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WL#4738 streamline/simplify @@variable creation process
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
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@ -1,26 +1,18 @@
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SET @start_value = @@global.log_output;
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SELECT @start_value;
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@start_value
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FILE,TABLE
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FILE
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'#--------------------FN_DYNVARS_065_01------------------------#'
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SET @@global.log_output = FILE;
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SET @@global.log_output = DEFAULT;
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SELECT @@global.log_output;
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@@global.log_output
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FILE
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'Bug# 34876: Documentation specifies a DEFAULT value of TABLE whereas';
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'DEFAULT value is FILE. Also note that initial value is different';
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'from DEFAULT';
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'#---------------------FN_DYNVARS_065_02-------------------------#'
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SET @@global.log_output = NULL;
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ERROR 42000: Variable 'log_output' can't be set to the value of 'NULL'
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SET @@global.log_output = "";
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ERROR 42000: Variable 'log_output' can't be set to the value of ''
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SELECT @@global.log_output;
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@@global.log_output
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FILE
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'Bug# 34838: Empty value is allowed where as it is not specified in';
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'documentation';
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'#--------------------FN_DYNVARS_065_03------------------------#'
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SET @@global.log_output = 'TABLE';
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SELECT @@global.log_output;
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@ -66,10 +58,6 @@ SET @@global.log_output = ',TABLE';
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SELECT @@global.log_output;
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@@global.log_output
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TABLE
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SET @@global.log_output = ',';
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SELECT @@global.log_output;
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@@global.log_output
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SET @@global.log_output = 'TABLE,,FILE,,,';
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SELECT @@global.log_output;
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@@global.log_output
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@ -89,22 +77,6 @@ SET @@global.log_output = 'TABLE, FILE';
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ERROR 42000: Variable 'log_output' can't be set to the value of ' FILE'
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SET @@global.log_output = ' TABLE,FILE';
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ERROR 42000: Variable 'log_output' can't be set to the value of ' TABLE'
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SET @@global.log_output = ', ';
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SELECT @@global.log_output;
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@@global.log_output
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SET @@global.log_output = ' ';
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SELECT @@global.log_output;
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@@global.log_output
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SET @@global.log_output = ' ';
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SELECT @@global.log_output;
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@@global.log_output
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'Bug: The behavior of space in value is not consistent.';
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'Some times it is trimmed and some times not.';
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'The space before and after value is not accepted where as space';
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'between comma is accepted.';
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'#-------------------FN_DYNVARS_065_05----------------------------#'
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SET @@log_output = 0;
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ERROR HY000: Variable 'log_output' is a GLOBAL variable and should be set with SET GLOBAL
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@ -121,7 +93,7 @@ SET @@global.log_output = 0;
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ERROR 42000: Variable 'log_output' can't be set to the value of '0'
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SELECT @@global.log_output;
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@@global.log_output
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FILE,TABLE
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SET @@global.log_output = 1;
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SELECT @@global.log_output;
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@@global.log_output
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@ -172,4 +144,4 @@ TABLE
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SET @@global.log_output = @start_value;
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SELECT @@global.log_output;
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@@global.log_output
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FILE,TABLE
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FILE
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