a
    ‘ÐOcb5  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                       s  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dZedd„ ƒZedd	„ ƒZed
d„ ƒZ dZ!edd„ ƒZ"edd„ ƒZ#edd„ ƒZ$edd„ ƒZ%edd„ ƒZ&e‡ fdd„ƒZ'edd„ ƒZ(e)e* +d¡ƒZ,edd„ ƒZ-edd„ ƒZ.ed d!„ ƒZ/e)e* +d"¡ƒZ0ed#d$„ ƒZ1e)e* +d%¡ƒZ2ed&d'„ ƒZ3ed(d)„ ƒZ4ed*d+„ ƒZ5ed,d-„ ƒZ6ed.d/„ ƒZ7ed0d1„ ƒZ8ed2d3„ ƒZ9e)e* +d4¡ƒZ:e)e* +d4¡ƒZed5d6„ ƒZ;ed7d8„ ƒZ<ed9d:„ ƒZ=ed;d<„ ƒZ>ed=d>„ ƒZ?ed?d@„ ƒZ@edAdB„ ƒZA‡  ZBS )CÚ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   | j jrdS dS d S )N)é
   é   )é   é   ©Ú
connectionÚmysql_is_mariadb©Úselfr   r   úX/var/www/html/gsl.tools/lib/python3.9/site-packages/django/db/backends/mysql/features.pyÚminimum_database_version4   s    z)DatabaseFeatures.minimum_database_versionc                 C   s0   | j jr| j jdk s(| j js,| j jdk r,dS dS )N©r   é   ©é   z
 FROM DUALÚ ©r   r   Úmysql_versionr   r   r   r   Úbare_select_suffix;   s    ÿ
ÿý
üz#DatabaseFeatures.bare_select_suffixc                 C   sN   d}| j jr| j jdks,| j js0| j jdkr0d}|› d�|› d�|› d�dœS )	NÚutf8©r   é   )r   r   é   Zutf8mb3Z_general_ciZ_esperanto_ciZ_swedish_ci)ÚciZnon_defaultZ
swedish_cir   )r   Úcharsetr   r   r   Útest_collationsF   s    ÿ
þü
ûýz DatabaseFeatures.test_collationsZUTC_TIMESTAMPc                 C   s,  ddhddhdhdhddhd	œ}d
| j jv r>| dddhi¡ | j jsj| j jdk rj| ddhddhdœ¡ | j jržd| j j  k rŠdk ržn n| ddhi¡ | j jrÒd| j j  k r¾dk rÒn n| ddhi¡ | j jræ| j jdk sþ| j j�s| j jdk �r| dh d£i¡ | j�s(| 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_dividezGupdate.tests.AdvancedTests.test_update_ordered_by_inline_m2m_annotationz@update.tests.AdvancedTests.test_update_ordered_by_m2m_annotation)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).zWUPDATE ... ORDER BY syntax on MySQL/MariaDB does not support ordering byrelated fields.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_m2or   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   r   r   ©r   r   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_fieldr   zPParenthesized combined queries are not supported on MySQL < 8 and MariaDB < 10.4>   zQqueries.test_qs_combinators.QuerySetSetOperationTests.test_union_in_with_orderingz]queries.test_qs_combinators.QuerySetSetOperationTests.test_union_in_subquery_related_outerrefzLqueries.test_qs_combinators.QuerySetSetOperationTests.test_union_in_subqueryz%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_skipsZ   s–    ýþÿÿýìýþÿýý÷ÿ
üü
ÿÿÿ
üü
ÿÿÿ	ÿ
ÿý
üþ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_datar   r   r   r   Ú_mysql_storage_engineÎ   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_0Ó   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_selectÛ   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_keysã   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   r0   è   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_insertò   s    z/DatabaseFeatures.can_return_columns_from_insertr3   c                 C   s   | j jd S )NÚhas_zoneinfo_databaser(   r   r   r   r   r4   þ   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_enabled  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_clauser6   c                 C   s   | j jrdS | j jdkS )NT©r   r   é   r   r   r   r   r   Ú!supports_column_check_constraints  s    z2DatabaseFeatures.supports_column_check_constraintsr9   c                 C   s$   | j jr| j j}|dkS | j jdkS )N)r   r   r   r7   r   )r   Úversionr   r   r   Ú can_introspect_check_constraints  s    z1DatabaseFeatures.can_introspect_check_constraintsc                 C   s    | j jr| j jdkS | j jdkS )Nr   ©r   r   é   r   r   r   r   r   Ú!has_select_for_update_skip_locked!  s    z2DatabaseFeatures.has_select_for_update_skip_lockedc                 C   s   | j jrdS | j jdkS )NTr<   r   r   r   r   r   Úhas_select_for_update_nowait'  s    z-DatabaseFeatures.has_select_for_update_nowaitc                 C   s   | j j o| j jdkS )Nr<   r   r   r   r   r   Úhas_select_for_update_of-  s    

þz)DatabaseFeatures.has_select_for_update_ofc                 C   s   | j jp| j jdkS )N)r   r   é   r   r   r   r   r   r%   4  s    z)DatabaseFeatures.supports_explain_analyzec                 C   s*   h d£}| j js&| j jdkr&| d¡ |S )N>   ZTRADITIONALZTEXTZJSONr7   ZTREE)r   r   r   Úadd)r   Úformatsr   r   r   Úsupported_explain_formats<  s    
z*DatabaseFeatures.supported_explain_formatsc                 C   s
   | j dkS )zI
        All storage engines except MyISAM support transactions.
        r,   r-   r   r   r   r   Úsupports_transactionsI  s    z&DatabaseFeatures.supports_transactionsrE   c                 C   s   | j jd S )NZlower_case_table_namesr(   r   r   r   r   Úignores_table_name_caseS  s    z(DatabaseFeatures.ignores_table_name_casec                 C   s
   | j j S ©Nr
   r   r   r   r   Úsupports_default_in_lead_lagW  s    z-DatabaseFeatures.supports_default_in_lead_lagc                 C   s   | j jrdS | j jdkS )NT)r   r	   r   r   r   r   r   r   Úsupports_json_field\  s    z$DatabaseFeatures.supports_json_fieldc                 C   s   | j jr| jo| jS | jS rG   )r   r   rI   r;   r   r   r   r   Úcan_introspect_json_fieldb  s    z*DatabaseFeatures.can_introspect_json_fieldc                 C   s.   | j dkrdS | jjr"| jjdkS | jjdkS )NZInnoDBF)r   r   r<   )r)   r   r   r   r   r   r   r   Úsupports_index_column_orderingh  s
    
z/DatabaseFeatures.supports_index_column_orderingc                 C   s    | j j o| jdko| j jdkS )Nr,   )r   r   é   )r   r   r)   r   r   r   r   r   Úsupports_expression_indexesp  s
    
ÿ
ýz,DatabaseFeatures.supports_expression_indexesc                 C   s   | j jr| j jdkS dS )Nr    Tr   r   r   r   r   Úcan_rename_indexx  s    z!DatabaseFeatures.can_rename_index)CÚ__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supports_update_conflictsZ(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_firstZsupports_logical_xorr   r   r   r   Ztest_now_utc_templater'   r)   r*   r+   r.   r0   r3   ÚpropertyÚoperatorÚ
attrgetterZ can_return_rows_from_bulk_insertr4   r5   r6   Z#supports_frame_range_fixed_distancer9   Z supports_table_check_constraintsr;   r>   r?   r@   r%   rD   rE   Zuses_savepointsrF   rH   rI   rJ   rK   rM   rN   Ú__classcell__r   r   r1   r   r      s¼   


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