Preface
 
    We used to use "find" command in linux or AIX when we need to get a certain file but cannot rember the precise name.We will execute "find /pathtobegin -name xxx" in our OS prompt.Is there any tool can find a specific table of MySQL database which similarly as "find" does?
 
Introduce
 
    pt-find is a very useful tool to find out a sepcific table with a condition you've specified.It even can execute a sql operation when finding it simutaneously.
 
Procedure
 
Usage
 pt-find [OPTIONS] [DATABASES]

Common parameters

 Options:

 --day-start //Specify the meassure mothed of time when using "--cmin,--mmin,--ctime,--mtime,etc".

 --or //Change the combination test behavior as "or" instead of default "and".

 Actions:

 --exec //Specify the executing sql statement with each item found.

 --exec-plus //Specify the executing sql statement with all items at once.

 --print //Print the target database and table name.

 --printf //Print with a certain format.

 Tests:

 --autoinc //Speicfy a value of auto_increment to test whether has auto_inrcrement column.

 --avgrowlen //Specify the average

 --cmin //Specify the target table created n minutes ago.

 --ctime //Specify the target table created n days ago.

 --mmin //Specify the target table modified n minutes ago.

 --mtime //Specify the target table modified n days ago.

 --kmim //Specify the target table checked n minutes ago.

 --ktime //Specify the target table checked n days ago.

 --rowformat //Specify the row format of tables to match pattern.

 --rows //Specify the rows the table contains.

 --tablesize //Specify the size the table is.

 --empty //Specify the talbe which has no rows.

 --engines //Specify the engine of tabls.
Example
 
Find out all tables in all databases.
 [root@zlm2 :: /data/mysql/mysql3308/data]

 #pt-find -h192.168.1. -P3308 -uzlm -pzlmzlm

 `mysql`.`columns_priv`

 `mysql`.`db`

 `mysql`.`engine_cost`

 `mysql`.`event`

 `mysql`.`func`

 `mysql`.`general_log`

 `mysql`.`gtid_executed`

 `mysql`.`help_category`

 `mysql`.`help_keyword`

 `mysql`.`help_relation`

 `mysql`.`help_topic`

 `mysql`.`innodb_index_stats`

 `mysql`.`innodb_table_stats`

 `mysql`.`ndb_binlog_index`

 `mysql`.`plugin`

 `mysql`.`proc`

 `mysql`.`procs_priv`

 `mysql`.`proxies_priv`

 `mysql`.`server_cost`

 `mysql`.`servers`

 `mysql`.`slave_master_info`

 `mysql`.`slave_relay_log_info`

 `mysql`.`slave_worker_info`

 `mysql`.`slow_log`

 `mysql`.`tables_priv`

 `mysql`.`time_zone`

 `mysql`.`time_zone_leap_second`

 `mysql`.`time_zone_name`

 `mysql`.`time_zone_transition`

 `mysql`.`time_zone_transition_type`

 `mysql`.`user`

 `performance_schema`.`accounts`

 `performance_schema`.`cond_instances`

 `performance_schema`.`events_stages_current`

 `performance_schema`.`events_stages_history`

 `performance_schema`.`events_stages_history_long`

 `performance_schema`.`events_stages_summary_by_account_by_event_name`

 `performance_schema`.`events_stages_summary_by_host_by_event_name`

 `performance_schema`.`events_stages_summary_by_thread_by_event_name`

 `performance_schema`.`events_stages_summary_by_user_by_event_name`

 `performance_schema`.`events_stages_summary_global_by_event_name`

 `performance_schema`.`events_statements_current`

 `performance_schema`.`events_statements_history`

 `performance_schema`.`events_statements_history_long`

 `performance_schema`.`events_statements_summary_by_account_by_event_name`

 `performance_schema`.`events_statements_summary_by_digest`

 `performance_schema`.`events_statements_summary_by_host_by_event_name`

 `performance_schema`.`events_statements_summary_by_program`

 `performance_schema`.`events_statements_summary_by_thread_by_event_name`

 `performance_schema`.`events_statements_summary_by_user_by_event_name`

 `performance_schema`.`events_statements_summary_global_by_event_name`

 `performance_schema`.`events_transactions_current`

 `performance_schema`.`events_transactions_history`

 `performance_schema`.`events_transactions_history_long`

 `performance_schema`.`events_transactions_summary_by_account_by_event_name`

 `performance_schema`.`events_transactions_summary_by_host_by_event_name`

 `performance_schema`.`events_transactions_summary_by_thread_by_event_name`

 `performance_schema`.`events_transactions_summary_by_user_by_event_name`

 `performance_schema`.`events_transactions_summary_global_by_event_name`

 `performance_schema`.`events_waits_current`

 `performance_schema`.`events_waits_history`

 `performance_schema`.`events_waits_history_long`

 `performance_schema`.`events_waits_summary_by_account_by_event_name`

 `performance_schema`.`events_waits_summary_by_host_by_event_name`

 `performance_schema`.`events_waits_summary_by_instance`

 `performance_schema`.`events_waits_summary_by_thread_by_event_name`

 `performance_schema`.`events_waits_summary_by_user_by_event_name`

 `performance_schema`.`events_waits_summary_global_by_event_name`

 `performance_schema`.`file_instances`

 `performance_schema`.`file_summary_by_event_name`

 `performance_schema`.`file_summary_by_instance`

 `performance_schema`.`global_status`

 `performance_schema`.`global_variables`

 `performance_schema`.`host_cache`

 `performance_schema`.`hosts`

 `performance_schema`.`memory_summary_by_account_by_event_name`

 `performance_schema`.`memory_summary_by_host_by_event_name`

 `performance_schema`.`memory_summary_by_thread_by_event_name`

 `performance_schema`.`memory_summary_by_user_by_event_name`

 `performance_schema`.`memory_summary_global_by_event_name`

 `performance_schema`.`metadata_locks`

 `performance_schema`.`mutex_instances`

 `performance_schema`.`objects_summary_global_by_type`

 `performance_schema`.`performance_timers`

 `performance_schema`.`prepared_statements_instances`

 `performance_schema`.`pxc_cluster_view`

 `performance_schema`.`replication_applier_configuration`

 `performance_schema`.`replication_applier_status`

 `performance_schema`.`replication_applier_status_by_coordinator`

 `performance_schema`.`replication_applier_status_by_worker`

 `performance_schema`.`replication_connection_configuration`

 `performance_schema`.`replication_connection_status`

 `performance_schema`.`replication_group_member_stats`

 `performance_schema`.`replication_group_members`

 `performance_schema`.`rwlock_instances`

 `performance_schema`.`session_account_connect_attrs`

 `performance_schema`.`session_connect_attrs`

 `performance_schema`.`session_status`

 `performance_schema`.`session_variables`

 `performance_schema`.`setup_actors`

 `performance_schema`.`setup_consumers`

 `performance_schema`.`setup_instruments`

 `performance_schema`.`setup_objects`

 `performance_schema`.`setup_timers`

 `performance_schema`.`socket_instances`

 `performance_schema`.`socket_summary_by_event_name`

 `performance_schema`.`socket_summary_by_instance`

 `performance_schema`.`status_by_account`

 `performance_schema`.`status_by_host`

 `performance_schema`.`status_by_thread`

 `performance_schema`.`status_by_user`

 `performance_schema`.`table_handles`

 `performance_schema`.`table_io_waits_summary_by_index_usage`

 `performance_schema`.`table_io_waits_summary_by_table`

 `performance_schema`.`table_lock_waits_summary_by_table`

 `performance_schema`.`threads`

 `performance_schema`.`user_variables_by_thread`

 `performance_schema`.`users`

 `performance_schema`.`variables_by_thread`

 `sys`.`host_summary`

 `sys`.`host_summary_by_file_io`

 `sys`.`host_summary_by_file_io_type`

 `sys`.`host_summary_by_stages`

 `sys`.`host_summary_by_statement_latency`

 `sys`.`host_summary_by_statement_type`

 `sys`.`innodb_buffer_stats_by_schema`

 `sys`.`innodb_buffer_stats_by_table`

 `sys`.`innodb_lock_waits`

 `sys`.`io_by_thread_by_latency`

 `sys`.`io_global_by_file_by_bytes`

 `sys`.`io_global_by_file_by_latency`

 `sys`.`io_global_by_wait_by_bytes`

 `sys`.`io_global_by_wait_by_latency`

 `sys`.`latest_file_io`

 `sys`.`memory_by_host_by_current_bytes`

 `sys`.`memory_by_thread_by_current_bytes`

 `sys`.`memory_by_user_by_current_bytes`

 `sys`.`memory_global_by_current_bytes`

 `sys`.`memory_global_total`

 `sys`.`metrics`

 `sys`.`processlist`

 `sys`.`ps_check_lost_instrumentation`

 `sys`.`schema_auto_increment_columns`

 `sys`.`schema_index_statistics`

 `sys`.`schema_object_overview`

 `sys`.`schema_redundant_indexes`

 `sys`.`schema_table_lock_waits`

 `sys`.`schema_table_statistics`

 `sys`.`schema_table_statistics_with_buffer`

 `sys`.`schema_tables_with_full_table_scans`

 `sys`.`schema_unused_indexes`

 `sys`.`session`

 `sys`.`session_ssl_status`

 `sys`.`statement_analysis`

 `sys`.`statements_with_errors_or_warnings`

 `sys`.`statements_with_full_table_scans`

 `sys`.`statements_with_runtimes_in_95th_percentile`

 `sys`.`statements_with_sorting`

 `sys`.`statements_with_temp_tables`

 `sys`.`sys_config`

 `sys`.`user_summary`

 `sys`.`user_summary_by_file_io`

 `sys`.`user_summary_by_file_io_type`

 `sys`.`user_summary_by_stages`

 `sys`.`user_summary_by_statement_latency`

 `sys`.`user_summary_by_statement_type`

 `sys`.`version`

 `sys`.`wait_classes_global_by_avg_latency`

 `sys`.`wait_classes_global_by_latency`

 `sys`.`waits_by_host_by_latency`

 `sys`.`waits_by_user_by_latency`

 `sys`.`waits_global_by_latency`

 `sys`.`x$host_summary`

 `sys`.`x$host_summary_by_file_io`

 `sys`.`x$host_summary_by_file_io_type`

 `sys`.`x$host_summary_by_stages`

 `sys`.`x$host_summary_by_statement_latency`

 `sys`.`x$host_summary_by_statement_type`

 `sys`.`x$innodb_buffer_stats_by_schema`

 `sys`.`x$innodb_buffer_stats_by_table`

 `sys`.`x$innodb_lock_waits`

 `sys`.`x$io_by_thread_by_latency`

 `sys`.`x$io_global_by_file_by_bytes`

 `sys`.`x$io_global_by_file_by_latency`

 `sys`.`x$io_global_by_wait_by_bytes`

 `sys`.`x$io_global_by_wait_by_latency`

 `sys`.`x$latest_file_io`

 `sys`.`x$memory_by_host_by_current_bytes`

 `sys`.`x$memory_by_thread_by_current_bytes`

 `sys`.`x$memory_by_user_by_current_bytes`

 `sys`.`x$memory_global_by_current_bytes`

 `sys`.`x$memory_global_total`

 `sys`.`x$processlist`

 `sys`.`x$ps_digest_95th_percentile_by_avg_us`

 `sys`.`x$ps_digest_avg_latency_distribution`

 `sys`.`x$ps_schema_table_statistics_io`

 `sys`.`x$schema_flattened_keys`

 `sys`.`x$schema_index_statistics`

 `sys`.`x$schema_table_lock_waits`

 `sys`.`x$schema_table_statistics`

 `sys`.`x$schema_table_statistics_with_buffer`

 `sys`.`x$schema_tables_with_full_table_scans`

 `sys`.`x$session`

 `sys`.`x$statement_analysis`

 `sys`.`x$statements_with_errors_or_warnings`

 `sys`.`x$statements_with_full_table_scans`

 `sys`.`x$statements_with_runtimes_in_95th_percentile`

 `sys`.`x$statements_with_sorting`

 `sys`.`x$statements_with_temp_tables`

 `sys`.`x$user_summary`

 `sys`.`x$user_summary_by_file_io`

 `sys`.`x$user_summary_by_file_io_type`

 `sys`.`x$user_summary_by_stages`

 `sys`.`x$user_summary_by_statement_latency`

 `sys`.`x$user_summary_by_statement_type`

 `sys`.`x$wait_classes_global_by_avg_latency`

 `sys`.`x$wait_classes_global_by_latency`

 `sys`.`x$waits_by_host_by_latency`

 `sys`.`x$waits_by_user_by_latency`

 `sys`.`x$waits_global_by_latency`

 `zlm`.`t1`

 `zlm`.`t2`

 //It shows all the tables in all databases one line each table.

Find out all the MyISAM tables.

 [root@zlm2 :: /data/mysql/mysql3308/data]

 #pt-find -h192.168.1. -P3308 -uzlm -pzlmzlm --engine=MyISAM

 `mysql`.`columns_priv`

 `mysql`.`db`

 `mysql`.`event`

 `mysql`.`func`

 `mysql`.`ndb_binlog_index`

 `mysql`.`proc`

 `mysql`.`procs_priv`

 `mysql`.`proxies_priv`

 `mysql`.`tables_priv`

 `mysql`.`user`

Find out all the tables in database "zlm" which does not have auto_increment column.

 [root@zlm2 :: /data/mysql/mysql3308/data]

 #pt-find -h192.168.1. -P3308 -uzlm -pzlmzlm --dblike=zlm --autoinc=

 `zlm`.`t1`

 `zlm`.`t2`

Find out all the tables which is empty.

 [root@zlm2 :: /data/mysql/mysql3308/data]

 #pt-find -h192.168.1. -P3308 -uzlm -pzlmzlm --empty

 `mysql`.`columns_priv`

 `mysql`.`event`

 `mysql`.`func`

 `mysql`.`ndb_binlog_index`

 `mysql`.`plugin`

 `mysql`.`procs_priv`

 `mysql`.`servers`

 `mysql`.`slave_master_info`

 `mysql`.`slave_relay_log_info`

 `mysql`.`slave_worker_info`

 `mysql`.`time_zone`

 `mysql`.`time_zone_leap_second`

 `mysql`.`time_zone_name`

 `mysql`.`time_zone_transition`

 `mysql`.`time_zone_transition_type`

 `performance_schema`.`metadata_locks`

 `performance_schema`.`prepared_statements_instances`

 `performance_schema`.`replication_group_member_stats`

 `performance_schema`.`replication_group_members`

Find out all the tables sorted descendingly by size.

 [root@zlm2 :: /data/mysql/mysql3308/data]

 #pt-find -h192.168.1. -P3308 -uzlm -pzlmzlm --printf "%T\t%D.%N\n" | sort -rn

     `mysql`.`help_topic`

     `mysql`.`proc`

     `mysql`.`help_keyword`

     `mysql`.`help_relation`

     `mysql`.`help_category`

     `zlm`.`t2`

     `zlm`.`t1`

     `sys`.`sys_config`

     `mysql`.`time_zone_transition_type`

     `mysql`.`time_zone_transition`

     `mysql`.`time_zone_name`

     `mysql`.`time_zone_leap_second`

     `mysql`.`time_zone`

     `mysql`.`slave_worker_info`

     `mysql`.`slave_relay_log_info`

     `mysql`.`slave_master_info`

     `mysql`.`servers`

     `mysql`.`server_cost`

     `mysql`.`plugin`

     `mysql`.`innodb_table_stats`

     `mysql`.`innodb_index_stats`

     `mysql`.`gtid_executed`

     `mysql`.`engine_cost`

     `mysql`.`tables_priv`

     `mysql`.`proxies_priv`

     `mysql`.`db`

     `mysql`.`user`

     `mysql`.`procs_priv`

     `mysql`.`columns_priv`

     `mysql`.`event`

     `mysql`.`ndb_binlog_index`

     `mysql`.`func`

     `sys`.`x$waits_global_by_latency`

     `sys`.`x$waits_by_user_by_latency`

     `sys`.`x$waits_by_host_by_latency`

     `sys`.`x$wait_classes_global_by_latency`

     `sys`.`x$wait_classes_global_by_avg_latency`

     `sys`.`x$user_summary_by_statement_type`

     `sys`.`x$user_summary_by_statement_latency`

     `sys`.`x$user_summary_by_stages`

     `sys`.`x$user_summary_by_file_io_type`

     `sys`.`x$user_summary_by_file_io`

     `sys`.`x$user_summary`

     `sys`.`x$statements_with_temp_tables`

     `sys`.`x$statements_with_sorting`

     `sys`.`x$statements_with_runtimes_in_95th_percentile`

     `sys`.`x$statements_with_full_table_scans`

     `sys`.`x$statements_with_errors_or_warnings`

     `sys`.`x$statement_analysis`

     `sys`.`x$session`

     `sys`.`x$schema_tables_with_full_table_scans`

     `sys`.`x$schema_table_statistics_with_buffer`

     `sys`.`x$schema_table_statistics`

     `sys`.`x$schema_table_lock_waits`

     `sys`.`x$schema_index_statistics`

     `sys`.`x$schema_flattened_keys`

     `sys`.`x$ps_schema_table_statistics_io`

     `sys`.`x$ps_digest_avg_latency_distribution`

     `sys`.`x$ps_digest_95th_percentile_by_avg_us`

     `sys`.`x$processlist`

     `sys`.`x$memory_global_total`

     `sys`.`x$memory_global_by_current_bytes`

     `sys`.`x$memory_by_user_by_current_bytes`

     `sys`.`x$memory_by_thread_by_current_bytes`

     `sys`.`x$memory_by_host_by_current_bytes`

     `sys`.`x$latest_file_io`

     `sys`.`x$io_global_by_wait_by_latency`

     `sys`.`x$io_global_by_wait_by_bytes`

     `sys`.`x$io_global_by_file_by_latency`

     `sys`.`x$io_global_by_file_by_bytes`

     `sys`.`x$io_by_thread_by_latency`

     `sys`.`x$innodb_lock_waits`

     `sys`.`x$innodb_buffer_stats_by_table`

     `sys`.`x$innodb_buffer_stats_by_schema`

     `sys`.`x$host_summary_by_statement_type`

     `sys`.`x$host_summary_by_statement_latency`

     `sys`.`x$host_summary_by_stages`

     `sys`.`x$host_summary_by_file_io_type`

     `sys`.`x$host_summary_by_file_io`

     `sys`.`x$host_summary`

     `sys`.`waits_global_by_latency`

     `sys`.`waits_by_user_by_latency`

     `sys`.`waits_by_host_by_latency`

     `sys`.`wait_classes_global_by_latency`

     `sys`.`wait_classes_global_by_avg_latency`

     `sys`.`version`

     `sys`.`user_summary_by_statement_type`

     `sys`.`user_summary_by_statement_latency`

     `sys`.`user_summary_by_stages`

     `sys`.`user_summary_by_file_io_type`

     `sys`.`user_summary_by_file_io`

     `sys`.`user_summary`

     `sys`.`statements_with_temp_tables`

     `sys`.`statements_with_sorting`

     `sys`.`statements_with_runtimes_in_95th_percentile`

     `sys`.`statements_with_full_table_scans`

     `sys`.`statements_with_errors_or_warnings`

     `sys`.`statement_analysis`

     `sys`.`session_ssl_status`

     `sys`.`session`

     `sys`.`schema_unused_indexes`

     `sys`.`schema_tables_with_full_table_scans`

     `sys`.`schema_table_statistics_with_buffer`

     `sys`.`schema_table_statistics`

     `sys`.`schema_table_lock_waits`

     `sys`.`schema_redundant_indexes`

     `sys`.`schema_object_overview`

     `sys`.`schema_index_statistics`

     `sys`.`schema_auto_increment_columns`

     `sys`.`ps_check_lost_instrumentation`

     `sys`.`processlist`

     `sys`.`metrics`

     `sys`.`memory_global_total`

     `sys`.`memory_global_by_current_bytes`

     `sys`.`memory_by_user_by_current_bytes`

     `sys`.`memory_by_thread_by_current_bytes`

     `sys`.`memory_by_host_by_current_bytes`

     `sys`.`latest_file_io`

     `sys`.`io_global_by_wait_by_latency`

     `sys`.`io_global_by_wait_by_bytes`

     `sys`.`io_global_by_file_by_latency`

     `sys`.`io_global_by_file_by_bytes`

     `sys`.`io_by_thread_by_latency`

     `sys`.`innodb_lock_waits`

     `sys`.`innodb_buffer_stats_by_table`

     `sys`.`innodb_buffer_stats_by_schema`

     `sys`.`host_summary_by_statement_type`

     `sys`.`host_summary_by_statement_latency`

     `sys`.`host_summary_by_stages`

     `sys`.`host_summary_by_file_io_type`

     `sys`.`host_summary_by_file_io`

     `sys`.`host_summary`

     `performance_schema`.`variables_by_thread`

     `performance_schema`.`user_variables_by_thread`

     `performance_schema`.`users`

     `performance_schema`.`threads`

     `performance_schema`.`table_lock_waits_summary_by_table`

     `performance_schema`.`table_io_waits_summary_by_table`

     `performance_schema`.`table_io_waits_summary_by_index_usage`

     `performance_schema`.`table_handles`

     `performance_schema`.`status_by_user`

     `performance_schema`.`status_by_thread`

     `performance_schema`.`status_by_host`

     `performance_schema`.`status_by_account`

     `performance_schema`.`socket_summary_by_instance`

     `performance_schema`.`socket_summary_by_event_name`

     `performance_schema`.`socket_instances`

     `performance_schema`.`setup_timers`

     `performance_schema`.`setup_objects`

     `performance_schema`.`setup_instruments`

     `performance_schema`.`setup_consumers`

     `performance_schema`.`setup_actors`

     `performance_schema`.`session_variables`

     `performance_schema`.`session_status`

     `performance_schema`.`session_connect_attrs`

     `performance_schema`.`session_account_connect_attrs`

     `performance_schema`.`rwlock_instances`

     `performance_schema`.`replication_group_member_stats`

     `performance_schema`.`replication_group_members`

     `performance_schema`.`replication_connection_status`

     `performance_schema`.`replication_connection_configuration`

     `performance_schema`.`replication_applier_status_by_worker`

     `performance_schema`.`replication_applier_status_by_coordinator`

     `performance_schema`.`replication_applier_status`

     `performance_schema`.`replication_applier_configuration`

     `performance_schema`.`pxc_cluster_view`

     `performance_schema`.`prepared_statements_instances`

     `performance_schema`.`performance_timers`

     `performance_schema`.`objects_summary_global_by_type`

     `performance_schema`.`mutex_instances`

     `performance_schema`.`metadata_locks`

     `performance_schema`.`memory_summary_global_by_event_name`

     `performance_schema`.`memory_summary_by_user_by_event_name`

     `performance_schema`.`memory_summary_by_thread_by_event_name`

     `performance_schema`.`memory_summary_by_host_by_event_name`

     `performance_schema`.`memory_summary_by_account_by_event_name`

     `performance_schema`.`hosts`

     `performance_schema`.`host_cache`

     `performance_schema`.`global_variables`

     `performance_schema`.`global_status`

     `performance_schema`.`file_summary_by_instance`

     `performance_schema`.`file_summary_by_event_name`

     `performance_schema`.`file_instances`

     `performance_schema`.`events_waits_summary_global_by_event_name`

     `performance_schema`.`events_waits_summary_by_user_by_event_name`

     `performance_schema`.`events_waits_summary_by_thread_by_event_name`

     `performance_schema`.`events_waits_summary_by_instance`

     `performance_schema`.`events_waits_summary_by_host_by_event_name`

     `performance_schema`.`events_waits_summary_by_account_by_event_name`

     `performance_schema`.`events_waits_history_long`

     `performance_schema`.`events_waits_history`

     `performance_schema`.`events_waits_current`

     `performance_schema`.`events_transactions_summary_global_by_event_name`

     `performance_schema`.`events_transactions_summary_by_user_by_event_name`

     `performance_schema`.`events_transactions_summary_by_thread_by_event_name`

     `performance_schema`.`events_transactions_summary_by_host_by_event_name`

     `performance_schema`.`events_transactions_summary_by_account_by_event_name`

     `performance_schema`.`events_transactions_history_long`

     `performance_schema`.`events_transactions_history`

     `performance_schema`.`events_transactions_current`

     `performance_schema`.`events_statements_summary_global_by_event_name`

     `performance_schema`.`events_statements_summary_by_user_by_event_name`

     `performance_schema`.`events_statements_summary_by_thread_by_event_name`

     `performance_schema`.`events_statements_summary_by_program`

     `performance_schema`.`events_statements_summary_by_host_by_event_name`

     `performance_schema`.`events_statements_summary_by_digest`

     `performance_schema`.`events_statements_summary_by_account_by_event_name`

     `performance_schema`.`events_statements_history_long`

     `performance_schema`.`events_statements_history`

     `performance_schema`.`events_statements_current`

     `performance_schema`.`events_stages_summary_global_by_event_name`

     `performance_schema`.`events_stages_summary_by_user_by_event_name`

     `performance_schema`.`events_stages_summary_by_thread_by_event_name`

     `performance_schema`.`events_stages_summary_by_host_by_event_name`

     `performance_schema`.`events_stages_summary_by_account_by_event_name`

     `performance_schema`.`events_stages_history_long`

     `performance_schema`.`events_stages_history`

     `performance_schema`.`events_stages_current`

     `performance_schema`.`cond_instances`

     `performance_schema`.`accounts`

     `mysql`.`slow_log`

     `mysql`.`general_log`

Find out all the tables over 16K.

 [root@zlm2 :: /data/mysql/mysql3308/data]

 #pt-find -h192.168.1. -P3308 -uzlm -pzlmzlm --tablesize +

 `mysql`.`columns_priv`

 `mysql`.`db`

 `mysql`.`engine_cost`

 `mysql`.`event`

 `mysql`.`func`

 `mysql`.`gtid_executed`

 `mysql`.`help_category`

 `mysql`.`help_keyword`

 `mysql`.`help_relation`

 `mysql`.`help_topic`

 `mysql`.`innodb_index_stats`

 `mysql`.`innodb_table_stats`

 `mysql`.`ndb_binlog_index`

 `mysql`.`plugin`

 `mysql`.`proc`

 `mysql`.`procs_priv`

 `mysql`.`proxies_priv`

 `mysql`.`server_cost`

 `mysql`.`servers`

 `mysql`.`slave_master_info`

 `mysql`.`slave_relay_log_info`

 `mysql`.`slave_worker_info`

 `mysql`.`tables_priv`

 `mysql`.`time_zone`

 `mysql`.`time_zone_leap_second`

 `mysql`.`time_zone_name`

 `mysql`.`time_zone_transition`

 `mysql`.`time_zone_transition_type`

 `mysql`.`user`

 `sys`.`sys_config`

 `zlm`.`t1`

 `zlm`.`t2`

Find out table in "zlm" database which name is like "t3" then drop it.

 (zlm@192.168.1.101 )[zlm]>create table t3 like t2;

 Query OK,  rows affected (0.02 sec)

 (zlm@192.168.1.101 )[zlm]>show create table t3\G

 *************************** . row ***************************

        Table: t3

 Create Table: CREATE TABLE `t3` (

   `id` int() NOT NULL,

   `name` char() DEFAULT NULL,

   PRIMARY KEY (`id`)

 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4

  row in set (0.00 sec)

 (zlm@192.168.1.101 )[zlm]>show tables;

 +---------------+

 | Tables_in_zlm |

 +---------------+

 | t1            |

 | t2            |

 | t3            |

 +---------------+

  rows in set (0.00 sec)

 [root@zlm2 :: /data/mysql/mysql3308/data]

 #pt-find -h192.168.1. -P3308 -uzlm -pzlmzlm --print zlm --tbllike=t3 --exec-plus "drop table %s"

 `zlm`.`t3`

 (zlm@192.168.1.101 )[zlm]>show tables;

 +---------------+

 | Tables_in_zlm |

 +---------------+

 | t1            |

 | t2            |

 +---------------+

  rows in set (0.00 sec)

 //The table has been droped directly by the last command in pt-find.
Summary
  • pt-find is rather useful when retrieving target table with flexible conditions you defined.
  • pt-find has a lot of options.We should be more careful when using ddl statement by "--exec" or "--exec-plus".
  • We can use it to collect the important information about a bunch of tables easily which can increse the working efficiency.

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