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    7hv                     @   sP   d dl Z d dlmZmZ d dlmZ d dlmZ d dlm	Z	 G dd deZ
dS )    N)	DataErrorInterfaceError)BaseDatabaseFeatures)is_psycopg3)cached_propertyc                       sR  e 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eZdZdZdZdZ dZ!dZ"dZ#dZ$dZ%dZ&dZ'dddd	hZ(dZ)dZ*dZ+dZ,dZ-dZ.dZ/d
dddZ0dZ1dhdhdZ2e3dd Z4e3dd Z5e3dd Z6e3 fddZ7e3dd Z8e3dd Z9e:e;<dZ=e:e;<dZ>dZ?  Z@S )DatabaseFeatures)   Tz
        CREATE FUNCTION test_procedure () RETURNS void AS $$
        DECLARE
            V_I INTEGER;
        BEGIN
            V_I := 1;
        END;
    $$ LANGUAGE plpgsql;z
        CREATE FUNCTION test_procedure (P_I INTEGER) RETURNS void AS $$
        DECLARE
            V_I INTEGER;
        BEGIN
            V_I := P_I;
        END;
    $$ LANGUAGE plpgsql;z
        CREATE TABLE test_table_composite_pk (
            column_1 INTEGER NOT NULL,
            column_2 INTEGER NOT NULL,
            PRIMARY KEY(column_1, column_2)
        )
    JSONZTEXTXMLYAMLCzsv-x-icu)ZdeterministicZnon_defaultZ
swedish_ciz(STATEMENT_TIMESTAMP() AT TIME ZONE 'UTC'zQindexes.tests.SchemaIndexesNotPostgreSQLTests.test_create_index_ignores_opclassesz2lookup.tests.LookupTests.test_textfield_exact_null)zopclasses are PostgreSQL only.z$PostgreSQL requires casting to text.c                 C   s   t  }| jr|dh |S )NzOaggregation.tests.AggregateTestCase.test_group_by_nested_expression_with_params)setuses_server_side_bindingupdate)selfZexpected_failures r   `/var/www/formularioweb/env/lib/python3.8/site-packages/django/db/backends/postgresql/features.pydjango_test_expected_failures[   s    	z.DatabaseFeatures.django_test_expected_failuresc                 C   s   | j jd }to|ddkS )NOPTIONSZserver_side_bindingT)
connectionZsettings_dictr   get)r   optionsr   r   r   r   j   s    z)DatabaseFeatures.uses_server_side_bindingc                 C   s   t rtdfS tdfS d S )Nz6PostgreSQL text fields cannot contain NUL (0x00) bytesz6A string literal cannot contain NUL (0x00) characters.)r   r   
ValueErrorr   r   r   r   +prohibits_null_characters_in_text_exceptiono   s    z<DatabaseFeatures.prohibits_null_characters_in_text_exceptionc                    s   t  jddddS )NZBigIntegerFieldZIntegerFieldZSmallIntegerField)ZPositiveBigIntegerFieldZPositiveIntegerFieldZPositiveSmallIntegerField)superintrospected_field_typesr   	__class__r   r   r   v   s
    z)DatabaseFeatures.introspected_field_typesc                 C   s   | j jdkS )Ni r   Z
pg_versionr   r   r   r   is_postgresql_13   s    z!DatabaseFeatures.is_postgresql_13c                 C   s   | j jdkS )Ni" r   r   r   r   r   is_postgresql_14   s    z!DatabaseFeatures.is_postgresql_14r!   )A__name__
__module____qualname__Zminimum_database_versionZallows_group_by_selected_pksZcan_return_columns_from_insertZ can_return_rows_from_bulk_insertZhas_real_datatypeZhas_native_uuid_fieldZhas_native_duration_fieldZhas_native_json_fieldZcan_defer_constraint_checksZhas_select_for_updateZhas_select_for_update_nowaitZhas_select_for_update_ofZ!has_select_for_update_skip_lockedZhas_select_for_no_key_updateZcan_release_savepointsZsupports_commentsZsupports_tablespacesZsupports_transactionsZ!can_introspect_materialized_viewsZcan_distinct_on_fieldsZcan_rollback_ddlZ+schema_editor_uses_clientside_param_bindingZsupports_combined_altersZnulls_order_largestr   Zclosed_cursor_error_classZgreatest_least_ignores_nullsZcan_clone_databasesZsupports_temporal_subtractionZ%supports_slicing_ordering_in_compoundZ(create_test_procedure_without_params_sqlZ(create_test_procedure_with_int_param_sqlZ,create_test_table_with_composite_primary_keyZrequires_casted_case_in_updatesZsupports_over_clauseZ4only_supports_unbounded_with_preceding_and_followingZ supports_aggregate_filter_clauseZsupported_explain_formatsZ&supports_deferrable_unique_constraintsZhas_json_operatorsZ-json_key_contains_list_matching_requires_listZsupports_update_conflictsZ%supports_update_conflicts_with_targetZsupports_covering_indexesZcan_rename_indexZtest_collationsZtest_now_utc_templateZdjango_test_skipsr   r   r   r   r   r    r!   propertyoperator
attrgetterZhas_bit_xorZ supports_covering_spgist_indexesZsupports_unlimited_charfield__classcell__r   r   r   r   r   	   s   





r   )r&   Z	django.dbr   r   Z django.db.backends.base.featuresr   Z)django.db.backends.postgresql.psycopg_anyr   Zdjango.utils.functionalr   r   r   r   r   r   <module>   s
   