variables.test 13.1 KB
Newer Older
1 2 3
#
# test variables
#
4 5 6 7
--disable_warnings
drop table if exists t1,t2;
--enable_warnings

8 9 10 11 12 13 14 15 16 17 18 19 20 21
# case insensitivity tests (new in 5.0)
set @`test`=1;
select @test, @`test`, @TEST, @`TEST`, @"teSt";
set @TEST=2;
select @test, @`test`, @TEST, @`TEST`, @"teSt";
set @"tEST"=3;
select @test, @`test`, @TEST, @`TEST`, @"teSt";
set @`TeST`=4;
select @test, @`test`, @TEST, @`TEST`, @"teSt";
select @`teST`:=5;
select @test, @`test`, @TEST, @`TEST`, @"teSt";

set @select=2,@t5=1.23456;
select @`select`,@not_used;
22
set @test_int=10,@test_double=1e-10,@test_string="abcdeghi",@test_string2="abcdefghij",@select=NULL;
unknown's avatar
unknown committed
23
--replace_result e-0 e- e+0 e+
24 25 26 27 28 29 30 31
select @test_int,@test_double,@test_string,@test_string2,@select;
set @test_int="hello",@test_double="hello",@test_string="hello",@test_string2="hello";
select @test_int,@test_double,@test_string,@test_string2;
set @test_int="hellohello",@test_double="hellohello",@test_string="hellohello",@test_string2="hellohello";
select @test_int,@test_double,@test_string,@test_string2;
set @test_int=null,@test_double=null,@test_string=null,@test_string2=null;
select @test_int,@test_double,@test_string,@test_string2;
select @t1:=(@t2:=1)+@t3:=4,@t1,@t2,@t3;
32
explain extended select @t1:=(@t2:=1)+@t3:=4,@t1,@t2,@t3;
33 34
select @t5;

unknown's avatar
unknown committed
35 36 37 38 39 40 41 42 43 44 45 46
#
# Test problem with WHERE and variables
#

CREATE TABLE t1 (c_id INT(4) NOT NULL, c_name CHAR(20), c_country CHAR(3), PRIMARY KEY(c_id));
INSERT INTO t1 VALUES (1,'Bozo','USA'),(2,'Ronald','USA'),(3,'Kinko','IRE'),(4,'Mr. Floppy','GB');
SELECT @min_cid:=min(c_id), @max_cid:=max(c_id) from t1;
SELECT * FROM t1 WHERE c_id=@min_cid OR c_id=@max_cid;
SELECT * FROM t1 WHERE c_id=@min_cid OR c_id=@max_cid OR c_id=666;
ALTER TABLE t1 DROP PRIMARY KEY;
select * from t1 where c_id=@min_cid OR c_id=@max_cid;
drop table t1;
47 48 49 50

#
# Test system variables
#
51
set GLOBAL max_join_size=10;
unknown's avatar
unknown committed
52 53
set max_join_size=100;
show variables like 'max_join_size';
54
--replace_result 18446744073709551615 HA_POS_ERROR 4294967295 HA_POS_ERROR
unknown's avatar
unknown committed
55 56 57 58
show global variables like 'max_join_size';
set GLOBAL max_join_size=2000;
show global variables like 'max_join_size';
set max_join_size=DEFAULT;
59
--replace_result 18446744073709551615 HA_POS_ERROR 4294967295 HA_POS_ERROR
unknown's avatar
unknown committed
60 61
show variables like 'max_join_size';
set GLOBAL max_join_size=DEFAULT;
62
--replace_result 18446744073709551615 HA_POS_ERROR 4294967295 HA_POS_ERROR
unknown's avatar
unknown committed
63 64 65 66
show global variables like 'max_join_size';
set @@max_join_size=1000, @@global.max_join_size=2000;
select @@local.max_join_size, @@global.max_join_size;
select @@identity,  length(@@version)>0;
67 68
select @@VERSION=version();
select last_insert_id(345);
69
explain extended select last_insert_id(345);
unknown's avatar
unknown committed
70
select @@IDENTITY,last_insert_id(), @@identity;
71
explain extended select @@IDENTITY,last_insert_id(), @@identity;
unknown's avatar
unknown committed
72 73 74

set big_tables=OFF, big_tables=ON, big_tables=0, big_tables=1, big_tables="OFF", big_tables="ON";

75
set global concurrent_insert=2;
unknown's avatar
unknown committed
76 77 78 79 80 81
show variables like 'concurrent_insert';
set global concurrent_insert=1;
show variables like 'concurrent_insert';
set global concurrent_insert=0;
show variables like 'concurrent_insert';
set global concurrent_insert=DEFAULT;
82
select @@concurrent_insert;
unknown's avatar
unknown committed
83

84
set global timed_mutexes=ON;
unknown's avatar
unknown committed
85 86 87 88
show variables like 'timed_mutexes';
set global timed_mutexes=0;
show variables like 'timed_mutexes';

unknown's avatar
unknown committed
89
set storage_engine=MYISAM, storage_engine="HEAP", global storage_engine="MERGE";
unknown's avatar
unknown committed
90 91
show local variables like 'storage_engine';
show global variables like 'storage_engine';
unknown's avatar
unknown committed
92 93
set GLOBAL query_cache_size=100000;

94
set GLOBAL myisam_max_sort_file_size=2000000;
unknown's avatar
unknown committed
95
show global variables like 'myisam_max_sort_file_size';
96
set GLOBAL myisam_max_sort_file_size=default;
97
--replace_result 2147483647 FILE_SIZE 9223372036854775807 FILE_SIZE
unknown's avatar
unknown committed
98 99
show variables like 'myisam_max_sort_file_size';

100
set global net_retry_count=10, session net_retry_count=10;
unknown's avatar
unknown committed
101 102 103 104 105 106 107 108 109 110 111 112 113
set global net_buffer_length=1024, net_write_timeout=200, net_read_timeout=300;
set session net_buffer_length=2048, net_write_timeout=500, net_read_timeout=600;
show global variables like 'net_%';
show session variables like 'net_%';
set session net_buffer_length=8000, global net_read_timeout=900, net_write_timeout=1000;
show global variables like 'net_%';
show session variables like 'net_%';
set net_buffer_length=1;
show variables like 'net_buffer_length';
set net_buffer_length=2000000000;
show variables like 'net_buffer_length';

set character set cp1251_koi8;
114
show variables like "character_set_client";
unknown's avatar
unknown committed
115 116
select @@timestamp>0;

117 118 119
set @@rand_seed1=10000000,@@rand_seed2=1000000;
select ROUND(RAND(),5);

120 121 122 123 124 125 126 127 128 129 130 131
show variables like '%alloc%';
set @@range_alloc_block_size=1024*16;
set @@query_alloc_block_size=1024*17+2;
set @@query_prealloc_size=1024*18;
set @@transaction_alloc_block_size=1024*20-1;
set @@transaction_prealloc_size=1024*21-1;
select @@query_alloc_block_size;
show variables like '%alloc%';
set @@range_alloc_block_size=default;
set @@query_alloc_block_size=default, @@query_prealloc_size=default;
set transaction_alloc_block_size=default, @@transaction_prealloc_size=default;
show variables like '%alloc%';
132

unknown's avatar
unknown committed
133 134 135 136 137 138 139
#
# Bug #10904 Illegal mix of collations between
# a system variable and a constant
#
SELECT @@version LIKE 'non-existent';
SELECT @@version_compile_os LIKE 'non-existent';

unknown's avatar
unknown committed
140 141 142 143 144 145
# The following should give errors

--error 1231
set big_tables=OFFF;
--error 1231
set big_tables="OFFF";
146
--error 1193
unknown's avatar
unknown committed
147 148 149
set unknown_variable=1;
--error 1232
set max_join_size="hello";
unknown's avatar
unknown committed
150
--error 1286
unknown's avatar
unknown committed
151
set storage_engine=UNKNOWN_TABLE_TYPE;
unknown's avatar
unknown committed
152
--error 1231
unknown's avatar
unknown committed
153
set storage_engine=MERGE, big_tables=2;
unknown's avatar
unknown committed
154
show local variables like 'storage_engine';
unknown's avatar
unknown committed
155 156 157
--error 1229
set SESSION query_cache_size=10000;
--error 1230
unknown's avatar
unknown committed
158
set GLOBAL storage_engine=DEFAULT;
unknown's avatar
unknown committed
159
--error 1115
160
set character_set_client=UNKNOWN_CHARACTER_SET;
unknown's avatar
unknown committed
161
--error 1273
162
set collation_connection=UNKNOWN_COLLATION;
163 164 165 166
--error 1231
set character_set_client=NULL;
--error 1231
set collation_connection=NULL;
unknown's avatar
unknown committed
167 168
--error 1228
set global autocommit=1;
169
--error 1238
unknown's avatar
unknown committed
170 171 172 173 174 175 176
select @@global.timestamp;
--error 1193
set @@version='';
--error 1229
set @@concurrent_insert=1;
--error 1228
set @@global.sql_auto_is_null=1;
177
--error 1238
unknown's avatar
unknown committed
178
select @@global.sql_auto_is_null;
179 180
--error 1229
set myisam_max_sort_file_size=100;
181 182
--error 1231
set @@SQL_WARNINGS=NULL;
unknown's avatar
unknown committed
183 184 185 186 187 188 189 190

# Test setting all variables

set autocommit=1;
set big_tables=1;
select @@autocommit, @@big_tables;
set global binlog_cache_size=100;
set bulk_insert_buffer_size=100;
unknown's avatar
unknown committed
191 192
set character set cp1251_koi8;
set character set default;
unknown's avatar
unknown committed
193 194
set @@global.concurrent_insert=1;
set global connect_timeout=100;
195 196 197 198 199
select @@delay_key_write;
set global delay_key_write="OFF";
select @@delay_key_write;
set global delay_key_write=ALL;
select @@delay_key_write;
unknown's avatar
unknown committed
200
set global delay_key_write=1;
201
select @@delay_key_write;
unknown's avatar
unknown committed
202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239
set global delayed_insert_limit=100;
set global delayed_insert_timeout=100;
set global delayed_queue_size=100;
set global flush=1;
set global flush_time=100;
set insert_id=1;
set interactive_timeout=100;
set join_buffer_size=100;
set last_insert_id=1;
set global local_infile=1;
set long_query_time=100;
set low_priority_updates=1;
set max_allowed_packet=100;
set global max_binlog_cache_size=100;
set global max_binlog_size=100;
set global max_connect_errors=100;
set global max_connections=100;
set global max_delayed_threads=100;
set max_heap_table_size=100;
set max_join_size=100;
set max_sort_length=100;
set max_tmp_tables=100;
set global max_user_connections=100;
select @@max_user_connections;
set global max_write_lock_count=100;
set myisam_sort_buffer_size=100;
set net_buffer_length=100;
set net_read_timeout=100;
set net_write_timeout=100;
set global query_cache_limit=100;
set global query_cache_size=100;
set global query_cache_type=demand;
set read_buffer_size=100;
set read_rnd_buffer_size=100;
set global rpl_recovery_rank=100;
set global server_id=100;
set global slow_launch_time=100;
set sort_buffer_size=100;
240 241 242 243
set @@max_sp_recursion_depth=10;
select @@max_sp_recursion_depth;
set @@max_sp_recursion_depth=0;
select @@max_sp_recursion_depth;
unknown's avatar
unknown committed
244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261
set sql_auto_is_null=1;
select @@sql_auto_is_null;
set @@sql_auto_is_null=0;
select @@sql_auto_is_null;
set sql_big_selects=1;
set sql_big_tables=1;
set sql_buffer_result=1;
set sql_log_bin=1;
set sql_log_off=1;
set sql_log_update=1;
set sql_low_priority_updates=1;
set sql_max_join_size=200;
select @@sql_max_join_size,@@max_join_size;
set sql_quote_show_create=1;
set sql_safe_updates=1;
set sql_select_limit=1;
set sql_warnings=1;
set global table_cache=100;
unknown's avatar
unknown committed
262
set storage_engine=myisam;
unknown's avatar
unknown committed
263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282
set global thread_cache_size=100;
set timestamp=1, timestamp=default;
set tmp_table_size=100;
set tx_isolation="READ-COMMITTED";
set wait_timeout=100;
set log_warnings=1;

#
# key buffer
#

create table t1 (a int not null auto_increment, primary key(a));
create table t2 (a int not null auto_increment, primary key(a));
insert into t1 values(null),(null),(null);
insert into t2 values(null),(null),(null);
set global key_buffer_size=100000;
select @@key_buffer_size;
select * from t1 where a=2;
select * from t2 where a=3;
check table t1,t2;
283
select max(a) +1, max(a) +2 into @xx,@yy from t1;
unknown's avatar
unknown committed
284 285
drop table t1,t2;

286 287 288 289 290 291 292
#
# error conditions
#

--error 1193
select @@xxxxxxxxxx;
select 1;
293

294
--error 1238
unknown's avatar
unknown committed
295 296
select @@session.key_buffer_size;

297 298
--error 1229
set ft_boolean_syntax = @@init_connect;
unknown's avatar
unknown committed
299 300 301 302 303 304 305 306 307
--error 1231
set global ft_boolean_syntax = @@init_connect;
--error 1229
set init_connect = NULL;
set global init_connect = NULL;
--error 1229
set ft_boolean_syntax = @@init_connect;
--error 1231
set global ft_boolean_syntax = @@init_connect;
308

unknown's avatar
unknown committed
309 310 311 312 313
# Bug#3754 SET GLOBAL myisam_max_sort_file_size doesn't work as
# expected: check that there is no overflow when 64-bit unsigned
# variables are set

set global myisam_max_sort_file_size=4294967296;
314
--replace_result 4294967296 MAX_FILE_SIZE 2146435072 MAX_FILE_SIZE
unknown's avatar
unknown committed
315 316 317
show global variables like 'myisam_max_sort_file_size';
set global myisam_max_sort_file_size=default;

318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333
#
# swap
#
select @@global.max_user_connections,@@local.max_join_size;
set @svc=@@global.max_user_connections, @svj=@@local.max_join_size;
select @@global.max_user_connections,@@local.max_join_size;
set @@global.max_user_connections=111,@@local.max_join_size=222;
select @@global.max_user_connections,@@local.max_join_size;
set @@global.max_user_connections=@@local.max_join_size,@@local.max_join_size=@@global.max_user_connections;
select @@global.max_user_connections,@@local.max_join_size;
set @@global.max_user_connections=@svc, @@local.max_join_size=@svj;
select @@global.max_user_connections,@@local.max_join_size;
set @a=1, @b=2;
set @a=@b, @b=@a;
select @a, @b;

334 335 336
#
# Bug#2586:Disallow global/session/local as structured var. instance names
#
337
--error 1064
338
set @@global.global.key_buffer_size= 1;
339
--error 1064
340
set GLOBAL global.key_buffer_size= 1;
341
--error 1064
342
SELECT @@global.global.key_buffer_size;
343
--error 1064
344
SELECT @@global.session.key_buffer_size;
345
--error 1064
346
SELECT @@global.local.key_buffer_size;
347 348 349 350 351 352 353 354 355 356

# BUG#5135: cannot turn on log_warnings with SET in 4.1 (and 4.0)
set @tstlw = @@log_warnings;
show global variables like 'log_warnings';
set global log_warnings = 0;
show global variables like 'log_warnings';
set global log_warnings = 42;
show global variables like 'log_warnings';
set global log_warnings = @tstlw;
show global variables like 'log_warnings';
unknown's avatar
unknown committed
357

358 359 360 361 362 363 364 365 366 367 368 369 370 371
#
# BUG#4788 show create table provides incorrect statement
#
# What default width have numeric types?
create table t1 (
  c1 tinyint,
  c2 smallint,
  c3 mediumint,
  c4 int,
  c5 bigint);
show create table t1;
drop table t1;
#
# What types and widths have variables?
unknown's avatar
unknown committed
372 373
set @arg00= 8, @arg01= 8.8, @arg02= 'a string', @arg03= 0.2e0;
create table t1 as select @arg00 as c1, @arg01 as c2, @arg02 as c3, @arg03 as c4;
374 375 376
show create table t1;
drop table t1;

377 378 379

#
# Bug #6993: myisam_data_pointer_size
380 381 382 383
# Wrong bug report, data pointer size must be restricted to 7,
# setting to 8 will not work on all computers, myisamchk and
# the server may see a wrong value, such as 0 or negative number
# if 8 bytes is set.
384 385
#

386
SET GLOBAL MYISAM_DATA_POINTER_SIZE= 7;
387
SHOW VARIABLES LIKE 'MYISAM_DATA_POINTER_SIZE';
unknown's avatar
unknown committed
388 389 390 391 392 393 394 395

#
# Bug #6958: negative arguments to integer options wrap around
#

SET GLOBAL table_cache=-1;
SHOW VARIABLES LIKE 'table_cache';
SET GLOBAL table_cache=DEFAULT;
396

unknown's avatar
unknown committed
397 398 399 400 401 402 403 404
#
# Bugs12363: character_set_results is nullable,
# but value_ptr returns string "NULL"
#
set character_set_results=NULL;
select ifnull(@@character_set_results,"really null");
set names latin1;

405 406 407 408 409 410 411

#
# Bug #9613: @@have_innodb
#

--replace_column 1 #
select @@have_innodb;
412 413 414 415 416 417 418 419

#
# Bug #13334: query_prealloc_size default less than minimum
#
set @test = @@query_prealloc_size;
set @@query_prealloc_size = @test;
select @@query_prealloc_size = @test;

420
# End of 4.1 tests
unknown's avatar
unknown committed
421

422 423 424
#
# Bug#6282 Packet error with SELECT INTO
# 
425

426 427 428 429 430
create table t1 (a int);
select a into @x from t1;
show warnings;
drop table t1;

431 432 433 434 435 436 437 438
#
# Bug #10339: read only variables.
#

--error 1238
set @@warning_count=1;
--error 1238
set @@global.error_count=1;
439 440

#
441
# Bug #10351: Setting ulong variable to > MAX_ULONG fails on 32-bit platform
442
#
443

444
set @@max_heap_table_size= 4294967296;
445
select @@max_heap_table_size > 0;
446
set global max_heap_table_size= 4294967296;
447
select @@max_heap_table_size > 0;
448
set @@max_heap_table_size= 4294967296;
449
select @@max_heap_table_size > 0;
450

451 452 453 454 455 456 457 458
#
# Bug #11775 Variable character_set_system does not exist (sometimes)
#
select @@character_set_system;
--error 1238
set global character_set_system = latin1;
--error 1238
set @@global.version_compile_os='234';
459 460

# End of 5.0 tests