database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-11-24 06:01:25 +03:00
Code Activity
Files
3fb65a1ac27dab296f897f6f5b5fa9567129b0eb
mariadb/mysql-test/r/information_schema_all_engines.result
Michael Widenius ab0905c6d7 This is based on the userstatv2 patch from Percona and OurDelta. 
The original code comes, as far as I know, from Google (Mark Callaghan's team) with additional work from Percona, Ourdelta and Weldon Whipple.

This code provides the same functionallity, but with a lot of changes to make it faster and better fit the MariaDB infrastucture.

Added new status variables:
- Com_show_client_statistics, Com_show_index_statistics, Com_show_table_statistics, Com_show_user_statistics
- Access_denied_errors, Busy_time (clock time), Binlog_bytes_written, Cpu_time, Empty_queries, Rows_sent, Rows_read

Added new variable / startup option 'userstat' to control if user statistics should be enabled or not

Added my_getcputime(); Returns cpu time used by this thread.
New FLUSH commands:
- FLUSH SLOW QUERY LOG
- FLUSH TABLE_STATISTICS
- FLUSH INDEX_STATISTICS
- FLUSH USER_STATISTICS
- FLUSH CLIENT_STATISTICS

New SHOW commands:
- SHOW CLIENT_STATISTICS
- SHOW USER_STATISTICS
- SHOW TABLE_STATISTICS
- SHOW INDEX_STATISTICS

New Information schemas:
- CLIENT_STATISTICS
- USER_STATISTICS
- INDEX_STATISTICS
- TABLE_STATISTICS

Added support for all new flush commands to mysqladmin

Added handler::ha_... wrappers for all handler read calls to do statistics counting
- Changed all code to use new ha_... calls
- Count number of read rows, changed rows and rows read trough an index

Added counting of number of bytes sent to binary log (status variable Binlog_bytes_written)
Added counting of access denied errors (status variable Access_denied_erors)

Bugs fixed:
- Fixed bug in add_to_status() and add_diff_to_status() where longlong variables where threated as long
- CLOCK_GETTIME was not propely working on Linuxm

client/mysqladmin.cc:
  Added support for all new flush commmands and some common combinations:
  
  flush-slow-log
  flush-table-statistics
  flush-index-statistics
  flush-user-statistics
  flush-client-statistics
  flush-all-status
  flush-all-statistics
configure.in:
  Added checking if clock_gettime needs the librt.
  (Fixes Bug #37639 clock_gettime is never used/enabled in Linux/Unix)
include/my_sys.h:
  Added my_getcputime()
include/mysql_com.h:
  Added LIST_PROCESS_HOST_LEN & new REFRESH target defines
mysql-test/r/information_schema.result:
  New information schema tables added
mysql-test/r/information_schema_all_engines.result:
  New information schema tables added
mysql-test/r/information_schema_db.result:
  New information schema tables added
mysql-test/r/log_slow.result:
  Added testing that flosh slow query logs is accepted
mysql-test/r/status_user.result:
  Basic testing of user, client, table and index statistics
mysql-test/t/log_slow.test:
  Added testing that flosh slow query logs is accepted
mysql-test/t/status_user-master.opt:
  Ensure that we get a fresh restart before running status_user.test
mysql-test/t/status_user.test:
  Basic testing of user, client, table and index statistics
mysys/my_getsystime.c:
  Added my_getcputime()
  Returns cpu time used by this thread.
sql/authors.h:
  Updated authors to have core and original MySQL developers first.
sql/event_data_objects.cc:
  Updated call to mysql_reset_thd_for_next_command()
sql/event_db_repository.cc:
  Changed to use new ha_... calls
sql/filesort.cc:
  Changed to use new ha_... calls
sql/ha_partition.cc:
  Changed to use new ha_... calls
  Fixed comment syntax
sql/handler.cc:
  Changed to use new ha_... calls
  Reset table statistics
  Added code to update global table and index status
  Added counting of rows changed
sql/handler.h:
  Added table and index statistics variables
  Added function reset_statistics()
  Added handler::ha_... wrappers for all handler read calls to do statistics counting
  Protected all normal read calls to ensure we use the new calls in the server.
  Made ha_partition a friend class so that partition code can call the old read functions
sql/item_subselect.cc:
  Changed to use new ha_... calls
sql/lex.h:
  Added keywords for new information schema tables and flush commands
sql/log.cc:
  Added flush_slow_log()
  Added counting of number of bytes sent to binary log
  Removed not needed test of thd (It's used before, so it's safe to use)
  Added THD object to MYSQL_BIN_LOG::write_cache() to simplify statistics counting
sql/log.h:
  Added new parameter to write_cache()
  Added flush_slow_log() functions.
sql/log_event.cc:
  Updated call to mysql_reset_thd_for_next_command()
  Changed to use new ha_... calls
sql/log_event_old.cc:
  Updated call to mysql_reset_thd_for_next_command()
  Changed to use new ha_... calls
sql/mysql_priv.h:
  Updated call to mysql_reset_thd_for_next_command()
  Added new statistics functions and variables needed by these.
sql/mysqld.cc:
  Added new statistics variables and structures to handle these
  Added new status variables:
  - Com_show_client_statistics, Com_show_index_statistics, Com_show_table_statistics, Com_show_user_statistics
  - Access_denied_errors, Busy_time (clock time), Binlog_bytes_written, Cpu_time, Empty_queries, Rows_set, Rows_read
  Added new option 'userstat' to control if user statistics should be enabled or not
sql/opt_range.cc:
  Changed to use new ha_... calls
sql/opt_range.h:
  Changed to use new ha_... calls
sql/opt_sum.cc:
  Changed to use new ha_... calls
sql/records.cc:
  Changed to use new ha_... calls
sql/set_var.cc:
  Added variable 'userstat'
sql/sp.cc:
  Changed to use new ha_... calls
sql/sql_acl.cc:
  Changed to use new ha_... calls
  Added counting of access_denied_errors
sql/sql_base.cc:
  Added call to statistics functions
sql/sql_class.cc:
  Added usage of org_status_var, to store status variables at start of command
  Added functions THD::update_stats(), THD::update_all_stats()
  Fixed bug in add_to_status() and add_diff_to_status() where longlong variables where threated as long
sql/sql_class.h:
  Added new status variables to status_var
  Moved variables that was not ulong in status_var last.
  Added variables to THD for storing temporary values during statistics counting
sql/sql_connect.cc:
  Variables and functions to calculate user and client statistics
  Added counting of access_denied_errors and lost_connections
sql/sql_cursor.cc:
  Changed to use new ha_... calls
sql/sql_handler.cc:
  Changed to use new ha_... calls
sql/sql_help.cc:
  Changed to use new ha_... calls
sql/sql_insert.cc:
  Changed to use new ha_... calls
sql/sql_lex.h:
  Added SQLCOM_SHOW_USER_STATS, SQLCOM_SHOW_TABLE_STATS, SQLCOM_SHOW_INDEX_STATS, SQLCOM_SHOW_CLIENT_STATS
sql/sql_parse.cc:
  Added handling of:
  - SHOW CLIENT_STATISTICS
  - SHOW USER_STATISTICS
  - SHOW TABLE_STATISTICS
  - SHOW INDEX_STATISTICS
  Added handling of new FLUSH commands:
  - FLUSH SLOW QUERY LOGS
  - FLUSH TABLE_STATISTICS
  - FLUSH INDEX_STATISTICS
  - FLUSH USER_STATISTICS
  - FLUSH CLIENT_STATISTICS
  Added THD parameter to mysql_reset_thd_for_next_command()
  Added initialization and calls to user statistics functions
  Added increment of statistics variables empty_queries, rows_sent and access_denied_errors.
  Added counting of cpu time per query
sql/sql_plugin.cc:
  Changed to use new ha_... calls
sql/sql_prepare.cc:
  Updated call to mysql_reset_thd_for_next_command()
sql/sql_select.cc:
  Changed to use new ha_... calls
  Indentation changes
sql/sql_servers.cc:
  Changed to use new ha_... calls
sql/sql_show.cc:
  Added counting of access denied errors
  Added function for new information schema tables:
  - CLIENT_STATISTICS
  - USER_STATISTICS
  - INDEX_STATISTICS
  - TABLE_STATISTICS
  Changed to use new ha_... calls
sql/sql_table.cc:
  Changed to use new ha_... calls
sql/sql_udf.cc:
  Changed to use new ha_... calls
sql/sql_update.cc:
  Changed to use new ha_... calls
sql/sql_yacc.yy:
  Add new show and flush commands
sql/structs.h:
  Add name_length to KEY to avoid some strlen
  Added cache_name to KEY for fast storage of keyvalue in cache
  Added structs USER_STATS, TABLE_STATS, INDEX_STATS
  Added function prototypes for statistics functions
sql/table.cc:
  Store db+table+index name into keyinfo->cache_name
sql/table.h:
  Added new information schema tables
sql/tztime.cc:
  Changed to use new ha_... calls
2009-10-19 20:14:48 +03:00

357 lines
12 KiB
Plaintext
Raw Blame History

use INFORMATION_SCHEMA;
show tables;
Tables_in_information_schema
CHARACTER_SETS
CLIENT_STATISTICS
COLLATIONS
COLLATION_CHARACTER_SET_APPLICABILITY
COLUMNS
COLUMN_PRIVILEGES
ENGINES
EVENTS
FILES
GLOBAL_STATUS
GLOBAL_VARIABLES
INDEX_STATISTICS
KEY_COLUMN_USAGE
PARTITIONS
PLUGINS
PROCESSLIST
PROFILING
REFERENTIAL_CONSTRAINTS
ROUTINES
SCHEMATA
SCHEMA_PRIVILEGES
SESSION_STATUS
SESSION_VARIABLES
STATISTICS
TABLES
TABLE_CONSTRAINTS
TABLE_PRIVILEGES
TABLE_STATISTICS
TRIGGERS
USER_PRIVILEGES
USER_STATISTICS
VIEWS
INNODB_BUFFER_POOL_PAGES
PBXT_STATISTICS
INNODB_CMP
INNODB_RSEG
XTRADB_ENHANCEMENTS
INNODB_BUFFER_POOL_PAGES_INDEX
INNODB_INDEX_STATS
INNODB_TRX
INNODB_CMP_RESET
INNODB_LOCK_WAITS
INNODB_CMPMEM_RESET
INNODB_LOCKS
INNODB_CMPMEM
INNODB_TABLE_STATS
INNODB_BUFFER_POOL_PAGES_BLOB
SELECT t.table_name, c1.column_name
FROM information_schema.tables t
INNER JOIN
information_schema.columns c1
ON t.table_schema = c1.table_schema AND
t.table_name = c1.table_name
WHERE t.table_schema = 'information_schema' AND
c1.ordinal_position =
( SELECT COALESCE(MIN(c2.ordinal_position),1)
FROM information_schema.columns c2
WHERE c2.table_schema = t.table_schema AND
c2.table_name = t.table_name AND
c2.column_name LIKE '%SCHEMA%'
);
table_name column_name
CHARACTER_SETS CHARACTER_SET_NAME
CLIENT_STATISTICS CLIENT
COLLATIONS COLLATION_NAME
COLLATION_CHARACTER_SET_APPLICABILITY COLLATION_NAME
COLUMNS TABLE_SCHEMA
COLUMN_PRIVILEGES TABLE_SCHEMA
ENGINES ENGINE
EVENTS EVENT_SCHEMA
FILES TABLE_SCHEMA
GLOBAL_STATUS VARIABLE_NAME
GLOBAL_VARIABLES VARIABLE_NAME
INDEX_STATISTICS TABLE_SCHEMA
KEY_COLUMN_USAGE CONSTRAINT_SCHEMA
PARTITIONS TABLE_SCHEMA
PLUGINS PLUGIN_NAME
PROCESSLIST ID
PROFILING QUERY_ID
REFERENTIAL_CONSTRAINTS CONSTRAINT_SCHEMA
ROUTINES ROUTINE_SCHEMA
SCHEMATA SCHEMA_NAME
SCHEMA_PRIVILEGES TABLE_SCHEMA
SESSION_STATUS VARIABLE_NAME
SESSION_VARIABLES VARIABLE_NAME
STATISTICS TABLE_SCHEMA
TABLES TABLE_SCHEMA
TABLE_CONSTRAINTS CONSTRAINT_SCHEMA
TABLE_PRIVILEGES TABLE_SCHEMA
TABLE_STATISTICS TABLE_SCHEMA
TRIGGERS TRIGGER_SCHEMA
USER_PRIVILEGES GRANTEE
USER_STATISTICS USER
VIEWS TABLE_SCHEMA
INNODB_BUFFER_POOL_PAGES page_type
PBXT_STATISTICS ID
INNODB_CMP page_size
INNODB_RSEG rseg_id
XTRADB_ENHANCEMENTS name
INNODB_BUFFER_POOL_PAGES_INDEX schema_name
INNODB_INDEX_STATS table_name
INNODB_TRX trx_id
INNODB_CMP_RESET page_size
INNODB_LOCK_WAITS requesting_trx_id
INNODB_CMPMEM_RESET page_size
INNODB_LOCKS lock_id
INNODB_CMPMEM page_size
INNODB_TABLE_STATS table_name
INNODB_BUFFER_POOL_PAGES_BLOB space_id
SELECT t.table_name, c1.column_name
FROM information_schema.tables t
INNER JOIN
information_schema.columns c1
ON t.table_schema = c1.table_schema AND
t.table_name = c1.table_name
WHERE t.table_schema = 'information_schema' AND
c1.ordinal_position =
( SELECT COALESCE(MIN(c2.ordinal_position),1)
FROM information_schema.columns c2
WHERE c2.table_schema = 'information_schema' AND
c2.table_name = t.table_name AND
c2.column_name LIKE '%SCHEMA%'
);
table_name column_name
CHARACTER_SETS CHARACTER_SET_NAME
CLIENT_STATISTICS CLIENT
COLLATIONS COLLATION_NAME
COLLATION_CHARACTER_SET_APPLICABILITY COLLATION_NAME
COLUMNS TABLE_SCHEMA
COLUMN_PRIVILEGES TABLE_SCHEMA
ENGINES ENGINE
EVENTS EVENT_SCHEMA
FILES TABLE_SCHEMA
GLOBAL_STATUS VARIABLE_NAME
GLOBAL_VARIABLES VARIABLE_NAME
INDEX_STATISTICS TABLE_SCHEMA
KEY_COLUMN_USAGE CONSTRAINT_SCHEMA
PARTITIONS TABLE_SCHEMA
PLUGINS PLUGIN_NAME
PROCESSLIST ID
PROFILING QUERY_ID
REFERENTIAL_CONSTRAINTS CONSTRAINT_SCHEMA
ROUTINES ROUTINE_SCHEMA
SCHEMATA SCHEMA_NAME
SCHEMA_PRIVILEGES TABLE_SCHEMA
SESSION_STATUS VARIABLE_NAME
SESSION_VARIABLES VARIABLE_NAME
STATISTICS TABLE_SCHEMA
TABLES TABLE_SCHEMA
TABLE_CONSTRAINTS CONSTRAINT_SCHEMA
TABLE_PRIVILEGES TABLE_SCHEMA
TABLE_STATISTICS TABLE_SCHEMA
TRIGGERS TRIGGER_SCHEMA
USER_PRIVILEGES GRANTEE
USER_STATISTICS USER
VIEWS TABLE_SCHEMA
INNODB_BUFFER_POOL_PAGES page_type
PBXT_STATISTICS ID
INNODB_CMP page_size
INNODB_RSEG rseg_id
XTRADB_ENHANCEMENTS name
INNODB_BUFFER_POOL_PAGES_INDEX schema_name
INNODB_INDEX_STATS table_name
INNODB_TRX trx_id
INNODB_CMP_RESET page_size
INNODB_LOCK_WAITS requesting_trx_id
INNODB_CMPMEM_RESET page_size
INNODB_LOCKS lock_id
INNODB_CMPMEM page_size
INNODB_TABLE_STATS table_name
INNODB_BUFFER_POOL_PAGES_BLOB space_id
select 1 as f1 from information_schema.tables where "CHARACTER_SETS"=
(select cast(table_name as char) from information_schema.tables
order by table_name limit 1) limit 1;
f1
1
select t.table_name, group_concat(t.table_schema, '.', t.table_name),
count(*) as num1
from information_schema.tables t
inner join information_schema.columns c1
on t.table_schema = c1.table_schema AND t.table_name = c1.table_name
where t.table_schema = 'information_schema' and
c1.ordinal_position =
(select isnull(c2.column_type) -
isnull(group_concat(c2.table_schema, '.', c2.table_name)) +
count(*) as num
from information_schema.columns c2 where
c2.table_schema='information_schema' and
(c2.column_type = 'varchar(7)' or c2.column_type = 'varchar(20)')
group by c2.column_type order by num limit 1)
group by t.table_name order by num1, t.table_name;
table_name group_concat(t.table_schema, '.', t.table_name) num1
CHARACTER_SETS information_schema.CHARACTER_SETS 1
CLIENT_STATISTICS information_schema.CLIENT_STATISTICS 1
COLLATIONS information_schema.COLLATIONS 1
COLLATION_CHARACTER_SET_APPLICABILITY information_schema.COLLATION_CHARACTER_SET_APPLICABILITY 1
COLUMNS information_schema.COLUMNS 1
COLUMN_PRIVILEGES information_schema.COLUMN_PRIVILEGES 1
ENGINES information_schema.ENGINES 1
EVENTS information_schema.EVENTS 1
FILES information_schema.FILES 1
GLOBAL_STATUS information_schema.GLOBAL_STATUS 1
GLOBAL_VARIABLES information_schema.GLOBAL_VARIABLES 1
INDEX_STATISTICS information_schema.INDEX_STATISTICS 1
INNODB_BUFFER_POOL_PAGES information_schema.INNODB_BUFFER_POOL_PAGES 1
INNODB_BUFFER_POOL_PAGES_BLOB information_schema.INNODB_BUFFER_POOL_PAGES_BLOB 1
INNODB_BUFFER_POOL_PAGES_INDEX information_schema.INNODB_BUFFER_POOL_PAGES_INDEX 1
INNODB_CMP information_schema.INNODB_CMP 1
INNODB_CMPMEM information_schema.INNODB_CMPMEM 1
INNODB_CMPMEM_RESET information_schema.INNODB_CMPMEM_RESET 1
INNODB_CMP_RESET information_schema.INNODB_CMP_RESET 1
INNODB_INDEX_STATS information_schema.INNODB_INDEX_STATS 1
INNODB_LOCKS information_schema.INNODB_LOCKS 1
INNODB_LOCK_WAITS information_schema.INNODB_LOCK_WAITS 1
INNODB_RSEG information_schema.INNODB_RSEG 1
INNODB_TABLE_STATS information_schema.INNODB_TABLE_STATS 1
INNODB_TRX information_schema.INNODB_TRX 1
KEY_COLUMN_USAGE information_schema.KEY_COLUMN_USAGE 1
PARTITIONS information_schema.PARTITIONS 1
PBXT_STATISTICS information_schema.PBXT_STATISTICS 1
PLUGINS information_schema.PLUGINS 1
PROCESSLIST information_schema.PROCESSLIST 1
PROFILING information_schema.PROFILING 1
REFERENTIAL_CONSTRAINTS information_schema.REFERENTIAL_CONSTRAINTS 1
ROUTINES information_schema.ROUTINES 1
SCHEMATA information_schema.SCHEMATA 1
SCHEMA_PRIVILEGES information_schema.SCHEMA_PRIVILEGES 1
SESSION_STATUS information_schema.SESSION_STATUS 1
SESSION_VARIABLES information_schema.SESSION_VARIABLES 1
STATISTICS information_schema.STATISTICS 1
TABLES information_schema.TABLES 1
TABLE_CONSTRAINTS information_schema.TABLE_CONSTRAINTS 1
TABLE_PRIVILEGES information_schema.TABLE_PRIVILEGES 1
TABLE_STATISTICS information_schema.TABLE_STATISTICS 1
TRIGGERS information_schema.TRIGGERS 1
USER_PRIVILEGES information_schema.USER_PRIVILEGES 1
USER_STATISTICS information_schema.USER_STATISTICS 1
VIEWS information_schema.VIEWS 1
XTRADB_ENHANCEMENTS information_schema.XTRADB_ENHANCEMENTS 1
Database: information_schema
+---------------------------------------+
| Tables |
+---------------------------------------+
| CHARACTER_SETS |
| CLIENT_STATISTICS |
| COLLATIONS |
| COLLATION_CHARACTER_SET_APPLICABILITY |
| COLUMNS |
| COLUMN_PRIVILEGES |
| ENGINES |
| EVENTS |
| FILES |
| GLOBAL_STATUS |
| GLOBAL_VARIABLES |
| INDEX_STATISTICS |
| KEY_COLUMN_USAGE |
| PARTITIONS |
| PLUGINS |
| PROCESSLIST |
| PROFILING |
| REFERENTIAL_CONSTRAINTS |
| ROUTINES |
| SCHEMATA |
| SCHEMA_PRIVILEGES |
| SESSION_STATUS |
| SESSION_VARIABLES |
| STATISTICS |
| TABLES |
| TABLE_CONSTRAINTS |
| TABLE_PRIVILEGES |
| TABLE_STATISTICS |
| TRIGGERS |
| USER_PRIVILEGES |
| USER_STATISTICS |
| VIEWS |
| INNODB_BUFFER_POOL_PAGES |
| PBXT_STATISTICS |
| INNODB_CMP |
| INNODB_RSEG |
| XTRADB_ENHANCEMENTS |
| INNODB_BUFFER_POOL_PAGES_INDEX |
| INNODB_INDEX_STATS |
| INNODB_TRX |
| INNODB_CMP_RESET |
| INNODB_LOCK_WAITS |
| INNODB_CMPMEM_RESET |
| INNODB_LOCKS |
| INNODB_CMPMEM |
| INNODB_TABLE_STATS |
| INNODB_BUFFER_POOL_PAGES_BLOB |
+---------------------------------------+
Database: INFORMATION_SCHEMA
+---------------------------------------+
| Tables |
+---------------------------------------+
| CHARACTER_SETS |
| CLIENT_STATISTICS |
| COLLATIONS |
| COLLATION_CHARACTER_SET_APPLICABILITY |
| COLUMNS |
| COLUMN_PRIVILEGES |
| ENGINES |
| EVENTS |
| FILES |
| GLOBAL_STATUS |
| GLOBAL_VARIABLES |
| INDEX_STATISTICS |
| KEY_COLUMN_USAGE |
| PARTITIONS |
| PLUGINS |
| PROCESSLIST |
| PROFILING |
| REFERENTIAL_CONSTRAINTS |
| ROUTINES |
| SCHEMATA |
| SCHEMA_PRIVILEGES |
| SESSION_STATUS |
| SESSION_VARIABLES |
| STATISTICS |
| TABLES |
| TABLE_CONSTRAINTS |
| TABLE_PRIVILEGES |
| TABLE_STATISTICS |
| TRIGGERS |
| USER_PRIVILEGES |
| USER_STATISTICS |
| VIEWS |
| INNODB_BUFFER_POOL_PAGES |
| PBXT_STATISTICS |
| INNODB_CMP |
| INNODB_RSEG |
| XTRADB_ENHANCEMENTS |
| INNODB_BUFFER_POOL_PAGES_INDEX |
| INNODB_INDEX_STATS |
| INNODB_TRX |
| INNODB_CMP_RESET |
| INNODB_LOCK_WAITS |
| INNODB_CMPMEM_RESET |
| INNODB_LOCKS |
| INNODB_CMPMEM |
| INNODB_TABLE_STATS |
| INNODB_BUFFER_POOL_PAGES_BLOB |
+---------------------------------------+
Wildcard: inf_rmation_schema
+--------------------+
| Databases |
+--------------------+
| information_schema |
+--------------------+
SELECT table_schema, count(*) FROM information_schema.TABLES WHERE table_schema IN ('mysql', 'INFORMATION_SCHEMA', 'test', 'mysqltest') AND table_name<>'ndb_binlog_index' AND table_name<>'ndb_apply_status' GROUP BY TABLE_SCHEMA;
table_schema count(*)
information_schema 47
mysql 22
View Git Blame Copy Permalink