mirror of
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1ad5bb1a69
Bug#16565 mysqld --help --verbose does not order variablesBug#20413 sql_slave_skip_counter is not shown in show variables Bug#20415 Output of mysqld --help --verbose is incomplete Bug#25430 variable not found in SELECT @@global.ft_max_word_len; Bug#32902 plugin variables don't know their names Bug#34599 MySQLD Option and Variable Reference need to be consistent in formatting! Bug#34829 No default value for variable and setting default does not raise error Bug#34834 ? Is accepted as a valid sql mode Bug#34878 Few variables have default value according to documentation but error occurs Bug#34883 ft_boolean_syntax cant be assigned from user variable to global var. Bug#37187 `INFORMATION_SCHEMA`.`GLOBAL_VARIABLES`: inconsistent status Bug#40988 log_output_basic.test succeeded though syntactically false. Bug#41010 enum-style command-line options are not honoured (maria.maria-recover fails) Bug#42103 Setting key_buffer_size to a negative value may lead to very large allocations Bug#44691 Some plugins configured as MYSQL_PLUGIN_MANDATORY in can be disabled Bug#44797 plugins w/o command-line options have no disabling option in --help Bug#46314 string system variables don't support expressions Bug#46470 sys_vars.max_binlog_cache_size_basic_32 is broken Bug#46586 When using the plugin interface the type "set" for options caused a crash. Bug#47212 Crash in DBUG_PRINT in mysqltest.cc when trying to print octal number Bug#48758 mysqltest crashes on sys_vars.collation_server_basic in gcov builds Bug#49417 some complaints about mysqld --help --verbose output Bug#49540 DEFAULT value of binlog_format isn't the default value Bug#49640 ambiguous option '--skip-skip-myisam' (double skip prefix) Bug#49644 init_connect and \0 Bug#49645 init_slave and multi-byte characters Bug#49646 mysql --show-warnings crashes when server dies CMakeLists.txt: Bug#44691 Some plugins configured as MYSQL_PLUGIN_MANDATORY in can be disabled client/mysql.cc: don't crash with --show-warnings when mysqld dies config/ac-macros/plugins.m4: Bug#44691 Some plugins configured as MYSQL_PLUGIN_MANDATORY in can be disabled include/my_getopt.h: comments include/my_pthread.h: fix double #define mysql-test/mysql-test-run.pl: run sys_vars suite by default properly recognize envirinment variables (e.g. MTR_MAX_SAVE_CORE) set to 0 escape gdb command line arguments mysql-test/suite/sys_vars/r/rpl_init_slave_func.result: init_slave+utf8 bug mysql-test/suite/sys_vars/t/rpl_init_slave_func.test: init_slave+utf8 bug mysys/my_getopt.c: Bug#34599 MySQLD Option and Variable Reference need to be consistent in formatting! Bug#46586 When using the plugin interface the type "set" for options caused a crash. Bug#49640 ambiguous option '--skip-skip-myisam' (double skip prefix) mysys/typelib.c: support for flagset sql/ha_ndbcluster.cc: backport from telco tree sql/item_func.cc: Bug#49644 init_connect and \0 Bug#49645 init_slave and multi-byte characters sql/sql_builtin.cc.in: Bug#44691 Some plugins configured as MYSQL_PLUGIN_MANDATORY in can be disabled sql/sql_plugin.cc: Bug#44691 Some plugins configured as MYSQL_PLUGIN_MANDATORY in can be disabled Bug#32902 plugin variables don't know their names Bug#44797 plugins w/o command-line options have no disabling option in --help sql/sys_vars.cc: all server variables are defined here storage/myisam/ft_parser.c: remove unnecessary updates of param->quot storage/myisam/ha_myisam.cc: myisam_* variables belong here strings/my_vsnprintf.c: %o and %llx unittest/mysys/my_vsnprintf-t.c: %o and %llx tests vio/viosocket.c: bugfix: fix @@wait_timeout to work with socket timeouts (vs. alarm thread)
94 lines
3.9 KiB
Plaintext
94 lines
3.9 KiB
Plaintext
drop table if exists t1;
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SET SQL_SAFE_UPDATES=1,SQL_SELECT_LIMIT=4, MAX_JOIN_SIZE=9;
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create table t1 (a int auto_increment primary key, b char(20));
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insert into t1 values(1,"test");
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SELECT SQL_BUFFER_RESULT * from t1;
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a b
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1 test
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update t1 set b="a" where a=1;
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delete from t1 where a=1;
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insert into t1 values(1,"test"),(2,"test2");
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SELECT SQL_BUFFER_RESULT * from t1;
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a b
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1 test
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2 test2
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update t1 set b="a" where a=1;
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select 1 from t1,t1 as t2,t1 as t3;
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1
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1
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1
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1
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1
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update t1 set b="a";
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ERROR HY000: You are using safe update mode and you tried to update a table without a WHERE that uses a KEY column
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update t1 set b="a" where b="test";
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ERROR HY000: You are using safe update mode and you tried to update a table without a WHERE that uses a KEY column
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delete from t1;
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ERROR HY000: You are using safe update mode and you tried to update a table without a WHERE that uses a KEY column
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delete from t1 where b="test";
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ERROR HY000: You are using safe update mode and you tried to update a table without a WHERE that uses a KEY column
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delete from t1 where a+0=1;
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ERROR HY000: You are using safe update mode and you tried to update a table without a WHERE that uses a KEY column
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select 1 from t1,t1 as t2,t1 as t3,t1 as t4,t1 as t5;
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ERROR 42000: The SELECT would examine more than MAX_JOIN_SIZE rows; check your WHERE and use SET SQL_BIG_SELECTS=1 or SET SQL_MAX_JOIN_SIZE=# if the SELECT is okay
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update t1 set b="a" limit 1;
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update t1 set b="a" where b="b" limit 2;
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delete from t1 where b="test" limit 1;
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delete from t1 where a+0=1 limit 2;
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alter table t1 add key b (b);
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SET MAX_JOIN_SIZE=2;
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SELECT @@MAX_JOIN_SIZE, @@SQL_BIG_SELECTS;
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@@MAX_JOIN_SIZE @@SQL_BIG_SELECTS
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2 0
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insert into t1 values (null,"a"),(null,"a"),(null,"a"),(null,"a"),(null,"a"),(null,"a"),(null,"a"),(null,"a"),(null,"a"),(null,"a");
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SELECT * from t1 order by a;
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ERROR 42000: The SELECT would examine more than MAX_JOIN_SIZE rows; check your WHERE and use SET SQL_BIG_SELECTS=1 or SET SQL_MAX_JOIN_SIZE=# if the SELECT is okay
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SET SQL_BIG_SELECTS=1;
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SELECT * from t1 order by a;
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a b
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2 test2
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3 a
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4 a
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5 a
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SET MAX_JOIN_SIZE=2;
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SELECT * from t1;
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ERROR 42000: The SELECT would examine more than MAX_JOIN_SIZE rows; check your WHERE and use SET SQL_BIG_SELECTS=1 or SET SQL_MAX_JOIN_SIZE=# if the SELECT is okay
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SET MAX_JOIN_SIZE=DEFAULT;
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SELECT * from t1;
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a b
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2 test2
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3 a
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4 a
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5 a
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analyze table t1;
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Table Op Msg_type Msg_text
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test.t1 analyze status OK
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insert into t1 values (null,"a"),(null,"a"),(null,"a"),(null,"a"),(null,"a"),(null,"a"),(null,"a"),(null,"a"),(null,"a"),(null,"a");
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explain select STRAIGHT_JOIN * from t1,t1 as t2 where t1.b=t2.b;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ALL b NULL NULL NULL 21
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1 SIMPLE t2 ref b b 21 test.t1.b 6 Using where
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set MAX_SEEKS_FOR_KEY=1;
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explain select STRAIGHT_JOIN * from t1,t1 as t2 where t1.b=t2.b;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ALL b NULL NULL NULL 21
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1 SIMPLE t2 ref b b 21 test.t1.b 6 Using where
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SET MAX_SEEKS_FOR_KEY=DEFAULT;
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drop table t1;
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create table t1 (a int);
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insert into t1 values (1),(2),(3),(4),(5);
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insert into t1 select * from t1;
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insert into t1 select * from t1;
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insert into t1 select * from t1;
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set local max_join_size=8;
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select * from (select * from t1) x;
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ERROR 42000: The SELECT would examine more than MAX_JOIN_SIZE rows; check your WHERE and use SET SQL_BIG_SELECTS=1 or SET SQL_MAX_JOIN_SIZE=# if the SELECT is okay
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set local max_join_size=1;
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select * from (select a.a as aa, b.a as ba from t1 a, t1 b) x;
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ERROR 42000: The SELECT would examine more than MAX_JOIN_SIZE rows; check your WHERE and use SET SQL_BIG_SELECTS=1 or SET SQL_MAX_JOIN_SIZE=# if the SELECT is okay
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set local max_join_size=1;
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select * from (select 1 union select 2 union select 3) x;
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ERROR 42000: The SELECT would examine more than MAX_JOIN_SIZE rows; check your WHERE and use SET SQL_BIG_SELECTS=1 or SET SQL_MAX_JOIN_SIZE=# if the SELECT is okay
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drop table t1;
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SET SQL_SAFE_UPDATES=0,SQL_SELECT_LIMIT=DEFAULT, MAX_JOIN_SIZE=DEFAULT;
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