1
by brian
clean slate |
1 |
drop table if exists t1,t2;
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2 |
set @my_binlog_cache_size =@@global.binlog_cache_size;
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3 |
set @my_connect_timeout =@@global.connect_timeout;
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4 |
set @my_delayed_insert_timeout =@@global.delayed_insert_timeout;
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5 |
set @my_delayed_queue_size =@@global.delayed_queue_size;
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6 |
set @my_flush =@@global.flush;
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7 |
set @my_flush_time =@@global.flush_time;
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8 |
set @my_key_buffer_size =@@global.key_buffer_size;
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9 |
set @my_max_binlog_cache_size =@@global.max_binlog_cache_size;
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10 |
set @my_max_binlog_size =@@global.max_binlog_size;
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11 |
set @my_max_connect_errors =@@global.max_connect_errors;
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12 |
set @my_max_connections =@@global.max_connections;
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13 |
set @my_max_delayed_threads =@@global.max_delayed_threads;
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14 |
set @my_max_heap_table_size =@@global.max_heap_table_size;
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15 |
set @my_max_insert_delayed_threads=@@global.max_insert_delayed_threads;
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16 |
set @my_max_join_size =@@global.max_join_size;
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17 |
set @my_myisam_data_pointer_size =@@global.myisam_data_pointer_size;
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18 |
set @my_net_buffer_length =@@global.net_buffer_length;
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19 |
set @my_net_write_timeout =@@global.net_write_timeout;
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20 |
set @my_net_read_timeout =@@global.net_read_timeout;
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21 |
set @my_query_cache_limit =@@global.query_cache_limit;
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22 |
set @my_query_cache_type =@@global.query_cache_type;
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23 |
set @my_rpl_recovery_rank =@@global.rpl_recovery_rank;
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24 |
set @my_server_id =@@global.server_id;
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25 |
set @my_slow_launch_time =@@global.slow_launch_time;
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26 |
set @my_storage_engine =@@global.storage_engine;
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27 |
set @my_thread_cache_size =@@global.thread_cache_size;
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28 |
set @`test`=1;
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29 |
select @test, @`test`, @TEST, @`TEST`, @"teSt";
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30 |
@test @`test` @TEST @`TEST` @"teSt"
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31 |
1 1 1 1 1
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32 |
set @TEST=2;
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33 |
select @test, @`test`, @TEST, @`TEST`, @"teSt";
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34 |
@test @`test` @TEST @`TEST` @"teSt"
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35 |
2 2 2 2 2
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36 |
set @"tEST"=3;
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37 |
select @test, @`test`, @TEST, @`TEST`, @"teSt";
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38 |
@test @`test` @TEST @`TEST` @"teSt"
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39 |
3 3 3 3 3
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40 |
set @`TeST`=4;
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41 |
select @test, @`test`, @TEST, @`TEST`, @"teSt";
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42 |
@test @`test` @TEST @`TEST` @"teSt"
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43 |
4 4 4 4 4
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44 |
select @`teST`:=5;
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45 |
@`teST`:=5
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46 |
5
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47 |
select @test, @`test`, @TEST, @`TEST`, @"teSt";
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48 |
@test @`test` @TEST @`TEST` @"teSt"
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49 |
5 5 5 5 5
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50 |
set @select=2,@t5=1.23456;
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51 |
select @`select`,@not_used;
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52 |
@`select` @not_used
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53 |
2 NULL
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54 |
set @test_int=10,@test_double=1e-10,@test_string="abcdeghi",@test_string2="abcdefghij",@select=NULL;
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55 |
select @test_int,@test_double,@test_string,@test_string2,@select;
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56 |
@test_int @test_double @test_string @test_string2 @select
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57 |
10 0.0000000001 abcdeghi abcdefghij NULL
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58 |
set @test_int="hello",@test_double="hello",@test_string="hello",@test_string2="hello";
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59 |
select @test_int,@test_double,@test_string,@test_string2;
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60 |
@test_int @test_double @test_string @test_string2
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61 |
hello hello hello hello
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62 |
set @test_int="hellohello",@test_double="hellohello",@test_string="hellohello",@test_string2="hellohello";
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63 |
select @test_int,@test_double,@test_string,@test_string2;
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64 |
@test_int @test_double @test_string @test_string2
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65 |
hellohello hellohello hellohello hellohello
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66 |
set @test_int=null,@test_double=null,@test_string=null,@test_string2=null;
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67 |
select @test_int,@test_double,@test_string,@test_string2;
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68 |
@test_int @test_double @test_string @test_string2
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69 |
NULL NULL NULL NULL
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70 |
select @t1:=(@t2:=1)+@t3:=4,@t1,@t2,@t3;
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71 |
@t1:=(@t2:=1)+@t3:=4 @t1 @t2 @t3
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72 |
5 5 1 4
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73 |
explain extended select @t1:=(@t2:=1)+@t3:=4,@t1,@t2,@t3;
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74 |
id select_type table type possible_keys key key_len ref rows filtered Extra
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75 |
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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76 |
Warnings:
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77 |
Note 1003 select (@t1:=((@t2:=1) + (@t3:=4))) AS `@t1:=(@t2:=1)+@t3:=4`,(@t1) AS `@t1`,(@t2) AS `@t2`,(@t3) AS `@t3`
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78 |
select @t5;
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79 |
@t5
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80 |
1.23456
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81 |
CREATE TABLE t1 (c_id INT(4) NOT NULL, c_name CHAR(20), c_country CHAR(3), PRIMARY KEY(c_id));
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82 |
INSERT INTO t1 VALUES (1,'Bozo','USA'),(2,'Ronald','USA'),(3,'Kinko','IRE'),(4,'Mr. Floppy','GB');
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83 |
SELECT @min_cid:=min(c_id), @max_cid:=max(c_id) from t1;
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84 |
@min_cid:=min(c_id) @max_cid:=max(c_id)
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85 |
1 4
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86 |
SELECT * FROM t1 WHERE c_id=@min_cid OR c_id=@max_cid;
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87 |
c_id c_name c_country
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88 |
1 Bozo USA
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89 |
4 Mr. Floppy GB
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90 |
SELECT * FROM t1 WHERE c_id=@min_cid OR c_id=@max_cid OR c_id=666;
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91 |
c_id c_name c_country
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92 |
1 Bozo USA
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93 |
4 Mr. Floppy GB
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94 |
ALTER TABLE t1 DROP PRIMARY KEY;
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95 |
select * from t1 where c_id=@min_cid OR c_id=@max_cid;
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96 |
c_id c_name c_country
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97 |
1 Bozo USA
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98 |
4 Mr. Floppy GB
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99 |
drop table t1;
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100 |
set GLOBAL max_join_size=10;
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101 |
set max_join_size=100;
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102 |
show variables like 'max_join_size';
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103 |
Variable_name Value
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104 |
max_join_size 100
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105 |
select * from information_schema.session_variables where variable_name like 'max_join_size';
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106 |
VARIABLE_NAME VARIABLE_VALUE
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107 |
MAX_JOIN_SIZE 100
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108 |
show global variables like 'max_join_size';
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109 |
Variable_name Value
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110 |
max_join_size 10
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111 |
select * from information_schema.global_variables where variable_name like 'max_join_size';
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112 |
VARIABLE_NAME VARIABLE_VALUE
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113 |
MAX_JOIN_SIZE 10
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114 |
set GLOBAL max_join_size=2000;
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115 |
show global variables like 'max_join_size';
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116 |
Variable_name Value
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117 |
max_join_size 2000
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118 |
select * from information_schema.global_variables where variable_name like 'max_join_size';
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119 |
VARIABLE_NAME VARIABLE_VALUE
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120 |
MAX_JOIN_SIZE 2000
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121 |
set max_join_size=DEFAULT;
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122 |
show variables like 'max_join_size';
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123 |
Variable_name Value
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124 |
max_join_size 2000
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125 |
select * from information_schema.session_variables where variable_name like 'max_join_size';
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126 |
VARIABLE_NAME VARIABLE_VALUE
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127 |
MAX_JOIN_SIZE 2000
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128 |
set GLOBAL max_join_size=DEFAULT;
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129 |
show global variables like 'max_join_size';
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130 |
Variable_name Value
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131 |
max_join_size HA_POS_ERROR
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132 |
select * from information_schema.global_variables where variable_name like 'max_join_size';
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133 |
VARIABLE_NAME VARIABLE_VALUE
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134 |
MAX_JOIN_SIZE HA_POS_ERROR
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135 |
set @@max_join_size=1000, @@global.max_join_size=2000;
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136 |
select @@local.max_join_size, @@global.max_join_size;
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137 |
@@local.max_join_size @@global.max_join_size
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138 |
1000 2000
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139 |
select @@identity, length(@@version)>0;
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140 |
@@identity length(@@version)>0
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141 |
0 1
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142 |
select @@VERSION=version();
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143 |
@@VERSION=version()
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144 |
1
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145 |
select last_insert_id(345);
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146 |
last_insert_id(345)
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147 |
345
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148 |
explain extended select last_insert_id(345);
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149 |
id select_type table type possible_keys key key_len ref rows filtered Extra
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150 |
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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151 |
Warnings:
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152 |
Note 1003 select last_insert_id(345) AS `last_insert_id(345)`
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153 |
select @@IDENTITY,last_insert_id(), @@identity;
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154 |
@@IDENTITY last_insert_id() @@identity
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155 |
345 345 345
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156 |
explain extended select @@IDENTITY,last_insert_id(), @@identity;
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157 |
id select_type table type possible_keys key key_len ref rows filtered Extra
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158 |
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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159 |
Warnings:
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160 |
Note 1003 select 345 AS `@@IDENTITY`,last_insert_id() AS `last_insert_id()`,345 AS `@@identity`
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161 |
set big_tables=OFF, big_tables=ON, big_tables=0, big_tables=1, big_tables="OFF", big_tables="ON";
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162 |
set global concurrent_insert=2;
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163 |
show variables like 'concurrent_insert';
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164 |
Variable_name Value
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165 |
concurrent_insert 2
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166 |
select * from information_schema.session_variables where variable_name like 'concurrent_insert';
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167 |
VARIABLE_NAME VARIABLE_VALUE
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168 |
CONCURRENT_INSERT 2
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169 |
set global concurrent_insert=1;
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170 |
show variables like 'concurrent_insert';
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171 |
Variable_name Value
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172 |
concurrent_insert 1
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173 |
select * from information_schema.session_variables where variable_name like 'concurrent_insert';
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174 |
VARIABLE_NAME VARIABLE_VALUE
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175 |
CONCURRENT_INSERT 1
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176 |
set global concurrent_insert=0;
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177 |
show variables like 'concurrent_insert';
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178 |
Variable_name Value
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179 |
concurrent_insert 0
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180 |
select * from information_schema.session_variables where variable_name like 'concurrent_insert';
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181 |
VARIABLE_NAME VARIABLE_VALUE
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182 |
CONCURRENT_INSERT 0
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183 |
set global concurrent_insert=DEFAULT;
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184 |
select @@concurrent_insert;
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185 |
@@concurrent_insert
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186 |
1
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187 |
set global timed_mutexes=ON;
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188 |
show variables like 'timed_mutexes';
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189 |
Variable_name Value
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190 |
timed_mutexes ON
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191 |
select * from information_schema.session_variables where variable_name like 'timed_mutexes';
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192 |
VARIABLE_NAME VARIABLE_VALUE
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193 |
TIMED_MUTEXES ON
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194 |
set global timed_mutexes=0;
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195 |
show variables like 'timed_mutexes';
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196 |
Variable_name Value
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197 |
timed_mutexes OFF
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198 |
select * from information_schema.session_variables where variable_name like 'timed_mutexes';
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199 |
VARIABLE_NAME VARIABLE_VALUE
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200 |
TIMED_MUTEXES OFF
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201 |
set storage_engine=MYISAM, storage_engine="HEAP";
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202 |
show local variables like 'storage_engine';
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203 |
Variable_name Value
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204 |
storage_engine MEMORY
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205 |
select * from information_schema.session_variables where variable_name like 'storage_engine';
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206 |
VARIABLE_NAME VARIABLE_VALUE
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207 |
STORAGE_ENGINE MEMORY
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208 |
show global variables like 'storage_engine';
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209 |
Variable_name Value
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210 |
storage_engine MyISAM
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211 |
select * from information_schema.global_variables where variable_name like 'storage_engine';
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212 |
VARIABLE_NAME VARIABLE_VALUE
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213 |
STORAGE_ENGINE MyISAM
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214 |
set GLOBAL query_cache_size=100000;
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215 |
set GLOBAL myisam_max_sort_file_size=2000000;
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216 |
show global variables like 'myisam_max_sort_file_size';
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217 |
Variable_name Value
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218 |
myisam_max_sort_file_size 1048576
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219 |
select * from information_schema.global_variables where variable_name like 'myisam_max_sort_file_size';
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220 |
VARIABLE_NAME VARIABLE_VALUE
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221 |
MYISAM_MAX_SORT_FILE_SIZE 1048576
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222 |
set GLOBAL myisam_max_sort_file_size=default;
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223 |
show global variables like 'myisam_max_sort_file_size';
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224 |
Variable_name Value
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225 |
myisam_max_sort_file_size FILE_SIZE
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226 |
select * from information_schema.global_variables where variable_name like 'myisam_max_sort_file_size';
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227 |
VARIABLE_NAME VARIABLE_VALUE
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228 |
MYISAM_MAX_SORT_FILE_SIZE FILE_SIZE
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229 |
set global net_retry_count=10, session net_retry_count=10;
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230 |
set global net_buffer_length=1024, net_write_timeout=200, net_read_timeout=300;
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231 |
set session net_buffer_length=2048, net_write_timeout=500, net_read_timeout=600;
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232 |
show global variables like 'net_%';
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233 |
Variable_name Value
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234 |
net_buffer_length 1024
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235 |
net_read_timeout 300
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236 |
net_retry_count 10
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237 |
net_write_timeout 200
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238 |
select * from information_schema.global_variables where variable_name like 'net_%' order by 1;
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239 |
VARIABLE_NAME VARIABLE_VALUE
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240 |
NET_BUFFER_LENGTH 1024
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241 |
NET_READ_TIMEOUT 300
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242 |
NET_RETRY_COUNT 10
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243 |
NET_WRITE_TIMEOUT 200
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244 |
show session variables like 'net_%';
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245 |
Variable_name Value
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246 |
net_buffer_length 2048
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247 |
net_read_timeout 600
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248 |
net_retry_count 10
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249 |
net_write_timeout 500
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250 |
select * from information_schema.session_variables where variable_name like 'net_%' order by 1;
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251 |
VARIABLE_NAME VARIABLE_VALUE
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252 |
NET_BUFFER_LENGTH 2048
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253 |
NET_READ_TIMEOUT 600
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254 |
NET_RETRY_COUNT 10
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255 |
NET_WRITE_TIMEOUT 500
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256 |
set session net_buffer_length=8000, global net_read_timeout=900, net_write_timeout=1000;
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257 |
show global variables like 'net_%';
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258 |
Variable_name Value
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259 |
net_buffer_length 1024
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260 |
net_read_timeout 900
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261 |
net_retry_count 10
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262 |
net_write_timeout 1000
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263 |
select * from information_schema.global_variables where variable_name like 'net_%' order by 1;
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264 |
VARIABLE_NAME VARIABLE_VALUE
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265 |
NET_BUFFER_LENGTH 1024
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266 |
NET_READ_TIMEOUT 900
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267 |
NET_RETRY_COUNT 10
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268 |
NET_WRITE_TIMEOUT 1000
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269 |
show session variables like 'net_%';
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270 |
Variable_name Value
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271 |
net_buffer_length 7168
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272 |
net_read_timeout 600
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273 |
net_retry_count 10
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274 |
net_write_timeout 500
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275 |
select * from information_schema.session_variables where variable_name like 'net_%' order by 1;
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276 |
VARIABLE_NAME VARIABLE_VALUE
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277 |
NET_BUFFER_LENGTH 7168
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278 |
NET_READ_TIMEOUT 600
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279 |
NET_RETRY_COUNT 10
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|
280 |
NET_WRITE_TIMEOUT 500
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|
281 |
set net_buffer_length=1;
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282 |
Warnings:
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283 |
Warning 1292 Truncated incorrect net_buffer_length value: '1'
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284 |
show variables like 'net_buffer_length';
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285 |
Variable_name Value
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|
286 |
net_buffer_length 1024
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|
287 |
select * from information_schema.session_variables where variable_name like 'net_buffer_length';
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288 |
VARIABLE_NAME VARIABLE_VALUE
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|
289 |
NET_BUFFER_LENGTH 1024
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|
290 |
set net_buffer_length=2000000000;
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291 |
Warnings:
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|
292 |
Warning 1292 Truncated incorrect net_buffer_length value: '2000000000'
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293 |
show variables like 'net_buffer_length';
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294 |
Variable_name Value
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295 |
net_buffer_length 1048576
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|
296 |
select * from information_schema.session_variables where variable_name like 'net_buffer_length';
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297 |
VARIABLE_NAME VARIABLE_VALUE
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|
298 |
NET_BUFFER_LENGTH 1048576
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|
299 |
set character set cp1251_koi8;
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300 |
show variables like "character_set_client";
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301 |
Variable_name Value
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302 |
character_set_client cp1251
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303 |
select * from information_schema.session_variables where variable_name like 'character_set_client';
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304 |
VARIABLE_NAME VARIABLE_VALUE
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305 |
CHARACTER_SET_CLIENT cp1251
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306 |
select @@timestamp>0;
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|
307 |
@@timestamp>0
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|
308 |
1
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|
309 |
set @@rand_seed1=10000000,@@rand_seed2=1000000;
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|
310 |
select ROUND(RAND(),5);
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|
311 |
ROUND(RAND(),5)
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|
312 |
0.02887
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|
313 |
show variables like '%alloc%';
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|
314 |
Variable_name Value
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|
315 |
query_alloc_block_size 8192
|
|
316 |
query_prealloc_size 8192
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|
317 |
range_alloc_block_size 4096
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|
318 |
transaction_alloc_block_size 8192
|
|
319 |
transaction_prealloc_size 4096
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|
320 |
select * from information_schema.session_variables where variable_name like '%alloc%' order by 1;
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|
321 |
VARIABLE_NAME VARIABLE_VALUE
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|
322 |
QUERY_ALLOC_BLOCK_SIZE 8192
|
|
323 |
QUERY_PREALLOC_SIZE 8192
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|
324 |
RANGE_ALLOC_BLOCK_SIZE 4096
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|
325 |
TRANSACTION_ALLOC_BLOCK_SIZE 8192
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|
326 |
TRANSACTION_PREALLOC_SIZE 4096
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|
327 |
set @@range_alloc_block_size=1024*16;
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|
328 |
set @@query_alloc_block_size=1024*17+2;
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|
329 |
set @@query_prealloc_size=1024*18;
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|
330 |
set @@transaction_alloc_block_size=1024*20-1;
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|
331 |
set @@transaction_prealloc_size=1024*21-1;
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|
332 |
select @@query_alloc_block_size;
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|
333 |
@@query_alloc_block_size
|
|
334 |
17408
|
|
335 |
show variables like '%alloc%';
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|
336 |
Variable_name Value
|
|
337 |
query_alloc_block_size 17408
|
|
338 |
query_prealloc_size 18432
|
|
339 |
range_alloc_block_size 16384
|
|
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;
|
|
343 |
VARIABLE_NAME VARIABLE_VALUE
|
|
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
|
|
349 |
set @@range_alloc_block_size=default;
|
|
350 |
set @@query_alloc_block_size=default, @@query_prealloc_size=default;
|
|
351 |
set transaction_alloc_block_size=default, @@transaction_prealloc_size=default;
|
|
352 |
show variables like '%alloc%';
|
|
353 |
Variable_name Value
|
|
354 |
query_alloc_block_size 8192
|
|
355 |
query_prealloc_size 8192
|
|
356 |
range_alloc_block_size 4096
|
|
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;
|
|
360 |
VARIABLE_NAME VARIABLE_VALUE
|
|
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
|
|
366 |
SELECT @@version LIKE 'non-existent';
|
|
367 |
@@version LIKE 'non-existent'
|
|
368 |
0
|
|
369 |
SELECT @@version_compile_os LIKE 'non-existent';
|
|
370 |
@@version_compile_os LIKE 'non-existent'
|
|
371 |
0
|
|
372 |
set big_tables=OFFF;
|
|
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'
|
|
376 |
set unknown_variable=1;
|
|
377 |
ERROR HY000: Unknown system variable 'unknown_variable'
|
|
378 |
set max_join_size="hello";
|
|
379 |
ERROR 42000: Incorrect argument type to variable 'max_join_size'
|
|
380 |
set storage_engine=UNKNOWN_TABLE_TYPE;
|
|
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
|
|
384 |
set GLOBAL storage_engine=DEFAULT;
|
|
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'
|
|
394 |
set global autocommit=1;
|
|
395 |
ERROR HY000: Variable 'autocommit' is a SESSION variable and can't be used with SET GLOBAL
|
|
396 |
select @@global.timestamp;
|
|
397 |
ERROR HY000: Variable 'timestamp' is a SESSION variable
|
|
398 |
set @@version='';
|
|
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
|
|
406 |
set myisam_max_sort_file_size=100;
|
|
407 |
ERROR HY000: Variable 'myisam_max_sort_file_size' is a GLOBAL variable and should be set with SET GLOBAL
|
|
408 |
set @@SQL_WARNINGS=NULL;
|
|
409 |
ERROR 42000: Variable 'sql_warnings' can't be set to the value of 'NULL'
|
|
410 |
set autocommit=1;
|
|
411 |
set big_tables=1;
|
|
412 |
select @@autocommit, @@big_tables;
|
|
413 |
@@autocommit @@big_tables
|
|
414 |
1 1
|
|
415 |
set global binlog_cache_size=100;
|
|
416 |
Warnings:
|
|
417 |
Warning 1292 Truncated incorrect binlog_cache_size value: '100'
|
|
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;
|
|
424 |
@@delay_key_write
|
|
425 |
ON
|
|
426 |
set global delay_key_write="OFF";
|
|
427 |
select @@delay_key_write;
|
|
428 |
@@delay_key_write
|
|
429 |
OFF
|
|
430 |
set global delay_key_write=ALL;
|
|
431 |
select @@delay_key_write;
|
|
432 |
@@delay_key_write
|
|
433 |
ALL
|
|
434 |
set global delay_key_write=1;
|
|
435 |
select @@delay_key_write;
|
|
436 |
@@delay_key_write
|
|
437 |
ON
|
|
438 |
set global delayed_insert_limit=100;
|
|
439 |
set global delayed_insert_timeout=100;
|
|
440 |
set global delayed_queue_size=100;
|
|
441 |
set global flush=1;
|
|
442 |
set global flush_time=100;
|
|
443 |
set insert_id=1;
|
|
444 |
set interactive_timeout=100;
|
|
445 |
set join_buffer_size=100;
|
|
446 |
Warnings:
|
|
447 |
Warning 1292 Truncated incorrect join_buffer_size value: '100'
|
|
448 |
set last_insert_id=1;
|
|
449 |
set global local_infile=1;
|
|
450 |
set long_query_time=0.000001;
|
|
451 |
select @@long_query_time;
|
|
452 |
@@long_query_time
|
|
453 |
0.000001
|
|
454 |
set long_query_time=100.000001;
|
|
455 |
select @@long_query_time;
|
|
456 |
@@long_query_time
|
|
457 |
100.000001
|
|
458 |
set low_priority_updates=1;
|
|
459 |
set max_allowed_packet=100;
|
|
460 |
Warnings:
|
|
461 |
Warning 1292 Truncated incorrect max_allowed_packet value: '100'
|
|
462 |
set global max_binlog_cache_size=100;
|
|
463 |
Warnings:
|
|
464 |
Warning 1292 Truncated incorrect max_binlog_cache_size value: '100'
|
|
465 |
set global max_binlog_size=100;
|
|
466 |
Warnings:
|
|
467 |
Warning 1292 Truncated incorrect max_binlog_size value: '100'
|
|
468 |
set global max_connect_errors=100;
|
|
469 |
set global max_connections=100;
|
|
470 |
set global max_delayed_threads=100;
|
|
471 |
set max_heap_table_size=100;
|
|
472 |
Warnings:
|
|
473 |
Warning 1292 Truncated incorrect max_heap_table_size value: '100'
|
|
474 |
set max_join_size=100;
|
|
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
|
|
480 |
100
|
|
481 |
set global max_write_lock_count=100;
|
|
482 |
set myisam_sort_buffer_size=100;
|
|
483 |
set net_buffer_length=100;
|
|
484 |
Warnings:
|
|
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;
|
|
491 |
set read_buffer_size=100;
|
|
492 |
Warnings:
|
|
493 |
Warning 1292 Truncated incorrect read_buffer_size value: '100'
|
|
494 |
set read_rnd_buffer_size=100;
|
|
495 |
set global rpl_recovery_rank=100;
|
|
496 |
set global server_id=100;
|
|
497 |
set global slow_launch_time=100;
|
|
498 |
set sort_buffer_size=100;
|
|
499 |
Warnings:
|
|
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
|
|
504 |
10
|
|
505 |
set @@max_sp_recursion_depth=0;
|
|
506 |
select @@max_sp_recursion_depth;
|
|
507 |
@@max_sp_recursion_depth
|
|
508 |
0
|
|
509 |
set sql_auto_is_null=1;
|
|
510 |
select @@sql_auto_is_null;
|
|
511 |
@@sql_auto_is_null
|
|
512 |
1
|
|
513 |
set @@sql_auto_is_null=0;
|
|
514 |
select @@sql_auto_is_null;
|
|
515 |
@@sql_auto_is_null
|
|
516 |
0
|
|
517 |
set sql_big_selects=1;
|
|
518 |
set sql_big_tables=1;
|
|
519 |
set sql_buffer_result=1;
|
|
520 |
set sql_log_bin=1;
|
|
521 |
set sql_log_off=1;
|
|
522 |
set sql_log_update=1;
|
|
523 |
Warnings:
|
|
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
|
|
529 |
200 200
|
|
530 |
set sql_quote_show_create=1;
|
|
531 |
set sql_safe_updates=1;
|
|
532 |
set sql_select_limit=1;
|
|
533 |
set sql_select_limit=default;
|
|
534 |
set sql_warnings=1;
|
|
535 |
set global table_open_cache=100;
|
|
536 |
set storage_engine=myisam;
|
|
537 |
set global thread_cache_size=100;
|
|
538 |
set timestamp=1, timestamp=default;
|
|
539 |
set tmp_table_size=100;
|
|
540 |
Warnings:
|
|
541 |
Warning 1292 Truncated incorrect tmp_table_size value: '100'
|
|
542 |
set tx_isolation="READ-COMMITTED";
|
|
543 |
set wait_timeout=100;
|
|
544 |
set log_warnings=1;
|
|
545 |
set global log_warnings=1;
|
|
546 |
select @@session.insert_id;
|
|
547 |
@@session.insert_id
|
|
548 |
1
|
|
549 |
set @save_insert_id=@@session.insert_id;
|
|
550 |
set session insert_id=20;
|
|
551 |
select @@session.insert_id;
|
|
552 |
@@session.insert_id
|
|
553 |
20
|
|
554 |
set session last_insert_id=100;
|
|
555 |
select @@session.insert_id;
|
|
556 |
@@session.insert_id
|
|
557 |
20
|
|
558 |
select @@session.last_insert_id;
|
|
559 |
@@session.last_insert_id
|
|
560 |
100
|
|
561 |
select @@session.insert_id;
|
|
562 |
@@session.insert_id
|
|
563 |
20
|
|
564 |
set @@session.insert_id=@save_insert_id;
|
|
565 |
select @@session.insert_id;
|
|
566 |
@@session.insert_id
|
|
567 |
1
|
|
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;
|
|
574 |
@@key_buffer_size
|
|
575 |
98304
|
|
576 |
select * from t1 where a=2;
|
|
577 |
a
|
|
578 |
2
|
|
579 |
select * from t2 where a=3;
|
|
580 |
a
|
|
581 |
3
|
|
582 |
check table t1,t2;
|
|
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;
|
|
587 |
drop table t1,t2;
|
|
588 |
select @@xxxxxxxxxx;
|
|
589 |
ERROR HY000: Unknown system variable 'xxxxxxxxxx'
|
|
590 |
select 1;
|
|
591 |
1
|
|
592 |
1
|
|
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 ''
|
|
606 |
set global myisam_max_sort_file_size=4294967296;
|
|
607 |
show global variables like 'myisam_max_sort_file_size';
|
|
608 |
Variable_name Value
|
|
609 |
myisam_max_sort_file_size MAX_FILE_SIZE
|
|
610 |
select * from information_schema.global_variables where variable_name like 'myisam_max_sort_file_size';
|
|
611 |
VARIABLE_NAME VARIABLE_VALUE
|
|
612 |
MYISAM_MAX_SORT_FILE_SIZE MAX_FILE_SIZE
|
|
613 |
set global myisam_max_sort_file_size=default;
|
|
614 |
select @@global.max_user_connections,@@local.max_join_size;
|
|
615 |
@@global.max_user_connections @@local.max_join_size
|
|
616 |
100 200
|
|
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
|
|
620 |
100 200
|
|
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
|
|
624 |
111 222
|
|
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
|
|
628 |
222 111
|
|
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
|
|
632 |
100 200
|
|
633 |
set @a=1, @b=2;
|
|
634 |
set @a=@b, @b=@a;
|
|
635 |
select @a, @b;
|
|
636 |
@a @b
|
|
637 |
2 1
|
|
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';
|
|
650 |
Variable_name Value
|
|
651 |
log_warnings 1
|
|
652 |
select * from information_schema.global_variables where variable_name like 'log_warnings';
|
|
653 |
VARIABLE_NAME VARIABLE_VALUE
|
|
654 |
LOG_WARNINGS 1
|
|
655 |
set global log_warnings = 0;
|
|
656 |
show global variables like 'log_warnings';
|
|
657 |
Variable_name Value
|
|
658 |
log_warnings 0
|
|
659 |
select * from information_schema.global_variables where variable_name like 'log_warnings';
|
|
660 |
VARIABLE_NAME VARIABLE_VALUE
|
|
661 |
LOG_WARNINGS 0
|
|
662 |
set global log_warnings = 42;
|
|
663 |
show global variables like 'log_warnings';
|
|
664 |
Variable_name Value
|
|
665 |
log_warnings 42
|
|
666 |
select * from information_schema.global_variables where variable_name like 'log_warnings';
|
|
667 |
VARIABLE_NAME VARIABLE_VALUE
|
|
668 |
LOG_WARNINGS 42
|
|
669 |
set global log_warnings = @tstlw;
|
|
670 |
show global variables like 'log_warnings';
|
|
671 |
Variable_name Value
|
|
672 |
log_warnings 1
|
|
673 |
select * from information_schema.global_variables where variable_name like 'log_warnings';
|
|
674 |
VARIABLE_NAME VARIABLE_VALUE
|
|
675 |
LOG_WARNINGS 1
|
|
676 |
create table t1 (
|
|
677 |
c1 tinyint,
|
|
678 |
c2 smallint,
|
|
679 |
c3 mediumint,
|
|
680 |
c4 int,
|
|
681 |
c5 bigint);
|
|
682 |
show create table t1;
|
|
683 |
Table Create Table
|
|
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
|
|
691 |
drop table t1;
|
|
692 |
set @arg00= 8, @arg01= 8.8, @arg02= 'a string', @arg03= 0.2e0;
|
|
693 |
create table t1 as select @arg00 as c1, @arg01 as c2, @arg02 as c3, @arg03 as c4;
|
|
694 |
show create table t1;
|
|
695 |
Table Create Table
|
|
696 |
t1 CREATE TABLE `t1` (
|
|
697 |
`c1` bigint(20) DEFAULT NULL,
|
|
698 |
`c2` decimal(65,30) DEFAULT NULL,
|
|
699 |
`c3` longtext,
|
|
700 |
`c4` double DEFAULT NULL
|
|
701 |
) ENGINE=MyISAM DEFAULT CHARSET=latin1
|
|
702 |
drop table t1;
|
|
703 |
SET GLOBAL MYISAM_DATA_POINTER_SIZE= 7;
|
|
704 |
SHOW VARIABLES LIKE 'MYISAM_DATA_POINTER_SIZE';
|
|
705 |
Variable_name Value
|
|
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
|
|
710 |
SET GLOBAL table_open_cache=-1;
|
|
711 |
Warnings:
|
|
712 |
Warning 1292 Truncated incorrect table_open_cache value: '0'
|
|
713 |
SHOW VARIABLES LIKE 'table_open_cache';
|
|
714 |
Variable_name Value
|
|
715 |
table_open_cache 1
|
|
716 |
SELECT * FROM INFORMATION_SCHEMA.SESSION_VARIABLES WHERE VARIABLE_NAME LIKE 'table_open_cache';
|
|
717 |
VARIABLE_NAME VARIABLE_VALUE
|
|
718 |
TABLE_OPEN_CACHE 1
|
|
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")
|
|
723 |
really null
|
|
724 |
set names latin1;
|
|
725 |
select @@have_innodb;
|
|
726 |
@@have_innodb
|
|
727 |
#
|
|
728 |
*** Various tests with LC_TIME_NAMES
|
|
729 |
*** LC_TIME_NAMES: testing case insensitivity
|
|
730 |
set @@lc_time_names='ru_ru';
|
|
731 |
select @@lc_time_names;
|
|
732 |
@@lc_time_names
|
|
733 |
ru_RU
|
|
734 |
*** LC_TIME_NAMES: testing with a user variable
|
|
735 |
set @lc='JA_JP';
|
|
736 |
set @@lc_time_names=@lc;
|
|
737 |
select @@lc_time_names;
|
|
738 |
@@lc_time_names
|
|
739 |
ja_JP
|
|
740 |
*** LC_TIME_NAMES: testing with string expressions
|
|
741 |
set lc_time_names=concat('de','_','DE');
|
|
742 |
select @@lc_time_names;
|
|
743 |
@@lc_time_names
|
|
744 |
de_DE
|
|
745 |
set lc_time_names=concat('de','+','DE');
|
|
746 |
ERROR HY000: Unknown locale: 'de+DE'
|
|
747 |
select @@lc_time_names;
|
|
748 |
@@lc_time_names
|
|
749 |
de_DE
|
|
750 |
LC_TIME_NAMES: testing with numeric expressions
|
|
751 |
set @@lc_time_names=1+2;
|
|
752 |
select @@lc_time_names;
|
|
753 |
@@lc_time_names
|
|
754 |
sv_SE
|
|
755 |
set @@lc_time_names=1/0;
|
|
756 |
ERROR 42000: Incorrect argument type to variable 'lc_time_names'
|
|
757 |
select @@lc_time_names;
|
|
758 |
@@lc_time_names
|
|
759 |
sv_SE
|
|
760 |
set lc_time_names=en_US;
|
|
761 |
LC_TIME_NAMES: testing NULL and a negative number:
|
|
762 |
set lc_time_names=NULL;
|
|
763 |
ERROR 42000: Variable 'lc_time_names' can't be set to the value of 'NULL'
|
|
764 |
set lc_time_names=-1;
|
|
765 |
ERROR HY000: Unknown locale: '-1'
|
|
766 |
select @@lc_time_names;
|
|
767 |
@@lc_time_names
|
|
768 |
en_US
|
|
769 |
LC_TIME_NAMES: testing locale with the last ID:
|
|
770 |
set lc_time_names=108;
|
|
771 |
select @@lc_time_names;
|
|
772 |
@@lc_time_names
|
|
773 |
zh_HK
|
|
774 |
LC_TIME_NAMES: testing a number beyond the valid ID range:
|
|
775 |
set lc_time_names=109;
|
|
776 |
ERROR HY000: Unknown locale: '109'
|
|
777 |
select @@lc_time_names;
|
|
778 |
@@lc_time_names
|
|
779 |
zh_HK
|
|
780 |
LC_TIME_NAMES: testing that 0 is en_US:
|
|
781 |
set lc_time_names=0;
|
|
782 |
select @@lc_time_names;
|
|
783 |
@@lc_time_names
|
|
784 |
en_US
|
|
785 |
select @@global.lc_time_names, @@lc_time_names;
|
|
786 |
@@global.lc_time_names @@lc_time_names
|
|
787 |
en_US en_US
|
|
788 |
set @@global.lc_time_names=fr_FR;
|
|
789 |
select @@global.lc_time_names, @@lc_time_names;
|
|
790 |
@@global.lc_time_names @@lc_time_names
|
|
791 |
fr_FR en_US
|
|
792 |
New connection
|
|
793 |
select @@global.lc_time_names, @@lc_time_names;
|
|
794 |
@@global.lc_time_names @@lc_time_names
|
|
795 |
fr_FR fr_FR
|
|
796 |
set @@lc_time_names=ru_RU;
|
|
797 |
select @@global.lc_time_names, @@lc_time_names;
|
|
798 |
@@global.lc_time_names @@lc_time_names
|
|
799 |
fr_FR ru_RU
|
|
800 |
Returnung to default connection
|
|
801 |
select @@global.lc_time_names, @@lc_time_names;
|
|
802 |
@@global.lc_time_names @@lc_time_names
|
|
803 |
fr_FR en_US
|
|
804 |
set lc_time_names=default;
|
|
805 |
select @@global.lc_time_names, @@lc_time_names;
|
|
806 |
@@global.lc_time_names @@lc_time_names
|
|
807 |
fr_FR fr_FR
|
|
808 |
set @@global.lc_time_names=default;
|
|
809 |
select @@global.lc_time_names, @@lc_time_names;
|
|
810 |
@@global.lc_time_names @@lc_time_names
|
|
811 |
en_US fr_FR
|
|
812 |
set @@lc_time_names=default;
|
|
813 |
select @@global.lc_time_names, @@lc_time_names;
|
|
814 |
@@global.lc_time_names @@lc_time_names
|
|
815 |
en_US en_US
|
|
816 |
set @test = @@query_prealloc_size;
|
|
817 |
set @@query_prealloc_size = @test;
|
|
818 |
select @@query_prealloc_size = @test;
|
|
819 |
@@query_prealloc_size = @test
|
|
820 |
1
|
|
821 |
set global sql_mode=repeat('a',80);
|
|
822 |
ERROR 42000: Variable 'sql_mode' can't be set to the value of 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'
|
|
823 |
End of 4.1 tests
|
|
824 |
create table t1 (a int);
|
|
825 |
select a into @x from t1;
|
|
826 |
Warnings:
|
|
827 |
Warning 1329 No data - zero rows fetched, selected, or processed
|
|
828 |
show warnings;
|
|
829 |
Level Code Message
|
|
830 |
Warning 1329 No data - zero rows fetched, selected, or processed
|
|
831 |
drop table t1;
|
|
832 |
set @@warning_count=1;
|
|
833 |
ERROR HY000: Variable 'warning_count' is a read only variable
|
|
834 |
set @@global.error_count=1;
|
|
835 |
ERROR HY000: Variable 'error_count' is a read only variable
|
|
836 |
set @@max_heap_table_size= 4294967296;
|
|
837 |
select @@max_heap_table_size > 0;
|
|
838 |
@@max_heap_table_size > 0
|
|
839 |
1
|
|
840 |
set global max_heap_table_size= 4294967296;
|
|
841 |
select @@max_heap_table_size > 0;
|
|
842 |
@@max_heap_table_size > 0
|
|
843 |
1
|
|
844 |
set @@max_heap_table_size= 4294967296;
|
|
845 |
select @@max_heap_table_size > 0;
|
|
846 |
@@max_heap_table_size > 0
|
|
847 |
1
|
|
848 |
select @@character_set_system;
|
|
849 |
@@character_set_system
|
|
850 |
utf8
|
|
851 |
set global character_set_system = latin1;
|
|
852 |
ERROR HY000: Variable 'character_set_system' is a read only variable
|
|
853 |
set @@global.version_compile_os='234';
|
|
854 |
ERROR HY000: Variable 'version_compile_os' is a read only variable
|
|
855 |
set character_set_filesystem=latin1;
|
|
856 |
select @@character_set_filesystem;
|
|
857 |
@@character_set_filesystem
|
|
858 |
latin1
|
|
859 |
set @@global.character_set_filesystem=latin2;
|
|
860 |
set character_set_filesystem=latin1;
|
|
861 |
select @@character_set_filesystem;
|
|
862 |
@@character_set_filesystem
|
|
863 |
latin1
|
|
864 |
set @@global.character_set_filesystem=latin2;
|
|
865 |
set character_set_filesystem=default;
|
|
866 |
select @@character_set_filesystem;
|
|
867 |
@@character_set_filesystem
|
|
868 |
latin2
|
|
869 |
set @@global.character_set_filesystem=default;
|
|
870 |
select @@global.character_set_filesystem;
|
|
871 |
@@global.character_set_filesystem
|
|
872 |
binary
|
|
873 |
set @old_sql_big_selects = @@sql_big_selects;
|
|
874 |
set @@sql_big_selects = 1;
|
|
875 |
show variables like 'sql_big_selects';
|
|
876 |
Variable_name Value
|
|
877 |
sql_big_selects ON
|
|
878 |
select * from information_schema.session_variables where variable_name like 'sql_big_selects';
|
|
879 |
VARIABLE_NAME VARIABLE_VALUE
|
|
880 |
SQL_BIG_SELECTS ON
|
|
881 |
set @@sql_big_selects = @old_sql_big_selects;
|
|
882 |
set @@sql_notes = 0, @@sql_warnings = 0;
|
|
883 |
show variables like 'sql_notes';
|
|
884 |
Variable_name Value
|
|
885 |
sql_notes OFF
|
|
886 |
select * from information_schema.session_variables where variable_name like 'sql_notes';
|
|
887 |
VARIABLE_NAME VARIABLE_VALUE
|
|
888 |
SQL_NOTES OFF
|
|
889 |
show variables like 'sql_warnings';
|
|
890 |
Variable_name Value
|
|
891 |
sql_warnings OFF
|
|
892 |
select * from information_schema.session_variables where variable_name like 'sql_warnings';
|
|
893 |
VARIABLE_NAME VARIABLE_VALUE
|
|
894 |
SQL_WARNINGS OFF
|
|
895 |
set @@sql_notes = 1, @@sql_warnings = 1;
|
|
896 |
show variables like 'sql_notes';
|
|
897 |
Variable_name Value
|
|
898 |
sql_notes ON
|
|
899 |
select * from information_schema.session_variables where variable_name like 'sql_notes';
|
|
900 |
VARIABLE_NAME VARIABLE_VALUE
|
|
901 |
SQL_NOTES ON
|
|
902 |
show variables like 'sql_warnings';
|
|
903 |
Variable_name Value
|
|
904 |
sql_warnings ON
|
|
905 |
select * from information_schema.session_variables where variable_name like 'sql_warnings';
|
|
906 |
VARIABLE_NAME VARIABLE_VALUE
|
|
907 |
SQL_WARNINGS ON
|
|
908 |
select @@system_time_zone;
|
|
909 |
@@system_time_zone
|
|
910 |
#
|
|
911 |
select @@version, @@version_comment, @@version_compile_machine,
|
|
912 |
@@version_compile_os;
|
|
913 |
@@version @@version_comment @@version_compile_machine @@version_compile_os
|
|
914 |
# # # #
|
|
915 |
select @@basedir, @@datadir, @@tmpdir;
|
|
916 |
@@basedir @@datadir @@tmpdir
|
|
917 |
# # #
|
|
918 |
show variables like 'basedir';
|
|
919 |
Variable_name Value
|
|
920 |
basedir #
|
|
921 |
select * from information_schema.session_variables where variable_name like 'basedir';
|
|
922 |
VARIABLE_NAME VARIABLE_VALUE
|
|
923 |
BASEDIR #
|
|
924 |
show variables like 'datadir';
|
|
925 |
Variable_name Value
|
|
926 |
datadir #
|
|
927 |
select * from information_schema.session_variables where variable_name like 'datadir';
|
|
928 |
VARIABLE_NAME VARIABLE_VALUE
|
|
929 |
DATADIR #
|
|
930 |
show variables like 'tmpdir';
|
|
931 |
Variable_name Value
|
|
932 |
tmpdir #
|
|
933 |
select * from information_schema.session_variables where variable_name like 'tmpdir';
|
|
934 |
VARIABLE_NAME VARIABLE_VALUE
|
|
935 |
TMPDIR #
|
|
936 |
select @@ssl_ca, @@ssl_capath, @@ssl_cert, @@ssl_cipher, @@ssl_key;
|
|
937 |
@@ssl_ca @@ssl_capath @@ssl_cert @@ssl_cipher @@ssl_key
|
|
938 |
# # # # #
|
|
939 |
show variables like 'ssl%';
|
|
940 |
Variable_name Value
|
|
941 |
ssl_ca #
|
|
942 |
ssl_capath #
|
|
943 |
ssl_cert #
|
|
944 |
ssl_cipher #
|
|
945 |
ssl_key #
|
|
946 |
select * from information_schema.session_variables where variable_name like 'ssl%' order by 1;
|
|
947 |
VARIABLE_NAME VARIABLE_VALUE
|
|
948 |
SSL_CA #
|
|
949 |
SSL_CAPATH #
|
|
950 |
SSL_CERT #
|
|
951 |
SSL_CIPHER #
|
|
952 |
SSL_KEY #
|
|
953 |
select @@log_queries_not_using_indexes;
|
|
954 |
@@log_queries_not_using_indexes
|
|
955 |
0
|
|
956 |
show variables like 'log_queries_not_using_indexes';
|
|
957 |
Variable_name Value
|
|
958 |
log_queries_not_using_indexes OFF
|
|
959 |
select * from information_schema.session_variables where variable_name like 'log_queries_not_using_indexes';
|
|
960 |
VARIABLE_NAME VARIABLE_VALUE
|
|
961 |
LOG_QUERIES_NOT_USING_INDEXES OFF
|
|
962 |
select @@"";
|
|
963 |
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 '""' at line 1
|
|
964 |
select @@&;
|
|
965 |
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 '&' at line 1
|
|
966 |
select @@@;
|
|
967 |
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 '@' at line 1
|
|
968 |
select @@hostname;
|
|
969 |
@@hostname
|
|
970 |
#
|
|
971 |
set @@hostname= "anothername";
|
|
972 |
ERROR HY000: Variable 'hostname' is a read only variable
|
|
973 |
show variables like 'hostname';
|
|
974 |
Variable_name Value
|
|
975 |
hostname #
|
|
976 |
End of 5.0 tests
|
|
977 |
set global binlog_cache_size =@my_binlog_cache_size;
|
|
978 |
set global connect_timeout =@my_connect_timeout;
|
|
979 |
set global delayed_insert_timeout =@my_delayed_insert_timeout;
|
|
980 |
set global delayed_queue_size =@my_delayed_queue_size;
|
|
981 |
set global flush =@my_flush;
|
|
982 |
set global flush_time =@my_flush_time;
|
|
983 |
set global key_buffer_size =@my_key_buffer_size;
|
|
984 |
set global max_binlog_cache_size =default;
|
|
985 |
set global max_binlog_size =@my_max_binlog_size;
|
|
986 |
set global max_connect_errors =@my_max_connect_errors;
|
|
987 |
set global max_connections =@my_max_connections;
|
|
988 |
set global max_delayed_threads =@my_max_delayed_threads;
|
|
989 |
set global max_heap_table_size =@my_max_heap_table_size;
|
|
990 |
set global max_insert_delayed_threads=@my_max_insert_delayed_threads;
|
|
991 |
set global max_join_size =@my_max_join_size;
|
|
992 |
set global max_user_connections =default;
|
|
993 |
set global max_write_lock_count =default;
|
|
994 |
set global myisam_data_pointer_size =@my_myisam_data_pointer_size;
|
|
995 |
set global net_buffer_length =@my_net_buffer_length;
|
|
996 |
set global net_write_timeout =@my_net_write_timeout;
|
|
997 |
set global net_read_timeout =@my_net_read_timeout;
|
|
998 |
set global query_cache_limit =@my_query_cache_limit;
|
|
999 |
set global query_cache_type =@my_query_cache_type;
|
|
1000 |
set global rpl_recovery_rank =@my_rpl_recovery_rank;
|
|
1001 |
set global server_id =@my_server_id;
|
|
1002 |
set global slow_launch_time =@my_slow_launch_time;
|
|
1003 |
set global storage_engine =@my_storage_engine;
|
|
1004 |
set global thread_cache_size =@my_thread_cache_size;
|
|
1005 |
show global variables where Variable_name='table_definition_cache' or
|
|
1006 |
Variable_name='table_lock_wait_timeout';
|
|
1007 |
Variable_name Value
|
|
1008 |
table_definition_cache #
|
|
1009 |
table_lock_wait_timeout #
|
|
1010 |
||
1011 |
# -- |
|
1012 |
# -- Bug#34820: log_output can be set to illegal value. |
|
1013 |
# -- |
|
1014 |
SET GLOBAL log_output = ''; |
|
1015 |
ERROR 42000: Variable 'log_output' can't be set to the value of '' |
|
1016 |
SET GLOBAL log_output = 0; |
|
1017 |
ERROR 42000: Variable 'log_output' can't be set to the value of '0' |
|
1018 |
||
1019 |
# -- End of Bug#34820. |