o
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h                     @   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                       sv  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'h dZ(dZ)dZ*dZ+dZ,dZ-dZ.dZ/dZ0dZ1dd	d	d	d
Z2dZ3dZ4dhdhdZ5e6dd Z7e6dd Z8e6dd Z9e6 fddZ:e6dd Z;e6dd Z<e6dd Z=e>e?@dZAe>e?@dZBdZCe>e?@dZD  ZES ) 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)
        )
    >   XMLJSONTEXTYAMLFCzsv-x-icu)deterministicnon_default
swedish_civirtualz(STATEMENT_TIMESTAMP() AT TIME ZONE 'UTC'zINSERT INTO {} DEFAULT VALUESzQindexes.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)selfexpected_failures r   h/var/www/html/optinet_system/venv/lib/python3.10/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u S )NOPTIONSserver_side_bindingT)
connectionsettings_dictr   get)r   optionsr   r   r   r   n   s   z)DatabaseFeatures.uses_server_side_bindingc                 C   s   t rtdfS tdf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_exceptions   s   z<DatabaseFeatures.prohibits_null_characters_in_text_exceptionc                    s   i t  jddddS )NBigIntegerFieldIntegerFieldSmallIntegerField)PositiveBigIntegerFieldPositiveIntegerFieldPositiveSmallIntegerField)superintrospected_field_typesr!   	__class__r   r   r*   z   s   z)DatabaseFeatures.introspected_field_typesc                 C      | j jdkS )Ni r   
pg_versionr!   r   r   r   is_postgresql_13      z!DatabaseFeatures.is_postgresql_13c                 C   r-   )Ni" r.   r!   r   r   r   is_postgresql_14   r1   z!DatabaseFeatures.is_postgresql_14c                 C   r-   )NiI r.   r!   r   r   r   is_postgresql_15   r1   z!DatabaseFeatures.is_postgresql_15r2   r3   )F__name__
__module____qualname__minimum_database_versionallows_group_by_selected_pkscan_return_columns_from_insert can_return_rows_from_bulk_inserthas_real_datatypehas_native_uuid_fieldhas_native_duration_fieldhas_native_json_fieldcan_defer_constraint_checkshas_select_for_updatehas_select_for_update_nowaithas_select_for_update_of!has_select_for_update_skip_lockedhas_select_for_no_key_updatecan_release_savepointssupports_commentssupports_tablespacessupports_transactions!can_introspect_materialized_viewscan_distinct_on_fieldscan_rollback_ddl+schema_editor_uses_clientside_param_bindingsupports_combined_altersnulls_order_largestr   closed_cursor_error_classgreatest_least_ignores_nullscan_clone_databasessupports_temporal_subtraction%supports_slicing_ordering_in_compound(create_test_procedure_without_params_sql(create_test_procedure_with_int_param_sql,create_test_table_with_composite_primary_keyrequires_casted_case_in_updatessupports_over_clause4only_supports_unbounded_with_preceding_and_following supports_aggregate_filter_clausesupported_explain_formats&supports_deferrable_unique_constraintshas_json_operators-json_key_contains_list_matching_requires_listsupports_update_conflicts%supports_update_conflicts_with_targetsupports_covering_indexes!supports_stored_generated_columns"supports_virtual_generated_columnscan_rename_indextest_collationstest_now_utc_templateinsert_test_table_with_defaultsdjango_test_skipsr   r   r   r"   r*   r0   r2   r3   propertyoperator
attrgetterhas_bit_xor supports_covering_spgist_indexessupports_unlimited_charfield*supports_nulls_distinct_unique_constraints__classcell__r   r   r+   r   r   	   s    






r   )rj   	django.dbr   r    django.db.backends.base.featuresr   )django.db.backends.postgresql.psycopg_anyr   django.utils.functionalr   r   r   r   r   r   <module>   s    