variables.test 10.9 KB
Newer Older
1 2 3
#
# test variables
#
4 5 6 7
--disable_warnings
drop table if exists t1,t2;
--enable_warnings

8
set @`test`=1,@TEST=3,@select=2,@t5=1.23456;
9 10
select @test,@`select`,@TEST,@not_used;
set @test_int=10,@test_double=1e-10,@test_string="abcdeghi",@test_string2="abcdefghij",@select=NULL;
unknown's avatar
unknown committed
11
--replace_result e-0 e- e+0 e+
12 13 14 15 16 17 18 19
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;
20
explain extended select @t1:=(@t2:=1)+@t3:=4,@t1,@t2,@t3;
21 22
select @t5;

unknown's avatar
unknown committed
23 24 25 26 27 28 29 30 31 32 33 34
#
# 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;
35 36 37 38 39

#
# Test system variables
#

unknown's avatar
unknown committed
40 41
set max_join_size=100;
show variables like 'max_join_size';
42
--replace_result 18446744073709551615 HA_POS_ERROR 4294967295 HA_POS_ERROR
unknown's avatar
unknown committed
43 44 45 46
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;
47
--replace_result 18446744073709551615 HA_POS_ERROR 4294967295 HA_POS_ERROR
unknown's avatar
unknown committed
48 49
show variables like 'max_join_size';
set GLOBAL max_join_size=DEFAULT;
50
--replace_result 18446744073709551615 HA_POS_ERROR 4294967295 HA_POS_ERROR
unknown's avatar
unknown committed
51 52 53 54
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;
55 56
select @@VERSION=version();
select last_insert_id(345);
57
explain extended select last_insert_id(345);
unknown's avatar
unknown committed
58
select @@IDENTITY,last_insert_id(), @@identity;
59
explain extended select @@IDENTITY,last_insert_id(), @@identity;
unknown's avatar
unknown committed
60 61 62 63 64 65 66 67 68 69 70 71 72 73

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

set global concurrent_insert=ON;
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=OFF;
show variables like 'concurrent_insert';
set global concurrent_insert=DEFAULT;
show variables like 'concurrent_insert';

unknown's avatar
unknown committed
74 75 76
set storage_engine=MYISAM, storage_engine="HEAP", global storage_engine="INNODB";
show local variables like 'storage_engine';
show global variables like 'storage_engine';
unknown's avatar
unknown committed
77 78
set GLOBAL query_cache_size=100000;

79
set GLOBAL myisam_max_sort_file_size=2000000;
unknown's avatar
unknown committed
80
show global variables like 'myisam_max_sort_file_size';
81
set GLOBAL myisam_max_sort_file_size=default;
82
--replace_result 2147483647 FILE_SIZE 9223372036854775807 FILE_SIZE
unknown's avatar
unknown committed
83 84
show variables like 'myisam_max_sort_file_size';

85
set global net_retry_count=10, session net_retry_count=10;
unknown's avatar
unknown committed
86 87 88 89 90 91 92 93 94 95 96 97 98
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;
99
show variables like "character_set_client";
unknown's avatar
unknown committed
100 101
select @@timestamp>0;

102 103 104
set @@rand_seed1=10000000,@@rand_seed2=1000000;
select ROUND(RAND(),5);

105 106 107 108 109 110 111 112 113 114 115 116
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%';
117

unknown's avatar
unknown committed
118 119 120 121 122 123
# The following should give errors

--error 1231
set big_tables=OFFF;
--error 1231
set big_tables="OFFF";
124
--error 1193
unknown's avatar
unknown committed
125 126 127
set unknown_variable=1;
--error 1232
set max_join_size="hello";
unknown's avatar
unknown committed
128
--error 1286
unknown's avatar
unknown committed
129
set storage_engine=UNKNOWN_TABLE_TYPE;
unknown's avatar
unknown committed
130
--error 1231
unknown's avatar
unknown committed
131 132
set storage_engine=INNODB, big_tables=2;
show local variables like 'storage_engine';
unknown's avatar
unknown committed
133 134 135
--error 1229
set SESSION query_cache_size=10000;
--error 1230
unknown's avatar
unknown committed
136
set GLOBAL storage_engine=DEFAULT;
unknown's avatar
unknown committed
137
--error 1115
138
set character_set_client=UNKNOWN_CHARACTER_SET;
unknown's avatar
unknown committed
139
--error 1273
140
set collation_connection=UNKNOWN_COLLATION;
141 142 143 144
--error 1231
set character_set_client=NULL;
--error 1231
set collation_connection=NULL;
unknown's avatar
unknown committed
145 146
--error 1228
set global autocommit=1;
147
--error 1238
unknown's avatar
unknown committed
148 149 150 151 152 153 154
select @@global.timestamp;
--error 1193
set @@version='';
--error 1229
set @@concurrent_insert=1;
--error 1228
set @@global.sql_auto_is_null=1;
155
--error 1238
unknown's avatar
unknown committed
156
select @@global.sql_auto_is_null;
157 158 159 160
--error 1229
set myisam_max_sort_file_size=100;
--error 1229
set myisam_max_extra_sort_file_size=100;
161 162
--error 1231
set @@SQL_WARNINGS=NULL;
unknown's avatar
unknown committed
163 164 165 166 167 168 169 170

# 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
171 172
set character set cp1251_koi8;
set character set default;
unknown's avatar
unknown committed
173 174
set @@global.concurrent_insert=1;
set global connect_timeout=100;
175 176 177 178 179
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
180
set global delay_key_write=1;
181
select @@delay_key_write;
unknown's avatar
unknown committed
182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206
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;
207
set global myisam_max_extra_sort_file_size=100;
unknown's avatar
unknown committed
208
select @@myisam_max_extra_sort_file_size;
209
set global myisam_max_sort_file_size=100;
unknown's avatar
unknown committed
210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242
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 slave_net_timeout=100;
set global slow_launch_time=100;
set sort_buffer_size=100;
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 global sql_slave_skip_counter=100;
set sql_warnings=1;
set global table_cache=100;
unknown's avatar
unknown committed
243
set storage_engine=myisam;
unknown's avatar
unknown committed
244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263
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;
264
select max(a) +1, max(a) +2 into @xx,@yy from t1;
unknown's avatar
unknown committed
265 266
drop table t1,t2;

267 268 269 270 271 272 273
#
# error conditions
#

--error 1193
select @@xxxxxxxxxx;
select 1;
274

275
--error 1238
unknown's avatar
unknown committed
276 277
select @@session.key_buffer_size;

278 279
--error 1229
set ft_boolean_syntax = @@init_connect;
unknown's avatar
unknown committed
280 281 282 283 284 285 286 287 288
--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;
289

unknown's avatar
unknown committed
290 291 292 293 294
# 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;
295
--replace_result 4294967296 MAX_FILE_SIZE 2146435072 MAX_FILE_SIZE
unknown's avatar
unknown committed
296 297 298
show global variables like 'myisam_max_sort_file_size';
set global myisam_max_sort_file_size=default;

299 300 301 302 303 304 305 306 307 308 309 310 311 312 313
#
# 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;
314 315 316 317

#
# Bug#2586:Disallow global/session/local as structured var. instance names
#
318
--error 1064
319
set @@global.global.key_buffer_size= 1;
320
--error 1064
321
set GLOBAL global.key_buffer_size= 1;
322
--error 1064
323
SELECT @@global.global.key_buffer_size;
324
--error 1064
325
SELECT @@global.session.key_buffer_size;
326
--error 1064
327
SELECT @@global.local.key_buffer_size;
328 329 330 331 332 333 334 335 336 337

# 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
338

339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357
#
# 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?
set @arg00= 8, @arg01= 8.8, @arg02= 'a string';
create table t1 as select @arg00 as c1, @arg01 as c2, @arg02 as c3;
show create table t1;
drop table t1;