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Commit 513f5840 authored by Sergei Golubchik's avatar Sergei Golubchik
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MDEV-6138 show sysvar's help in I_S tables 

INFORMATION_SCHEMA.SYSTEM_VARIABLES
parent beb2422a
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Showing with 12324 additions and 70 deletions
mysql-test/include/have_aria.inc 0 → 100644
View file @ 513f5840
if (`SELECT COUNT(*) = 0 FROM INFORMATION_SCHEMA.ENGINES WHERE engine = 'aria' AND support IN ('YES', 'DEFAULT', 'ENABLED')`)
{
--skip Test requires Aria
}
mysql-test/r/information_schema-big.result
View file @ 513f5840
......@@ -48,6 +48,7 @@ SCHEMA_PRIVILEGES TABLE_SCHEMA
SESSION_STATUS VARIABLE_NAME
SESSION_VARIABLES VARIABLE_NAME
STATISTICS TABLE_SCHEMA
SYSTEM_VARIABLES VARIABLE_NAME
TABLES TABLE_SCHEMA
TABLESPACES TABLESPACE_NAME
TABLE_CONSTRAINTS CONSTRAINT_SCHEMA
......@@ -102,6 +103,7 @@ SCHEMA_PRIVILEGES TABLE_SCHEMA
SESSION_STATUS VARIABLE_NAME
SESSION_VARIABLES VARIABLE_NAME
STATISTICS TABLE_SCHEMA
SYSTEM_VARIABLES VARIABLE_NAME
TABLES TABLE_SCHEMA
TABLESPACES TABLESPACE_NAME
TABLE_CONSTRAINTS CONSTRAINT_SCHEMA
......
mysql-test/r/information_schema.result
View file @ 513f5840
......@@ -75,6 +75,7 @@ SCHEMA_PRIVILEGES
SESSION_STATUS
SESSION_VARIABLES
STATISTICS
SYSTEM_VARIABLES
TABLES
TABLESPACES
TABLE_CONSTRAINTS
......@@ -819,6 +820,7 @@ information_schema PROCESSLIST INFO
information_schema ROUTINES DTD_IDENTIFIER
information_schema ROUTINES ROUTINE_DEFINITION
information_schema ROUTINES ROUTINE_COMMENT
information_schema SYSTEM_VARIABLES ENUM_VALUE_LIST
information_schema TRIGGERS ACTION_CONDITION
information_schema TRIGGERS ACTION_STATEMENT
information_schema VIEWS VIEW_DEFINITION
......
mysql-test/r/information_schema_all_engines.result
View file @ 513f5840
......@@ -46,6 +46,7 @@ SCHEMA_PRIVILEGES
SESSION_STATUS
SESSION_VARIABLES
STATISTICS
SYSTEM_VARIABLES
TABLES
TABLESPACES
TABLE_CONSTRAINTS
......@@ -115,6 +116,7 @@ SCHEMA_PRIVILEGES TABLE_SCHEMA
SESSION_STATUS VARIABLE_NAME
SESSION_VARIABLES VARIABLE_NAME
STATISTICS TABLE_SCHEMA
SYSTEM_VARIABLES VARIABLE_NAME
TABLES TABLE_SCHEMA
TABLESPACES TABLESPACE_NAME
TABLE_CONSTRAINTS CONSTRAINT_SCHEMA
......@@ -184,6 +186,7 @@ SCHEMA_PRIVILEGES TABLE_SCHEMA
SESSION_STATUS VARIABLE_NAME
SESSION_VARIABLES VARIABLE_NAME
STATISTICS TABLE_SCHEMA
SYSTEM_VARIABLES VARIABLE_NAME
TABLES TABLE_SCHEMA
TABLESPACES TABLESPACE_NAME
TABLE_CONSTRAINTS CONSTRAINT_SCHEMA
......@@ -258,6 +261,7 @@ 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
SYSTEM_VARIABLES information_schema.SYSTEM_VARIABLES 1
TABLES information_schema.TABLES 1
TABLESPACES information_schema.TABLESPACES 1
TABLE_CONSTRAINTS information_schema.TABLE_CONSTRAINTS 1
......@@ -317,6 +321,7 @@ Database: information_schema
| SESSION_STATUS |
| SESSION_VARIABLES |
| STATISTICS |
| SYSTEM_VARIABLES |
| TABLES |
| TABLESPACES |
| TABLE_CONSTRAINTS |
......@@ -376,6 +381,7 @@ Database: INFORMATION_SCHEMA
| SESSION_STATUS |
| SESSION_VARIABLES |
| STATISTICS |
| SYSTEM_VARIABLES |
| TABLES |
| TABLESPACES |
| TABLE_CONSTRAINTS |
......@@ -393,5 +399,5 @@ Wildcard: inf_rmation_schema
| 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 54
information_schema 55
mysql 30
mysql-test/suite/funcs_1/r/is_columns_is.result
View file @ 513f5840
......@@ -324,6 +324,19 @@ def information_schema STATISTICS SUB_PART 11 NULL YES bigint NULL NULL 19 0 NUL
def information_schema STATISTICS TABLE_CATALOG 1 NO varchar 512 1536 NULL NULL NULL utf8 utf8_general_ci varchar(512) select
def information_schema STATISTICS TABLE_NAME 3 NO varchar 64 192 NULL NULL NULL utf8 utf8_general_ci varchar(64) select
def information_schema STATISTICS TABLE_SCHEMA 2 NO varchar 64 192 NULL NULL NULL utf8 utf8_general_ci varchar(64) select
def information_schema SYSTEM_VARIABLES COMMAND_LINE_ARGUMENT 13 NULL YES varchar 64 192 NULL NULL NULL utf8 utf8_general_ci varchar(64) select
def information_schema SYSTEM_VARIABLES DEFAULT_VALUE 4 NULL YES varchar 1024 3072 NULL NULL NULL utf8 utf8_general_ci varchar(1024) select
def information_schema SYSTEM_VARIABLES ENUM_VALUE_LIST 11 NULL YES longtext 4294967295 4294967295 NULL NULL NULL utf8 utf8_general_ci longtext select
def information_schema SYSTEM_VARIABLES GLOBAL_VALUE 3 NULL YES varchar 1024 3072 NULL NULL NULL utf8 utf8_general_ci varchar(1024) select
def information_schema SYSTEM_VARIABLES NUMERIC_BLOCK_SIZE 10 NULL YES varchar 21 63 NULL NULL NULL utf8 utf8_general_ci varchar(21) select
def information_schema SYSTEM_VARIABLES NUMERIC_MAX_VALUE 9 NULL YES varchar 21 63 NULL NULL NULL utf8 utf8_general_ci varchar(21) select
def information_schema SYSTEM_VARIABLES NUMERIC_MIN_VALUE 8 NULL YES varchar 21 63 NULL NULL NULL utf8 utf8_general_ci varchar(21) select
def information_schema SYSTEM_VARIABLES READ_ONLY 12 NO varchar 3 9 NULL NULL NULL utf8 utf8_general_ci varchar(3) select
def information_schema SYSTEM_VARIABLES SESSION_VALUE 2 NULL YES varchar 1024 3072 NULL NULL NULL utf8 utf8_general_ci varchar(1024) select
def information_schema SYSTEM_VARIABLES VARIABLE_COMMENT 7 NO varchar 2048 6144 NULL NULL NULL utf8 utf8_general_ci varchar(2048) select
def information_schema SYSTEM_VARIABLES VARIABLE_NAME 1 NO varchar 64 192 NULL NULL NULL utf8 utf8_general_ci varchar(64) select
def information_schema SYSTEM_VARIABLES VARIABLE_SCOPE 5 NO varchar 64 192 NULL NULL NULL utf8 utf8_general_ci varchar(64) select
def information_schema SYSTEM_VARIABLES VARIABLE_TYPE 6 NO varchar 64 192 NULL NULL NULL utf8 utf8_general_ci varchar(64) select
def information_schema TABLES AUTO_INCREMENT 14 NULL YES bigint NULL NULL 20 0 NULL NULL NULL bigint(21) unsigned select
def information_schema TABLES AVG_ROW_LENGTH 9 NULL YES bigint NULL NULL 20 0 NULL NULL NULL bigint(21) unsigned select
def information_schema TABLES CHECKSUM 19 NULL YES bigint NULL NULL 20 0 NULL NULL NULL bigint(21) unsigned select
......@@ -813,6 +826,19 @@ NULL information_schema STATISTICS SUB_PART bigint NULL NULL NULL NULL bigint(3)
3.0000 information_schema STATISTICS INDEX_TYPE varchar 16 48 utf8 utf8_general_ci varchar(16)
3.0000 information_schema STATISTICS COMMENT varchar 16 48 utf8 utf8_general_ci varchar(16)
3.0000 information_schema STATISTICS INDEX_COMMENT varchar 1024 3072 utf8 utf8_general_ci varchar(1024)
3.0000 information_schema SYSTEM_VARIABLES VARIABLE_NAME varchar 64 192 utf8 utf8_general_ci varchar(64)
3.0000 information_schema SYSTEM_VARIABLES SESSION_VALUE varchar 1024 3072 utf8 utf8_general_ci varchar(1024)
3.0000 information_schema SYSTEM_VARIABLES GLOBAL_VALUE varchar 1024 3072 utf8 utf8_general_ci varchar(1024)
3.0000 information_schema SYSTEM_VARIABLES DEFAULT_VALUE varchar 1024 3072 utf8 utf8_general_ci varchar(1024)
3.0000 information_schema SYSTEM_VARIABLES VARIABLE_SCOPE varchar 64 192 utf8 utf8_general_ci varchar(64)
3.0000 information_schema SYSTEM_VARIABLES VARIABLE_TYPE varchar 64 192 utf8 utf8_general_ci varchar(64)
3.0000 information_schema SYSTEM_VARIABLES VARIABLE_COMMENT varchar 2048 6144 utf8 utf8_general_ci varchar(2048)
3.0000 information_schema SYSTEM_VARIABLES NUMERIC_MIN_VALUE varchar 21 63 utf8 utf8_general_ci varchar(21)
3.0000 information_schema SYSTEM_VARIABLES NUMERIC_MAX_VALUE varchar 21 63 utf8 utf8_general_ci varchar(21)
3.0000 information_schema SYSTEM_VARIABLES NUMERIC_BLOCK_SIZE varchar 21 63 utf8 utf8_general_ci varchar(21)
1.0000 information_schema SYSTEM_VARIABLES ENUM_VALUE_LIST longtext 4294967295 4294967295 utf8 utf8_general_ci longtext
3.0000 information_schema SYSTEM_VARIABLES READ_ONLY varchar 3 9 utf8 utf8_general_ci varchar(3)
3.0000 information_schema SYSTEM_VARIABLES COMMAND_LINE_ARGUMENT varchar 64 192 utf8 utf8_general_ci varchar(64)
3.0000 information_schema TABLES TABLE_CATALOG varchar 512 1536 utf8 utf8_general_ci varchar(512)
3.0000 information_schema TABLES TABLE_SCHEMA varchar 64 192 utf8 utf8_general_ci varchar(64)
3.0000 information_schema TABLES TABLE_NAME varchar 64 192 utf8 utf8_general_ci varchar(64)
......
mysql-test/suite/funcs_1/r/is_columns_is_embedded.result
View file @ 513f5840
......@@ -324,6 +324,19 @@ def information_schema STATISTICS SUB_PART 11 NULL YES bigint NULL NULL 19 0 NUL
def information_schema STATISTICS TABLE_CATALOG 1 NO varchar 512 1536 NULL NULL NULL utf8 utf8_general_ci varchar(512)
def information_schema STATISTICS TABLE_NAME 3 NO varchar 64 192 NULL NULL NULL utf8 utf8_general_ci varchar(64)
def information_schema STATISTICS TABLE_SCHEMA 2 NO varchar 64 192 NULL NULL NULL utf8 utf8_general_ci varchar(64)
def information_schema SYSTEM_VARIABLES COMMAND_LINE_ARGUMENT 13 NULL YES varchar 64 192 NULL NULL NULL utf8 utf8_general_ci varchar(64)
def information_schema SYSTEM_VARIABLES DEFAULT_VALUE 4 NULL YES varchar 1024 3072 NULL NULL NULL utf8 utf8_general_ci varchar(1024)
def information_schema SYSTEM_VARIABLES ENUM_VALUE_LIST 11 NULL YES longtext 4294967295 4294967295 NULL NULL NULL utf8 utf8_general_ci longtext
def information_schema SYSTEM_VARIABLES GLOBAL_VALUE 3 NULL YES varchar 1024 3072 NULL NULL NULL utf8 utf8_general_ci varchar(1024)
def information_schema SYSTEM_VARIABLES NUMERIC_BLOCK_SIZE 10 NULL YES varchar 21 63 NULL NULL NULL utf8 utf8_general_ci varchar(21)
def information_schema SYSTEM_VARIABLES NUMERIC_MAX_VALUE 9 NULL YES varchar 21 63 NULL NULL NULL utf8 utf8_general_ci varchar(21)
def information_schema SYSTEM_VARIABLES NUMERIC_MIN_VALUE 8 NULL YES varchar 21 63 NULL NULL NULL utf8 utf8_general_ci varchar(21)
def information_schema SYSTEM_VARIABLES READ_ONLY 12 NO varchar 3 9 NULL NULL NULL utf8 utf8_general_ci varchar(3)
def information_schema SYSTEM_VARIABLES SESSION_VALUE 2 NULL YES varchar 1024 3072 NULL NULL NULL utf8 utf8_general_ci varchar(1024)
def information_schema SYSTEM_VARIABLES VARIABLE_COMMENT 7 NO varchar 2048 6144 NULL NULL NULL utf8 utf8_general_ci varchar(2048)
def information_schema SYSTEM_VARIABLES VARIABLE_NAME 1 NO varchar 64 192 NULL NULL NULL utf8 utf8_general_ci varchar(64)
def information_schema SYSTEM_VARIABLES VARIABLE_SCOPE 5 NO varchar 64 192 NULL NULL NULL utf8 utf8_general_ci varchar(64)
def information_schema SYSTEM_VARIABLES VARIABLE_TYPE 6 NO varchar 64 192 NULL NULL NULL utf8 utf8_general_ci varchar(64)
def information_schema TABLES AUTO_INCREMENT 14 NULL YES bigint NULL NULL 20 0 NULL NULL NULL bigint(21) unsigned
def information_schema TABLES AVG_ROW_LENGTH 9 NULL YES bigint NULL NULL 20 0 NULL NULL NULL bigint(21) unsigned
def information_schema TABLES CHECKSUM 19 NULL YES bigint NULL NULL 20 0 NULL NULL NULL bigint(21) unsigned
......@@ -813,6 +826,19 @@ NULL information_schema STATISTICS SUB_PART bigint NULL NULL NULL NULL bigint(3)
3.0000 information_schema STATISTICS INDEX_TYPE varchar 16 48 utf8 utf8_general_ci varchar(16)
3.0000 information_schema STATISTICS COMMENT varchar 16 48 utf8 utf8_general_ci varchar(16)
3.0000 information_schema STATISTICS INDEX_COMMENT varchar 1024 3072 utf8 utf8_general_ci varchar(1024)
3.0000 information_schema SYSTEM_VARIABLES VARIABLE_NAME varchar 64 192 utf8 utf8_general_ci varchar(64)
3.0000 information_schema SYSTEM_VARIABLES SESSION_VALUE varchar 1024 3072 utf8 utf8_general_ci varchar(1024)
3.0000 information_schema SYSTEM_VARIABLES GLOBAL_VALUE varchar 1024 3072 utf8 utf8_general_ci varchar(1024)
3.0000 information_schema SYSTEM_VARIABLES DEFAULT_VALUE varchar 1024 3072 utf8 utf8_general_ci varchar(1024)
3.0000 information_schema SYSTEM_VARIABLES VARIABLE_SCOPE varchar 64 192 utf8 utf8_general_ci varchar(64)
3.0000 information_schema SYSTEM_VARIABLES VARIABLE_TYPE varchar 64 192 utf8 utf8_general_ci varchar(64)
3.0000 information_schema SYSTEM_VARIABLES VARIABLE_COMMENT varchar 2048 6144 utf8 utf8_general_ci varchar(2048)
3.0000 information_schema SYSTEM_VARIABLES NUMERIC_MIN_VALUE varchar 21 63 utf8 utf8_general_ci varchar(21)
3.0000 information_schema SYSTEM_VARIABLES NUMERIC_MAX_VALUE varchar 21 63 utf8 utf8_general_ci varchar(21)
3.0000 information_schema SYSTEM_VARIABLES NUMERIC_BLOCK_SIZE varchar 21 63 utf8 utf8_general_ci varchar(21)
1.0000 information_schema SYSTEM_VARIABLES ENUM_VALUE_LIST longtext 4294967295 4294967295 utf8 utf8_general_ci longtext
3.0000 information_schema SYSTEM_VARIABLES READ_ONLY varchar 3 9 utf8 utf8_general_ci varchar(3)
3.0000 information_schema SYSTEM_VARIABLES COMMAND_LINE_ARGUMENT varchar 64 192 utf8 utf8_general_ci varchar(64)
3.0000 information_schema TABLES TABLE_CATALOG varchar 512 1536 utf8 utf8_general_ci varchar(512)
3.0000 information_schema TABLES TABLE_SCHEMA varchar 64 192 utf8 utf8_general_ci varchar(64)
3.0000 information_schema TABLES TABLE_NAME varchar 64 192 utf8 utf8_general_ci varchar(64)
......
mysql-test/suite/funcs_1/r/is_tables_is.result
View file @ 513f5840
......@@ -660,6 +660,29 @@ user_comment
Separator -----------------------------------------------------
TABLE_CATALOG def
TABLE_SCHEMA information_schema
TABLE_NAME SYSTEM_VARIABLES
TABLE_TYPE SYSTEM VIEW
ENGINE MYISAM_OR_MARIA
VERSION 10
ROW_FORMAT DYNAMIC_OR_PAGE
TABLE_ROWS #TBLR#
AVG_ROW_LENGTH #ARL#
DATA_LENGTH #DL#
MAX_DATA_LENGTH #MDL#
INDEX_LENGTH #IL#
DATA_FREE #DF#
AUTO_INCREMENT NULL
CREATE_TIME #CRT#
UPDATE_TIME #UT#
CHECK_TIME #CT#
TABLE_COLLATION utf8_general_ci
CHECKSUM NULL
CREATE_OPTIONS #CO#
TABLE_COMMENT #TC#
user_comment
Separator -----------------------------------------------------
TABLE_CATALOG def
TABLE_SCHEMA information_schema
TABLE_NAME TABLES
TABLE_TYPE SYSTEM VIEW
ENGINE MEMORY
......@@ -1529,6 +1552,29 @@ user_comment
Separator -----------------------------------------------------
TABLE_CATALOG def
TABLE_SCHEMA information_schema
TABLE_NAME SYSTEM_VARIABLES
TABLE_TYPE SYSTEM VIEW
ENGINE MYISAM_OR_MARIA
VERSION 10
ROW_FORMAT DYNAMIC_OR_PAGE
TABLE_ROWS #TBLR#
AVG_ROW_LENGTH #ARL#
DATA_LENGTH #DL#
MAX_DATA_LENGTH #MDL#
INDEX_LENGTH #IL#
DATA_FREE #DF#
AUTO_INCREMENT NULL
CREATE_TIME #CRT#
UPDATE_TIME #UT#
CHECK_TIME #CT#
TABLE_COLLATION utf8_general_ci
CHECKSUM NULL
CREATE_OPTIONS #CO#
TABLE_COMMENT #TC#
user_comment
Separator -----------------------------------------------------
TABLE_CATALOG def
TABLE_SCHEMA information_schema
TABLE_NAME TABLES
TABLE_TYPE SYSTEM VIEW
ENGINE MEMORY
......
mysql-test/suite/funcs_1/r/is_tables_is_embedded.result
View file @ 513f5840
......@@ -660,6 +660,29 @@ user_comment
Separator -----------------------------------------------------
TABLE_CATALOG def
TABLE_SCHEMA information_schema
TABLE_NAME SYSTEM_VARIABLES
TABLE_TYPE SYSTEM VIEW
ENGINE MYISAM_OR_MARIA
VERSION 10
ROW_FORMAT DYNAMIC_OR_PAGE
TABLE_ROWS #TBLR#
AVG_ROW_LENGTH #ARL#
DATA_LENGTH #DL#
MAX_DATA_LENGTH #MDL#
INDEX_LENGTH #IL#
DATA_FREE #DF#
AUTO_INCREMENT NULL
CREATE_TIME #CRT#
UPDATE_TIME #UT#
CHECK_TIME #CT#
TABLE_COLLATION utf8_general_ci
CHECKSUM NULL
CREATE_OPTIONS #CO#
TABLE_COMMENT #TC#
user_comment
Separator -----------------------------------------------------
TABLE_CATALOG def
TABLE_SCHEMA information_schema
TABLE_NAME TABLES
TABLE_TYPE SYSTEM VIEW
ENGINE MEMORY
......@@ -1529,6 +1552,29 @@ user_comment
Separator -----------------------------------------------------
TABLE_CATALOG def
TABLE_SCHEMA information_schema
TABLE_NAME SYSTEM_VARIABLES
TABLE_TYPE SYSTEM VIEW
ENGINE MYISAM_OR_MARIA
VERSION 10
ROW_FORMAT DYNAMIC_OR_PAGE
TABLE_ROWS #TBLR#
AVG_ROW_LENGTH #ARL#
DATA_LENGTH #DL#
MAX_DATA_LENGTH #MDL#
INDEX_LENGTH #IL#
DATA_FREE #DF#
AUTO_INCREMENT NULL
CREATE_TIME #CRT#
UPDATE_TIME #UT#
CHECK_TIME #CT#
TABLE_COLLATION utf8_general_ci
CHECKSUM NULL
CREATE_OPTIONS #CO#
TABLE_COMMENT #TC#
user_comment
Separator -----------------------------------------------------
TABLE_CATALOG def
TABLE_SCHEMA information_schema
TABLE_NAME TABLES
TABLE_TYPE SYSTEM VIEW
ENGINE MEMORY
......
mysql-test/suite/sys_vars/inc/sysvars_server.inc 0 → 100644
View file @ 513f5840
--vertical_results
# because its current value is printed below
set timestamp=unix_timestamp('2014-09-01 13:40:23');
# ditto
set pseudo_thread_id=10;
# to show session != global, and doesn't affect global_value_origin
set sql_mode=ansi_quotes;
# global_value_origin=SQL
set global div_precision_increment=5;
--replace_regex /^\/\S+/PATH/
--replace_result $MASTER_MYPORT MASTER_MYPORT
select * from information_schema.system_variables
where variable_name not like 'aria%' and
variable_name not like 'debug%' and
variable_name not like 'wsrep%' and
variable_name not in ('large_files_support',
'lower_case_file_system',
'open_files_limit',
'system_time_zone',
'version_comment',
'version_compile_machine', 'version_compile_os',
'version_malloc_library', 'version'
)
order by variable_name;
# now various metadata but no values, for variables where
# values change often
select VARIABLE_NAME, VARIABLE_SCOPE, VARIABLE_TYPE, VARIABLE_COMMENT,
NUMERIC_MIN_VALUE, NUMERIC_MAX_VALUE, NUMERIC_BLOCK_SIZE,
ENUM_VALUE_LIST, READ_ONLY, COMMAND_LINE_ARGUMENT
from information_schema.system_variables
where variable_name in ('large_files_support',
'lower_case_file_system',
'open_files_limit',
'system_time_zone',
'version_comment',
'version_compile_machine', 'version_compile_os',
'version_malloc_library', 'version'
)
order by variable_name;
set global div_precision_increment=default;
mysql-test/suite/sys_vars/r/show_vs_valstr.result 0 → 100644
View file @ 513f5840
use information_schema;
select variable_name, s.variable_value, v.global_value
from global_variables s join system_variables v using (variable_name)
where not (s.variable_value <=> v.global_value);
variable_name variable_value global_value
select variable_name, s.variable_value, v.session_value
from session_variables s join system_variables v using (variable_name)
where v.variable_scope != 'GLOBAL' and
not (s.variable_value <=> v.session_value);
variable_name variable_value session_value
mysql-test/suite/sys_vars/r/sysvars_aria.result 0 → 100644
View file @ 513f5840
select * from information_schema.system_variables
where variable_name like 'aria%'
order by variable_name;
VARIABLE_NAME ARIA_BLOCK_SIZE
SESSION_VALUE NULL
GLOBAL_VALUE 8192
DEFAULT_VALUE 8192
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Block size to be used for Aria index pages.
NUMERIC_MIN_VALUE 1024
NUMERIC_MAX_VALUE 32768
NUMERIC_BLOCK_SIZE 1024
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME ARIA_CHECKPOINT_INTERVAL
SESSION_VALUE NULL
GLOBAL_VALUE 30
DEFAULT_VALUE 30
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Interval between tries to do an automatic checkpoints. In seconds; 0 means 'no automatic checkpoints' which makes sense only for testing.
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 4294967295
NUMERIC_BLOCK_SIZE 1
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME ARIA_CHECKPOINT_LOG_ACTIVITY
SESSION_VALUE NULL
GLOBAL_VALUE 1048576
DEFAULT_VALUE 1048576
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Number of bytes that the transaction log has to grow between checkpoints before a new checkpoint is written to the log.
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 4294967295
NUMERIC_BLOCK_SIZE 1
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME ARIA_FORCE_START_AFTER_RECOVERY_FAILURES
SESSION_VALUE NULL
GLOBAL_VALUE 0
DEFAULT_VALUE 0
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Number of consecutive log recovery failures after which logs will be automatically deleted to cure the problem; 0 (the default) disables the feature.
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 255
NUMERIC_BLOCK_SIZE 1
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME ARIA_GROUP_COMMIT
SESSION_VALUE NULL
GLOBAL_VALUE none
DEFAULT_VALUE none
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE ENUM
VARIABLE_COMMENT Specifies Aria group commit mode. Possible values are "none" (no group commit), "hard" (with waiting to actual commit), "soft" (no wait for commit (DANGEROUS!!!))
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST none,hard,soft
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME ARIA_GROUP_COMMIT_INTERVAL
SESSION_VALUE NULL
GLOBAL_VALUE 0
DEFAULT_VALUE 0
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Interval between commite in microseconds (1/1000000c). 0 stands for no waiting for other threads to come and do a commit in "hard" mode and no sync()/commit at all in "soft" mode. Option has only an effect if aria_group_commit is used
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 4294967295
NUMERIC_BLOCK_SIZE 1
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME ARIA_LOG_FILE_SIZE
SESSION_VALUE NULL
GLOBAL_VALUE 104857600
DEFAULT_VALUE 1073741824
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Limit for transaction log size
NUMERIC_MIN_VALUE 8388608
NUMERIC_MAX_VALUE 4294967295
NUMERIC_BLOCK_SIZE 8192
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME ARIA_LOG_PURGE_TYPE
SESSION_VALUE NULL
GLOBAL_VALUE immediate
DEFAULT_VALUE immediate
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE ENUM
VARIABLE_COMMENT Specifies how Aria transactional log will be purged
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST immediate,external,at_flush
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME ARIA_MAX_SORT_FILE_SIZE
SESSION_VALUE NULL
GLOBAL_VALUE 9223372036853727232
DEFAULT_VALUE 9223372036853727232
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Don't use the fast sort index method to created index if the temporary file would get bigger than this.
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 9223372036854775807
NUMERIC_BLOCK_SIZE 1048576
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME ARIA_PAGECACHE_AGE_THRESHOLD
SESSION_VALUE NULL
GLOBAL_VALUE 300
DEFAULT_VALUE 300
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT This characterizes the number of hits a hot block has to be untouched until it is considered aged enough to be downgraded to a warm block. This specifies the percentage ratio of that number of hits to the total number of blocks in the page cache.
NUMERIC_MIN_VALUE 100
NUMERIC_MAX_VALUE 18446744073709551615
NUMERIC_BLOCK_SIZE 100
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME ARIA_PAGECACHE_BUFFER_SIZE
SESSION_VALUE NULL
GLOBAL_VALUE 8388608
DEFAULT_VALUE 134217728
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT The size of the buffer used for index blocks for Aria tables. Increase this to get better index handling (for all reads and multiple writes) to as much as you can afford.
NUMERIC_MIN_VALUE 131072
NUMERIC_MAX_VALUE 18446744073709551615
NUMERIC_BLOCK_SIZE 1
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME ARIA_PAGECACHE_DIVISION_LIMIT
SESSION_VALUE NULL
GLOBAL_VALUE 100
DEFAULT_VALUE 100
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT The minimum percentage of warm blocks in key cache
NUMERIC_MIN_VALUE 1
NUMERIC_MAX_VALUE 100
NUMERIC_BLOCK_SIZE 1
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME ARIA_PAGE_CHECKSUM
SESSION_VALUE NULL
GLOBAL_VALUE ON
DEFAULT_VALUE ON
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Maintain page checksums (can be overridden per table with PAGE_CHECKSUM clause in CREATE TABLE)
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME ARIA_RECOVER
SESSION_VALUE NULL
GLOBAL_VALUE NORMAL
DEFAULT_VALUE NORMAL
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE SET
VARIABLE_COMMENT Specifies how corrupted tables should be automatically repaired
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NORMAL,BACKUP,FORCE,QUICK,OFF
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME ARIA_REPAIR_THREADS
SESSION_VALUE 1
GLOBAL_VALUE 1
DEFAULT_VALUE 1
VARIABLE_SCOPE SESSION
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Number of threads to use when repairing Aria tables. The value of 1 disables parallel repair.
NUMERIC_MIN_VALUE 1
NUMERIC_MAX_VALUE 128
NUMERIC_BLOCK_SIZE 1
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME ARIA_SORT_BUFFER_SIZE
SESSION_VALUE 268434432
GLOBAL_VALUE 268434432
DEFAULT_VALUE 268434432
VARIABLE_SCOPE SESSION
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT The buffer that is allocated when sorting the index when doing a REPAIR or when creating indexes with CREATE INDEX or ALTER TABLE.
NUMERIC_MIN_VALUE 4096
NUMERIC_MAX_VALUE 18446744073709551615
NUMERIC_BLOCK_SIZE 1
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME ARIA_STATS_METHOD
SESSION_VALUE nulls_unequal
GLOBAL_VALUE nulls_unequal
DEFAULT_VALUE nulls_unequal
VARIABLE_SCOPE SESSION
VARIABLE_TYPE ENUM
VARIABLE_COMMENT Specifies how Aria index statistics collection code should treat NULLs
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST nulls_unequal,nulls_equal,nulls_ignored
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME ARIA_SYNC_LOG_DIR
SESSION_VALUE NULL
GLOBAL_VALUE NEWFILE
DEFAULT_VALUE NEWFILE
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE ENUM
VARIABLE_COMMENT Controls syncing directory after log file growth and new file creation
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NEVER,NEWFILE,ALWAYS
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME ARIA_USED_FOR_TEMP_TABLES
SESSION_VALUE NULL
GLOBAL_VALUE ON
DEFAULT_VALUE NULL
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Whether temporary tables should be MyISAM or Aria
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT NULL
mysql-test/suite/sys_vars/r/sysvars_debug.result 0 → 100644
View file @ 513f5840
select * from information_schema.system_variables
where variable_name like 'debug%'
order by variable_name;
VARIABLE_NAME DEBUG
SESSION_VALUE
GLOBAL_VALUE
DEFAULT_VALUE
VARIABLE_SCOPE SESSION
VARIABLE_TYPE VARCHAR
VARIABLE_COMMENT Built-in DBUG debugger
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME DEBUG_BINLOG_FSYNC_SLEEP
SESSION_VALUE NULL
GLOBAL_VALUE 314
DEFAULT_VALUE 0
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Extra sleep (in microseconds) to add to binlog fsync(), for debugging
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 4294967295
NUMERIC_BLOCK_SIZE 1
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME DEBUG_CRC_BREAK
SESSION_VALUE NULL
GLOBAL_VALUE 0
DEFAULT_VALUE 0
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Call my_debug_put_break_here() if crc matches this number (for debug)
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 18446744073709551615
NUMERIC_BLOCK_SIZE 1
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME DEBUG_DBUG
SESSION_VALUE
GLOBAL_VALUE
DEFAULT_VALUE
VARIABLE_SCOPE SESSION
VARIABLE_TYPE VARCHAR
VARIABLE_COMMENT Built-in DBUG debugger
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME DEBUG_MUTEX_DEADLOCK_DETECTOR
SESSION_VALUE NULL
GLOBAL_VALUE ON
DEFAULT_VALUE ON
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Enable checking of wrong mutex usage
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST OFF,ON
READ_ONLY YES
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME DEBUG_NO_THREAD_ALARM
SESSION_VALUE NULL
GLOBAL_VALUE OFF
DEFAULT_VALUE OFF
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Disable system thread alarm calls. Disabling it may be useful in debugging or testing, never do it in production
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST OFF,ON
READ_ONLY YES
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME DEBUG_SYNC
SESSION_VALUE ON - current signal: ''
GLOBAL_VALUE NULL
DEFAULT_VALUE
VARIABLE_SCOPE SESSION ONLY
VARIABLE_TYPE VARCHAR
VARIABLE_COMMENT Debug Sync Facility
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT NULL
mysql-test/suite/sys_vars/r/sysvars_innodb,xtradb.rdiff 0 → 100644
View file @ 513f5840
--- suite/sys_vars/r/sysvars_innodb.result 2014-09-03 12:25:10.000000000 +0200
+++ suite/sys_vars/r/sysvars_innodb,xtradb.reject 2014-09-03 12:22:43.000000000 +0200
@@ -40,6 +40,19 @@
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
+VARIABLE_NAME INNODB_ADAPTIVE_HASH_INDEX_PARTITIONS
+SESSION_VALUE NULL
+GLOBAL_VALUE 1
+DEFAULT_VALUE 1
+VARIABLE_SCOPE GLOBAL
+VARIABLE_TYPE BIGINT UNSIGNED
+VARIABLE_COMMENT Number of InnoDB adaptive hash index partitions (default 1: disable partitioning)
+NUMERIC_MIN_VALUE 1
+NUMERIC_MAX_VALUE 64
+NUMERIC_BLOCK_SIZE 0
+ENUM_VALUE_LIST NULL
+READ_ONLY YES
+COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_ADAPTIVE_MAX_SLEEP_DELAY
SESSION_VALUE NULL
GLOBAL_VALUE 150000
@@ -261,6 +274,19 @@
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
+VARIABLE_NAME INNODB_BUFFER_POOL_POPULATE
+SESSION_VALUE NULL
+GLOBAL_VALUE OFF
+DEFAULT_VALUE OFF
+VARIABLE_SCOPE GLOBAL
+VARIABLE_TYPE BOOLEAN
+VARIABLE_COMMENT Preallocate (pre-fault) the page frames required for the mapping established by the buffer pool memory region. Disabled by default.
+NUMERIC_MIN_VALUE NULL
+NUMERIC_MAX_VALUE NULL
+NUMERIC_BLOCK_SIZE NULL
+ENUM_VALUE_LIST NULL
+READ_ONLY YES
+COMMAND_LINE_ARGUMENT NONE
VARIABLE_NAME INNODB_BUFFER_POOL_SIZE
SESSION_VALUE NULL
GLOBAL_VALUE 8388608
@@ -332,7 +358,7 @@
DEFAULT_VALUE ON
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
-VARIABLE_COMMENT DEPRECATED. Use innodb_checksum_algorithm=NONE instead of setting this to OFF. Enable InnoDB checksums validation (enabled by default). Disable with --skip-innodb-checksums.
+VARIABLE_COMMENT DEPRECATED. Use innodb_checksum_algorithm=NONE instead of setting this to OFF
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
@@ -352,6 +378,97 @@
ENUM_VALUE_LIST CRC32,STRICT_CRC32,INNODB,STRICT_INNODB,NONE,STRICT_NONE
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
+VARIABLE_NAME INNODB_CLEANER_EVICTION_FACTOR
+SESSION_VALUE NULL
+GLOBAL_VALUE OFF
+DEFAULT_VALUE OFF
+VARIABLE_SCOPE GLOBAL
+VARIABLE_TYPE BOOLEAN
+VARIABLE_COMMENT Make page cleaner LRU flushes use evicted instead of flushed page counts for its heuristics
+NUMERIC_MIN_VALUE NULL
+NUMERIC_MAX_VALUE NULL
+NUMERIC_BLOCK_SIZE NULL
+ENUM_VALUE_LIST NULL
+READ_ONLY NO
+COMMAND_LINE_ARGUMENT OPTIONAL
+VARIABLE_NAME INNODB_CLEANER_FLUSH_CHUNK_SIZE
+SESSION_VALUE NULL
+GLOBAL_VALUE 100
+DEFAULT_VALUE 100
+VARIABLE_SCOPE GLOBAL
+VARIABLE_TYPE BIGINT UNSIGNED
+VARIABLE_COMMENT Divide page cleaner flush list flush batches into chunks of this size
+NUMERIC_MIN_VALUE 1
+NUMERIC_MAX_VALUE 18446744073709551615
+NUMERIC_BLOCK_SIZE 0
+ENUM_VALUE_LIST NULL
+READ_ONLY NO
+COMMAND_LINE_ARGUMENT REQUIRED
+VARIABLE_NAME INNODB_CLEANER_FREE_LIST_LWM
+SESSION_VALUE NULL
+GLOBAL_VALUE 10
+DEFAULT_VALUE 10
+VARIABLE_SCOPE GLOBAL
+VARIABLE_TYPE BIGINT UNSIGNED
+VARIABLE_COMMENT Page cleaner will keep on flushing the same buffer pool instance if its free list length is below this percentage of innodb_lru_scan_depth
+NUMERIC_MIN_VALUE 0
+NUMERIC_MAX_VALUE 100
+NUMERIC_BLOCK_SIZE 0
+ENUM_VALUE_LIST NULL
+READ_ONLY NO
+COMMAND_LINE_ARGUMENT REQUIRED
+VARIABLE_NAME INNODB_CLEANER_LRU_CHUNK_SIZE
+SESSION_VALUE NULL
+GLOBAL_VALUE 100
+DEFAULT_VALUE 100
+VARIABLE_SCOPE GLOBAL
+VARIABLE_TYPE BIGINT UNSIGNED
+VARIABLE_COMMENT Divide page cleaner LRU list flush batches into chunks of this size
+NUMERIC_MIN_VALUE 1
+NUMERIC_MAX_VALUE 18446744073709551615
+NUMERIC_BLOCK_SIZE 0
+ENUM_VALUE_LIST NULL
+READ_ONLY NO
+COMMAND_LINE_ARGUMENT REQUIRED
+VARIABLE_NAME INNODB_CLEANER_LSN_AGE_FACTOR
+SESSION_VALUE NULL
+GLOBAL_VALUE HIGH_CHECKPOINT
+DEFAULT_VALUE HIGH_CHECKPOINT
+VARIABLE_SCOPE GLOBAL
+VARIABLE_TYPE ENUM
+VARIABLE_COMMENT The formula for LSN age factor for page cleaner adaptive flushing. LEGACY: Original Oracle MySQL 5.6 formula. HIGH_CHECKPOINT: (the default) Percona Server 5.6 formula.
+NUMERIC_MIN_VALUE NULL
+NUMERIC_MAX_VALUE NULL
+NUMERIC_BLOCK_SIZE NULL
+ENUM_VALUE_LIST LEGACY,HIGH_CHECKPOINT
+READ_ONLY NO
+COMMAND_LINE_ARGUMENT OPTIONAL
+VARIABLE_NAME INNODB_CLEANER_MAX_FLUSH_TIME
+SESSION_VALUE NULL
+GLOBAL_VALUE 1000
+DEFAULT_VALUE 1000
+VARIABLE_SCOPE GLOBAL
+VARIABLE_TYPE BIGINT UNSIGNED
+VARIABLE_COMMENT The maximum time limit for a single flush list flush iteration by the page cleaner thread in miliseconds
+NUMERIC_MIN_VALUE 0
+NUMERIC_MAX_VALUE 18446744073709551615
+NUMERIC_BLOCK_SIZE 0
+ENUM_VALUE_LIST NULL
+READ_ONLY NO
+COMMAND_LINE_ARGUMENT REQUIRED
+VARIABLE_NAME INNODB_CLEANER_MAX_LRU_TIME
+SESSION_VALUE NULL
+GLOBAL_VALUE 1000
+DEFAULT_VALUE 1000
+VARIABLE_SCOPE GLOBAL
+VARIABLE_TYPE BIGINT UNSIGNED
+VARIABLE_COMMENT The maximum time limit for a single LRU tail flush iteration by the page cleaner thread in miliseconds
+NUMERIC_MIN_VALUE 0
+NUMERIC_MAX_VALUE 18446744073709551615
+NUMERIC_BLOCK_SIZE 0
+ENUM_VALUE_LIST NULL
+READ_ONLY NO
+COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_CMP_PER_INDEX_ENABLED
SESSION_VALUE NULL
GLOBAL_VALUE OFF
@@ -443,6 +560,19 @@
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
+VARIABLE_NAME INNODB_CORRUPT_TABLE_ACTION
+SESSION_VALUE NULL
+GLOBAL_VALUE assert
+DEFAULT_VALUE assert
+VARIABLE_SCOPE GLOBAL
+VARIABLE_TYPE ENUM
+VARIABLE_COMMENT Warn corruptions of user tables as 'corrupt table' instead of not crashing itself, when used with file_per_table. All file io for the datafile after detected as corrupt are disabled, except for the deletion
+NUMERIC_MIN_VALUE NULL
+NUMERIC_MAX_VALUE NULL
+NUMERIC_BLOCK_SIZE NULL
+ENUM_VALUE_LIST assert,warn,salvage
+READ_ONLY NO
+COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_DATA_FILE_PATH
SESSION_VALUE NULL
GLOBAL_VALUE ibdata1:12M:autoextend
@@ -599,6 +729,32 @@
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT OPTIONAL
+VARIABLE_NAME INNODB_EMPTY_FREE_LIST_ALGORITHM
+SESSION_VALUE NULL
+GLOBAL_VALUE BACKOFF
+DEFAULT_VALUE BACKOFF
+VARIABLE_SCOPE GLOBAL
+VARIABLE_TYPE ENUM
+VARIABLE_COMMENT The algorithm to use for empty free list handling. Allowed values: LEGACY: Original Oracle MySQL 5.6 handling with single page flushes; BACKOFF: (default) Wait until cleaner produces a free page.
+NUMERIC_MIN_VALUE NULL
+NUMERIC_MAX_VALUE NULL
+NUMERIC_BLOCK_SIZE NULL
+ENUM_VALUE_LIST LEGACY,BACKOFF
+READ_ONLY NO
+COMMAND_LINE_ARGUMENT OPTIONAL
+VARIABLE_NAME INNODB_FAKE_CHANGES
+SESSION_VALUE OFF
+GLOBAL_VALUE OFF
+DEFAULT_VALUE OFF
+VARIABLE_SCOPE SESSION
+VARIABLE_TYPE BOOLEAN
+VARIABLE_COMMENT In the transaction after enabled, UPDATE, INSERT and DELETE only move the cursor to the records and do nothing other operations (no changes, no ibuf, no undo, no transaction log) in the transaction. This is to cause replication prefetch IO. ATTENTION: the transaction started after enabled is affected.
+NUMERIC_MIN_VALUE NULL
+NUMERIC_MAX_VALUE NULL
+NUMERIC_BLOCK_SIZE NULL
+ENUM_VALUE_LIST NULL
+READ_ONLY NO
+COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_FAST_SHUTDOWN
SESSION_VALUE NULL
GLOBAL_VALUE 1
@@ -704,10 +860,10 @@
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_FLUSH_LOG_AT_TRX_COMMIT
-SESSION_VALUE NULL
+SESSION_VALUE 1
GLOBAL_VALUE 1
DEFAULT_VALUE 1
-VARIABLE_SCOPE GLOBAL
+VARIABLE_SCOPE SESSION
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Controls the durability/speed trade-off for commits. Set to 0 (write and flush redo log to disk only once per second), 1 (flush to disk at each commit), 2 (write to log at commit but flush to disk only once per second) or 3 (flush to disk at prepare and at commit, slower and usually redundant). 1 and 3 guarantees that after a crash, committed transactions will not be lost and will be consistent with the binlog and other transactional engines. 2 can get inconsistent and lose transactions if there is a power failure or kernel crash but not if mysqld crashes. 0 has no guarantees in case of crash. 0 and 2 can be faster than 1 or 3.
NUMERIC_MIN_VALUE 0
@@ -794,6 +950,19 @@
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT REQUIRED
+VARIABLE_NAME INNODB_FOREGROUND_PREFLUSH
+SESSION_VALUE NULL
+GLOBAL_VALUE EXPONENTIAL_BACKOFF
+DEFAULT_VALUE EXPONENTIAL_BACKOFF
+VARIABLE_SCOPE GLOBAL
+VARIABLE_TYPE ENUM
+VARIABLE_COMMENT The algorithm InnoDB uses for the query threads at sync preflush. Possible values are SYNC_PREFLUSH: perform a sync preflush as Oracle MySQL; EXPONENTIAL_BACKOFF: (default) wait for the page cleaner flush.
+NUMERIC_MIN_VALUE NULL
+NUMERIC_MAX_VALUE NULL
+NUMERIC_BLOCK_SIZE NULL
+ENUM_VALUE_LIST SYNC_PREFLUSH,EXPONENTIAL_BACKOFF
+READ_ONLY NO
+COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_FT_AUX_TABLE
SESSION_VALUE NULL
GLOBAL_VALUE
@@ -976,6 +1145,19 @@
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
+VARIABLE_NAME INNODB_KILL_IDLE_TRANSACTION
+SESSION_VALUE NULL
+GLOBAL_VALUE 0
+DEFAULT_VALUE 0
+VARIABLE_SCOPE GLOBAL
+VARIABLE_TYPE BIGINT
+VARIABLE_COMMENT No effect for this build.
+NUMERIC_MIN_VALUE 0
+NUMERIC_MAX_VALUE 9223372036854775807
+NUMERIC_BLOCK_SIZE 0
+ENUM_VALUE_LIST NULL
+READ_ONLY NO
+COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_LARGE_PREFIX
SESSION_VALUE NULL
GLOBAL_VALUE OFF
@@ -1002,6 +1184,19 @@
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
+VARIABLE_NAME INNODB_LOCKING_FAKE_CHANGES
+SESSION_VALUE NULL
+GLOBAL_VALUE ON
+DEFAULT_VALUE ON
+VARIABLE_SCOPE GLOBAL
+VARIABLE_TYPE BOOLEAN
+VARIABLE_COMMENT ###EXPERIMENTAL### if enabled, transactions will get S row locks instead of X locks for fake changes. If disabled, fake change transactions will not take any locks at all.
+NUMERIC_MIN_VALUE NULL
+NUMERIC_MAX_VALUE NULL
+NUMERIC_BLOCK_SIZE NULL
+ENUM_VALUE_LIST NULL
+READ_ONLY NO
+COMMAND_LINE_ARGUMENT NONE
VARIABLE_NAME INNODB_LOCKS_UNSAFE_FOR_BINLOG
SESSION_VALUE NULL
GLOBAL_VALUE OFF
@@ -1028,6 +1223,58 @@
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
+VARIABLE_NAME INNODB_LOG_ARCHIVE
+SESSION_VALUE NULL
+GLOBAL_VALUE OFF
+DEFAULT_VALUE OFF
+VARIABLE_SCOPE GLOBAL
+VARIABLE_TYPE BOOLEAN
+VARIABLE_COMMENT Set to 1 if you want to have logs archived.
+NUMERIC_MIN_VALUE NULL
+NUMERIC_MAX_VALUE NULL
+NUMERIC_BLOCK_SIZE NULL
+ENUM_VALUE_LIST NULL
+READ_ONLY NO
+COMMAND_LINE_ARGUMENT OPTIONAL
+VARIABLE_NAME INNODB_LOG_ARCH_DIR
+SESSION_VALUE NULL
+GLOBAL_VALUE PATH
+DEFAULT_VALUE
+VARIABLE_SCOPE GLOBAL
+VARIABLE_TYPE VARCHAR
+VARIABLE_COMMENT Where full logs should be archived.
+NUMERIC_MIN_VALUE NULL
+NUMERIC_MAX_VALUE NULL
+NUMERIC_BLOCK_SIZE NULL
+ENUM_VALUE_LIST NULL
+READ_ONLY YES
+COMMAND_LINE_ARGUMENT REQUIRED
+VARIABLE_NAME INNODB_LOG_ARCH_EXPIRE_SEC
+SESSION_VALUE NULL
+GLOBAL_VALUE 0
+DEFAULT_VALUE 0
+VARIABLE_SCOPE GLOBAL
+VARIABLE_TYPE BIGINT UNSIGNED
+VARIABLE_COMMENT Expiration time for archived innodb transaction logs.
+NUMERIC_MIN_VALUE 0
+NUMERIC_MAX_VALUE 18446744073709551615
+NUMERIC_BLOCK_SIZE 0
+ENUM_VALUE_LIST NULL
+READ_ONLY NO
+COMMAND_LINE_ARGUMENT OPTIONAL
+VARIABLE_NAME INNODB_LOG_BLOCK_SIZE
+SESSION_VALUE NULL
+GLOBAL_VALUE 512
+DEFAULT_VALUE 512
+VARIABLE_SCOPE GLOBAL
+VARIABLE_TYPE BIGINT UNSIGNED
+VARIABLE_COMMENT ###EXPERIMENTAL###: The log block size of the transaction log file. Changing for created log file is not supported. Use on your own risk!
+NUMERIC_MIN_VALUE 512
+NUMERIC_MAX_VALUE 65536
+NUMERIC_BLOCK_SIZE 0
+ENUM_VALUE_LIST NULL
+READ_ONLY YES
+COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_LOG_BUFFER_SIZE
SESSION_VALUE NULL
GLOBAL_VALUE 1048576
@@ -1054,6 +1301,19 @@
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
+VARIABLE_NAME INNODB_LOG_CHECKSUM_ALGORITHM
+SESSION_VALUE NULL
+GLOBAL_VALUE INNODB
+DEFAULT_VALUE INNODB
+VARIABLE_SCOPE GLOBAL
+VARIABLE_TYPE ENUM
+VARIABLE_COMMENT The algorithm InnoDB uses for log block checksums. Possible values are CRC32 (hardware accelerated if the CPU supports it) write crc32, allow any of the other checksums to match when reading; STRICT_CRC32 write crc32, do not allow other algorithms to match when reading; INNODB write a software calculated checksum, allow any other checksums to match when reading; STRICT_INNODB write a software calculated checksum, do not allow other algorithms to match when reading; NONE write a constant magic number, do not do any checksum verification when reading (same as innodb_checksums=OFF); STRICT_NONE write a constant magic number, do not allow values other than that magic number when reading; Logs created when this option is set to crc32/strict_crc32/none/strict_none will not be readable by any MySQL version or Percona Server versions that donot support this feature
+NUMERIC_MIN_VALUE NULL
+NUMERIC_MAX_VALUE NULL
+NUMERIC_BLOCK_SIZE NULL
+ENUM_VALUE_LIST CRC32,STRICT_CRC32,INNODB,STRICT_INNODB,NONE,STRICT_NONE
+READ_ONLY NO
+COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_LOG_COMPRESSED_PAGES
SESSION_VALUE NULL
GLOBAL_VALUE ON
@@ -1119,6 +1379,32 @@
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
+VARIABLE_NAME INNODB_MAX_BITMAP_FILE_SIZE
+SESSION_VALUE NULL
+GLOBAL_VALUE 104857600
+DEFAULT_VALUE 104857600
+VARIABLE_SCOPE GLOBAL
+VARIABLE_TYPE BIGINT UNSIGNED
+VARIABLE_COMMENT The maximum size of changed page bitmap files
+NUMERIC_MIN_VALUE 4096
+NUMERIC_MAX_VALUE 18446744073709551615
+NUMERIC_BLOCK_SIZE 0
+ENUM_VALUE_LIST NULL
+READ_ONLY NO
+COMMAND_LINE_ARGUMENT REQUIRED
+VARIABLE_NAME INNODB_MAX_CHANGED_PAGES
+SESSION_VALUE NULL
+GLOBAL_VALUE 1000000
+DEFAULT_VALUE 1000000
+VARIABLE_SCOPE GLOBAL
+VARIABLE_TYPE BIGINT UNSIGNED
+VARIABLE_COMMENT The maximum number of rows for INFORMATION_SCHEMA.INNODB_CHANGED_PAGES table, 0 - unlimited
+NUMERIC_MIN_VALUE 0
+NUMERIC_MAX_VALUE 18446744073709551615
+NUMERIC_BLOCK_SIZE 0
+ENUM_VALUE_LIST NULL
+READ_ONLY NO
+COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_MAX_DIRTY_PAGES_PCT
SESSION_VALUE NULL
GLOBAL_VALUE 75
@@ -1353,6 +1639,58 @@
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
+VARIABLE_NAME INNODB_PRIORITY_CLEANER
+SESSION_VALUE NULL
+GLOBAL_VALUE OFF
+DEFAULT_VALUE OFF
+VARIABLE_SCOPE GLOBAL
+VARIABLE_TYPE BOOLEAN
+VARIABLE_COMMENT Make buffer pool cleaner and LRU manager threads acquire shared resources with priority
+NUMERIC_MIN_VALUE NULL
+NUMERIC_MAX_VALUE NULL
+NUMERIC_BLOCK_SIZE NULL
+ENUM_VALUE_LIST NULL
+READ_ONLY NO
+COMMAND_LINE_ARGUMENT OPTIONAL
+VARIABLE_NAME INNODB_PRIORITY_IO
+SESSION_VALUE NULL
+GLOBAL_VALUE OFF
+DEFAULT_VALUE OFF
+VARIABLE_SCOPE GLOBAL
+VARIABLE_TYPE BOOLEAN
+VARIABLE_COMMENT Make I/O threads acquire shared resources with priority
+NUMERIC_MIN_VALUE NULL
+NUMERIC_MAX_VALUE NULL
+NUMERIC_BLOCK_SIZE NULL
+ENUM_VALUE_LIST NULL
+READ_ONLY NO
+COMMAND_LINE_ARGUMENT OPTIONAL
+VARIABLE_NAME INNODB_PRIORITY_MASTER
+SESSION_VALUE NULL
+GLOBAL_VALUE OFF
+DEFAULT_VALUE OFF
+VARIABLE_SCOPE GLOBAL
+VARIABLE_TYPE BOOLEAN
+VARIABLE_COMMENT Make buffer pool cleaner thread acquire shared resources with priority
+NUMERIC_MIN_VALUE NULL
+NUMERIC_MAX_VALUE NULL
+NUMERIC_BLOCK_SIZE NULL
+ENUM_VALUE_LIST NULL
+READ_ONLY NO
+COMMAND_LINE_ARGUMENT OPTIONAL
+VARIABLE_NAME INNODB_PRIORITY_PURGE
+SESSION_VALUE NULL
+GLOBAL_VALUE OFF
+DEFAULT_VALUE OFF
+VARIABLE_SCOPE GLOBAL
+VARIABLE_TYPE BOOLEAN
+VARIABLE_COMMENT Make purge coordinator and worker threads acquire shared resources with priority
+NUMERIC_MIN_VALUE NULL
+NUMERIC_MAX_VALUE NULL
+NUMERIC_BLOCK_SIZE NULL
+ENUM_VALUE_LIST NULL
+READ_ONLY NO
+COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_PURGE_BATCH_SIZE
SESSION_VALUE NULL
GLOBAL_VALUE 300
@@ -1509,6 +1847,84 @@
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
+VARIABLE_NAME INNODB_SCHED_PRIORITY_CLEANER
+SESSION_VALUE NULL
+GLOBAL_VALUE 19
+DEFAULT_VALUE 19
+VARIABLE_SCOPE GLOBAL
+VARIABLE_TYPE BIGINT UNSIGNED
+VARIABLE_COMMENT Nice value for the cleaner and LRU manager thread scheduling
+NUMERIC_MIN_VALUE 0
+NUMERIC_MAX_VALUE 39
+NUMERIC_BLOCK_SIZE 0
+ENUM_VALUE_LIST NULL
+READ_ONLY NO
+COMMAND_LINE_ARGUMENT REQUIRED
+VARIABLE_NAME INNODB_SCHED_PRIORITY_IO
+SESSION_VALUE NULL
+GLOBAL_VALUE 19
+DEFAULT_VALUE 19
+VARIABLE_SCOPE GLOBAL
+VARIABLE_TYPE BIGINT UNSIGNED
+VARIABLE_COMMENT Nice value for the I/O handler thread scheduling
+NUMERIC_MIN_VALUE 0
+NUMERIC_MAX_VALUE 39
+NUMERIC_BLOCK_SIZE 0
+ENUM_VALUE_LIST NULL
+READ_ONLY NO
+COMMAND_LINE_ARGUMENT REQUIRED
+VARIABLE_NAME INNODB_SCHED_PRIORITY_MASTER
+SESSION_VALUE NULL
+GLOBAL_VALUE 19
+DEFAULT_VALUE 19
+VARIABLE_SCOPE GLOBAL
+VARIABLE_TYPE BIGINT UNSIGNED
+VARIABLE_COMMENT Nice value for the master thread scheduling
+NUMERIC_MIN_VALUE 0
+NUMERIC_MAX_VALUE 39
+NUMERIC_BLOCK_SIZE 0
+ENUM_VALUE_LIST NULL
+READ_ONLY NO
+COMMAND_LINE_ARGUMENT REQUIRED
+VARIABLE_NAME INNODB_SCHED_PRIORITY_PURGE
+SESSION_VALUE NULL
+GLOBAL_VALUE 19
+DEFAULT_VALUE 19
+VARIABLE_SCOPE GLOBAL
+VARIABLE_TYPE BIGINT UNSIGNED
+VARIABLE_COMMENT Nice value for the purge thread scheduling
+NUMERIC_MIN_VALUE 0
+NUMERIC_MAX_VALUE 39
+NUMERIC_BLOCK_SIZE 0
+ENUM_VALUE_LIST NULL
+READ_ONLY NO
+COMMAND_LINE_ARGUMENT REQUIRED
+VARIABLE_NAME INNODB_SHOW_LOCKS_HELD
+SESSION_VALUE NULL
+GLOBAL_VALUE 10
+DEFAULT_VALUE 10
+VARIABLE_SCOPE GLOBAL
+VARIABLE_TYPE BIGINT UNSIGNED
+VARIABLE_COMMENT Number of locks held to print for each InnoDB transaction in SHOW INNODB STATUS.
+NUMERIC_MIN_VALUE 0
+NUMERIC_MAX_VALUE 1000
+NUMERIC_BLOCK_SIZE 0
+ENUM_VALUE_LIST NULL
+READ_ONLY NO
+COMMAND_LINE_ARGUMENT REQUIRED
+VARIABLE_NAME INNODB_SHOW_VERBOSE_LOCKS
+SESSION_VALUE NULL
+GLOBAL_VALUE 0
+DEFAULT_VALUE 0
+VARIABLE_SCOPE GLOBAL
+VARIABLE_TYPE BIGINT UNSIGNED
+VARIABLE_COMMENT Whether to show records locked in SHOW INNODB STATUS.
+NUMERIC_MIN_VALUE 0
+NUMERIC_MAX_VALUE 1
+NUMERIC_BLOCK_SIZE 0
+ENUM_VALUE_LIST NULL
+READ_ONLY NO
+COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_SORT_BUFFER_SIZE
SESSION_VALUE NULL
GLOBAL_VALUE 1048576
@@ -1554,7 +1970,7 @@
DEFAULT_VALUE nulls_equal
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE ENUM
-VARIABLE_COMMENT Specifies how InnoDB index statistics collection code should treat NULLs. Possible values are NULLS_EQUAL (default), NULLS_UNEQUAL and NULLS_IGNORED
+VARIABLE_COMMENT Specifies how InnoDB index statistics collection code should treat NULLs
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
@@ -1743,6 +2159,32 @@
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
+VARIABLE_NAME INNODB_TRACK_CHANGED_PAGES
+SESSION_VALUE NULL
+GLOBAL_VALUE OFF
+DEFAULT_VALUE OFF
+VARIABLE_SCOPE GLOBAL
+VARIABLE_TYPE BOOLEAN
+VARIABLE_COMMENT Track the redo log for changed pages and output a changed page bitmap
+NUMERIC_MIN_VALUE NULL
+NUMERIC_MAX_VALUE NULL
+NUMERIC_BLOCK_SIZE NULL
+ENUM_VALUE_LIST NULL
+READ_ONLY NO
+COMMAND_LINE_ARGUMENT NONE
+VARIABLE_NAME INNODB_TRACK_REDO_LOG_NOW
+SESSION_VALUE NULL
+GLOBAL_VALUE OFF
+DEFAULT_VALUE OFF
+VARIABLE_SCOPE GLOBAL
+VARIABLE_TYPE BOOLEAN
+VARIABLE_COMMENT Force log tracker to catch up with checkpoint now
+NUMERIC_MIN_VALUE NULL
+NUMERIC_MAX_VALUE NULL
+NUMERIC_BLOCK_SIZE NULL
+ENUM_VALUE_LIST NULL
+READ_ONLY NO
+COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_TRX_PURGE_VIEW_UPDATE_ONLY_DEBUG
SESSION_VALUE NULL
GLOBAL_VALUE OFF
@@ -1814,7 +2256,7 @@
DEFAULT_VALUE OFF
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
-VARIABLE_COMMENT Prevent partial page writes, via atomic writes.The option is used to prevent partial writes in case of a crash/poweroff, as faster alternative to doublewrite buffer.Currently this option works only on Linux only with FusionIO device, and directFS filesystem.
+VARIABLE_COMMENT Prevent partial page writes, via atomic writes (beta). The option is used to prevent partial writes in case of a crash/poweroff, as faster alternative to doublewrite buffer. Currently this option works only on Linux only with FusionIO device, and directFS filesystem.
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
@@ -1834,6 +2276,19 @@
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT NONE
+VARIABLE_NAME INNODB_USE_GLOBAL_FLUSH_LOG_AT_TRX_COMMIT
+SESSION_VALUE NULL
+GLOBAL_VALUE ON
+DEFAULT_VALUE ON
+VARIABLE_SCOPE GLOBAL
+VARIABLE_TYPE BOOLEAN
+VARIABLE_COMMENT Use global innodb_flush_log_at_trx_commit value. (default: ON).
+NUMERIC_MIN_VALUE NULL
+NUMERIC_MAX_VALUE NULL
+NUMERIC_BLOCK_SIZE NULL
+ENUM_VALUE_LIST NULL
+READ_ONLY NO
+COMMAND_LINE_ARGUMENT NONE
VARIABLE_NAME INNODB_USE_MTFLUSH
SESSION_VALUE NULL
GLOBAL_VALUE OFF
@@ -1860,6 +2315,19 @@
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT NONE
+VARIABLE_NAME INNODB_USE_STACKTRACE
+SESSION_VALUE NULL
+GLOBAL_VALUE OFF
+DEFAULT_VALUE OFF
+VARIABLE_SCOPE GLOBAL
+VARIABLE_TYPE BOOLEAN
+VARIABLE_COMMENT Print stacktrace on long semaphore wait (off by default supported only on linux)
+NUMERIC_MIN_VALUE NULL
+NUMERIC_MAX_VALUE NULL
+NUMERIC_BLOCK_SIZE NULL
+ENUM_VALUE_LIST NULL
+READ_ONLY YES
+COMMAND_LINE_ARGUMENT NONE
VARIABLE_NAME INNODB_USE_SYS_MALLOC
SESSION_VALUE NULL
GLOBAL_VALUE ON
@@ -1888,11 +2356,11 @@
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_VERSION
SESSION_VALUE NULL
-GLOBAL_VALUE 5.6.17
+GLOBAL_VALUE 5.6.17-65.0
DEFAULT_VALUE NULL
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE VARCHAR
-VARIABLE_COMMENT InnoDB version
+VARIABLE_COMMENT Percona-InnoDB-plugin version
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
mysql-test/suite/sys_vars/r/sysvars_innodb.result 0 → 100644
View file @ 513f5840
select * from information_schema.system_variables
where variable_name like 'innodb%' and not variable_name = 'innodb_disallow_writes'
order by variable_name;
VARIABLE_NAME INNODB_ADAPTIVE_FLUSHING
SESSION_VALUE NULL
GLOBAL_VALUE ON
DEFAULT_VALUE ON
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Attempt flushing dirty pages to avoid IO bursts at checkpoints.
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT NONE
VARIABLE_NAME INNODB_ADAPTIVE_FLUSHING_LWM
SESSION_VALUE NULL
GLOBAL_VALUE 10
DEFAULT_VALUE 10
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Percentage of log capacity below which no adaptive flushing happens.
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 70
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_ADAPTIVE_HASH_INDEX
SESSION_VALUE NULL
GLOBAL_VALUE ON
DEFAULT_VALUE ON
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Enable InnoDB adaptive hash index (enabled by default). Disable with --skip-innodb-adaptive-hash-index.
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_ADAPTIVE_MAX_SLEEP_DELAY
SESSION_VALUE NULL
GLOBAL_VALUE 150000
DEFAULT_VALUE 150000
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT The upper limit of the sleep delay in usec. Value of 0 disables it.
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 1000000
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_ADDITIONAL_MEM_POOL_SIZE
SESSION_VALUE NULL
GLOBAL_VALUE 8388608
DEFAULT_VALUE 8388608
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT
VARIABLE_COMMENT DEPRECATED. This option may be removed in future releases, together with the option innodb_use_sys_malloc and with the InnoDB's internal memory allocator. Size of a memory pool InnoDB uses to store data dictionary information and other internal data structures.
NUMERIC_MIN_VALUE 524288
NUMERIC_MAX_VALUE 9223372036854775807
NUMERIC_BLOCK_SIZE 1024
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_API_BK_COMMIT_INTERVAL
SESSION_VALUE NULL
GLOBAL_VALUE 5
DEFAULT_VALUE 5
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Background commit interval in seconds
NUMERIC_MIN_VALUE 1
NUMERIC_MAX_VALUE 1073741824
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_API_DISABLE_ROWLOCK
SESSION_VALUE NULL
GLOBAL_VALUE OFF
DEFAULT_VALUE OFF
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Disable row lock when direct access InnoDB through InnoDB APIs
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT NONE
VARIABLE_NAME INNODB_API_ENABLE_BINLOG
SESSION_VALUE NULL
GLOBAL_VALUE OFF
DEFAULT_VALUE OFF
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Enable binlog for applications direct access InnoDB through InnoDB APIs
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT NONE
VARIABLE_NAME INNODB_API_ENABLE_MDL
SESSION_VALUE NULL
GLOBAL_VALUE OFF
DEFAULT_VALUE OFF
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Enable MDL for applications direct access InnoDB through InnoDB APIs
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT NONE
VARIABLE_NAME INNODB_API_TRX_LEVEL
SESSION_VALUE NULL
GLOBAL_VALUE 0
DEFAULT_VALUE 0
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT InnoDB API transaction isolation level
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 3
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_AUTOEXTEND_INCREMENT
SESSION_VALUE NULL
GLOBAL_VALUE 64
DEFAULT_VALUE 64
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Data file autoextend increment in megabytes
NUMERIC_MIN_VALUE 1
NUMERIC_MAX_VALUE 1000
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_AUTOINC_LOCK_MODE
SESSION_VALUE NULL
GLOBAL_VALUE 1
DEFAULT_VALUE 1
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT
VARIABLE_COMMENT The AUTOINC lock modes supported by InnoDB: 0 => Old style AUTOINC locking (for backward compatibility) 1 => New style AUTOINC locking 2 => No AUTOINC locking (unsafe for SBR)
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 2
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_BUFFER_POOL_DUMP_AT_SHUTDOWN
SESSION_VALUE NULL
GLOBAL_VALUE OFF
DEFAULT_VALUE OFF
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Dump the buffer pool into a file named @@innodb_buffer_pool_filename
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_BUFFER_POOL_DUMP_NOW
SESSION_VALUE NULL
GLOBAL_VALUE OFF
DEFAULT_VALUE OFF
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Trigger an immediate dump of the buffer pool into a file named @@innodb_buffer_pool_filename
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_BUFFER_POOL_EVICT
SESSION_VALUE NULL
GLOBAL_VALUE
DEFAULT_VALUE
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE VARCHAR
VARIABLE_COMMENT Evict pages from the buffer pool
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_BUFFER_POOL_FILENAME
SESSION_VALUE NULL
GLOBAL_VALUE ib_buffer_pool
DEFAULT_VALUE ib_buffer_pool
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE VARCHAR
VARIABLE_COMMENT Filename to/from which to dump/load the InnoDB buffer pool
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_BUFFER_POOL_INSTANCES
SESSION_VALUE NULL
GLOBAL_VALUE 8
DEFAULT_VALUE 0
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT
VARIABLE_COMMENT Number of buffer pool instances, set to higher value on high-end machines to increase scalability
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 64
NUMERIC_BLOCK_SIZE 1
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_BUFFER_POOL_LOAD_ABORT
SESSION_VALUE NULL
GLOBAL_VALUE OFF
DEFAULT_VALUE OFF
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Abort a currently running load of the buffer pool
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_BUFFER_POOL_LOAD_AT_STARTUP
SESSION_VALUE NULL
GLOBAL_VALUE OFF
DEFAULT_VALUE OFF
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Load the buffer pool from a file named @@innodb_buffer_pool_filename
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_BUFFER_POOL_LOAD_NOW
SESSION_VALUE NULL
GLOBAL_VALUE OFF
DEFAULT_VALUE OFF
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Trigger an immediate load of the buffer pool from a file named @@innodb_buffer_pool_filename
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_BUFFER_POOL_SIZE
SESSION_VALUE NULL
GLOBAL_VALUE 8388608
DEFAULT_VALUE 134217728
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT
VARIABLE_COMMENT The size of the memory buffer InnoDB uses to cache data and indexes of its tables.
NUMERIC_MIN_VALUE 5242880
NUMERIC_MAX_VALUE 9223372036854775807
NUMERIC_BLOCK_SIZE 1048576
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_BUF_FLUSH_LIST_NOW
SESSION_VALUE NULL
GLOBAL_VALUE OFF
DEFAULT_VALUE OFF
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Force dirty page flush now
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_CHANGE_BUFFERING
SESSION_VALUE NULL
GLOBAL_VALUE all
DEFAULT_VALUE all
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE VARCHAR
VARIABLE_COMMENT Buffer changes to reduce random access: OFF, ON, inserting, deleting, changing, or purging.
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_CHANGE_BUFFERING_DEBUG
SESSION_VALUE NULL
GLOBAL_VALUE 0
DEFAULT_VALUE 0
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE INT UNSIGNED
VARIABLE_COMMENT Debug flags for InnoDB change buffering (0=none, 2=crash at merge)
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 2
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_CHANGE_BUFFER_MAX_SIZE
SESSION_VALUE NULL
GLOBAL_VALUE 25
DEFAULT_VALUE 25
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE INT UNSIGNED
VARIABLE_COMMENT Maximum on-disk size of change buffer in terms of percentage of the buffer pool.
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 50
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_CHECKSUMS
SESSION_VALUE NULL
GLOBAL_VALUE ON
DEFAULT_VALUE ON
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT DEPRECATED. Use innodb_checksum_algorithm=NONE instead of setting this to OFF. Enable InnoDB checksums validation (enabled by default). Disable with --skip-innodb-checksums.
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT NONE
VARIABLE_NAME INNODB_CHECKSUM_ALGORITHM
SESSION_VALUE NULL
GLOBAL_VALUE INNODB
DEFAULT_VALUE INNODB
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE ENUM
VARIABLE_COMMENT The algorithm InnoDB uses for page checksumming. Possible values are CRC32 (hardware accelerated if the CPU supports it) write crc32, allow any of the other checksums to match when reading; STRICT_CRC32 write crc32, do not allow other algorithms to match when reading; INNODB write a software calculated checksum, allow any other checksums to match when reading; STRICT_INNODB write a software calculated checksum, do not allow other algorithms to match when reading; NONE write a constant magic number, do not do any checksum verification when reading (same as innodb_checksums=OFF); STRICT_NONE write a constant magic number, do not allow values other than that magic number when reading; Files updated when this option is set to crc32 or strict_crc32 will not be readable by MySQL versions older than 5.6.3
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST CRC32,STRICT_CRC32,INNODB,STRICT_INNODB,NONE,STRICT_NONE
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_CMP_PER_INDEX_ENABLED
SESSION_VALUE NULL
GLOBAL_VALUE OFF
DEFAULT_VALUE OFF
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Enable INFORMATION_SCHEMA.innodb_cmp_per_index, may have negative impact on performance (off by default)
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_COMMIT_CONCURRENCY
SESSION_VALUE NULL
GLOBAL_VALUE 0
DEFAULT_VALUE 0
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Helps in performance tuning in heavily concurrent environments.
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 1000
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_COMPRESSION_ALGORITHM
SESSION_VALUE NULL
GLOBAL_VALUE none
DEFAULT_VALUE none
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE ENUM
VARIABLE_COMMENT Compression algorithm used on page compression. One of: none, zlib, lz4, lzo, lzma, or bzip2
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST none,zlib,lz4,lzo,lzma,bzip2
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_COMPRESSION_FAILURE_THRESHOLD_PCT
SESSION_VALUE NULL
GLOBAL_VALUE 5
DEFAULT_VALUE 5
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT If the compression failure rate of a table is greater than this number more padding is added to the pages to reduce the failures. A value of zero implies no padding
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 100
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_COMPRESSION_LEVEL
SESSION_VALUE NULL
GLOBAL_VALUE 6
DEFAULT_VALUE 6
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE INT UNSIGNED
VARIABLE_COMMENT Compression level used for zlib compression. 0 is no compression, 1 is fastest, 9 is best compression and default is 6.
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 9
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_COMPRESSION_PAD_PCT_MAX
SESSION_VALUE NULL
GLOBAL_VALUE 50
DEFAULT_VALUE 50
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Percentage of empty space on a data page that can be reserved to make the page compressible.
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 75
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_CONCURRENCY_TICKETS
SESSION_VALUE NULL
GLOBAL_VALUE 5000
DEFAULT_VALUE 5000
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Number of times a thread is allowed to enter InnoDB within the same SQL query after it has once got the ticket
NUMERIC_MIN_VALUE 1
NUMERIC_MAX_VALUE 18446744073709551615
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_DATA_FILE_PATH
SESSION_VALUE NULL
GLOBAL_VALUE ibdata1:12M:autoextend
DEFAULT_VALUE
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE VARCHAR
VARIABLE_COMMENT Path to individual files and their sizes.
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_DATA_HOME_DIR
SESSION_VALUE NULL
GLOBAL_VALUE
DEFAULT_VALUE
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE VARCHAR
VARIABLE_COMMENT The common part for InnoDB table spaces.
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_DEFRAGMENT
SESSION_VALUE NULL
GLOBAL_VALUE OFF
DEFAULT_VALUE OFF
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Enable/disable InnoDB defragmentation (default FALSE). When set to FALSE, all existing defragmentation will be paused. And new defragmentation command will fail.Paused defragmentation commands will resume when this variable is set to true again.
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_DEFRAGMENT_FILL_FACTOR
SESSION_VALUE NULL
GLOBAL_VALUE 0.900000
DEFAULT_VALUE 0.900000
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE DOUBLE
VARIABLE_COMMENT A number between [0.7, 1] that tells defragmentation how full it should fill a page. Default is 0.9. Number below 0.7 won't make much sense.This variable, together with innodb_defragment_fill_factor_n_recs, is introduced so defragmentation won't pack the page too full and cause page split on the next insert on every page. The variable indicating more defragmentation gain is the one effective.
NUMERIC_MIN_VALUE 0.7
NUMERIC_MAX_VALUE 1
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_DEFRAGMENT_FILL_FACTOR_N_RECS
SESSION_VALUE NULL
GLOBAL_VALUE 20
DEFAULT_VALUE 20
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE INT UNSIGNED
VARIABLE_COMMENT How many records of space defragmentation should leave on the page. This variable, together with innodb_defragment_fill_factor, is introduced so defragmentation won't pack the page too full and cause page split on the next insert on every page. The variable indicating more defragmentation gain is the one effective.
NUMERIC_MIN_VALUE 1
NUMERIC_MAX_VALUE 100
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_DEFRAGMENT_FREQUENCY
SESSION_VALUE NULL
GLOBAL_VALUE 40
DEFAULT_VALUE 40
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE INT UNSIGNED
VARIABLE_COMMENT Do not defragment a single index more than this number of time per second.This controls the number of time defragmentation thread can request X_LOCK on an index. Defragmentation thread will check whether 1/defragment_frequency (s) has passed since it worked on this index last time, and put the index back to the queue if not enough time has passed. The actual frequency can only be lower than this given number.
NUMERIC_MIN_VALUE 1
NUMERIC_MAX_VALUE 1000
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_DEFRAGMENT_N_PAGES
SESSION_VALUE NULL
GLOBAL_VALUE 7
DEFAULT_VALUE 7
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE INT UNSIGNED
VARIABLE_COMMENT Number of pages considered at once when merging multiple pages to defragment
NUMERIC_MIN_VALUE 2
NUMERIC_MAX_VALUE 32
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_DEFRAGMENT_STATS_ACCURACY
SESSION_VALUE NULL
GLOBAL_VALUE 0
DEFAULT_VALUE 0
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE INT UNSIGNED
VARIABLE_COMMENT How many defragment stats changes there are before the stats are written to persistent storage. Set to 0 meaning disable defragment stats tracking.
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 4294967295
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_DISABLE_BACKGROUND_MERGE
SESSION_VALUE NULL
GLOBAL_VALUE OFF
DEFAULT_VALUE OFF
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Disable change buffering merges by the master thread
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT NONE
VARIABLE_NAME INNODB_DISABLE_SORT_FILE_CACHE
SESSION_VALUE NULL
GLOBAL_VALUE OFF
DEFAULT_VALUE OFF
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Whether to disable OS system file cache for sort I/O
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_DOUBLEWRITE
SESSION_VALUE NULL
GLOBAL_VALUE ON
DEFAULT_VALUE ON
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Enable InnoDB doublewrite buffer (enabled by default). Disable with --skip-innodb-doublewrite.
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT NONE
VARIABLE_NAME INNODB_DOUBLEWRITE_BATCH_SIZE
SESSION_VALUE NULL
GLOBAL_VALUE 120
DEFAULT_VALUE 120
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Number of pages reserved in doublewrite buffer for batch flushing
NUMERIC_MIN_VALUE 1
NUMERIC_MAX_VALUE 127
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_FAST_SHUTDOWN
SESSION_VALUE NULL
GLOBAL_VALUE 1
DEFAULT_VALUE 1
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Speeds up the shutdown process of the InnoDB storage engine. Possible values are 0, 1 (faster) or 2 (fastest - crash-like).
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 2
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_FILE_FORMAT
SESSION_VALUE NULL
GLOBAL_VALUE Antelope
DEFAULT_VALUE Antelope
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE VARCHAR
VARIABLE_COMMENT File format to use for new tables in .ibd files.
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_FILE_FORMAT_CHECK
SESSION_VALUE NULL
GLOBAL_VALUE ON
DEFAULT_VALUE ON
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Whether to perform system file format check.
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT NONE
VARIABLE_NAME INNODB_FILE_FORMAT_MAX
SESSION_VALUE NULL
GLOBAL_VALUE Antelope
DEFAULT_VALUE Antelope
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE VARCHAR
VARIABLE_COMMENT The highest file format in the tablespace.
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_FILE_PER_TABLE
SESSION_VALUE NULL
GLOBAL_VALUE ON
DEFAULT_VALUE ON
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Stores each InnoDB table to an .ibd file in the database dir.
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT NONE
VARIABLE_NAME INNODB_FIL_MAKE_PAGE_DIRTY_DEBUG
SESSION_VALUE NULL
GLOBAL_VALUE 0
DEFAULT_VALUE 0
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Make the first page of the given tablespace dirty.
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 4294967295
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_FLUSHING_AVG_LOOPS
SESSION_VALUE NULL
GLOBAL_VALUE 30
DEFAULT_VALUE 30
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Number of iterations over which the background flushing is averaged.
NUMERIC_MIN_VALUE 1
NUMERIC_MAX_VALUE 1000
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_FLUSH_LOG_AT_TIMEOUT
SESSION_VALUE NULL
GLOBAL_VALUE 3
DEFAULT_VALUE 1
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE INT UNSIGNED
VARIABLE_COMMENT Write and flush logs every (n) second.
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 2700
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_FLUSH_LOG_AT_TRX_COMMIT
SESSION_VALUE NULL
GLOBAL_VALUE 1
DEFAULT_VALUE 1
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Controls the durability/speed trade-off for commits. Set to 0 (write and flush redo log to disk only once per second), 1 (flush to disk at each commit), 2 (write to log at commit but flush to disk only once per second) or 3 (flush to disk at prepare and at commit, slower and usually redundant). 1 and 3 guarantees that after a crash, committed transactions will not be lost and will be consistent with the binlog and other transactional engines. 2 can get inconsistent and lose transactions if there is a power failure or kernel crash but not if mysqld crashes. 0 has no guarantees in case of crash. 0 and 2 can be faster than 1 or 3.
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 3
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_FLUSH_METHOD
SESSION_VALUE NULL
GLOBAL_VALUE
DEFAULT_VALUE
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE VARCHAR
VARIABLE_COMMENT With which method to flush data.
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_FLUSH_NEIGHBORS
SESSION_VALUE NULL
GLOBAL_VALUE 1
DEFAULT_VALUE 1
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Set to 0 (don't flush neighbors from buffer pool), 1 (flush contiguous neighbors from buffer pool) or 2 (flush neighbors from buffer pool), when flushing a block
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 2
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_FORCE_LOAD_CORRUPTED
SESSION_VALUE NULL
GLOBAL_VALUE OFF
DEFAULT_VALUE OFF
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Force InnoDB to load metadata of corrupted table.
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT NONE
VARIABLE_NAME INNODB_FORCE_PRIMARY_KEY
SESSION_VALUE NULL
GLOBAL_VALUE OFF
DEFAULT_VALUE OFF
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Do not allow to create table without primary key (off by default)
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_FORCE_RECOVERY
SESSION_VALUE NULL
GLOBAL_VALUE 0
DEFAULT_VALUE 0
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Helps to save your data in case the disk image of the database becomes corrupt.
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 6
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_FORCE_RECOVERY_CRASH
SESSION_VALUE NULL
GLOBAL_VALUE 0
DEFAULT_VALUE 0
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Kills the server during crash recovery.
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 10
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_FT_AUX_TABLE
SESSION_VALUE NULL
GLOBAL_VALUE
DEFAULT_VALUE
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE VARCHAR
VARIABLE_COMMENT FTS internal auxiliary table to be checked
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT NONE
VARIABLE_NAME INNODB_FT_CACHE_SIZE
SESSION_VALUE NULL
GLOBAL_VALUE 8000000
DEFAULT_VALUE 8000000
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT InnoDB Fulltext search cache size in bytes
NUMERIC_MIN_VALUE 1600000
NUMERIC_MAX_VALUE 80000000
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_FT_ENABLE_DIAG_PRINT
SESSION_VALUE NULL
GLOBAL_VALUE OFF
DEFAULT_VALUE OFF
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Whether to enable additional FTS diagnostic printout
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_FT_ENABLE_STOPWORD
SESSION_VALUE ON
GLOBAL_VALUE ON
DEFAULT_VALUE ON
VARIABLE_SCOPE SESSION
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Create FTS index with stopword.
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_FT_MAX_TOKEN_SIZE
SESSION_VALUE NULL
GLOBAL_VALUE 84
DEFAULT_VALUE 84
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT InnoDB Fulltext search maximum token size in characters
NUMERIC_MIN_VALUE 10
NUMERIC_MAX_VALUE 84
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_FT_MIN_TOKEN_SIZE
SESSION_VALUE NULL
GLOBAL_VALUE 3
DEFAULT_VALUE 3
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT InnoDB Fulltext search minimum token size in characters
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 16
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_FT_NUM_WORD_OPTIMIZE
SESSION_VALUE NULL
GLOBAL_VALUE 2000
DEFAULT_VALUE 2000
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT InnoDB Fulltext search number of words to optimize for each optimize table call
NUMERIC_MIN_VALUE 1000
NUMERIC_MAX_VALUE 10000
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_FT_RESULT_CACHE_LIMIT
SESSION_VALUE NULL
GLOBAL_VALUE 2000000000
DEFAULT_VALUE 2000000000
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT InnoDB Fulltext search query result cache limit in bytes
NUMERIC_MIN_VALUE 1000000
NUMERIC_MAX_VALUE 4294967295
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_FT_SERVER_STOPWORD_TABLE
SESSION_VALUE NULL
GLOBAL_VALUE
DEFAULT_VALUE
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE VARCHAR
VARIABLE_COMMENT The user supplied stopword table name.
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_FT_SORT_PLL_DEGREE
SESSION_VALUE NULL
GLOBAL_VALUE 2
DEFAULT_VALUE 2
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT InnoDB Fulltext search parallel sort degree, will round up to nearest power of 2 number
NUMERIC_MIN_VALUE 1
NUMERIC_MAX_VALUE 16
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_FT_TOTAL_CACHE_SIZE
SESSION_VALUE NULL
GLOBAL_VALUE 640000000
DEFAULT_VALUE 640000000
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Total memory allocated for InnoDB Fulltext Search cache
NUMERIC_MIN_VALUE 32000000
NUMERIC_MAX_VALUE 1600000000
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_FT_USER_STOPWORD_TABLE
SESSION_VALUE
GLOBAL_VALUE
DEFAULT_VALUE
VARIABLE_SCOPE SESSION
VARIABLE_TYPE VARCHAR
VARIABLE_COMMENT User supplied stopword table name, effective in the session level.
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_IO_CAPACITY
SESSION_VALUE NULL
GLOBAL_VALUE 200
DEFAULT_VALUE 200
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Number of IOPs the server can do. Tunes the background IO rate
NUMERIC_MIN_VALUE 100
NUMERIC_MAX_VALUE 18446744073709551615
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_IO_CAPACITY_MAX
SESSION_VALUE NULL
GLOBAL_VALUE 2000
DEFAULT_VALUE 18446744073709551615
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Limit to which innodb_io_capacity can be inflated.
NUMERIC_MIN_VALUE 100
NUMERIC_MAX_VALUE 18446744073709551615
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_LARGE_PREFIX
SESSION_VALUE NULL
GLOBAL_VALUE OFF
DEFAULT_VALUE OFF
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Support large index prefix length of REC_VERSION_56_MAX_INDEX_COL_LEN (3072) bytes.
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT NONE
VARIABLE_NAME INNODB_LIMIT_OPTIMISTIC_INSERT_DEBUG
SESSION_VALUE NULL
GLOBAL_VALUE 0
DEFAULT_VALUE 0
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE INT UNSIGNED
VARIABLE_COMMENT Artificially limit the number of records per B-tree page (0=unlimited).
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 4294967295
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_LOCKS_UNSAFE_FOR_BINLOG
SESSION_VALUE NULL
GLOBAL_VALUE OFF
DEFAULT_VALUE OFF
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT DEPRECATED. This option may be removed in future releases. Please use READ COMMITTED transaction isolation level instead. Force InnoDB to not use next-key locking, to use only row-level locking.
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT NONE
VARIABLE_NAME INNODB_LOCK_WAIT_TIMEOUT
SESSION_VALUE 50
GLOBAL_VALUE 50
DEFAULT_VALUE 50
VARIABLE_SCOPE SESSION
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Timeout in seconds an InnoDB transaction may wait for a lock before being rolled back. Values above 100000000 disable the timeout.
NUMERIC_MIN_VALUE 1
NUMERIC_MAX_VALUE 1073741824
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_LOG_BUFFER_SIZE
SESSION_VALUE NULL
GLOBAL_VALUE 1048576
DEFAULT_VALUE 8388608
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT
VARIABLE_COMMENT The size of the buffer which InnoDB uses to write log to the log files on disk.
NUMERIC_MIN_VALUE 262144
NUMERIC_MAX_VALUE 9223372036854775807
NUMERIC_BLOCK_SIZE 1024
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_LOG_CHECKPOINT_NOW
SESSION_VALUE NULL
GLOBAL_VALUE OFF
DEFAULT_VALUE OFF
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Force checkpoint now
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_LOG_COMPRESSED_PAGES
SESSION_VALUE NULL
GLOBAL_VALUE ON
DEFAULT_VALUE ON
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Enables/disables the logging of entire compressed page images. InnoDB logs the compressed pages to prevent corruption if the zlib compression algorithm changes. When turned OFF, InnoDB will assume that the zlib compression algorithm doesn't change.
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_LOG_FILES_IN_GROUP
SESSION_VALUE NULL
GLOBAL_VALUE 2
DEFAULT_VALUE 2
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Number of log files in the log group. InnoDB writes to the files in a circular fashion.
NUMERIC_MIN_VALUE 2
NUMERIC_MAX_VALUE 100
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_LOG_FILE_SIZE
SESSION_VALUE NULL
GLOBAL_VALUE 5242880
DEFAULT_VALUE 50331648
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT
VARIABLE_COMMENT Size of each log file in a log group.
NUMERIC_MIN_VALUE 1048576
NUMERIC_MAX_VALUE 9223372036854775807
NUMERIC_BLOCK_SIZE 1048576
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_LOG_GROUP_HOME_DIR
SESSION_VALUE NULL
GLOBAL_VALUE PATH
DEFAULT_VALUE
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE VARCHAR
VARIABLE_COMMENT Path to InnoDB log files.
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_LRU_SCAN_DEPTH
SESSION_VALUE NULL
GLOBAL_VALUE 100
DEFAULT_VALUE 1024
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT How deep to scan LRU to keep it clean
NUMERIC_MIN_VALUE 100
NUMERIC_MAX_VALUE 18446744073709551615
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_MAX_DIRTY_PAGES_PCT
SESSION_VALUE NULL
GLOBAL_VALUE 75
DEFAULT_VALUE 75
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Percentage of dirty pages allowed in bufferpool.
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 99
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_MAX_DIRTY_PAGES_PCT_LWM
SESSION_VALUE NULL
GLOBAL_VALUE 0
DEFAULT_VALUE 0
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Percentage of dirty pages at which flushing kicks in.
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 99
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_MAX_PURGE_LAG
SESSION_VALUE NULL
GLOBAL_VALUE 0
DEFAULT_VALUE 0
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Desired maximum length of the purge queue (0 = no limit)
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 18446744073709551615
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_MAX_PURGE_LAG_DELAY
SESSION_VALUE NULL
GLOBAL_VALUE 0
DEFAULT_VALUE 0
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Maximum delay of user threads in micro-seconds
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 10000000
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_MIRRORED_LOG_GROUPS
SESSION_VALUE NULL
GLOBAL_VALUE 1
DEFAULT_VALUE 0
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT
VARIABLE_COMMENT Number of identical copies of log groups we keep for the database. Currently this should be set to 1.
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 10
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_MONITOR_DISABLE
SESSION_VALUE NULL
GLOBAL_VALUE
DEFAULT_VALUE
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE VARCHAR
VARIABLE_COMMENT Turn off a monitor counter
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_MONITOR_ENABLE
SESSION_VALUE NULL
GLOBAL_VALUE
DEFAULT_VALUE
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE VARCHAR
VARIABLE_COMMENT Turn on a monitor counter
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_MONITOR_RESET
SESSION_VALUE NULL
GLOBAL_VALUE
DEFAULT_VALUE
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE VARCHAR
VARIABLE_COMMENT Reset a monitor counter
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_MONITOR_RESET_ALL
SESSION_VALUE NULL
GLOBAL_VALUE
DEFAULT_VALUE
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE VARCHAR
VARIABLE_COMMENT Reset all values for a monitor counter
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_MTFLUSH_THREADS
SESSION_VALUE NULL
GLOBAL_VALUE 8
DEFAULT_VALUE 8
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT
VARIABLE_COMMENT Number of multi-threaded flush threads
NUMERIC_MIN_VALUE 1
NUMERIC_MAX_VALUE 64
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_OLD_BLOCKS_PCT
SESSION_VALUE NULL
GLOBAL_VALUE 37
DEFAULT_VALUE 37
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE INT UNSIGNED
VARIABLE_COMMENT Percentage of the buffer pool to reserve for 'old' blocks.
NUMERIC_MIN_VALUE 5
NUMERIC_MAX_VALUE 95
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_OLD_BLOCKS_TIME
SESSION_VALUE NULL
GLOBAL_VALUE 1000
DEFAULT_VALUE 1000
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE INT UNSIGNED
VARIABLE_COMMENT Move blocks to the 'new' end of the buffer pool if the first access was at least this many milliseconds ago. The timeout is disabled if 0.
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 4294967295
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_ONLINE_ALTER_LOG_MAX_SIZE
SESSION_VALUE NULL
GLOBAL_VALUE 134217728
DEFAULT_VALUE 134217728
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Maximum modification log file size for online index creation
NUMERIC_MIN_VALUE 65536
NUMERIC_MAX_VALUE 18446744073709551615
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_OPEN_FILES
SESSION_VALUE NULL
GLOBAL_VALUE 400
DEFAULT_VALUE 0
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT
VARIABLE_COMMENT How many files at the maximum InnoDB keeps open at the same time.
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 9223372036854775807
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_OPTIMIZE_FULLTEXT_ONLY
SESSION_VALUE NULL
GLOBAL_VALUE OFF
DEFAULT_VALUE OFF
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Only optimize the Fulltext index of the table
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT NONE
VARIABLE_NAME INNODB_PAGE_HASH_LOCKS
SESSION_VALUE NULL
GLOBAL_VALUE 16
DEFAULT_VALUE 16
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Number of rw_locks protecting buffer pool page_hash. Rounded up to the next power of 2
NUMERIC_MIN_VALUE 1
NUMERIC_MAX_VALUE 1024
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_PAGE_SIZE
SESSION_VALUE NULL
GLOBAL_VALUE 16384
DEFAULT_VALUE 16384
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Page size to use for all InnoDB tablespaces.
NUMERIC_MIN_VALUE 4096
NUMERIC_MAX_VALUE 65536
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_PRINT_ALL_DEADLOCKS
SESSION_VALUE NULL
GLOBAL_VALUE OFF
DEFAULT_VALUE OFF
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Print all deadlocks to MySQL error log (off by default)
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_PURGE_BATCH_SIZE
SESSION_VALUE NULL
GLOBAL_VALUE 300
DEFAULT_VALUE 300
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Number of UNDO log pages to purge in one batch from the history list.
NUMERIC_MIN_VALUE 1
NUMERIC_MAX_VALUE 5000
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_PURGE_RUN_NOW
SESSION_VALUE NULL
GLOBAL_VALUE OFF
DEFAULT_VALUE OFF
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Set purge state to RUN
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_PURGE_STOP_NOW
SESSION_VALUE NULL
GLOBAL_VALUE OFF
DEFAULT_VALUE OFF
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Set purge state to STOP
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_PURGE_THREADS
SESSION_VALUE NULL
GLOBAL_VALUE 1
DEFAULT_VALUE 1
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Purge threads can be from 1 to 32. Default is 1.
NUMERIC_MIN_VALUE 1
NUMERIC_MAX_VALUE 32
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_RANDOM_READ_AHEAD
SESSION_VALUE NULL
GLOBAL_VALUE OFF
DEFAULT_VALUE OFF
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Whether to use read ahead for random access within an extent.
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT NONE
VARIABLE_NAME INNODB_READ_AHEAD_THRESHOLD
SESSION_VALUE NULL
GLOBAL_VALUE 56
DEFAULT_VALUE 56
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Number of pages that must be accessed sequentially for InnoDB to trigger a readahead.
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 64
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_READ_IO_THREADS
SESSION_VALUE NULL
GLOBAL_VALUE 2
DEFAULT_VALUE 4
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Number of background read I/O threads in InnoDB.
NUMERIC_MIN_VALUE 1
NUMERIC_MAX_VALUE 64
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_READ_ONLY
SESSION_VALUE NULL
GLOBAL_VALUE OFF
DEFAULT_VALUE OFF
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Start InnoDB in read only mode (off by default)
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_REPLICATION_DELAY
SESSION_VALUE NULL
GLOBAL_VALUE 0
DEFAULT_VALUE 0
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Replication thread delay (ms) on the slave server if innodb_thread_concurrency is reached (0 by default)
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 18446744073709551615
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_ROLLBACK_ON_TIMEOUT
SESSION_VALUE NULL
GLOBAL_VALUE OFF
DEFAULT_VALUE OFF
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Roll back the complete transaction on lock wait timeout, for 4.x compatibility (disabled by default)
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_ROLLBACK_SEGMENTS
SESSION_VALUE NULL
GLOBAL_VALUE 128
DEFAULT_VALUE 128
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Number of undo logs to use (deprecated).
NUMERIC_MIN_VALUE 1
NUMERIC_MAX_VALUE 128
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_SAVED_PAGE_NUMBER_DEBUG
SESSION_VALUE NULL
GLOBAL_VALUE 0
DEFAULT_VALUE 0
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT An InnoDB page number.
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 4294967295
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_SORT_BUFFER_SIZE
SESSION_VALUE NULL
GLOBAL_VALUE 1048576
DEFAULT_VALUE 1048576
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Memory buffer size for index creation
NUMERIC_MIN_VALUE 65536
NUMERIC_MAX_VALUE 67108864
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_SPIN_WAIT_DELAY
SESSION_VALUE NULL
GLOBAL_VALUE 6
DEFAULT_VALUE 6
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Maximum delay between polling for a spin lock (6 by default)
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 18446744073709551615
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_STATS_AUTO_RECALC
SESSION_VALUE NULL
GLOBAL_VALUE ON
DEFAULT_VALUE ON
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT InnoDB automatic recalculation of persistent statistics enabled for all tables unless overridden at table level (automatic recalculation is only done when InnoDB decides that the table has changed too much and needs a new statistics)
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_STATS_METHOD
SESSION_VALUE NULL
GLOBAL_VALUE nulls_equal
DEFAULT_VALUE nulls_equal
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE ENUM
VARIABLE_COMMENT Specifies how InnoDB index statistics collection code should treat NULLs. Possible values are NULLS_EQUAL (default), NULLS_UNEQUAL and NULLS_IGNORED
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST nulls_equal,nulls_unequal,nulls_ignored
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_STATS_ON_METADATA
SESSION_VALUE NULL
GLOBAL_VALUE OFF
DEFAULT_VALUE OFF
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Enable statistics gathering for metadata commands such as SHOW TABLE STATUS for tables that use transient statistics (off by default)
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_STATS_PERSISTENT
SESSION_VALUE NULL
GLOBAL_VALUE OFF
DEFAULT_VALUE ON
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT InnoDB persistent statistics enabled for all tables unless overridden at table level
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_STATS_PERSISTENT_SAMPLE_PAGES
SESSION_VALUE NULL
GLOBAL_VALUE 20
DEFAULT_VALUE 20
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT The number of leaf index pages to sample when calculating persistent statistics (by ANALYZE, default 20)
NUMERIC_MIN_VALUE 1
NUMERIC_MAX_VALUE 18446744073709551615
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_STATS_SAMPLE_PAGES
SESSION_VALUE NULL
GLOBAL_VALUE 8
DEFAULT_VALUE 8
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Deprecated, use innodb_stats_transient_sample_pages instead
NUMERIC_MIN_VALUE 1
NUMERIC_MAX_VALUE 18446744073709551615
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_STATS_TRANSIENT_SAMPLE_PAGES
SESSION_VALUE NULL
GLOBAL_VALUE 8
DEFAULT_VALUE 8
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT The number of leaf index pages to sample when calculating transient statistics (if persistent statistics are not used, default 8)
NUMERIC_MIN_VALUE 1
NUMERIC_MAX_VALUE 18446744073709551615
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_STATUS_OUTPUT
SESSION_VALUE NULL
GLOBAL_VALUE OFF
DEFAULT_VALUE OFF
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Enable InnoDB monitor output to the error log.
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_STATUS_OUTPUT_LOCKS
SESSION_VALUE NULL
GLOBAL_VALUE OFF
DEFAULT_VALUE OFF
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Enable InnoDB lock monitor output to the error log. Requires innodb_status_output=ON.
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_STRICT_MODE
SESSION_VALUE OFF
GLOBAL_VALUE OFF
DEFAULT_VALUE OFF
VARIABLE_SCOPE SESSION
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Use strict mode when evaluating create options.
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_SUPPORT_XA
SESSION_VALUE ON
GLOBAL_VALUE ON
DEFAULT_VALUE ON
VARIABLE_SCOPE SESSION
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Enable InnoDB support for the XA two-phase commit
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_SYNC_ARRAY_SIZE
SESSION_VALUE NULL
GLOBAL_VALUE 1
DEFAULT_VALUE 1
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Size of the mutex/lock wait array.
NUMERIC_MIN_VALUE 1
NUMERIC_MAX_VALUE 1024
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_SYNC_SPIN_LOOPS
SESSION_VALUE NULL
GLOBAL_VALUE 30
DEFAULT_VALUE 30
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Count of spin-loop rounds in InnoDB mutexes (30 by default)
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 18446744073709551615
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_TABLE_LOCKS
SESSION_VALUE ON
GLOBAL_VALUE ON
DEFAULT_VALUE ON
VARIABLE_SCOPE SESSION
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Enable InnoDB locking in LOCK TABLES
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_THREAD_CONCURRENCY
SESSION_VALUE NULL
GLOBAL_VALUE 0
DEFAULT_VALUE 0
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Helps in performance tuning in heavily concurrent environments. Sets the maximum number of threads allowed inside InnoDB. Value 0 will disable the thread throttling.
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 1000
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_THREAD_SLEEP_DELAY
SESSION_VALUE NULL
GLOBAL_VALUE 10000
DEFAULT_VALUE 10000
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Time of innodb thread sleeping before joining InnoDB queue (usec). Value 0 disable a sleep
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 1000000
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_TRX_PURGE_VIEW_UPDATE_ONLY_DEBUG
SESSION_VALUE NULL
GLOBAL_VALUE OFF
DEFAULT_VALUE OFF
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Pause actual purging any delete-marked records, but merely update the purge view. It is to create artificially the situation the purge view have been updated but the each purges were not done yet.
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT NULL
VARIABLE_NAME INNODB_TRX_RSEG_N_SLOTS_DEBUG
SESSION_VALUE NULL
GLOBAL_VALUE 0
DEFAULT_VALUE 0
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE INT UNSIGNED
VARIABLE_COMMENT Debug flags for InnoDB to limit TRX_RSEG_N_SLOTS for trx_rsegf_undo_find_free()
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 1024
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT NULL
VARIABLE_NAME INNODB_UNDO_DIRECTORY
SESSION_VALUE NULL
GLOBAL_VALUE .
DEFAULT_VALUE .
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE VARCHAR
VARIABLE_COMMENT Directory where undo tablespace files live, this path can be absolute.
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_UNDO_LOGS
SESSION_VALUE NULL
GLOBAL_VALUE 128
DEFAULT_VALUE 128
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Number of undo logs to use.
NUMERIC_MIN_VALUE 1
NUMERIC_MAX_VALUE 128
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_UNDO_TABLESPACES
SESSION_VALUE NULL
GLOBAL_VALUE 0
DEFAULT_VALUE 0
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Number of undo tablespaces to use.
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 126
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_USE_ATOMIC_WRITES
SESSION_VALUE NULL
GLOBAL_VALUE OFF
DEFAULT_VALUE OFF
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Prevent partial page writes, via atomic writes.The option is used to prevent partial writes in case of a crash/poweroff, as faster alternative to doublewrite buffer.Currently this option works only on Linux only with FusionIO device, and directFS filesystem.
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT NONE
VARIABLE_NAME INNODB_USE_FALLOCATE
SESSION_VALUE NULL
GLOBAL_VALUE OFF
DEFAULT_VALUE OFF
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Preallocate files fast, using operating system functionality. On POSIX systems, posix_fallocate system call is used.
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT NONE
VARIABLE_NAME INNODB_USE_MTFLUSH
SESSION_VALUE NULL
GLOBAL_VALUE OFF
DEFAULT_VALUE OFF
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Use multi-threaded flush. Default FALSE.
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT NONE
VARIABLE_NAME INNODB_USE_NATIVE_AIO
SESSION_VALUE NULL
GLOBAL_VALUE ON
DEFAULT_VALUE ON
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Use native AIO if supported on this platform.
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT NONE
VARIABLE_NAME INNODB_USE_SYS_MALLOC
SESSION_VALUE NULL
GLOBAL_VALUE ON
DEFAULT_VALUE ON
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT DEPRECATED. This option may be removed in future releases, together with the InnoDB's internal memory allocator. Use OS memory allocator instead of InnoDB's internal memory allocator
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT NONE
VARIABLE_NAME INNODB_USE_TRIM
SESSION_VALUE NULL
GLOBAL_VALUE OFF
DEFAULT_VALUE OFF
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Use trim. Default FALSE.
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_VERSION
SESSION_VALUE NULL
GLOBAL_VALUE 5.6.17
DEFAULT_VALUE NULL
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE VARCHAR
VARIABLE_COMMENT InnoDB version
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT NULL
VARIABLE_NAME INNODB_WRITE_IO_THREADS
SESSION_VALUE NULL
GLOBAL_VALUE 2
DEFAULT_VALUE 4
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Number of background write I/O threads in InnoDB.
NUMERIC_MIN_VALUE 1
NUMERIC_MAX_VALUE 64
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT REQUIRED
mysql-test/suite/sys_vars/r/sysvars_server_embedded.result 0 → 100644
View file @ 513f5840
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mysql-test/suite/sys_vars/r/sysvars_server_notembedded.result 0 → 100644
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mysql-test/suite/sys_vars/r/sysvars_wsrep.result 0 → 100644
View file @ 513f5840
select * from information_schema.system_variables
where variable_name like 'wsrep%'
order by variable_name;
VARIABLE_NAME WSREP_AUTO_INCREMENT_CONTROL
SESSION_VALUE NULL
GLOBAL_VALUE ON
DEFAULT_VALUE ON
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT To automatically control the assignment of autoincrement variables
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST OFF,ON
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME WSREP_CAUSAL_READS
SESSION_VALUE OFF
GLOBAL_VALUE OFF
DEFAULT_VALUE OFF
VARIABLE_SCOPE SESSION
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT (DEPRECATED) Setting this variable is equivalent to setting wsrep_sync_wait READ flag
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST OFF,ON
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME WSREP_CERTIFY_NONPK
SESSION_VALUE NULL
GLOBAL_VALUE ON
DEFAULT_VALUE ON
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Certify tables with no primary key
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST OFF,ON
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME WSREP_CLUSTER_ADDRESS
SESSION_VALUE NULL
GLOBAL_VALUE
DEFAULT_VALUE
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE VARCHAR
VARIABLE_COMMENT Address to initially connect to cluster
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME WSREP_CLUSTER_NAME
SESSION_VALUE NULL
GLOBAL_VALUE my_wsrep_cluster
DEFAULT_VALUE my_wsrep_cluster
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE VARCHAR
VARIABLE_COMMENT Name for the cluster
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME WSREP_CONVERT_LOCK_TO_TRX
SESSION_VALUE NULL
GLOBAL_VALUE OFF
DEFAULT_VALUE OFF
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT To convert locking sessions into transactions
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST OFF,ON
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME WSREP_DATA_HOME_DIR
SESSION_VALUE NULL
GLOBAL_VALUE
DEFAULT_VALUE
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE VARCHAR
VARIABLE_COMMENT home directory for wsrep provider
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME WSREP_DBUG_OPTION
SESSION_VALUE NULL
GLOBAL_VALUE
DEFAULT_VALUE
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE VARCHAR
VARIABLE_COMMENT DBUG options to provider library
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME WSREP_DEBUG
SESSION_VALUE NULL
GLOBAL_VALUE OFF
DEFAULT_VALUE OFF
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT To enable debug level logging
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST OFF,ON
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME WSREP_DESYNC
SESSION_VALUE NULL
GLOBAL_VALUE OFF
DEFAULT_VALUE OFF
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT To desynchronize the node from the cluster
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST OFF,ON
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME WSREP_DRUPAL_282555_WORKAROUND
SESSION_VALUE NULL
GLOBAL_VALUE OFF
DEFAULT_VALUE OFF
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT To use a workaround forbad autoincrement value
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST OFF,ON
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME WSREP_FORCED_BINLOG_FORMAT
SESSION_VALUE NULL
GLOBAL_VALUE NONE
DEFAULT_VALUE NONE
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE ENUM
VARIABLE_COMMENT binlog format to take effect over user's choice
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST MIXED,STATEMENT,ROW,NONE
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME WSREP_LOAD_DATA_SPLITTING
SESSION_VALUE NULL
GLOBAL_VALUE ON
DEFAULT_VALUE ON
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT To commit LOAD DATA transaction after every 10K rows inserted
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST OFF,ON
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME WSREP_LOG_CONFLICTS
SESSION_VALUE NULL
GLOBAL_VALUE OFF
DEFAULT_VALUE OFF
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT To log multi-master conflicts
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST OFF,ON
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME WSREP_MAX_WS_ROWS
SESSION_VALUE NULL
GLOBAL_VALUE 131072
DEFAULT_VALUE 131072
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Max number of rows in write set
NUMERIC_MIN_VALUE 1
NUMERIC_MAX_VALUE 1048576
NUMERIC_BLOCK_SIZE 1
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME WSREP_MAX_WS_SIZE
SESSION_VALUE NULL
GLOBAL_VALUE 1073741824
DEFAULT_VALUE 1073741824
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Max write set size (bytes)
NUMERIC_MIN_VALUE 1024
NUMERIC_MAX_VALUE 4294901759
NUMERIC_BLOCK_SIZE 1
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME WSREP_MYSQL_REPLICATION_BUNDLE
SESSION_VALUE NULL
GLOBAL_VALUE 0
DEFAULT_VALUE 0
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT mysql replication group commit
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 1000
NUMERIC_BLOCK_SIZE 1
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME WSREP_NODE_ADDRESS
SESSION_VALUE NULL
GLOBAL_VALUE
DEFAULT_VALUE
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE VARCHAR
VARIABLE_COMMENT Node address
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME WSREP_NODE_INCOMING_ADDRESS
SESSION_VALUE NULL
GLOBAL_VALUE AUTO
DEFAULT_VALUE AUTO
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE VARCHAR
VARIABLE_COMMENT Client connection address
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME WSREP_NODE_NAME
SESSION_VALUE NULL
GLOBAL_VALUE
DEFAULT_VALUE
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE VARCHAR
VARIABLE_COMMENT Node name
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME WSREP_NOTIFY_CMD
SESSION_VALUE NULL
GLOBAL_VALUE
DEFAULT_VALUE
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE VARCHAR
VARIABLE_COMMENT
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME WSREP_ON
SESSION_VALUE OFF
GLOBAL_VALUE OFF
DEFAULT_VALUE OFF
VARIABLE_SCOPE SESSION
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT To enable wsrep replication
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST OFF,ON
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME WSREP_OSU_METHOD
SESSION_VALUE NULL
GLOBAL_VALUE TOI
DEFAULT_VALUE TOI
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE ENUM
VARIABLE_COMMENT Method for Online Schema Upgrade
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST TOI,RSU
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME WSREP_PROVIDER
SESSION_VALUE NULL
GLOBAL_VALUE none
DEFAULT_VALUE none
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE VARCHAR
VARIABLE_COMMENT Path to replication provider library
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME WSREP_PROVIDER_OPTIONS
SESSION_VALUE NULL
GLOBAL_VALUE
DEFAULT_VALUE
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE VARCHAR
VARIABLE_COMMENT provider specific options
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME WSREP_RECOVER
SESSION_VALUE NULL
GLOBAL_VALUE OFF
DEFAULT_VALUE OFF
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Recover database state after crash and exit
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST OFF,ON
READ_ONLY YES
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME WSREP_REPLICATE_MYISAM
SESSION_VALUE NULL
GLOBAL_VALUE OFF
DEFAULT_VALUE OFF
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT To enable myisam replication
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST OFF,ON
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME WSREP_RESTART_SLAVE
SESSION_VALUE NULL
GLOBAL_VALUE OFF
DEFAULT_VALUE OFF
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Should MySQL slave be restarted automatically, when node joins back to cluster
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST OFF,ON
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME WSREP_RETRY_AUTOCOMMIT
SESSION_VALUE 1
GLOBAL_VALUE 1
DEFAULT_VALUE 1
VARIABLE_SCOPE SESSION
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Max number of times to retry a failed autocommit statement
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 10000
NUMERIC_BLOCK_SIZE 1
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME WSREP_SLAVE_FK_CHECKS
SESSION_VALUE NULL
GLOBAL_VALUE ON
DEFAULT_VALUE ON
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Should slave thread do foreign key constraint checks
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST OFF,ON
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME WSREP_SLAVE_THREADS
SESSION_VALUE NULL
GLOBAL_VALUE 1
DEFAULT_VALUE 1
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Number of slave appliers to launch
NUMERIC_MIN_VALUE 1
NUMERIC_MAX_VALUE 512
NUMERIC_BLOCK_SIZE 1
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME WSREP_SLAVE_UK_CHECKS
SESSION_VALUE NULL
GLOBAL_VALUE OFF
DEFAULT_VALUE OFF
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Should slave thread do secondary index uniqueness checks
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST OFF,ON
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME WSREP_SST_AUTH
SESSION_VALUE NULL
GLOBAL_VALUE
DEFAULT_VALUE
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE VARCHAR
VARIABLE_COMMENT Authentication for SST connection
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME WSREP_SST_DONOR
SESSION_VALUE NULL
GLOBAL_VALUE
DEFAULT_VALUE
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE VARCHAR
VARIABLE_COMMENT preferred donor node for the SST
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME WSREP_SST_DONOR_REJECTS_QUERIES
SESSION_VALUE NULL
GLOBAL_VALUE OFF
DEFAULT_VALUE OFF
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT Reject client queries when donating state snapshot transfer
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST OFF,ON
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME WSREP_SST_METHOD
SESSION_VALUE NULL
GLOBAL_VALUE rsync
DEFAULT_VALUE rsync
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE VARCHAR
VARIABLE_COMMENT State snapshot transfer method
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME WSREP_SST_RECEIVE_ADDRESS
SESSION_VALUE NULL
GLOBAL_VALUE AUTO
DEFAULT_VALUE AUTO
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE VARCHAR
VARIABLE_COMMENT Address where node is waiting for SST contact
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME WSREP_START_POSITION
SESSION_VALUE NULL
GLOBAL_VALUE 00000000-0000-0000-0000-000000000000:-1
DEFAULT_VALUE 00000000-0000-0000-0000-000000000000:-1
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE VARCHAR
VARIABLE_COMMENT global transaction position to start from
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME WSREP_SYNC_WAIT
SESSION_VALUE 0
GLOBAL_VALUE 0
DEFAULT_VALUE 0
VARIABLE_SCOPE SESSION
VARIABLE_TYPE INT UNSIGNED
VARIABLE_COMMENT Ensure "synchronous" read view before executing an operation of the type specified by bitmask: 1 - READ(includes SELECT, SHOW and BEGIN/START TRANSACTION); 2 - UPDATE and DELETE; 4 - INSERT and REPLACE
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 7
NUMERIC_BLOCK_SIZE 1
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
mysql-test/suite/sys_vars/t/show_vs_valstr.test 0 → 100644
View file @ 513f5840
# verify that show_status_array and sys_var::val_str print values identically
use information_schema;
select variable_name, s.variable_value, v.global_value
from global_variables s join system_variables v using (variable_name)
where not (s.variable_value <=> v.global_value);
select variable_name, s.variable_value, v.session_value
from session_variables s join system_variables v using (variable_name)
where v.variable_scope != 'GLOBAL' and
not (s.variable_value <=> v.session_value);
mysql-test/suite/sys_vars/t/sysvars_aria.opt 0 → 100644
View file @ 513f5840
--loose-aria-log-file-size=100M
mysql-test/suite/sys_vars/t/sysvars_aria.test 0 → 100644
View file @ 513f5840
--source include/have_aria.inc
--vertical_results
select * from information_schema.system_variables
where variable_name like 'aria%'
order by variable_name;
mysql-test/suite/sys_vars/t/sysvars_debug.opt 0 → 100644
View file @ 513f5840
--loose-debug-binlog-fsync-sleep=314
mysql-test/suite/sys_vars/t/sysvars_debug.test 0 → 100644
View file @ 513f5840
--source include/have_debug.inc
--vertical_results
select * from information_schema.system_variables
where variable_name like 'debug%'
order by variable_name;
mysql-test/suite/sys_vars/t/sysvars_innodb.opt 0 → 100644
View file @ 513f5840
--loose-innodb-flush-log-at-timeout=3
mysql-test/suite/sys_vars/t/sysvars_innodb.test 0 → 100644
View file @ 513f5840
--source include/have_innodb.inc
--vertical_results
--replace_regex /^\/\S+/PATH/ /\.\//PATH/
select * from information_schema.system_variables
where variable_name like 'innodb%' and not variable_name = 'innodb_disallow_writes'
order by variable_name;
mysql-test/suite/sys_vars/t/sysvars_server_embedded.test 0 → 100644
View file @ 513f5840
source include/is_embedded.inc;
source inc/sysvars_server.inc;
mysql-test/suite/sys_vars/t/sysvars_server_notembedded.test 0 → 100644
View file @ 513f5840
source include/not_embedded.inc;
source inc/sysvars_server.inc;
mysql-test/suite/sys_vars/t/sysvars_wsrep.test 0 → 100644
View file @ 513f5840
--source include/have_wsrep.inc
--vertical_results
select * from information_schema.system_variables
where variable_name like 'wsrep%'
order by variable_name;
sql/create_options.cc
View file @ 513f5840
......@@ -331,7 +331,7 @@ bool parse_option_list(THD* thd, handlerton *hton, void *option_struct_arg,
char buf[256];
String sbuf(buf, sizeof(buf), system_charset_info), *str;
if ((str= sysvar->val_str(&sbuf, thd, OPT_SESSION, 0)))
if ((str= sysvar->val_str(&sbuf, thd, OPT_SESSION, &null_lex_str)))
{
LEX_STRING name= { const_cast<char*>(opt->name), opt->name_length };
default_val.str= strmake_root(root, str->ptr(), str->length());
......
sql/handler.h
View file @ 513f5840
......@@ -748,6 +748,7 @@ enum enum_schema_tables
SCH_SESSION_STATUS,
SCH_SESSION_VARIABLES,
SCH_STATISTICS,
SCH_SYSTEM_VARIABLES,
SCH_TABLES,
SCH_TABLESPACES,
SCH_TABLE_CONSTRAINTS,
......
sql/set_var.cc
View file @ 513f5840
......@@ -35,6 +35,7 @@
#include "tztime.h" // my_tz_find, my_tz_SYSTEM, struct Time_zone
#include "sql_acl.h" // SUPER_ACL
#include "sql_select.h" // free_underlaid_joins
#include "sql_show.h"
#include "sql_view.h" // updatable_views_with_limit_typelib
#include "lock.h" // lock_global_read_lock,
// make_global_read_lock_block_commit,
......@@ -240,6 +241,7 @@ bool sys_var::check(THD *thd, set_var *var)
uchar *sys_var::value_ptr(THD *thd, enum_var_type type, const LEX_STRING *base)
{
DBUG_ASSERT(base);
if (type == OPT_GLOBAL || scope() == GLOBAL)
{
mysql_mutex_assert_owner(&LOCK_global_system_variables);
......@@ -468,6 +470,7 @@ CHARSET_INFO *sys_var::charset(THD *thd)
system_charset_info;
}
typedef struct old_names_map_st
{
const char *old_name;
......@@ -938,3 +941,185 @@ int set_var_collation_client::update(THD *thd)
return 0;
}
/*****************************************************************************
INFORMATION_SCHEMA.SYSTEM_VARIABLES
*****************************************************************************/
static void store_value_ptr(Field *field, sys_var *var, String *str,
uchar *value_ptr)
{
field->set_notnull();
str= var->val_str_nolock(str, field->table->in_use, value_ptr);
if (str)
field->store(str->ptr(), str->length(), str->charset());
}
static void store_var(Field *field, sys_var *var, enum_var_type scope,
String *str)
{
if (var->check_type(scope))
return;
store_value_ptr(field, var, str,
var->value_ptr(field->table->in_use, scope, &null_lex_str));
}
int fill_sysvars(THD *thd, TABLE_LIST *tables, COND *cond)
{
char name_buffer[NAME_CHAR_LEN];
enum_check_fields save_count_cuted_fields= thd->count_cuted_fields;
bool res= 1;
CHARSET_INFO *scs= system_charset_info;
StringBuffer<STRING_BUFFER_USUAL_SIZE> strbuf(scs);
const char *wild= thd->lex->wild ? thd->lex->wild->ptr() : 0;
Field **fields=tables->table->field;
DBUG_ASSERT(tables->table->in_use == thd);
cond= make_cond_for_info_schema(cond, tables);
thd->count_cuted_fields= CHECK_FIELD_WARN;
mysql_rwlock_rdlock(&LOCK_system_variables_hash);
for (uint i= 0; i < system_variable_hash.records; i++)
{
sys_var *var= (sys_var*) my_hash_element(&system_variable_hash, i);
strmake_buf(name_buffer, var->name.str);
my_caseup_str(system_charset_info, name_buffer);
/* this must be done before evaluating cond */
restore_record(tables->table, s->default_values);
fields[0]->store(name_buffer, strlen(name_buffer), scs);
if ((wild && wild_case_compare(system_charset_info, name_buffer, wild))
|| (cond && !cond->val_int()))
continue;
mysql_mutex_lock(&LOCK_global_system_variables);
// SESSION_VALUE
store_var(fields[1], var, OPT_SESSION, &strbuf);
// GLOBAL_VALUE
store_var(fields[2], var, OPT_GLOBAL, &strbuf);
// DEFAULT_VALUE
uchar *def= var->is_readonly() && var->option.id < 0
? 0 : var->default_value_ptr(thd);
if (def)
store_value_ptr(fields[3], var, &strbuf, def);
mysql_mutex_unlock(&LOCK_global_system_variables);
static const LEX_CSTRING scopes[]=
{
{ STRING_WITH_LEN("GLOBAL") },
{ STRING_WITH_LEN("SESSION") },
{ STRING_WITH_LEN("SESSION ONLY") }
};
const LEX_CSTRING *scope= scopes + var->scope();
fields[4]->store(scope->str, scope->length, scs);
#if SIZEOF_LONG == SIZEOF_INT
#define LONG_TYPE "INT"
#else
#define LONG_TYPE "BIGINT"
#endif
static const LEX_CSTRING types[]=
{
{ 0, 0 }, // unused 0
{ 0, 0 }, // GET_NO_ARG 1
{ STRING_WITH_LEN("BOOLEAN") }, // GET_BOOL 2
{ STRING_WITH_LEN("INT") }, // GET_INT 3
{ STRING_WITH_LEN("INT UNSIGNED") }, // GET_UINT 4
{ STRING_WITH_LEN(LONG_TYPE) }, // GET_LONG 5
{ STRING_WITH_LEN(LONG_TYPE " UNSIGNED") }, // GET_ULONG 6
{ STRING_WITH_LEN("BIGINT") }, // GET_LL 7
{ STRING_WITH_LEN("BIGINT UNSIGNED") }, // GET_ULL 8
{ STRING_WITH_LEN("VARCHAR") }, // GET_STR 9
{ STRING_WITH_LEN("VARCHAR") }, // GET_STR_ALLOC 10
{ 0, 0 }, // GET_DISABLED 11
{ STRING_WITH_LEN("ENUM") }, // GET_ENUM 12
{ STRING_WITH_LEN("SET") }, // GET_SET 13
{ STRING_WITH_LEN("DOUBLE") }, // GET_DOUBLE 14
{ STRING_WITH_LEN("FLAGSET") }, // GET_FLAGSET 15
};
const LEX_CSTRING *type= types + (var->option.var_type & GET_TYPE_MASK);
fields[5]->store(type->str, type->length, scs);
fields[6]->store(var->option.comment, strlen(var->option.comment),
scs);
bool is_unsigned= true;
switch (var->option.var_type)
{
case GET_INT:
case GET_LONG:
case GET_LL:
is_unsigned= false;
/* fall through */
case GET_UINT:
case GET_ULONG:
case GET_ULL:
fields[7]->set_notnull();
fields[8]->set_notnull();
fields[9]->set_notnull();
fields[7]->store(var->option.min_value, is_unsigned);
fields[8]->store(var->option.max_value, is_unsigned);
fields[9]->store(var->option.block_size, is_unsigned);
break;
case GET_DOUBLE:
fields[7]->set_notnull();
fields[8]->set_notnull();
fields[7]->store(getopt_ulonglong2double(var->option.min_value));
fields[8]->store(getopt_ulonglong2double(var->option.max_value));
}
TYPELIB *tl= var->option.typelib;
if (tl)
{
uint i;
strbuf.length(0);
for (i=0; i + 1 < tl->count; i++)
{
strbuf.append(tl->type_names[i]);
strbuf.append(',');
}
strbuf.append(tl->type_names[i]);
fields[10]->set_notnull();
fields[10]->store(strbuf.ptr(), strbuf.length(), scs);
}
static const LEX_CSTRING yesno[]=
{
{ STRING_WITH_LEN("NO") },
{ STRING_WITH_LEN("YES") }
};
const LEX_CSTRING *yn = yesno + var->is_readonly();
fields[11]->store(yn->str, yn->length, scs);
if (var->option.id >= 0)
{
static const LEX_CSTRING args[]=
{
{ STRING_WITH_LEN("NONE") }, // NO_ARG
{ STRING_WITH_LEN("OPTIONAL") }, // OPT_ARG
{ STRING_WITH_LEN("REQUIRED") } // REQUIRED_ARG
};
const LEX_CSTRING *arg= args + var->option.arg_type;
fields[12]->set_notnull();
fields[12]->store(arg->str, arg->length, scs);
}
if (schema_table_store_record(thd, tables->table))
goto end;
thd->get_stmt_da()->inc_current_row_for_warning();
}
res= 0;
end:
mysql_rwlock_unlock(&LOCK_system_variables_hash);
thd->count_cuted_fields= save_count_cuted_fields;
return res;
}
sql/set_var.h
View file @ 513f5840
......@@ -190,6 +190,9 @@ class sys_var
}
void do_deprecated_warning(THD *thd);
virtual uchar *default_value_ptr(THD *thd)
{ return (uchar*)&option.def_value; }
private:
virtual bool do_check(THD *thd, set_var *var) = 0;
/**
......@@ -382,6 +385,7 @@ extern SHOW_COMP_OPTION have_openssl;
*/
SHOW_VAR* enumerate_sys_vars(THD *thd, bool sorted, enum enum_var_type type);
int fill_sysvars(THD *thd, TABLE_LIST *tables, COND *cond);
sys_var *find_sys_var(THD *thd, const char *str, uint length=0);
int sql_set_variables(THD *thd, List<set_var_base> *var_list);
......
sql/sql_plugin.cc
View file @ 513f5840
......@@ -266,6 +266,8 @@ class sys_var_pluginvar: public sys_var, public Sql_alloc
{ return do_value_ptr(thd, OPT_SESSION, base); }
uchar* global_value_ptr(THD *thd, const LEX_STRING *base)
{ return do_value_ptr(thd, OPT_GLOBAL, base); }
uchar *default_value_ptr(THD *thd)
{ return do_value_ptr(thd, OPT_DEFAULT, 0); }
bool do_check(THD *thd, set_var *var);
virtual void session_save_default(THD *thd, set_var *var) {}
virtual void global_save_default(THD *thd, set_var *var) {}
......@@ -3239,6 +3241,9 @@ sys_var_pluginvar::sys_var_pluginvar(sys_var_chain *chain, const char *name_arg,
uchar* sys_var_pluginvar::real_value_ptr(THD *thd, enum_var_type type)
{
if (type == OPT_DEFAULT)
return (uchar*)&option.def_value;
DBUG_ASSERT(thd || (type == OPT_GLOBAL));
if (plugin_var->flags & PLUGIN_VAR_THDLOCAL)
{
......@@ -3307,7 +3312,7 @@ bool sys_var_pluginvar::session_update(THD *thd, set_var *var)
DBUG_ASSERT(thd == current_thd);
mysql_mutex_lock(&LOCK_global_system_variables);
void *tgt= real_value_ptr(thd, var->type);
void *tgt= real_value_ptr(thd, OPT_SESSION);
const void *src= var->value ? (void*)&var->save_result
: (void*)real_value_ptr(thd, OPT_GLOBAL);
mysql_mutex_unlock(&LOCK_global_system_variables);
......@@ -3322,7 +3327,7 @@ bool sys_var_pluginvar::global_update(THD *thd, set_var *var)
DBUG_ASSERT(!is_readonly());
mysql_mutex_assert_owner(&LOCK_global_system_variables);
void *tgt= real_value_ptr(thd, var->type);
void *tgt= real_value_ptr(thd, OPT_GLOBAL);
const void *src= &var->save_result;
if (!var->value)
......
sql/sql_show.cc
View file @ 513f5840
......@@ -116,10 +116,7 @@ static void get_cs_converted_string_value(THD *thd,
bool use_hex);
#endif
static void
append_algorithm(TABLE_LIST *table, String *buff);
static COND * make_cond_for_info_schema(COND *cond, TABLE_LIST *table);
static void append_algorithm(TABLE_LIST *table, String *buff);
bool get_lookup_field_values(THD *, COND *, TABLE_LIST *, LOOKUP_FIELD_VALUES *);
......@@ -3691,7 +3688,7 @@ bool uses_only_table_name_fields(Item *item, TABLE_LIST *table)
}
static COND * make_cond_for_info_schema(COND *cond, TABLE_LIST *table)
COND *make_cond_for_info_schema(COND *cond, TABLE_LIST *table)
{
if (!cond)
return (COND*) 0;
......@@ -8855,6 +8852,25 @@ ST_FIELD_INFO variables_fields_info[]=
};
ST_FIELD_INFO sysvars_fields_info[]=
{
{"VARIABLE_NAME", NAME_CHAR_LEN, MYSQL_TYPE_STRING, 0, 0, 0, 0},
{"SESSION_VALUE", 1024, MYSQL_TYPE_STRING, 0, MY_I_S_MAYBE_NULL, 0, 0},
{"GLOBAL_VALUE", 1024, MYSQL_TYPE_STRING, 0, MY_I_S_MAYBE_NULL, 0, 0},
{"DEFAULT_VALUE", 1024, MYSQL_TYPE_STRING, 0, MY_I_S_MAYBE_NULL, 0, 0},
{"VARIABLE_SCOPE", NAME_CHAR_LEN, MYSQL_TYPE_STRING, 0, 0, 0, 0},
{"VARIABLE_TYPE", NAME_CHAR_LEN, MYSQL_TYPE_STRING, 0, 0, 0, 0},
{"VARIABLE_COMMENT", TABLE_COMMENT_MAXLEN, MYSQL_TYPE_STRING, 0, 0, 0, 0},
{"NUMERIC_MIN_VALUE", MY_INT64_NUM_DECIMAL_DIGITS, MYSQL_TYPE_STRING, 0, MY_I_S_MAYBE_NULL, 0, 0},
{"NUMERIC_MAX_VALUE", MY_INT64_NUM_DECIMAL_DIGITS, MYSQL_TYPE_STRING, 0, MY_I_S_MAYBE_NULL, 0, 0},
{"NUMERIC_BLOCK_SIZE", MY_INT64_NUM_DECIMAL_DIGITS, MYSQL_TYPE_STRING, 0, MY_I_S_MAYBE_NULL, 0, 0},
{"ENUM_VALUE_LIST", 65535, MYSQL_TYPE_STRING, 0, MY_I_S_MAYBE_NULL, 0, 0},
{"READ_ONLY", 3, MYSQL_TYPE_STRING, 0, 0, 0, 0},
{"COMMAND_LINE_ARGUMENT", NAME_CHAR_LEN, MYSQL_TYPE_STRING, 0, MY_I_S_MAYBE_NULL, 0, 0},
{0, 0, MYSQL_TYPE_STRING, 0, 0, 0, 0}
};
ST_FIELD_INFO processlist_fields_info[]=
{
{"ID", 4, MYSQL_TYPE_LONGLONG, 0, 0, "Id", SKIP_OPEN_TABLE},
......@@ -9174,6 +9190,8 @@ ST_SCHEMA_TABLE schema_tables[]=
{"STATISTICS", stat_fields_info, create_schema_table,
get_all_tables, make_old_format, get_schema_stat_record, 1, 2, 0,
OPEN_TABLE_ONLY|OPTIMIZE_I_S_TABLE},
{"SYSTEM_VARIABLES", sysvars_fields_info, create_schema_table,
fill_sysvars, make_old_format, 0, 0, -1, 0, 0},
{"TABLES", tables_fields_info, create_schema_table,
get_all_tables, make_old_format, get_schema_tables_record, 1, 2, 0,
OPTIMIZE_I_S_TABLE},
......
sql/sql_show.h
View file @ 513f5840
......@@ -112,6 +112,7 @@ void view_store_options(THD *thd, TABLE_LIST *table, String *buff);
void init_fill_schema_files_row(TABLE* table);
bool schema_table_store_record(THD *thd, TABLE *table);
void initialize_information_schema_acl();
COND *make_cond_for_info_schema(COND *cond, TABLE_LIST *table);
ST_SCHEMA_TABLE *find_schema_table(THD *thd, const char* table_name);
ST_SCHEMA_TABLE *get_schema_table(enum enum_schema_tables schema_table_idx);
......
sql/sys_vars.h
View file @ 513f5840
......@@ -333,10 +333,14 @@ class Sys_var_enum: public Sys_var_typelib
{ var->save_result.ulonglong_value= global_var(ulong); }
void global_save_default(THD *thd, set_var *var)
{ var->save_result.ulonglong_value= option.def_value; }
uchar *valptr(THD *thd, ulong val)
{ return (uchar*)typelib.type_names[val]; }
uchar *session_value_ptr(THD *thd, const LEX_STRING *base)
{ return (uchar*)typelib.type_names[session_var(thd, ulong)]; }
{ return valptr(thd, session_var(thd, ulong)); }
uchar *global_value_ptr(THD *thd, const LEX_STRING *base)
{ return (uchar*)typelib.type_names[global_var(ulong)]; }
{ return valptr(thd, global_var(ulong)); }
uchar *default_value_ptr(THD *thd)
{ return valptr(thd, option.def_value); }
};
/**
......@@ -547,7 +551,7 @@ class Sys_var_external_user : public Sys_var_proxy_user
{}
protected:
virtual uchar *session_value_ptr(THD *thd, const LEX_STRING *base)
uchar *session_value_ptr(THD *thd, const LEX_STRING *base)
{
return (uchar*)thd->security_ctx->external_user;
}
......@@ -705,10 +709,6 @@ class Sys_var_session_lexstring: public sys_var
{
DBUG_ASSERT(FALSE);
}
uchar *session_value_ptr(THD *thd, const LEX_STRING *base)
{
return (uchar*) &session_var(thd, LEX_STRING);
}
uchar *global_value_ptr(THD *thd, const LEX_STRING *base)
{
DBUG_ASSERT(FALSE);
......@@ -790,6 +790,8 @@ class Sys_var_dbug: public sys_var
DBUG_EXPLAIN_INITIAL(buf, sizeof(buf));
return (uchar*) thd->strdup(buf);
}
uchar *default_value_ptr(THD *thd)
{ return (uchar*)""; }
};
#endif
......@@ -1164,16 +1166,14 @@ class Sys_var_flagset: public Sys_var_typelib
{ var->save_result.ulonglong_value= global_var(ulonglong); }
void global_save_default(THD *thd, set_var *var)
{ var->save_result.ulonglong_value= option.def_value; }
uchar *valptr(THD *thd, ulonglong val)
{ return (uchar*)flagset_to_string(thd, 0, val, typelib.type_names); }
uchar *session_value_ptr(THD *thd, const LEX_STRING *base)
{
return (uchar*)flagset_to_string(thd, 0, session_var(thd, ulonglong),
typelib.type_names);
}
{ return valptr(thd, session_var(thd, ulonglong)); }
uchar *global_value_ptr(THD *thd, const LEX_STRING *base)
{
return (uchar*)flagset_to_string(thd, 0, global_var(ulonglong),
typelib.type_names);
}
{ return valptr(thd, global_var(ulonglong)); }
uchar *default_value_ptr(THD *thd)
{ return valptr(thd, option.def_value); }
};
/**
......@@ -1265,16 +1265,14 @@ class Sys_var_set: public Sys_var_typelib
{ var->save_result.ulonglong_value= global_var(ulonglong); }
void global_save_default(THD *thd, set_var *var)
{ var->save_result.ulonglong_value= option.def_value; }
uchar *valptr(THD *thd, ulonglong val)
{ return (uchar*)set_to_string(thd, 0, val, typelib.type_names); }
uchar *session_value_ptr(THD *thd, const LEX_STRING *base)
{
return (uchar*)set_to_string(thd, 0, session_var(thd, ulonglong),
typelib.type_names);
}
{ return valptr(thd, session_var(thd, ulonglong)); }
uchar *global_value_ptr(THD *thd, const LEX_STRING *base)
{
return (uchar*)set_to_string(thd, 0, global_var(ulonglong),
typelib.type_names);
}
{ return valptr(thd, global_var(ulonglong)); }
uchar *default_value_ptr(THD *thd)
{ return valptr(thd, option.def_value); }
};
/**
......@@ -1368,39 +1366,39 @@ class Sys_var_plugin: public sys_var
plugin_ref plugin= global_var(plugin_ref);
var->save_result.plugin= plugin ? my_plugin_lock(thd, plugin) : 0;
}
void global_save_default(THD *thd, set_var *var)
plugin_ref get_default(THD *thd)
{
LEX_STRING pname;
char *default_value= *reinterpret_cast<char**>(option.def_value);
if (!default_value)
var->save_result.plugin= 0;
else
{
pname.str= default_value;
pname.length= strlen(pname.str);
return 0;
plugin_ref plugin;
if (plugin_type == MYSQL_STORAGE_ENGINE_PLUGIN)
plugin= ha_resolve_by_name(thd, &pname, false);
else
plugin= my_plugin_lock_by_name(thd, &pname, plugin_type);
DBUG_ASSERT(plugin);
LEX_STRING pname= { default_value, strlen(pname.str) };
plugin_ref plugin;
var->save_result.plugin= my_plugin_lock(thd, plugin);
}
if (plugin_type == MYSQL_STORAGE_ENGINE_PLUGIN)
plugin= ha_resolve_by_name(thd, &pname, false);
else
plugin= my_plugin_lock_by_name(thd, &pname, plugin_type);
DBUG_ASSERT(plugin);
return my_plugin_lock(thd, plugin);
}
uchar *session_value_ptr(THD *thd, const LEX_STRING *base)
void global_save_default(THD *thd, set_var *var)
{
plugin_ref plugin= session_var(thd, plugin_ref);
return (uchar*)(plugin ? thd->strmake(plugin_name(plugin)->str,
plugin_name(plugin)->length) : 0);
var->save_result.plugin= get_default(thd);
}
uchar *global_value_ptr(THD *thd, const LEX_STRING *base)
uchar *valptr(THD *thd, plugin_ref plugin)
{
plugin_ref plugin= global_var(plugin_ref);
return (uchar*)(plugin ? thd->strmake(plugin_name(plugin)->str,
plugin_name(plugin)->length) : 0);
}
uchar *session_value_ptr(THD *thd, const LEX_STRING *base)
{ return valptr(thd, session_var(thd, plugin_ref)); }
uchar *global_value_ptr(THD *thd, const LEX_STRING *base)
{ return valptr(thd, global_var(plugin_ref)); }
uchar *default_value_ptr(THD *thd)
{ return valptr(thd, get_default(thd)); }
};
#if defined(ENABLED_DEBUG_SYNC)
......@@ -1466,6 +1464,8 @@ class Sys_var_debug_sync :public sys_var
DBUG_ASSERT(FALSE);
return 0;
}
uchar *default_value_ptr(THD *thd)
{ return (uchar*)""; }
};
#endif /* defined(ENABLED_DEBUG_SYNC) */
......@@ -1536,16 +1536,19 @@ class Sys_var_bit: public Sys_var_typelib
{ var->save_result.ulonglong_value= global_var(ulonglong) & bitmask; }
void global_save_default(THD *thd, set_var *var)
{ var->save_result.ulonglong_value= option.def_value; }
uchar *session_value_ptr(THD *thd, const LEX_STRING *base)
uchar *valptr(THD *thd, ulonglong val)
{
thd->sys_var_tmp.my_bool_value= reverse_semantics ^
((session_var(thd, ulonglong) & bitmask) != 0);
thd->sys_var_tmp.my_bool_value= reverse_semantics ^ ((val & bitmask) != 0);
return (uchar*) &thd->sys_var_tmp.my_bool_value;
}
uchar *session_value_ptr(THD *thd, const LEX_STRING *base)
{ return valptr(thd, session_var(thd, ulonglong)); }
uchar *global_value_ptr(THD *thd, const LEX_STRING *base)
{ return valptr(thd, global_var(ulonglong)); }
uchar *default_value_ptr(THD *thd)
{
thd->sys_var_tmp.my_bool_value= reverse_semantics ^
((global_var(ulonglong) & bitmask) != 0);
thd->sys_var_tmp.my_bool_value= option.def_value != 0;
return (uchar*) &thd->sys_var_tmp.my_bool_value;
}
};
......@@ -1612,6 +1615,11 @@ class Sys_var_session_special: public Sys_var_ulonglong
DBUG_ASSERT(FALSE);
return 0;
}
uchar *default_value_ptr(THD *thd)
{
thd->sys_var_tmp.ulonglong_value= 0;
return (uchar*) &thd->sys_var_tmp.ulonglong_value;
}
};
......@@ -1662,6 +1670,11 @@ class Sys_var_session_special_double: public Sys_var_double
DBUG_ASSERT(FALSE);
return 0;
}
uchar *default_value_ptr(THD *thd)
{
thd->sys_var_tmp.double_value= 0;
return (uchar*) &thd->sys_var_tmp.double_value;
}
};
......@@ -1698,6 +1711,7 @@ class Sys_var_have: public sys_var
SYSVAR_ASSERT(is_readonly());
SYSVAR_ASSERT(on_update == 0);
SYSVAR_ASSERT(size == sizeof(enum SHOW_COMP_OPTION));
option.var_type= GET_STR;
}
bool do_check(THD *thd, set_var *var) {
DBUG_ASSERT(FALSE);
......@@ -1790,16 +1804,14 @@ class Sys_var_struct: public sys_var
void **default_value= reinterpret_cast<void**>(option.def_value);
var->save_result.ptr= *default_value;
}
uchar *valptr(THD *thd, uchar *val)
{ return val ? *(uchar**)(val+name_offset) : 0; }
uchar *session_value_ptr(THD *thd, const LEX_STRING *base)
{
uchar *ptr= session_var(thd, uchar*);
return ptr ? *(uchar**)(ptr+name_offset) : 0;
}
{ return valptr(thd, session_var(thd, uchar*)); }
uchar *global_value_ptr(THD *thd, const LEX_STRING *base)
{
uchar *ptr= global_var(uchar*);
return ptr ? *(uchar**)(ptr+name_offset) : 0;
}
{ return valptr(thd, global_var(uchar*)); }
uchar *default_value_ptr(THD *thd)
{ return valptr(thd, *(uchar**)option.def_value); }
};
/**
......@@ -1868,6 +1880,8 @@ class Sys_var_tz: public sys_var
var->save_result.time_zone=
*(Time_zone**)(intptr)option.def_value;
}
uchar *valptr(THD *thd, Time_zone *val)
{ return (uchar *)(val->get_name()->ptr()); }
uchar *session_value_ptr(THD *thd, const LEX_STRING *base)
{
/*
......@@ -1879,12 +1893,12 @@ class Sys_var_tz: public sys_var
(binlog code stores session value only).
*/
thd->time_zone_used= 1;
return (uchar *)(session_var(thd, Time_zone*)->get_name()->ptr());
return valptr(thd, session_var(thd, Time_zone *));
}
uchar *global_value_ptr(THD *thd, const LEX_STRING *base)
{
return (uchar *)(global_var(Time_zone*)->get_name()->ptr());
}
{ return valptr(thd, global_var(Time_zone*)); }
uchar *default_value_ptr(THD *thd)
{ return valptr(thd, *(Time_zone**)option.def_value); }
};
/**
......@@ -2048,6 +2062,8 @@ class Sys_var_gtid_current_pos: public sys_var
getopt.arg_type, SHOW_CHAR, 0, NULL, VARIABLE_NOT_IN_BINLOG,
NULL, NULL, NULL)
{
SYSVAR_ASSERT(getopt.id < 0);
SYSVAR_ASSERT(is_readonly());
option.var_type= GET_STR;
}
bool do_check(THD *thd, set_var *var)
......@@ -2095,6 +2111,8 @@ class Sys_var_gtid_binlog_pos: public sys_var
getopt.arg_type, SHOW_CHAR, 0, NULL, VARIABLE_NOT_IN_BINLOG,
NULL, NULL, NULL)
{
SYSVAR_ASSERT(getopt.id < 0);
SYSVAR_ASSERT(is_readonly());
option.var_type= GET_STR;
}
bool do_check(THD *thd, set_var *var)
......@@ -2166,6 +2184,8 @@ class Sys_var_gtid_slave_pos: public sys_var
return NULL;
}
uchar *global_value_ptr(THD *thd, const LEX_STRING *base);
uchar *default_value_ptr(THD *thd)
{ return 0; }
};
......@@ -2206,6 +2226,8 @@ class Sys_var_gtid_binlog_state: public sys_var
return NULL;
}
uchar *global_value_ptr(THD *thd, const LEX_STRING *base);
uchar *default_value_ptr(THD *thd)
{ return 0; }
};
......@@ -2221,6 +2243,8 @@ class Sys_var_last_gtid: public sys_var
getopt.arg_type, SHOW_CHAR, 0, NULL, VARIABLE_NOT_IN_BINLOG,
NULL, NULL, NULL)
{
SYSVAR_ASSERT(getopt.id < 0);
SYSVAR_ASSERT(is_readonly());
option.var_type= GET_STR;
}
bool do_check(THD *thd, set_var *var)
......
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