3
3
set @my_flush =@@global.flush;
4
4
set @my_key_buffer_size =@@global.key_buffer_size;
5
5
set @my_max_connect_errors =@@global.max_connect_errors;
6
set @my_max_connections =@@global.max_connections;
6
7
set @my_max_heap_table_size =@@global.max_heap_table_size;
7
8
set @my_max_join_size =@@global.max_join_size;
8
9
set @my_net_buffer_length =@@global.net_buffer_length;
9
10
set @my_net_write_timeout =@@global.net_write_timeout;
10
11
set @my_net_read_timeout =@@global.net_read_timeout;
11
12
set @my_server_id =@@global.server_id;
13
set @my_slow_launch_time =@@global.slow_launch_time;
12
14
set @my_storage_engine =@@global.storage_engine;
14
16
select @test, @`test`, @TEST, @`TEST`, @"teSt";
247
249
NET_BUFFER_LENGTH 1024
248
250
set net_buffer_length=2000000000;
250
Error 1292 Truncated incorrect net_buffer_length value: '2000000000'
252
Warning 1292 Truncated incorrect net_buffer_length value: '2000000000'
251
253
show variables like 'net_buffer_length';
252
254
Variable_name Value
253
255
net_buffer_length 1048576
288
287
transaction_prealloc_size 20480
289
288
select * from information_schema.session_variables where variable_name like '%alloc%' order by 1;
290
289
VARIABLE_NAME VARIABLE_VALUE
291
INNODB_USE_SYS_MALLOC ON
292
290
QUERY_ALLOC_BLOCK_SIZE 17408
293
291
QUERY_PREALLOC_SIZE 18432
294
292
RANGE_ALLOC_BLOCK_SIZE
355
351
select @@delay_key_write;
356
352
@@delay_key_write
354
set interactive_timeout=100;
358
355
set join_buffer_size=100;
360
Error 1292 Truncated incorrect join_buffer_size value: '100'
357
Warning 1292 Truncated incorrect join_buffer_size value: '100'
361
358
set last_insert_id=1;
359
set global local_infile=1;
362
360
set max_allowed_packet=100;
364
Error 1292 Truncated incorrect max_allowed_packet value: '100'
362
Warning 1292 Truncated incorrect max_allowed_packet value: '100'
365
363
set global max_connect_errors=100;
364
set global max_connections=100;
366
365
set max_heap_table_size=100;
368
Error 1292 Truncated incorrect max_heap_table_size value: '100'
367
Warning 1292 Truncated incorrect max_heap_table_size value: '100'
369
368
set max_join_size=100;
370
369
set max_sort_length=100;
371
370
set max_tmp_tables=100;
372
371
set global max_write_lock_count=100;
373
372
set global myisam_sort_buffer_size=100;
375
Error 1292 Truncated incorrect sort_buffer_size value: '100'
374
Warning 1292 Truncated incorrect sort_buffer_size value: '100'
376
375
set net_buffer_length=100;
378
Error 1292 Truncated incorrect net_buffer_length value: '100'
377
Warning 1292 Truncated incorrect net_buffer_length value: '100'
379
378
set net_read_timeout=100;
380
379
set net_write_timeout=100;
381
380
set read_buffer_size=100;
383
Error 1292 Truncated incorrect read_buffer_size value: '100'
382
Warning 1292 Truncated incorrect read_buffer_size value: '100'
384
383
set read_rnd_buffer_size=100;
385
384
set global server_id=100;
385
set global slow_launch_time=100;
386
386
set sort_buffer_size=100;
388
Error 1292 Truncated incorrect sort_buffer_size value: '100'
388
Warning 1292 Truncated incorrect sort_buffer_size value: '100'
389
389
set sql_big_selects=1;
390
390
set sql_buffer_result=1;
391
391
set sql_safe_updates=1;
397
397
set timestamp=1, timestamp=default;
398
398
set tmp_table_size=100;
400
Error 1292 Truncated incorrect tmp_table_size value: '100'
400
Warning 1292 Truncated incorrect tmp_table_size value: '100'
401
401
set tx_isolation="READ-COMMITTED";
402
402
set wait_timeout=100;
403
403
create table t1 (a int not null auto_increment, primary key(a));
428
428
select @@session.key_buffer_size;
429
429
ERROR HY000: Variable 'key_buffer_size' is a GLOBAL variable
430
set init_connect = NULL;
431
ERROR HY000: Variable 'init_connect' is a GLOBAL variable and should be set with SET GLOBAL
432
set global init_connect = NULL;
430
433
set global myisam_max_sort_file_size=4294967296;
431
434
show global variables like 'myisam_max_sort_file_size';
432
435
Variable_name Value
466
469
show create table t1;
467
470
Table Create Table
468
471
t1 CREATE TABLE `t1` (
469
`c1` bigint DEFAULT NULL,
470
`c2` decimal(65,30) DEFAULT NULL,
472
`c4` double DEFAULT NULL
475
478
SET GLOBAL table_open_cache=-1;
477
Error 1292 Truncated incorrect table_open_cache value: '18446744073709551615'
480
Warning 1292 Truncated incorrect table_open_cache value: '0'
478
481
SHOW VARIABLES LIKE 'table_open_cache';
479
482
Variable_name Value
481
SELECT * FROM INFORMATION_SCHEMA.SESSION_VARIABLES WHERE VARIABLE_NAME LIKE 'table_open_cache';
482
VARIABLE_NAME VARIABLE_VALUE
484
484
SET GLOBAL table_open_cache=DEFAULT;
485
485
*** Various tests with LC_TIME_NAMES
486
486
*** LC_TIME_NAMES: testing case insensitivity
630
630
show variables like 'sql_warnings';
631
631
Variable_name Value
633
select @@system_time_zone;
633
636
select @@version, @@version_comment, @@version_compile_machine,
634
637
@@version_compile_os;
635
638
@@version @@version_comment @@version_compile_machine @@version_compile_os
667
670
ERROR HY000: Unknown system variable 'flush_time'
668
671
set global key_buffer_size =@my_key_buffer_size;
669
672
set global max_connect_errors =@my_max_connect_errors;
673
set global max_connections =@my_max_connections;
670
674
set global max_heap_table_size =@my_max_heap_table_size;
671
675
set global max_join_size =@my_max_join_size;
672
676
set global max_write_lock_count =default;
676
680
set global net_write_timeout =@my_net_write_timeout;
677
681
set global net_read_timeout =@my_net_read_timeout;
678
682
set global server_id =@my_server_id;
683
set global slow_launch_time =@my_slow_launch_time;
679
684
set global storage_engine =@my_storage_engine;
680
685
set global thread_cache_size =@my_thread_cache_size;
681
686
ERROR HY000: Unknown system variable 'thread_cache_size'