3
g5                 @   s*   d dl mZ d dlmZ G dd dZdS )    )ProgrammingError)cached_propertyc               @   s2  e Zd ZdZdZdZdZg ZdZdZ	dZ
dZdZdZdZdZdZdZdZdZdZdZdZdZdZdZdZdZdZdZdZdZdZ dZ!dZ"dZ#dZ$dZ%dZ&dZ'dZ(dZ)dZ*dZ+dZ,dZ-dZ.dZ/dZ0dZ1dZ2dZ3dddddd	d
dddddddddZ4dZ5dZ6dZ7dZ8dZ9dZ:dZ;dZ<dZ=dZ>dZ?dZ@dZAdZBdZCdZDeEZFdZGdZHdZIdZJdZKdZLdZMdZNdZOdZPdZQdZRdZSdZTdZUdZVdZWdZXdZYdZZdZ[dZ\dZ]e^ Z_dZ`dZadZbdZcdZddZedZfdZgdZhdZidZjdZkdZldZmdZndZodZpdZqdZrdZsdZtdZudddddZve^ Zwi Zxdd Zyezdd Z{ezdd Z|dd Z}dS )BaseDatabaseFeaturesFTN	AutoFieldBigAutoFieldBigIntegerFieldBinaryFieldBooleanField	CharFieldDurationFieldGenericIPAddressFieldIntegerFieldPositiveBigIntegerFieldPositiveIntegerFieldPositiveSmallIntegerFieldSmallAutoFieldSmallIntegerField	TimeField)r   r   r   r   r	   r
   r   r   r   r   r   r   r   r   r       )cicsZnon_defaultZ
swedish_cic             C   s
   || _ d S )N)
connection)selfr    r   ^/var/www/tester-filtro-web/env/lib/python3.6/site-packages/django/db/backends/base/features.py__init__Q  s    zBaseDatabaseFeatures.__init__c             C   s   | j jjdk	S )z5Does this backend support explaining query execution?N)r   opsZexplain_prefix)r   r   r   r   #supports_explaining_query_executionT  s    z8BaseDatabaseFeatures.supports_explaining_query_executionc          	   C   sr   | j j Z}|jd | j jd |jd | j j  | j jd |jd |j \}|jd W dQ R X |dkS )	z!Confirm support for transactions.z"CREATE TABLE ROLLBACK_TEST (X INT)Fz(INSERT INTO ROLLBACK_TEST (X) VALUES (8)Tz"SELECT COUNT(X) FROM ROLLBACK_TESTzDROP TABLE ROLLBACK_TESTNr   )r   cursorexecuteZset_autocommitrollbackZfetchone)r   r   countr   r   r   supports_transactionsY  s    




z*BaseDatabaseFeatures.supports_transactionsc             C   s   | j s
dS |jjS )NF)allows_group_by_selected_pksZ_metaZmanaged)r   modelr   r   r   %allows_group_by_selected_pks_on_modelg  s    z:BaseDatabaseFeatures.allows_group_by_selected_pks_on_model)~__name__
__module____qualname__Zgis_enabledZallows_group_by_lobZallows_group_by_pkr$   Zempty_fetchmany_valueZupdate_can_self_selectZ!interprets_empty_strings_as_nullsZ$supports_nullable_unique_constraintsZ.supports_partially_nullable_unique_constraintsZ&supports_deferrable_unique_constraintsZcan_use_chunked_readsZcan_return_columns_from_insertZ can_return_rows_from_bulk_insertZhas_bulk_insertZuses_savepointsZcan_release_savepointsZrelated_fields_match_typeZallow_sliced_subqueries_with_inZhas_select_for_updateZhas_select_for_update_nowaitZ!has_select_for_update_skip_lockedZhas_select_for_update_ofZhas_select_for_no_key_updateZselect_for_update_of_columnZ#test_db_allows_multiple_connectionsZsupports_unspecified_pkZsupports_forward_referencesZtruncates_namesZhas_real_datatypeZsupports_subqueries_in_group_byZhas_native_uuid_fieldZhas_native_duration_fieldZsupports_temporal_subtractionZsupports_regex_backreferencingZ!supports_date_lookup_using_stringZsupports_timezonesZhas_zoneinfo_databaseZ-requires_explicit_null_ordering_when_groupingZnulls_order_largestZ supports_order_by_nulls_modifierZorder_by_nulls_firstZmax_query_paramsZallows_auto_pk_0Zcan_defer_constraint_checksZ(supports_mixed_date_datetime_comparisonsZsupports_tablespacesZsupports_sequence_resetZcan_introspect_defaultZcan_introspect_foreign_keysZintrospected_field_typesZsupports_index_column_orderingZ!can_introspect_materialized_viewsZcan_distinct_on_fieldsZatomic_transactionsZcan_rollback_ddlZ!supports_atomic_references_renameZsupports_combined_altersZsupports_foreign_keysZcan_create_inline_fkZindexes_foreign_keysZ!supports_column_check_constraintsZ supports_table_check_constraintsZ can_introspect_check_constraintsZsupports_paramstyle_pyformatZrequires_literal_defaultsZconnection_persists_old_columnsr   Zclosed_cursor_error_classZhas_case_insensitive_likeZbare_select_suffixZimplied_column_nullZ%supports_select_for_update_with_limitZgreatest_least_ignores_nullsZcan_clone_databasesZignores_table_name_caseZfor_update_after_fromZsupports_select_unionZsupports_select_intersectionZsupports_select_differenceZ%supports_slicing_ordering_in_compoundZ supports_parentheses_in_compoundZ supports_aggregate_filter_clauseZsupports_index_on_text_fieldZsupports_over_clauseZ#supports_frame_range_fixed_distanceZ4only_supports_unbounded_with_preceding_and_followingZsupports_cast_with_precisionZtime_cast_precisionZ(create_test_procedure_without_params_sqlZ(create_test_procedure_with_int_param_sqlZsupports_callproc_kwargssetZsupported_explain_formatsZvalidates_explain_optionsZsupports_default_in_lead_lagZsupports_ignore_conflictsZrequires_casted_case_in_updatesZsupports_partial_indexesZ%supports_functions_in_partial_indexesZsupports_covering_indexesZsupports_expression_indexesZcollate_as_index_expressionZ*allows_multiple_constraints_on_same_fieldsZ&supports_boolean_expr_in_select_clauseZsupports_json_fieldZcan_introspect_json_fieldZ!supports_primitives_in_json_fieldZhas_native_json_fieldZhas_json_operatorsZsupports_json_field_containsZ-json_key_contains_list_matching_requires_listZhas_json_object_functionZsupports_collation_on_charfieldZsupports_collation_on_textfieldZ%supports_non_deterministic_collationsZtest_collationsZdjango_test_expected_failuresZdjango_test_skipsr   r   r   r#   r&   r   r   r   r   r      s  r   N)Z	django.dbr   Zdjango.utils.functionalr   r   r   r   r   r   <module>   s   