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}g }g }|r�g }| jD ]}|� |j � q�|� d d � |� � �zJt | j d �D �]6}g }|�r||�}|�sq�i }i }t t|��D ]�}|| }||| j| j < | j| j |v �r\|| |�}|� |d u�rrt|�nd � t|�tk�r�d |v �r�d |�d d � d }||| j| j < nBt|�ttttd �tfv �r�||| j| j < nt|�|| j| j < �q"|�r|� d � |�� |� |� |� |� q�W n. t�yX } z| |�W Y d }~S d }~0 0 | �r�|�d��� }|�r�|� d|i� |�r�|� d� |D ] }|� d � dd� |D ��� �q��d| � d�7 �|�r�t�� |�d� |�r@��t� d �d��6}|���d�� |�t� |��d�� W d � n1 �s60 Y |S )Nc sr �rX�� t� d �d��,}|��� d| � d��d�� W d � n1 sJ0 Y g S td�� d| � �� � d S )Nz.errorrb z # � r[ zERROR: While executing "z": )rc r r] r^ rN )rP r_ �rX rZ ri rk rW r r � handle_error� s :z dump_query.<locals>.handle_error� # Query: rl c S s g | ]}d |� ��qS �z# r �r- �lr r r r/ � � z dump_query.<locals>.<listcomp>z# z # Started: �# � �NULL�"z\"z SHOW WARNINGS�Warningsz # Warningsc S s g | ] }t |��qS r )rO )r- r_ r r r r/ � rs �# Execution Time: z # )rZ �.yamlrb r[ ) �joinr7 r r � isoformatr4 �get_execution_timerM �columns�append� column_label�iterr5 �range�lenrO �typer r# �bool�floatr9 rd rc r r] r^ �yaml�dump_all) rW rX r3 rk rL re rf rg rh ri rj rn r1 Zexecution_timerP Zraw_outZyaml_outrY r` rD �row�entryZ raw_entry�i�field�warningsrb r_ r rm r � dump_query� s� �� 6r� )re rg ri )rW rX r3 c C s t | ||d|� �|||d�S )Nzselect * from �rg re ri )r� )rW rX r3 �tablere rg ri r r r � dump_table s �r� �re ri )rW �prefixr3 �tablesre ri r c C sF i }|D ]8}t d|� d�� t| |� t|�� �||||d�||< q|S )N� - Gathering �...r� )rN r� r! )rW r� r3 r� re ri �infor� r r r �collect_tables s � r� )re ri rj )rW r� r3 �queriesri rj c C s� i }|D ]�}t |�tu r>t|�dkr2|\} } d } qN|\} } } n||d } } } td| � d�� z4t| |� t| �� �|| |||| d�|| �dd�< W q ty� } z | jt j j fvr�� W Y d } ~ qd } ~ 0 0 q|S )N� r� r� )re ri rj rg r r ) r� r r� rN r� r! r r �coder � ErrorCodeZER_NO_BINARY_LOGGING) rW r� r3 r� re ri rj r� �q�labelrk rg rP r r r �collect_queries' s0 � r� )rW rX r3 r� c C s� | � t|�d���t}|D �]\}td|� d�� dd�dd� |�d�D �� d }|�|�d�� z�|�|�}|�d |�� � d ��d�� |�d � |�d d �dd� |j D �� d �d�� g }t |j d �D ]8} t t | ��D ]&} | | } |�| d ur�t| �nd� q�q�d �|�}|�|� d��d�� W q t�yt } z2|�d| � d��d�� td| � �� W Y d } ~ qd } ~ 0 0 qW d � n1 �s�0 Y d S )Nrb z - Executing r� ro rl c S s g | ]}d |� ��qS rp r rq r r r r/ Q rs z/collect_queries_single_file.<locals>.<listcomp>r[ ry z r\ rt ru c S s g | ] }|j �qS r )r� )r- rD r r r r/ Z rs rv z # Error: zERROR: )rc r rN r{ r7 r] r^ r4 r} r~ r� r5 r� r� r rO r ) rW rX r3 r� r_ rk rZ �resr` r� r� r� rP r r r �collect_queries_single_fileJ sH �� �� ���� r� Z host_summaryz %{TABLE}.statement_latency DESCc C s |d | d pd S )NZstatement_latencyr r �r rP r r r �<lambda>m rs r� c C s |d | d pd dkS �NZ statementsr r r� r r r r� n rs �hostZhost_summary_by_file_ioz%{TABLE}.io_latency DESCz+(e.io_latency-IFNULL(s.io_latency, 0)) DESCc C s |d | d pd dkS �NZiosr r r� r r r r� q rs Z host_summary_by_file_io_typez*%{TABLE}.host, %{TABLE}.total_latency DESCz9e.host, (e.total_latency-IFNULL(s.total_latency, 0)) DESCc C s |d | d pd dkS �N�totalr r r� r r r r� t rs zhost,event_nameZhost_summary_by_stagesc C s |d | d pd dkS r� r r� r r r r� w rs Z!host_summary_by_statement_latencyz%{TABLE}.total_latency DESCz1(e.total_latency-IFNULL(s.total_latency, 0)) DESCc C s |d | d pd dkS r� r r� r r r r� z rs Z host_summary_by_statement_typec C s |d | d pd dkS r� r r� r r r r� } rs zhost,statementZio_by_thread_by_latencyc C s |d | d pd dkS r� r r� r r r r� � rs z user,thread_id,processlist_id�io_global_by_file_by_bytesz%{TABLE}.total DESCz!(e.total-IFNULL(s.total, 0)) DESCc C s |d | d pd dkS r� r r� r r r r� � rs r* �fileZ io_global_by_file_by_latencyc C s |d | d pd dkS r� r r� r r r r� � rs �io_global_by_wait_by_bytesz %{TABLE}.total_requested DESCz5(e.total_requested-IFNULL(s.total_requested, 0)) DESCc C s |d | d pd dkS r� r r� r r r r� � rs Z event_nameZ io_global_by_wait_by_latencyc C s |d | d pd dkS r� r r� r r r r� � rs Zschema_index_statisticszf(%{TABLE}.select_latency+%{TABLE}.insert_latency+%{TABLE}.update_latency+%{TABLE}.delete_latency) DESCz�((e.select_latency+e.insert_latency+e.update_latency+e.delete_latency)-IFNULL(s.select_latency+s.insert_latency+s.update_latency+s.delete_latency, 0)) DESCc C sH |d |d |d |d | d | d | d | d p@d dkS )NZ rows_selectedZinsert_latencyZ rows_updatedZ rows_deletedZ rows_insertedr r r� r r r r� � s "��z"table_schema,table_name,index_nameZschema_table_statisticsc C s |d | d pd dkS )N� total_latencyr r r� r r r r� � rs ztable_schema,table_nameZ#schema_tables_with_full_table_scansz %{TABLE}.rows_full_scanned DESCz9(e.rows_full_scanned-IFNULL(s.rows_full_scanned, 0)) DESCc C s |d | d pd dkS )NZrows_full_scannedr r r� r r r r� � rs zobject_schema,object_nameZ user_summaryz9(e.statement_latency-IFNULL(s.statement_latency, 0)) DESCc C s |d | d pd dkS r� r r� r r r r� � rs �userZuser_summary_by_file_ioc C s |d | d pd dkS r� r r� r r r r� � rs Z user_summary_by_file_io_typez$%{TABLE}.user, %{TABLE}.latency DESCz-e.user, (e.latency-IFNULL(s.latency, 0)) DESCc C s |d | d pd dkS r� r r� r r r r� � rs zuser,event_nameZuser_summary_by_stagesz*%{TABLE}.user, %{TABLE}.total_latency DESCz9e.user, (e.total_latency-IFNULL(s.total_latency, 0)) DESCc C s |d | d pd dkS r� r r� r r r r� � rs Z!user_summary_by_statement_latencyc C s |d | d pd dkS r� r r� r r r r� � rs Z user_summary_by_statement_typec C s |d | d pd dkS r� r r� r r r r� � rs zuser,statementZ"wait_classes_global_by_avg_latencyzBIFNULL(%{TABLE}.total_latency / NULLIF(%{TABLE}.total, 0), 0) DESCzhIFNULL((e.total_latency-IFNULL(s.total_latency, 0)) / NULLIF((e.total - IFNULL(s.total, 0)), 0), 0) DESCc C s |d | d pd dkS r� r r� r r r r� � rs Z event_classZ wait_classes_global_by_latencyc C s |d | d pd dkS r� r r� r r r r� � rs Zwaits_by_host_by_latencyc C s |d | d pd dkS r� r r� r r r r� � rs z host,eventZwaits_by_user_by_latencyc C s |d | d pd dkS r� r r� r r r r� � rs z user,eventZwaits_global_by_latencyc C s |d | d pd dkS r� r r� r r r r� � rs �eventsc @ sr e Zd Zg dfeee ed�dd�Zej ed�dd�Z ej ed�dd �Z ej ee d �d d �Z ej ed�d d�ZdS )� SQLExecutorT)r3 � custom_sql� allow_phasesc C sX || _ t|�}|s*|d s"|d r*td��g | _|D ] }| j�dd� t|�D �� q4d S )Nr r� zFOption 'customSql' may not contain before:, during: or after: prefixesc S s g | ]\}}d |� �|f�qS )Zscript_r )r- r� rK r r r r/ � s �z(SQLExecutor.__init__.<locals>.<listcomp>)r3 r r r� r � enumerate)rA r3 r� r� Zphasesrr r r r rE � s � �zSQLExecutor.__init__�rW r� c C s4 | j d }|r0td� t||� d�| j|dd� d S )Nr z Executing custom sql scriptsz custom_sql-F�ri �r� rN r� r3 �rA rW r� rr r r r �execute� s �zSQLExecutor.executec C s4 | j d }|r0td� t||� d�| j|dd� d S )Nr z%Executing custom 'before' sql scriptszcustom_sql-before-Fr� r� r� r r r �execute_before� s �zSQLExecutor.execute_before�rW r� � iterationc C s: | j d }|r6td� t||� d|� d�| j|dd� d S )Nr z/Executing custom 'during' iteration sql scriptszcustom_sql-iterationr( Fr� r� )rA rW r� r� rr r r r �execute_during� s �zSQLExecutor.execute_duringc C s4 | j d }|r0td� t||� d�| j|dd� d S )Nr� z$Executing custom 'after' sql scriptszcustom_sql-after-Fr� r� r� r r r � execute_after� s �zSQLExecutor.execute_afterN)rQ rR rS r' r rO r� rE r �ZipFiler� r� r# r� r� r r r r r� � s �� r� c @ s" e Zd Zeed�dd�Zejeed�dd�Z ejee d�dd �Z e ejee d �d d �Z d d� Zejed�dd�Zejed�dd�Zdd� Zdd� Zeejed�dd�Zejed�dd �Zejeee d�d d �Zejed�d d �Zejed�d!d"�Zejeee d�d#d$�Zejed�d%d&�Zd'S )(�DiagnosticsSession)r3 � innodb_mutexc C s� || _ d | _i | _i | _i | _i | _d| _d| _|| _| j j rl| j � d�� � d | _ | j � d�� � d | _ n d| _ d| _ | j jr�dd� | j � d��� D �| _ng | _| j � d� | j � d �� � \}}|r�|d kr�| j j r�d | _| j � d � nd| _d S ) NFzFselect sys.ps_is_consumer_enabled('events_waits_history_long') = 'YES'r zpselect EXISTS(SELECT 1 FROM performance_schema.setup_instruments WHERE NAME LIKE 'memory/%' AND ENABLED = 'YES')c S s g | ]}d |d �qS )zndbinfo.r r r, r r r r/ s z/DiagnosticsSession.__init__.<locals>.<listcomp>zshow tables in ndbinfoz%set session group_concat_max_len=2048z%select @@sql_log_bin, @@binlog_formatZROWTzSET SESSION sql_log_bin = 0)r3 �pfs_instrumentation�metrics� metrics_info� status_start� status_end�pfs_instrumentation_changed�has_performance_analyzerr� r6 r4 r5 � pfs_events_wait_history_long�pfs_memory_instrumentedr= r9 �ndbinfo_tables�disabled_binlog)rA r3 r� Zlog_binZ binlog_formatr r r rE � sJ ������ � zDiagnosticsSession.__init__)rW r� r� c C s� |dv s J �| j jr8| �|� | �||� d|� d�� n|dkrHtd��| �d||�| _| �||d� | j jr�td� z d D ]}| j � |� q|d | _ W nF t y� } z.td |� d |� �� td � d| _ W Y d }~n d }~0 0 d S )N)�current�medium�fullz -applied_r( r� zAperformance_schema is disabled, instrumentation cannot be changed�startr z. - Preparing statement performance analyzer...)�4DROP TEMPORARY TABLE IF EXISTS sys.tmp_digests_startzPCALL sys.statement_performance_analyzer('create_tmp', 'tmp_digests_start', NULL)z?CALL sys.statement_performance_analyzer('snapshot', NULL, NULL)zJCALL sys.statement_performance_analyzer('save', 'tmp_digests_start', NULL)TzError executing �: z Related checks will be skippedF) r3 r6 �enable_pfs_instruments�collect_pfs_configr � fetch_statusr� �collect_metricsrN r4 r� rM )rA rW r� r� r� rP r r r r� & s, �� zDiagnosticsSession.startr� c C s | � |||� | �|||� d S rF )r� �collect_other_stats)rA rW r� r� r r r �iterateI s zDiagnosticsSession.iterate)�delayrW r� �iter_fnc sb � ����fdd�}d �_ t� }t||fd��_�j�� �j d u r^|�� |�� |�� q:d S )Nc s| | � � d�_| �� | �� d}�jsxtd� ����|d � �|� |d7 }t� �D ]}�j�d� �jrZ q"qZq"d S )NFr zCollecting metrics...r zselect sleep(1)) �acquire� end_thread�notify�releaserN r� r� r3 r4 )�condr� r �r� r� r� rA rW r r �runloopP s z4DiagnosticsSession.start_background.<locals>.runloop)�targetrL )r� r r �threadr� r� �waitr� )rA r� rW r� r� r� r� r r� r �start_backgroundM s z#DiagnosticsSession.start_backgroundc C s d| _ | j�� d S )NT)r� r� r{ rI r r r �stop_backgroundn s z"DiagnosticsSession.stop_backgroundr� c C s� | j jr�td� | �||� | �d||�| _| �||� dD ]}| j �|� q<| jr�t ||� d�| j ddd� dD ]}| j �|� qr| � ||� d S ) Nz( - Writing delta of collected metrics...�end)z-CALL sys.ps_statement_avg_latency_histogram()z%-statement_performance_analyzer-deltaziCALL sys.statement_performance_analyzer('delta', 'tmp_digests_start', 'with_runtimes_in_95th_percentile')F�re )r� z>CALL sys.statement_performance_analyzer('cleanup', NULL, NULL)) r3 r6 rN �dump_metrics_deltar� r� �dump_status_deltar4 r� r� �cleanup)rA rW r� r� r r r �finishr s$ �zDiagnosticsSession.finishc C s& | j jr| �� | jr"| j �d� d S )NzSET sql_log_bin = 1)r3 r6 �restore_pfs_instrumentsr� r4 )rA rW r� r r r r� � s zDiagnosticsSession.cleanupc C s� || _ | j�d� |dkrp| j�d��� d }|dkr>td� | jjdkr�| j�d��� d }|dkr�td� nhtd � | j�d � d | _|d kr�| j�d � | j�d� n |dkr�| j�d� | j�d� | j�d� d S )Nz1CALL sys.ps_setup_disable_thread(CONNECTION_ID())r� zKselect count(*) from performance_schema.setup_consumers where enabled='YES'r zCWARNING: performance_schema.setup_consumers is completely disabled.i�8 zIselect count(*) from performance_schema.setup_threads where enabled='YES'zAWARNING: performance_schema.setup_threads is completely disabled.z.Configuring Performance Schema InstrumentationzCALL sys.ps_setup_save(0)Tr� z�UPDATE performance_schema.setup_consumers SET ENABLED = 'YES' WHERE NAME NOT LIKE '%\_history%'z�UPDATE performance_schema.setup_instruments SET ENABLED = 'YES', TIMED = 'YES' WHERE NAME NOT LIKE 'wait/synch/%'r� zQUPDATE performance_schema.setup_consumers SET ENABLED = 'YES'zzUPDATE performance_schema.setup_instruments SET ENABLED = 'YES', TIMED = 'YES'zzUPDATE performance_schema.threads SET INSTRUMENTED = 'YES' WHERE PROCESSLIST_ID <> CONNECTION_ID())r� r3 r4 r5 rN r8 r� )rA �levelrD r r r r� � sT ���� ��� ����z)DiagnosticsSession.enable_pfs_instrumentsc C s. | j dkr*| jr*td� | j�d� d| _d S )Nr� z+Restoring Performance Schema 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s z)collect_error_log_sql.<locals>.filter_pwdz performance_schema.error_logFr� T)r8 rN r� )rW r r3 ri rK r r r �collect_error_log_sql s �rL r� )rW r� r3 ri c C s4 ddg}d|j v r |�d� t| |||d|d� d S )N)zslow queries in 95 pctilez=SELECT * FROM sys.statements_with_runtimes_in_95th_percentile)z%slow queries summary by rows examinedaG SELECT DIGEST, substr(DIGEST_TEXT, 1, 50), COUNT_STAR, SUM_ROWS_EXAMINED, SUM_ROWS_SENT, round(SUM_ROWS_SENT/SUM_ROWS_EXAMINED, 5) ratio FROM performance_schema.events_statements_summary_by_digest where DIGEST_TEXT like 'select%' and (SUM_ROWS_SENT/SUM_ROWS_EXAMINED) < .5 ORDER BY SUM_ROWS_EXAMINED/SUM_ROWS_SENT desc limit 20�slow_log)rM z SELECT * FROM mysql.slow_logTr� )r< r r� )rW r� r3 ri r� r r r �collect_slow_queries3 s � �rN )rW r� r3 c C sZ t d� |�d��� }| �t|� d��d���}|D � ]�}|d |d }}|�d|� d|� d ��d �� z8|jd ||gd ��� D ] } |�| d d �d �� q�W n� t�y( } zl|r�t d |� d|� d| � �� |�d|� d|� d| � d ��d �� n t d|� d|� d| � �� � W Y d } ~ n d } ~ 0 0 |�d� q4W d � n1 �sL0 Y d S )Nz8Collecting InnoDB Cluster accounts and grant informationzAselect user,host from mysql.user where user like 'mysql_innodb_%'zcluster_accounts.tsvrb r r z-- �@rl r[ zshow grants for ?@?)rL z"WARNING: Error getting grants for r� zCould not get grants for z ERROR: Error getting grants for r\ )rN r4 r9 rc r r] r^ rM ) rW r� r3 ri Zaccountsr_ r� r� r� r1 rP r r r � collect_innodb_cluster_accountsK s4 � � � ��rP c C s> |r t d� g d�}|r$|g d�7 }t| |� ||d|d� d S )Nz,Collecting Schema Information and Statistics))zschema tables without a PKa� SELECT t.table_schema, t.table_name, t.table_rows, t.engine, t.data_length, t.index_length FROM information_schema.tables t LEFT JOIN information_schema.statistics s on t.table_schema=s.table_schema and t.table_name=s.table_name and s.index_name='PRIMARY' WHERE s.index_name is NULL and t.table_type = 'BASE TABLE' and t.table_schema not in ('performance_schema', 'sys', 'mysql', 'information_schema'))zschema routine sizezvSELECT ROUTINE_TYPE, COUNT(*), SUM(LENGTH(ROUTINE_DEFINITION)) FROM information_schema.ROUTINES GROUP BY ROUTINE_TYPE;)zschema table countz.SELECT count(*) FROM information_schema.tables)zschema unused indexesz'SELECT * FROM sys.schema_unused_indexes))zschema object overviewz(select * from sys.schema_object_overview)zschema top biggest tablesa� select t.table_schema, t.table_name, t.row_format, t.table_rows, t.avg_row_length, t.data_length, t.max_data_length, t.index_length, t.table_collation, json_objectagg(idx.index_name, json_object('columns', idx.col, 'type', idx.index_type, 'cardinality', idx.cardinality)) indexes, group_concat((select concat(c.column_name, ':', c.column_type) from information_schema.columns c where c.table_schema = t.table_schema and c.table_name = t.table_name and c.column_type in ('blob'))) blobs from information_schema.tables t join (select s.table_schema, s.table_name, s.index_name, s.index_type, s.cardinality, json_arrayagg(concat(c.column_name, ':', c.column_type)) col from information_schema.statistics s left join information_schema.columns c on s.table_schema=c.table_schema and s.table_name=c.table_name and s.column_name=c.column_name group by s.table_schema, s.table_name, s.index_name, s.index_type, s.cardinality order by s.table_schema, s.table_name, s.index_name, s.index_type, s.cardinality) idx on idx.table_schema=t.table_schema and idx.table_name = t.table_name where t.table_type = 'BASE TABLE' and t.table_schema not in ('mysql', 'information_schema', 'performance_schema') group by t.table_schema, t.table_name, t.engine, t.row_format, t.table_rows, t.avg_row_length, t.data_length, t.max_data_length, t.index_length, t.table_collation order by t.data_length desc limit 20)zschema table enginesa> SELECT ENGINE, COUNT(*) AS NUM_TABLES, sys.format_bytes(SUM(DATA_LENGTH)) AS DATA_LENGTH, sys.format_bytes(SUM(INDEX_LENGTH)) AS INDEX_LENGTH, sys.format_bytes(SUM(DATA_LENGTH+INDEX_LENGTH)) AS TOTAL FROM information_schema.TABLES GROUP BY ENGINE)zschema table infoz'SELECT * FROM information_schema.TABLESTr� )rN r� )rW r� r3 r� ri r� r r r �collect_schema_statsi s �rQ )rW r� r3 �schemar� c C s | � t|� dt|�� dt|�� d��d����}dd� }|�d||g��� }|sttd|� d |� d �� W d � d S ||�}g }g } g } g } |d d kr�|�d t�|�� dt�|�� ���� d } �n|�dt�|�� dt�|�� ���� d } |�dt�|�� dt�|�� ��} t | jd �D ]}|� ||�� �q |�d||g�} t | jd �D ]}| � ||�� �qP|�d||g�} t | jd �D ]}| � ||�� �q�|�d||g�} t | jd �D ]}| � ||�� �q�|||| || | | d�}|� t � |��d�� W d � n1 �s 0 Y d S )Nzreferenced_table-r) rz rb c S s t �t| ��dd��S )Nrl z\n)�json�loadsrO r )r r r r � pythonize� s z%collect_table_info.<locals>.pythonizezMSELECT * FROM information_schema.tables WHERE table_schema=? AND table_name=?z WARNING: Could not find table `z`.`z.` referenced in query (try 'USE schema' first)Z TABLE_TYPEZVIEWzSHOW CREATE VIEW r zSHOW CREATE TABLE r zSHOW INDEX IN z^SELECT * FROM information_schema.triggers WHERE EVENT_OBJECT_SCHEMA=? AND EVENT_OBJECT_TABLE=?zMSELECT * FROM mysql.innodb_table_stats WHERE database_name=? AND table_name=?zMSELECT * FROM mysql.innodb_index_stats WHERE database_name=? AND table_name=?)z Table Namez Table Schemaz Table StatusZDDLZIndexesZTriggerszInnoDB Table StatszInnoDB Index Statsr[ )rc r r! r4 �fetch_one_objectrN r �quote_identifierr5 r� r r] r� �dumpr^ )rW r� r3 rR r� r_ rU Z table_statusZindexesZtriggersZ table_statsZ index_statsZddlr� r1 r� r r r �collect_table_info� s� ���� ��������� rY )rW r3 rk r� r c C s� g d�}|D ]}|� |� q t| |� d�|d|� �ddd� t| |� d�|ddd � d g}|D ]}|� |� q^d d |� �fg}|jd kr�|�dd|� �f� t| |||dd�S )N)�(SET SESSION optimizer_trace='enabled=on'z SET optimizer_trace_offset=-1zSET optimizer_trace_limit=1Zexplain�EXPLAIN FTr zexplain-optimizer_trace�0SELECT * FROM information_schema.optimizer_tracer� �)SET SESSION optimizer_trace='enabled=off'Z explain_jsonzEXPLAIN format=json i�8 Zexplain_analyzezEXPLAIN ANALYZE )rj )r4 r� r8 r r� )rW r3 rk r� �beforer� �afterr� r r r � explain_query� s. �� r` )rW r3 rk r� c C s@ ddd|� �ddddd|� �ddd d g }t | |� d �||� d S ) Nz#SET SESSION use_secondary_engine=ONz SELECT NOW()r[ z!SHOW SESSION STATUS LIKE 'rapid%'rZ z SET optimizer_trace_offset=-2z~SELECT query, trace->'$**.Rapid_Offload_Fails', trace->'$**.secondary_engine_not_used' FROM information_schema.optimizer_tracer\ z$SET SESSION use_secondary_engine=OFFr] zexplain-rapid.txt)r� )rW r3 rk r� r� r r r �explain_heatwave_query s ��ra )rV )F)FF)4Zmultiprocessingr � threadingr �mysqlshr r �typingr r r r r� rS r r � host_infor r rO r r r! r% r& r' r� rU rd r� r� r� �dictr� r� r� r� r� r� r# r� rA rB rG rJ rL rN rP rQ rY r` ra r r r r �<module> s� B��� c�� �� �� #� " � � � � � � � � � � �� � � � � � � � � � � � � ��R< &�� 7�� � 7 � �� �� ! �� 9� I� �
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