140
158
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
142
160
Note 1003 select 345 AS `@@IDENTITY`,last_insert_id() AS `last_insert_id()`,345 AS `@@identity`
161
set big_tables=OFF, big_tables=ON, big_tables=0, big_tables=1, big_tables="OFF", big_tables="ON";
162
set global concurrent_insert=2;
163
show variables like 'concurrent_insert';
166
select * from information_schema.session_variables where variable_name like 'concurrent_insert';
167
VARIABLE_NAME VARIABLE_VALUE
169
set global concurrent_insert=1;
170
show variables like 'concurrent_insert';
173
select * from information_schema.session_variables where variable_name like 'concurrent_insert';
174
VARIABLE_NAME VARIABLE_VALUE
176
set global concurrent_insert=0;
177
show variables like 'concurrent_insert';
180
select * from information_schema.session_variables where variable_name like 'concurrent_insert';
181
VARIABLE_NAME VARIABLE_VALUE
183
set global concurrent_insert=DEFAULT;
184
select @@concurrent_insert;
143
187
set global timed_mutexes=ON;
144
188
show variables like 'timed_mutexes';
145
189
Variable_name Value
147
select * from data_dictionary.session_variables where variable_name like 'timed_mutexes';
191
select * from information_schema.session_variables where variable_name like 'timed_mutexes';
148
192
VARIABLE_NAME VARIABLE_VALUE
150
194
set global timed_mutexes=0;
151
195
show variables like 'timed_mutexes';
152
196
Variable_name Value
153
197
timed_mutexes OFF
154
select * from data_dictionary.session_variables where variable_name like 'timed_mutexes';
198
select * from information_schema.session_variables where variable_name like 'timed_mutexes';
155
199
VARIABLE_NAME VARIABLE_VALUE
157
set storage_engine=MYISAM, storage_engine="MEMORY";
201
set storage_engine=MYISAM, storage_engine="HEAP";
158
202
show local variables like 'storage_engine';
159
203
Variable_name Value
160
204
storage_engine MEMORY
161
select * from data_dictionary.session_variables where variable_name like 'storage_engine';
205
select * from information_schema.session_variables where variable_name like 'storage_engine';
162
206
VARIABLE_NAME VARIABLE_VALUE
163
storage_engine MEMORY
207
STORAGE_ENGINE MEMORY
164
208
show global variables like 'storage_engine';
165
209
Variable_name Value
166
storage_engine InnoDB
167
select * from data_dictionary.global_variables where variable_name like 'storage_engine';
210
storage_engine MyISAM
211
select * from information_schema.global_variables where variable_name like 'storage_engine';
168
212
VARIABLE_NAME VARIABLE_VALUE
169
storage_engine InnoDB
213
STORAGE_ENGINE MyISAM
214
set GLOBAL query_cache_size=100000;
170
215
set GLOBAL myisam_max_sort_file_size=2000000;
171
216
show global variables like 'myisam_max_sort_file_size';
172
217
Variable_name Value
173
myisam_max_sort_file_size 2000000
174
select * from data_dictionary.global_variables where variable_name like 'myisam_max_sort_file_size';
218
myisam_max_sort_file_size 1048576
219
select * from information_schema.global_variables where variable_name like 'myisam_max_sort_file_size';
175
220
VARIABLE_NAME VARIABLE_VALUE
176
myisam_max_sort_file_size 2000000
221
MYISAM_MAX_SORT_FILE_SIZE 1048576
177
222
set GLOBAL myisam_max_sort_file_size=default;
178
223
show global variables like 'myisam_max_sort_file_size';
179
224
Variable_name Value
180
myisam_max_sort_file_size 2147483647
181
select * from data_dictionary.global_variables where variable_name like 'myisam_max_sort_file_size';
182
VARIABLE_NAME VARIABLE_VALUE
183
myisam_max_sort_file_size 2147483647
184
set global mysql_protocol_buffer_length=1024;
185
show global variables like 'mysql_protocol_buffer_%';
187
mysql_protocol_buffer_length 1024
188
select * from data_dictionary.global_variables where variable_name like 'mysql_protocol_buffer_%';
189
VARIABLE_NAME VARIABLE_VALUE
190
mysql_protocol_buffer_length 1024
191
show global variables like 'mysql_protocol_buffer_%';
193
mysql_protocol_buffer_length 1024
194
select * from data_dictionary.global_variables where variable_name like 'mysql_protocol_buffer_%';
195
VARIABLE_NAME VARIABLE_VALUE
196
mysql_protocol_buffer_length 1024
197
set global mysql_protocol_buffer_length=1;
199
Error 1292 Truncated incorrect buffer_length value: '1'
200
show variables like 'mysql_protocol_buffer_length';
202
mysql_protocol_buffer_length 1024
203
set global mysql_protocol_buffer_length=2000000000;
205
Error 1292 Truncated incorrect buffer_length value: '2000000000'
206
show variables like 'mysql_protocol_buffer_length';
208
mysql_protocol_buffer_length 1048576
225
myisam_max_sort_file_size FILE_SIZE
226
select * from information_schema.global_variables where variable_name like 'myisam_max_sort_file_size';
227
VARIABLE_NAME VARIABLE_VALUE
228
MYISAM_MAX_SORT_FILE_SIZE FILE_SIZE
229
set global net_retry_count=10, session net_retry_count=10;
230
set global net_buffer_length=1024, net_write_timeout=200, net_read_timeout=300;
231
set session net_buffer_length=2048, net_write_timeout=500, net_read_timeout=600;
232
show global variables like 'net_%';
234
net_buffer_length 1024
237
net_write_timeout 200
238
select * from information_schema.global_variables where variable_name like 'net_%' order by 1;
239
VARIABLE_NAME VARIABLE_VALUE
240
NET_BUFFER_LENGTH 1024
243
NET_WRITE_TIMEOUT 200
244
show session variables like 'net_%';
246
net_buffer_length 2048
249
net_write_timeout 500
250
select * from information_schema.session_variables where variable_name like 'net_%' order by 1;
251
VARIABLE_NAME VARIABLE_VALUE
252
NET_BUFFER_LENGTH 2048
255
NET_WRITE_TIMEOUT 500
256
set session net_buffer_length=8000, global net_read_timeout=900, net_write_timeout=1000;
257
show global variables like 'net_%';
259
net_buffer_length 1024
262
net_write_timeout 1000
263
select * from information_schema.global_variables where variable_name like 'net_%' order by 1;
264
VARIABLE_NAME VARIABLE_VALUE
265
NET_BUFFER_LENGTH 1024
268
NET_WRITE_TIMEOUT 1000
269
show session variables like 'net_%';
271
net_buffer_length 7168
274
net_write_timeout 500
275
select * from information_schema.session_variables where variable_name like 'net_%' order by 1;
276
VARIABLE_NAME VARIABLE_VALUE
277
NET_BUFFER_LENGTH 7168
280
NET_WRITE_TIMEOUT 500
281
set net_buffer_length=1;
283
Warning 1292 Truncated incorrect net_buffer_length value: '1'
284
show variables like 'net_buffer_length';
286
net_buffer_length 1024
287
select * from information_schema.session_variables where variable_name like 'net_buffer_length';
288
VARIABLE_NAME VARIABLE_VALUE
289
NET_BUFFER_LENGTH 1024
290
set net_buffer_length=2000000000;
292
Warning 1292 Truncated incorrect net_buffer_length value: '2000000000'
293
show variables like 'net_buffer_length';
295
net_buffer_length 1048576
296
select * from information_schema.session_variables where variable_name like 'net_buffer_length';
297
VARIABLE_NAME VARIABLE_VALUE
298
NET_BUFFER_LENGTH 1048576
299
set character set cp1251_koi8;
300
show variables like "character_set_client";
302
character_set_client cp1251
303
select * from information_schema.session_variables where variable_name like 'character_set_client';
304
VARIABLE_NAME VARIABLE_VALUE
305
CHARACTER_SET_CLIENT cp1251
306
select @@timestamp>0;
309
set @@rand_seed1=10000000,@@rand_seed2=1000000;
310
select ROUND(RAND(),5);
209
313
show variables like '%alloc%';
210
314
Variable_name Value
211
innodb_use_sys_malloc ON
212
315
query_alloc_block_size 8192
213
316
query_prealloc_size 8192
214
317
range_alloc_block_size 4096
215
select * from data_dictionary.session_variables where variable_name like '%alloc%';
318
transaction_alloc_block_size 8192
319
transaction_prealloc_size 4096
320
select * from information_schema.session_variables where variable_name like '%alloc%' order by 1;
216
321
VARIABLE_NAME VARIABLE_VALUE
217
innodb_use_sys_malloc ON
218
query_alloc_block_size 8192
219
query_prealloc_size 8192
220
range_alloc_block_size 4096
322
QUERY_ALLOC_BLOCK_SIZE 8192
323
QUERY_PREALLOC_SIZE 8192
324
RANGE_ALLOC_BLOCK_SIZE 4096
325
TRANSACTION_ALLOC_BLOCK_SIZE 8192
326
TRANSACTION_PREALLOC_SIZE 4096
221
327
set @@range_alloc_block_size=1024*16;
222
328
set @@query_alloc_block_size=1024*17+2;
223
329
set @@query_prealloc_size=1024*18;
330
set @@transaction_alloc_block_size=1024*20-1;
331
set @@transaction_prealloc_size=1024*21-1;
224
332
select @@query_alloc_block_size;
225
333
@@query_alloc_block_size
227
335
show variables like '%alloc%';
228
336
Variable_name Value
229
innodb_use_sys_malloc ON
230
337
query_alloc_block_size 17408
231
338
query_prealloc_size 18432
232
339
range_alloc_block_size 16384
233
select * from data_dictionary.session_variables where variable_name like '%alloc%';
340
transaction_alloc_block_size 19456
341
transaction_prealloc_size 20480
342
select * from information_schema.session_variables where variable_name like '%alloc%' order by 1;
234
343
VARIABLE_NAME VARIABLE_VALUE
235
innodb_use_sys_malloc ON
236
query_alloc_block_size 17408
237
query_prealloc_size 18432
238
range_alloc_block_size 16384
344
QUERY_ALLOC_BLOCK_SIZE 17408
345
QUERY_PREALLOC_SIZE 18432
346
RANGE_ALLOC_BLOCK_SIZE 16384
347
TRANSACTION_ALLOC_BLOCK_SIZE 19456
348
TRANSACTION_PREALLOC_SIZE 20480
239
349
set @@range_alloc_block_size=default;
240
350
set @@query_alloc_block_size=default, @@query_prealloc_size=default;
351
set transaction_alloc_block_size=default, @@transaction_prealloc_size=default;
241
352
show variables like '%alloc%';
242
353
Variable_name Value
243
innodb_use_sys_malloc ON
244
354
query_alloc_block_size 8192
245
355
query_prealloc_size 8192
246
356
range_alloc_block_size 4096
247
select * from data_dictionary.session_variables where variable_name like '%alloc%';
357
transaction_alloc_block_size 8192
358
transaction_prealloc_size 4096
359
select * from information_schema.session_variables where variable_name like '%alloc%' order by 1;
248
360
VARIABLE_NAME VARIABLE_VALUE
249
innodb_use_sys_malloc ON
250
query_alloc_block_size 8192
251
query_prealloc_size 8192
252
range_alloc_block_size 4096
361
QUERY_ALLOC_BLOCK_SIZE 8192
362
QUERY_PREALLOC_SIZE 8192
363
RANGE_ALLOC_BLOCK_SIZE 4096
364
TRANSACTION_ALLOC_BLOCK_SIZE 8192
365
TRANSACTION_PREALLOC_SIZE 4096
253
366
SELECT @@version LIKE 'non-existent';
254
367
@@version LIKE 'non-existent'
256
369
SELECT @@version_compile_os LIKE 'non-existent';
257
370
@@version_compile_os LIKE 'non-existent'
373
ERROR 42000: Variable 'big_tables' can't be set to the value of 'OFFF'
374
set big_tables="OFFF";
375
ERROR 42000: Variable 'big_tables' can't be set to the value of 'OFFF'
259
376
set unknown_variable=1;
260
377
ERROR HY000: Unknown system variable 'unknown_variable'
261
378
set max_join_size="hello";
262
379
ERROR 42000: Incorrect argument type to variable 'max_join_size'
263
380
set storage_engine=UNKNOWN_TABLE_TYPE;
264
381
ERROR 42000: Unknown table engine 'UNKNOWN_TABLE_TYPE'
382
set SESSION query_cache_size=10000;
383
ERROR HY000: Variable 'query_cache_size' is a GLOBAL variable and should be set with SET GLOBAL
265
384
set GLOBAL storage_engine=DEFAULT;
266
385
ERROR 42000: Variable 'storage_engine' doesn't have a default value
386
set character_set_client=UNKNOWN_CHARACTER_SET;
387
ERROR 42000: Unknown character set: 'UNKNOWN_CHARACTER_SET'
388
set collation_connection=UNKNOWN_COLLATION;
389
ERROR HY000: Unknown collation: 'UNKNOWN_COLLATION'
390
set character_set_client=NULL;
391
ERROR 42000: Variable 'character_set_client' can't be set to the value of 'NULL'
392
set collation_connection=NULL;
393
ERROR 42000: Variable 'collation_connection' can't be set to the value of 'NULL'
267
394
set global autocommit=1;
268
395
ERROR HY000: Variable 'autocommit' is a SESSION variable and can't be used with SET GLOBAL
269
396
select @@global.timestamp;
270
397
ERROR HY000: Variable 'timestamp' is a SESSION variable
271
398
set @@version='';
272
399
ERROR HY000: Variable 'version' is a read only variable
400
set @@concurrent_insert=1;
401
ERROR HY000: Variable 'concurrent_insert' is a GLOBAL variable and should be set with SET GLOBAL
402
set @@global.sql_auto_is_null=1;
403
ERROR HY000: Variable 'sql_auto_is_null' is a SESSION variable and can't be used with SET GLOBAL
404
select @@global.sql_auto_is_null;
405
ERROR HY000: Variable 'sql_auto_is_null' is a SESSION variable
273
406
set myisam_max_sort_file_size=100;
274
407
ERROR HY000: Variable 'myisam_max_sort_file_size' is a GLOBAL variable and should be set with SET GLOBAL
275
408
set @@SQL_WARNINGS=NULL;
276
409
ERROR 42000: Variable 'sql_warnings' can't be set to the value of 'NULL'
277
410
set autocommit=1;
412
select @@autocommit, @@big_tables;
413
@@autocommit @@big_tables
415
set global binlog_cache_size=100;
417
Warning 1292 Truncated incorrect binlog_cache_size value: '100'
281
418
set bulk_insert_buffer_size=100;
419
set character set cp1251_koi8;
420
set character set default;
421
set @@global.concurrent_insert=1;
422
set global connect_timeout=100;
423
select @@delay_key_write;
426
set global delay_key_write="OFF";
427
select @@delay_key_write;
430
set global delay_key_write=ALL;
431
select @@delay_key_write;
434
set global delay_key_write=1;
435
select @@delay_key_write;
438
set global delayed_insert_limit=100;
439
set global delayed_insert_timeout=100;
440
set global delayed_queue_size=100;
442
set global flush_time=100;
444
set interactive_timeout=100;
282
445
set join_buffer_size=100;
284
Error 1292 Truncated incorrect join_buffer_size value: '100'
447
Warning 1292 Truncated incorrect join_buffer_size value: '100'
285
448
set last_insert_id=1;
449
set global local_infile=1;
450
set long_query_time=0.000001;
451
select @@long_query_time;
454
set long_query_time=100.000001;
455
select @@long_query_time;
458
set low_priority_updates=1;
286
459
set max_allowed_packet=100;
288
Error 1292 Truncated incorrect max_allowed_packet value: '100'
461
Warning 1292 Truncated incorrect max_allowed_packet value: '100'
462
set global max_binlog_cache_size=100;
464
Warning 1292 Truncated incorrect max_binlog_cache_size value: '100'
465
set global max_binlog_size=100;
467
Warning 1292 Truncated incorrect max_binlog_size value: '100'
289
468
set global max_connect_errors=100;
469
set global max_connections=100;
470
set global max_delayed_threads=100;
290
471
set max_heap_table_size=100;
292
Error 1292 Truncated incorrect max_heap_table_size value: '100'
473
Warning 1292 Truncated incorrect max_heap_table_size value: '100'
293
474
set max_join_size=100;
294
475
set max_sort_length=100;
476
set max_tmp_tables=100;
477
set global max_user_connections=100;
478
select @@max_user_connections;
479
@@max_user_connections
295
481
set global max_write_lock_count=100;
296
set global myisam_sort_buffer_size=100;
298
Error 1292 Truncated incorrect sort_buffer_size value: '100'
299
set global mysql_protocol_buffer_length=100;
301
Error 1292 Truncated incorrect buffer_length value: '100'
482
set myisam_sort_buffer_size=100;
483
set net_buffer_length=100;
485
Warning 1292 Truncated incorrect net_buffer_length value: '100'
486
set net_read_timeout=100;
487
set net_write_timeout=100;
488
set global query_cache_limit=100;
489
set global query_cache_size=100;
490
set global query_cache_type=demand;
302
491
set read_buffer_size=100;
304
Error 1292 Truncated incorrect read_buffer_size value: '100'
493
Warning 1292 Truncated incorrect read_buffer_size value: '100'
305
494
set read_rnd_buffer_size=100;
495
set global rpl_recovery_rank=100;
306
496
set global server_id=100;
497
set global slow_launch_time=100;
307
498
set sort_buffer_size=100;
309
Error 1292 Truncated incorrect sort_buffer_size value: '100'
500
Warning 1292 Truncated incorrect sort_buffer_size value: '100'
501
set @@max_sp_recursion_depth=10;
502
select @@max_sp_recursion_depth;
503
@@max_sp_recursion_depth
505
set @@max_sp_recursion_depth=0;
506
select @@max_sp_recursion_depth;
507
@@max_sp_recursion_depth
509
set sql_auto_is_null=1;
510
select @@sql_auto_is_null;
513
set @@sql_auto_is_null=0;
514
select @@sql_auto_is_null;
310
517
set sql_big_selects=1;
518
set sql_big_tables=1;
311
519
set sql_buffer_result=1;
522
set sql_log_update=1;
524
Note 1315 The update log is deprecated and replaced by the binary log; SET SQL_LOG_UPDATE has been ignored
525
set sql_low_priority_updates=1;
526
set sql_max_join_size=200;
527
select @@sql_max_join_size,@@max_join_size;
528
@@sql_max_join_size @@max_join_size
530
set sql_quote_show_create=1;
531
set sql_safe_updates=1;
312
532
set sql_select_limit=1;
313
533
set sql_select_limit=default;
314
534
set sql_warnings=1;
315
535
set global table_open_cache=100;
316
536
set storage_engine=myisam;
537
set global thread_cache_size=100;
317
538
set timestamp=1, timestamp=default;
318
539
set tmp_table_size=100;
320
Error 1292 Truncated incorrect tmp_table_size value: '100'
541
Warning 1292 Truncated incorrect tmp_table_size value: '100'
321
542
set tx_isolation="READ-COMMITTED";
543
set wait_timeout=100;
545
set global log_warnings=1;
546
select @@session.insert_id;
549
set @save_insert_id=@@session.insert_id;
550
set session insert_id=20;
551
select @@session.insert_id;
554
set session last_insert_id=100;
555
select @@session.insert_id;
558
select @@session.last_insert_id;
559
@@session.last_insert_id
561
select @@session.insert_id;
564
set @@session.insert_id=@save_insert_id;
565
select @@session.insert_id;
568
create table t1 (a int not null auto_increment, primary key(a));
569
create table t2 (a int not null auto_increment, primary key(a));
570
insert into t1 values(null),(null),(null);
571
insert into t2 values(null),(null),(null);
572
set global key_buffer_size=100000;
573
select @@key_buffer_size;
576
select * from t1 where a=2;
579
select * from t2 where a=3;
583
Table Op Msg_type Msg_text
584
test.t1 check status OK
585
test.t2 check status OK
586
select max(a) +1, max(a) +2 into @xx,@yy from t1;
589
ERROR HY000: Unknown system variable 'xxxxxxxxxx'
593
select @@session.key_buffer_size;
594
ERROR HY000: Variable 'key_buffer_size' is a GLOBAL variable
595
set ft_boolean_syntax = @@init_connect;
596
ERROR HY000: Variable 'ft_boolean_syntax' is a GLOBAL variable and should be set with SET GLOBAL
597
set global ft_boolean_syntax = @@init_connect;
598
ERROR 42000: Variable 'ft_boolean_syntax' can't be set to the value of ''
599
set init_connect = NULL;
600
ERROR HY000: Variable 'init_connect' is a GLOBAL variable and should be set with SET GLOBAL
601
set global init_connect = NULL;
602
set ft_boolean_syntax = @@init_connect;
603
ERROR HY000: Variable 'ft_boolean_syntax' is a GLOBAL variable and should be set with SET GLOBAL
604
set global ft_boolean_syntax = @@init_connect;
605
ERROR 42000: Variable 'ft_boolean_syntax' can't be set to the value of ''
322
606
set global myisam_max_sort_file_size=4294967296;
323
607
show global variables like 'myisam_max_sort_file_size';
324
608
Variable_name Value
325
609
myisam_max_sort_file_size MAX_FILE_SIZE
326
select * from data_dictionary.global_variables where variable_name like 'myisam_max_sort_file_size';
610
select * from information_schema.global_variables where variable_name like 'myisam_max_sort_file_size';
327
611
VARIABLE_NAME VARIABLE_VALUE
328
myisam_max_sort_file_size MAX_FILE_SIZE
612
MYISAM_MAX_SORT_FILE_SIZE MAX_FILE_SIZE
329
613
set global myisam_max_sort_file_size=default;
330
create temporary table t1 (
614
select @@global.max_user_connections,@@local.max_join_size;
615
@@global.max_user_connections @@local.max_join_size
617
set @svc=@@global.max_user_connections, @svj=@@local.max_join_size;
618
select @@global.max_user_connections,@@local.max_join_size;
619
@@global.max_user_connections @@local.max_join_size
621
set @@global.max_user_connections=111,@@local.max_join_size=222;
622
select @@global.max_user_connections,@@local.max_join_size;
623
@@global.max_user_connections @@local.max_join_size
625
set @@global.max_user_connections=@@local.max_join_size,@@local.max_join_size=@@global.max_user_connections;
626
select @@global.max_user_connections,@@local.max_join_size;
627
@@global.max_user_connections @@local.max_join_size
629
set @@global.max_user_connections=@svc, @@local.max_join_size=@svj;
630
select @@global.max_user_connections,@@local.max_join_size;
631
@@global.max_user_connections @@local.max_join_size
638
set @@global.global.key_buffer_size= 1;
639
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'key_buffer_size= 1' at line 1
640
set GLOBAL global.key_buffer_size= 1;
641
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'key_buffer_size= 1' at line 1
642
SELECT @@global.global.key_buffer_size;
643
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'key_buffer_size' at line 1
644
SELECT @@global.session.key_buffer_size;
645
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'key_buffer_size' at line 1
646
SELECT @@global.local.key_buffer_size;
647
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'key_buffer_size' at line 1
648
set @tstlw = @@log_warnings;
649
show global variables like 'log_warnings';
652
select * from information_schema.global_variables where variable_name like 'log_warnings';
653
VARIABLE_NAME VARIABLE_VALUE
655
set global log_warnings = 0;
656
show global variables like 'log_warnings';
659
select * from information_schema.global_variables where variable_name like 'log_warnings';
660
VARIABLE_NAME VARIABLE_VALUE
662
set global log_warnings = 42;
663
show global variables like 'log_warnings';
666
select * from information_schema.global_variables where variable_name like 'log_warnings';
667
VARIABLE_NAME VARIABLE_VALUE
669
set global log_warnings = @tstlw;
670
show global variables like 'log_warnings';
673
select * from information_schema.global_variables where variable_name like 'log_warnings';
674
VARIABLE_NAME VARIABLE_VALUE
336
682
show create table t1;
337
683
Table Create Table
338
t1 CREATE TEMPORARY TABLE `t1` (
339
`c1` INT DEFAULT NULL,
340
`c2` INT DEFAULT NULL,
341
`c3` INT DEFAULT NULL,
342
`c4` INT DEFAULT NULL,
343
`c5` BIGINT DEFAULT NULL
344
) ENGINE=MyISAM COLLATE = utf8_general_ci
684
t1 CREATE TABLE `t1` (
685
`c1` tinyint(4) DEFAULT NULL,
686
`c2` smallint(6) DEFAULT NULL,
687
`c3` mediumint(9) DEFAULT NULL,
688
`c4` int(11) DEFAULT NULL,
689
`c5` bigint(20) DEFAULT NULL
690
) ENGINE=MyISAM DEFAULT CHARSET=latin1
346
692
set @arg00= 8, @arg01= 8.8, @arg02= 'a string', @arg03= 0.2e0;
347
create temporary table t1 as select @arg00 as c1, @arg01 as c2, @arg02 as c3, @arg03 as c4;
693
create table t1 as select @arg00 as c1, @arg01 as c2, @arg02 as c3, @arg03 as c4;
348
694
show create table t1;
349
695
Table Create Table
350
t1 CREATE TEMPORARY TABLE `t1` (
351
`c1` BIGINT DEFAULT NULL,
352
`c2` DECIMAL(65,30) DEFAULT NULL,
353
`c3` TEXT COLLATE utf8_general_ci,
354
`c4` DOUBLE DEFAULT NULL
355
) ENGINE=MyISAM COLLATE = utf8_general_ci
696
t1 CREATE TABLE `t1` (
697
`c1` bigint(20) DEFAULT NULL,
698
`c2` decimal(65,30) DEFAULT NULL,
700
`c4` double DEFAULT NULL
701
) ENGINE=MyISAM DEFAULT CHARSET=latin1
703
SET GLOBAL MYISAM_DATA_POINTER_SIZE= 7;
704
SHOW VARIABLES LIKE 'MYISAM_DATA_POINTER_SIZE';
706
myisam_data_pointer_size 7
707
SELECT * FROM INFORMATION_SCHEMA.SESSION_VARIABLES WHERE VARIABLE_NAME LIKE 'MYISAM_DATA_POINTER_SIZE';
708
VARIABLE_NAME VARIABLE_VALUE
709
MYISAM_DATA_POINTER_SIZE 7
357
710
SET GLOBAL table_open_cache=-1;
359
Error 1292 Truncated incorrect table_open_cache value: '18446744073709551615'
712
Warning 1292 Truncated incorrect table_open_cache value: '0'
360
713
SHOW VARIABLES LIKE 'table_open_cache';
361
714
Variable_name Value
363
SELECT * FROM DATA_DICTIONARY.SESSION_VARIABLES WHERE VARIABLE_NAME LIKE 'table_open_cache';
716
SELECT * FROM INFORMATION_SCHEMA.SESSION_VARIABLES WHERE VARIABLE_NAME LIKE 'table_open_cache';
364
717
VARIABLE_NAME VARIABLE_VALUE
366
719
SET GLOBAL table_open_cache=DEFAULT;
720
set character_set_results=NULL;
721
select ifnull(@@character_set_results,"really null");
722
ifnull(@@character_set_results,"really null")
725
select @@have_innodb;
367
728
*** Various tests with LC_TIME_NAMES
368
729
*** LC_TIME_NAMES: testing case insensitivity
369
730
set @@lc_time_names='ru_ru';