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4e1678daca
Before this fix, the performance schema tables were defined in UPPERCASE. This was incompatible with the lowercase_table_names option, and caused issues with the install / upgrade process, when changing the lower case table names setting *after* the install or upgrade. With this fix, all performance schema tables are exposed with lowercase names. As a result, the name of the performance schema table is always lowercase, no matter how / if / when the lowercase_table_names setting if changed.
190 lines
6.8 KiB
Plaintext
190 lines
6.8 KiB
Plaintext
select TABLE_SCHEMA, lower(TABLE_NAME), TABLE_CATALOG
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from information_schema.tables
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where TABLE_SCHEMA='performance_schema';
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TABLE_SCHEMA lower(TABLE_NAME) TABLE_CATALOG
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performance_schema cond_instances def
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performance_schema events_waits_current def
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performance_schema events_waits_history def
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performance_schema events_waits_history_long def
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performance_schema events_waits_summary_by_instance def
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performance_schema events_waits_summary_by_thread_by_event_name def
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performance_schema events_waits_summary_global_by_event_name def
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performance_schema file_instances def
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performance_schema file_summary_by_event_name def
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performance_schema file_summary_by_instance def
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performance_schema mutex_instances def
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performance_schema performance_timers def
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performance_schema rwlock_instances def
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performance_schema setup_consumers def
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performance_schema setup_instruments def
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performance_schema setup_timers def
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performance_schema threads def
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select lower(TABLE_NAME), TABLE_TYPE, ENGINE
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from information_schema.tables
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where TABLE_SCHEMA='performance_schema';
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lower(TABLE_NAME) TABLE_TYPE ENGINE
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cond_instances BASE TABLE PERFORMANCE_SCHEMA
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events_waits_current BASE TABLE PERFORMANCE_SCHEMA
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events_waits_history BASE TABLE PERFORMANCE_SCHEMA
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events_waits_history_long BASE TABLE PERFORMANCE_SCHEMA
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events_waits_summary_by_instance BASE TABLE PERFORMANCE_SCHEMA
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events_waits_summary_by_thread_by_event_name BASE TABLE PERFORMANCE_SCHEMA
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events_waits_summary_global_by_event_name BASE TABLE PERFORMANCE_SCHEMA
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file_instances BASE TABLE PERFORMANCE_SCHEMA
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file_summary_by_event_name BASE TABLE PERFORMANCE_SCHEMA
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file_summary_by_instance BASE TABLE PERFORMANCE_SCHEMA
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mutex_instances BASE TABLE PERFORMANCE_SCHEMA
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performance_timers BASE TABLE PERFORMANCE_SCHEMA
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rwlock_instances BASE TABLE PERFORMANCE_SCHEMA
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setup_consumers BASE TABLE PERFORMANCE_SCHEMA
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setup_instruments BASE TABLE PERFORMANCE_SCHEMA
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setup_timers BASE TABLE PERFORMANCE_SCHEMA
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threads BASE TABLE PERFORMANCE_SCHEMA
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select lower(TABLE_NAME), VERSION, ROW_FORMAT
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from information_schema.tables
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where TABLE_SCHEMA='performance_schema';
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lower(TABLE_NAME) VERSION ROW_FORMAT
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cond_instances 10 Dynamic
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events_waits_current 10 Dynamic
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events_waits_history 10 Dynamic
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events_waits_history_long 10 Dynamic
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events_waits_summary_by_instance 10 Dynamic
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events_waits_summary_by_thread_by_event_name 10 Dynamic
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events_waits_summary_global_by_event_name 10 Dynamic
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file_instances 10 Dynamic
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file_summary_by_event_name 10 Dynamic
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file_summary_by_instance 10 Dynamic
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mutex_instances 10 Dynamic
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performance_timers 10 Fixed
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rwlock_instances 10 Dynamic
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setup_consumers 10 Dynamic
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setup_instruments 10 Dynamic
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setup_timers 10 Dynamic
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threads 10 Dynamic
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select lower(TABLE_NAME), TABLE_ROWS, AVG_ROW_LENGTH
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from information_schema.tables
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where TABLE_SCHEMA='performance_schema';
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lower(TABLE_NAME) TABLE_ROWS AVG_ROW_LENGTH
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cond_instances 1000 0
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events_waits_current 1000 0
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events_waits_history 1000 0
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events_waits_history_long 10000 0
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events_waits_summary_by_instance 1000 0
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events_waits_summary_by_thread_by_event_name 1000 0
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events_waits_summary_global_by_event_name 1000 0
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file_instances 1000 0
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file_summary_by_event_name 1000 0
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file_summary_by_instance 1000 0
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mutex_instances 1000 0
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performance_timers 5 0
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rwlock_instances 1000 0
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setup_consumers 8 0
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setup_instruments 1000 0
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setup_timers 1 0
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threads 1000 0
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select lower(TABLE_NAME), DATA_LENGTH, MAX_DATA_LENGTH
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from information_schema.tables
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where TABLE_SCHEMA='performance_schema';
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lower(TABLE_NAME) DATA_LENGTH MAX_DATA_LENGTH
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cond_instances 0 0
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events_waits_current 0 0
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events_waits_history 0 0
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events_waits_history_long 0 0
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events_waits_summary_by_instance 0 0
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events_waits_summary_by_thread_by_event_name 0 0
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events_waits_summary_global_by_event_name 0 0
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file_instances 0 0
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file_summary_by_event_name 0 0
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file_summary_by_instance 0 0
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mutex_instances 0 0
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performance_timers 0 0
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rwlock_instances 0 0
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setup_consumers 0 0
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setup_instruments 0 0
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setup_timers 0 0
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threads 0 0
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select lower(TABLE_NAME), INDEX_LENGTH, DATA_FREE, AUTO_INCREMENT
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from information_schema.tables
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where TABLE_SCHEMA='performance_schema';
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lower(TABLE_NAME) INDEX_LENGTH DATA_FREE AUTO_INCREMENT
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cond_instances 0 0 NULL
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events_waits_current 0 0 NULL
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events_waits_history 0 0 NULL
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events_waits_history_long 0 0 NULL
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events_waits_summary_by_instance 0 0 NULL
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events_waits_summary_by_thread_by_event_name 0 0 NULL
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events_waits_summary_global_by_event_name 0 0 NULL
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file_instances 0 0 NULL
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file_summary_by_event_name 0 0 NULL
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file_summary_by_instance 0 0 NULL
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mutex_instances 0 0 NULL
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performance_timers 0 0 NULL
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rwlock_instances 0 0 NULL
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setup_consumers 0 0 NULL
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setup_instruments 0 0 NULL
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setup_timers 0 0 NULL
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threads 0 0 NULL
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select lower(TABLE_NAME), CREATE_TIME, UPDATE_TIME, CHECK_TIME
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from information_schema.tables
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where TABLE_SCHEMA='performance_schema';
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lower(TABLE_NAME) CREATE_TIME UPDATE_TIME CHECK_TIME
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cond_instances NULL NULL NULL
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events_waits_current NULL NULL NULL
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events_waits_history NULL NULL NULL
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events_waits_history_long NULL NULL NULL
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events_waits_summary_by_instance NULL NULL NULL
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events_waits_summary_by_thread_by_event_name NULL NULL NULL
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events_waits_summary_global_by_event_name NULL NULL NULL
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file_instances NULL NULL NULL
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file_summary_by_event_name NULL NULL NULL
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file_summary_by_instance NULL NULL NULL
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mutex_instances NULL NULL NULL
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performance_timers NULL NULL NULL
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rwlock_instances NULL NULL NULL
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setup_consumers NULL NULL NULL
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setup_instruments NULL NULL NULL
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setup_timers NULL NULL NULL
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threads NULL NULL NULL
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select lower(TABLE_NAME), TABLE_COLLATION, CHECKSUM
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from information_schema.tables
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where TABLE_SCHEMA='performance_schema';
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lower(TABLE_NAME) TABLE_COLLATION CHECKSUM
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cond_instances utf8_general_ci NULL
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events_waits_current utf8_general_ci NULL
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events_waits_history utf8_general_ci NULL
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events_waits_history_long utf8_general_ci NULL
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events_waits_summary_by_instance utf8_general_ci NULL
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events_waits_summary_by_thread_by_event_name utf8_general_ci NULL
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events_waits_summary_global_by_event_name utf8_general_ci NULL
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file_instances utf8_general_ci NULL
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file_summary_by_event_name utf8_general_ci NULL
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file_summary_by_instance utf8_general_ci NULL
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mutex_instances utf8_general_ci NULL
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performance_timers utf8_general_ci NULL
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rwlock_instances utf8_general_ci NULL
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setup_consumers utf8_general_ci NULL
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setup_instruments utf8_general_ci NULL
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setup_timers utf8_general_ci NULL
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threads utf8_general_ci NULL
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select lower(TABLE_NAME), TABLE_COMMENT
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from information_schema.tables
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where TABLE_SCHEMA='performance_schema';
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lower(TABLE_NAME) TABLE_COMMENT
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cond_instances
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events_waits_current
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events_waits_history
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events_waits_history_long
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events_waits_summary_by_instance
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events_waits_summary_by_thread_by_event_name
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events_waits_summary_global_by_event_name
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file_instances
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file_summary_by_event_name
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file_summary_by_instance
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mutex_instances
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performance_timers
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rwlock_instances
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setup_consumers
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setup_instruments
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setup_timers
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threads
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