has_select_for_update_of = True
|
|
has_bulk_insert = True
|
|
uses_savepoints = True
|
|
can_release_savepoints = True
|
|
supports_tablespaces = True
|
|
supports_transactions = True
|
|
can_introspect_autofield = True
|
|
can_introspect_ip_address_field = True
|
|
can_introspect_small_integer_field = True
|
|
can_distinct_on_fields = True
|
|
can_rollback_ddl = True
|
|
supports_combined_alters = True
|
|
nulls_order_largest = True
|
|
closed_cursor_error_class = InterfaceError
|
|
has_case_insensitive_like = False
|
|
requires_sqlparse_for_splitting = False
|
|
greatest_least_ignores_nulls = True
|
|
can_clone_databases = True
|
|
supports_temporal_subtraction = True
|
|
supports_slicing_ordering_in_compound = True
|
|
create_test_procedure_without_params_sql = """
|
|
CREATE FUNCTION test_procedure () RETURNS void AS $$
|
|
DECLARE
|
|
V_I INTEGER;
|
|
BEGIN
|
|
V_I := 1;
|
|
END;
|
|
$$ LANGUAGE plpgsql;"""
|
|
create_test_procedure_with_int_param_sql = """
|
|
CREATE FUNCTION test_procedure (P_I INTEGER) RETURNS void AS $$
|
|
DECLARE
|
|
V_I INTEGER;
|
|
BEGIN
|
|
V_I := P_I;
|
|
END;
|
|
$$ LANGUAGE plpgsql;"""
|
|
|
|
@cached_property
|
|
def supports_aggregate_filter_clause(self):
|
|
return self.connection.pg_version >= 90400
|
|
|
|
@cached_property
|
|
def has_select_for_update_skip_locked(self):
|
|
return self.connection.pg_version >= 90500
|
|
|
|
@cached_property
|
|
def has_brin_index_support(self):
|
|
return self.connection.pg_version >= 90500
|
|
|
|
@cached_property
|
|
def has_jsonb_datatype(self):
|
|
return self.connection.pg_version >= 90400
|
|
|
|
@cached_property
|
|
def has_jsonb_agg(self):
|
|
return self.connection.pg_version >= 90500
|
|
|
|
@cached_property
|
|
def has_gin_pending_list_limit(self):
|
|
return self.connection.pg_version >= 90500
|