a
    ÛEbô,  ã                   @   s4   d dl Z d dlmZ d dlmZ G dd„ deƒZdS )é    N)ÚBaseDatabaseFeatures)Úcached_propertyc                       sÒ  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dZedd„ ƒZdZed	d
„ ƒZedd„ ƒZ edd„ ƒZ!edd„ ƒZ"edd„ ƒZ#e‡ fdd„ƒZ$edd„ ƒZ%e&e' (d¡ƒZ)edd„ ƒZ*edd„ ƒZ+edd„ ƒZ,e&e' (d¡ƒZ-edd „ ƒZ.e&e' (d!¡ƒZ/ed"d#„ ƒZ0ed$d%„ ƒZ1ed&d'„ ƒZ2ed(d)„ ƒZ3ed*d+„ ƒZ4ed,d-„ ƒZ5ed.d/„ ƒZ6ed0d1„ ƒZ7ed2d3„ ƒZ8ed4d5„ ƒZ9ed6d7„ ƒZ:ed8d9„ ƒZ;ed:d;„ ƒZ<‡  Z=S )<ÚDatabaseFeatures© TFz…
        CREATE PROCEDURE test_procedure ()
        BEGIN
            DECLARE V_I INTEGER;
            SET V_I = 1;
        END;
    z’
        CREATE PROCEDURE test_procedure (P_I INTEGER)
        BEGIN
            DECLARE V_I INTEGER;
            SET V_I = P_I;
        END;
    c                 C   s:   d}| j jr| j jdkrd}|› d�|› d�|› d�dœS )NÚutf8©é
   é   Zutf8mb3Z_general_ciZ_esperanto_ciZ_swedish_ci)ÚciZnon_defaultZ
swedish_ci©Ú
connectionÚmysql_is_mariadbÚmysql_version)ÚselfÚcharsetr   r   úa/home/ja/django-apps/lartica_env/lib/python3.9/site-packages/django/db/backends/mysql/features.pyÚtest_collations3   s    ýz DatabaseFeatures.test_collationsZUTC_TIMESTAMPc                 C   sæ   ddhddhdhdhdœ}d| j jv r8| d	d
dhi¡ | j jsd| j jdk rd| ddhddhdœ¡ | j jr˜d| j j  k r„dk r˜n n| ddhi¡ | j jrÌd| j j  k r¸dk rÌn n| ddhi¡ | jsâ| ddhi¡ |S )NzLdb_functions.comparison.test_greatest.GreatestTests.test_coalesce_workaroundzFdb_functions.comparison.test_least.LeastTests.test_coalesce_workaroundz5model_fields.test_textfield.TextFieldTests.test_emojiz4model_fields.test_charfield.TestCharField.test_emojiz;schema.tests.SchemaTests.test_func_index_json_key_transformzDexpressions.tests.FTimeDeltaTests.test_durationfield_multiply_divide)zThis doesn't work on MySQL.z4Running on MySQL requires utf8mb4 encoding (#18392).zHMySQL doesn't support functional indexes on a function that returns JSONzkMySQL supports multiplying and dividing DurationFields by a scalar value but it's not implemented (#25287).ZONLY_FULL_GROUP_BYzjGROUP BY optimization does not work properly when ONLY_FULL_GROUP_BY mode is enabled on MySQL, see #31331.zTaggregation.tests.AggregateTestCase.test_aggregation_subquery_annotation_multivaluedzSannotations.tests.NonAggregateAnnotationTestCase.test_annotation_aggregate_with_m2o)é   zSaggregation.tests.AggregateTestCase.test_aggregation_default_using_time_from_pythonzWaggregation.tests.AggregateTestCase.test_aggregation_default_using_datetime_from_pythonzUaggregation.tests.AggregateTestCase.test_aggregation_default_using_time_from_databasezYaggregation.tests.AggregateTestCase.test_aggregation_default_using_datetime_from_database)zBCasting to datetime/time is not supported by MySQL < 8.0. (#30224)zBMySQL < 8.0 returns string type instead of datetime/time. (#30224))r   é   é   )r   é   é   z*https://jira.mariadb.org/browse/MDEV-19598zCschema.tests.SchemaTests.test_alter_not_unique_field_to_primary_key)r   r   é   )r   r   z*https://jira.mariadb.org/browse/MDEV-22775zBschema.tests.SchemaTests.test_alter_pk_with_self_referential_fieldz%MariaDB and MySQL >= 8.0.18 specific.z4queries.test_explain.ExplainTests.test_mysql_analyze)r   Úsql_modeÚupdater   r   Úsupports_explain_analyze)r   Úskipsr   r   r   Údjango_test_skipsD   sv    ýþÿÿðýþÿýý÷ÿ
üü
ÿÿÿ
üü
ÿÿÿÿÿÿz"DatabaseFeatures.django_test_skipsc                 C   s   | j jd S )zGInternal method used in Django tests. Don't rely on this from your codeZdefault_storage_engine©r   Zmysql_server_data©r   r   r   r   Ú_mysql_storage_engineŸ   s    z&DatabaseFeatures._mysql_storage_enginec                 C   s   d| j jv S )zt
        Autoincrement primary key can be set to 0 if it doesn't generate new
        autoincrement values.
        ZNO_AUTO_VALUE_ON_ZERO)r   r   r   r   r   r   Úallows_auto_pk_0¤   s    z!DatabaseFeatures.allows_auto_pk_0c                 C   s   | j jo| j jdkS )N)r   r   r   r   r   r   r   r   Úupdate_can_self_select¬   s    z'DatabaseFeatures.update_can_self_selectc                 C   s
   | j dkS )z-Confirm support for introspected foreign keysÚMyISAM©r    r   r   r   r   Úcan_introspect_foreign_keys´   s    z,DatabaseFeatures.can_introspect_foreign_keysc                    s   i t ƒ j¥dddddœ¥S )NZ	TextFieldZIntegerFieldZBigIntegerFieldZ	CharField)ZBinaryFieldZBooleanFieldZDurationFieldZGenericIPAddressField)ÚsuperÚintrospected_field_typesr   ©Ú	__class__r   r   r'   ¹   s    ÿûz)DatabaseFeatures.introspected_field_typesc                 C   s   | j jo| j jdkS )N)r   r   r   r   r   r   r   r   Úcan_return_columns_from_insertÃ   s    z/DatabaseFeatures.can_return_columns_from_insertr*   c                 C   s   | j jd S )NÚhas_zoneinfo_databaser   r   r   r   r   r+   Ï   s    z&DatabaseFeatures.has_zoneinfo_databasec                 C   s   | j jd S )NZsql_auto_is_nullr   r   r   r   r   Úis_sql_auto_is_null_enabledÓ   s    z,DatabaseFeatures.is_sql_auto_is_null_enabledc                 C   s   | j jrdS | j jdkS )NT)r   r   r   r   r   r   r   r   Úsupports_over_clause×   s    z%DatabaseFeatures.supports_over_clauser-   c                 C   s    | j jr| j jdkS | j jdkS )N)r   r   é   ©r   r   é   r   r   r   r   r   Ú!supports_column_check_constraintsá   s    z2DatabaseFeatures.supports_column_check_constraintsr1   c                 C   s4   | j jr(| j j}|dkr |dk p&|dkS | j jdkS )N)r   r   é   )r   r   )r   r   r   r/   r   )r   Úversionr   r   r   Ú can_introspect_check_constraintsë   s    z1DatabaseFeatures.can_introspect_check_constraintsc                 C   s    | j jr| j jdkS | j jdkS )Nr   ©r   r   r.   r   r   r   r   r   Ú!has_select_for_update_skip_lockedö   s    z2DatabaseFeatures.has_select_for_update_skip_lockedc                 C   s    | j jr| j jdkS | j jdkS )N)r   r   r   r5   r   r   r   r   r   Úhas_select_for_update_nowaitü   s    z-DatabaseFeatures.has_select_for_update_nowaitc                 C   s   | j j o| j jdkS ©Nr5   r   r   r   r   r   Úhas_select_for_update_of  s    

þz)DatabaseFeatures.has_select_for_update_ofc                 C   s   | j jp| j jdkS )N)r   r   é   r   r   r   r   r   r   	  s    z)DatabaseFeatures.supports_explain_analyzec                 C   s*   h d£}| j js&| j jdkr&| d¡ |S )N>   ÚJSONZTRADITIONALZTEXTr/   ZTREE)r   r   r   Úadd)r   Úformatsr   r   r   Úsupported_explain_formats  s    
z*DatabaseFeatures.supported_explain_formatsc                 C   s
   | j dkS )zI
        All storage engines except MyISAM support transactions.
        r#   r$   r   r   r   r   Úsupports_transactions  s    z&DatabaseFeatures.supports_transactionsc                 C   s   | j jd S )NZlower_case_table_namesr   r   r   r   r   Úignores_table_name_case%  s    z(DatabaseFeatures.ignores_table_name_casec                 C   s
   | j j S ©N)r   r   r   r   r   r   Úsupports_default_in_lead_lag)  s    z-DatabaseFeatures.supports_default_in_lead_lagc                 C   s    | j jr| j jdkS | j jdkS )N)r   r   é   )r   rC   r   r   r   r   r   r   Úsupports_json_field.  s    z$DatabaseFeatures.supports_json_fieldc                 C   s   | j jr| jo| jS | jS rA   )r   r   rD   r4   r   r   r   r   Úcan_introspect_json_field4  s    z*DatabaseFeatures.can_introspect_json_fieldc                 C   s   | j j o| j jdkS r8   r   r   r   r   r   Úsupports_index_column_ordering:  s    

þz/DatabaseFeatures.supports_index_column_orderingc                 C   s   | j j o| j jdkS )N)r   r   é   r   r   r   r   r   Úsupports_expression_indexesA  s    

þz,DatabaseFeatures.supports_expression_indexes)>Ú__name__Ú
__module__Ú__qualname__Zempty_fetchmany_valueZallows_group_by_pkZrelated_fields_match_typeZallow_sliced_subqueries_with_inZhas_select_for_updateZsupports_forward_referencesZsupports_regex_backreferencingZ!supports_date_lookup_using_stringZsupports_timezonesZ-requires_explicit_null_ordering_when_groupingZcan_release_savepointsZatomic_transactionsZcan_clone_databasesZsupports_temporal_subtractionZsupports_select_intersectionZsupports_select_differenceZ%supports_slicing_ordering_in_compoundZsupports_index_on_text_fieldZhas_case_insensitive_likeZ(create_test_procedure_without_params_sqlZ(create_test_procedure_with_int_param_sqlZsupports_partial_indexesZcollate_as_index_expressionZ supports_order_by_nulls_modifierZorder_by_nulls_firstr   r   Ztest_now_utc_templater   r    r!   r"   r%   r'   r*   ÚpropertyÚoperatorÚ
attrgetterZ can_return_rows_from_bulk_insertr+   r,   r-   Z#supports_frame_range_fixed_distancer1   Z supports_table_check_constraintsr4   r6   r7   r9   r   r>   r?   r@   rB   rD   rE   rF   rH   Ú__classcell__r   r   r(   r   r      sª   

Z



	
ÿ


ÿ
ÿ












r   )rM   Z django.db.backends.base.featuresr   Zdjango.utils.functionalr   r   r   r   r   r   Ú<module>   s   