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ffbb2bbc09
This is covered in mysql-test/t/variables.test. There is no sense to test this for every individual variables. This is to reduce the coming soon patch for ROW-type routine variables, which will change the error from ER_PARSE_ERROR to a new error "unknown structured variable".
131 lines
4.2 KiB
Plaintext
131 lines
4.2 KiB
Plaintext
SET @start_value = @@global.max_connections;
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SELECT @start_value;
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@start_value
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151
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'#--------------------FN_DYNVARS_074_01------------------------#'
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SET @@global.max_connections = 5000;
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SET @@global.max_connections = DEFAULT;
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SELECT @@global.max_connections;
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@@global.max_connections
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151
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'#---------------------FN_DYNVARS_074_02-------------------------#'
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SET @@global.max_connections = @start_value;
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SELECT @@global.max_connections = 151;
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@@global.max_connections = 151
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1
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'#--------------------FN_DYNVARS_074_03------------------------#'
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SET @@global.max_connections = 100000;
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SELECT @@global.max_connections;
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@@global.max_connections
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100000
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SET @@global.max_connections = 99999;
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SELECT @@global.max_connections;
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@@global.max_connections
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99999
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SET @@global.max_connections = 65536;
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SELECT @@global.max_connections;
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@@global.max_connections
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65536
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SET @@global.max_connections = 1;
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SELECT @@global.max_connections;
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@@global.max_connections
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1
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SET @@global.max_connections = 2;
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SELECT @@global.max_connections;
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@@global.max_connections
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2
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'#--------------------FN_DYNVARS_074_04-------------------------#'
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SET @@global.max_connections = -1;
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Warnings:
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Warning 1292 Truncated incorrect max_connections value: '-1'
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SELECT @@global.max_connections;
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@@global.max_connections
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1
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SET @@global.max_connections = 100000000000;
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Warnings:
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Warning 1292 Truncated incorrect max_connections value: '100000000000'
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SELECT @@global.max_connections;
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@@global.max_connections
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100000
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SET @@global.max_connections = 10000.01;
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ERROR 42000: Incorrect argument type to variable 'max_connections'
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SELECT @@global.max_connections;
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@@global.max_connections
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100000
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SET @@global.max_connections = -1024;
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Warnings:
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Warning 1292 Truncated incorrect max_connections value: '-1024'
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SELECT @@global.max_connections;
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@@global.max_connections
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1
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SET @@global.max_connections = 0;
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Warnings:
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Warning 1292 Truncated incorrect max_connections value: '0'
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SELECT @@global.max_connections;
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@@global.max_connections
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1
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SET @@global.max_connections = 100001;
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Warnings:
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Warning 1292 Truncated incorrect max_connections value: '100001'
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SELECT @@global.max_connections;
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@@global.max_connections
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100000
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SET @@global.max_connections = ON;
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ERROR 42000: Incorrect argument type to variable 'max_connections'
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SELECT @@global.max_connections;
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@@global.max_connections
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100000
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SET @@global.max_connections = 'test';
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ERROR 42000: Incorrect argument type to variable 'max_connections'
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SELECT @@global.max_connections;
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@@global.max_connections
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100000
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'#-------------------FN_DYNVARS_074_05----------------------------#'
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SET @@session.max_connections = 4096;
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ERROR HY000: Variable 'max_connections' is a GLOBAL variable and should be set with SET GLOBAL
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SELECT @@session.max_connections;
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ERROR HY000: Variable 'max_connections' is a GLOBAL variable
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'#----------------------FN_DYNVARS_074_06------------------------#'
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SELECT @@global.max_connections = VARIABLE_VALUE
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FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
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WHERE VARIABLE_NAME='max_connections';
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@@global.max_connections = VARIABLE_VALUE
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1
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SELECT @@max_connections = VARIABLE_VALUE
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FROM INFORMATION_SCHEMA.SESSION_VARIABLES
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WHERE VARIABLE_NAME='max_connections';
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@@max_connections = VARIABLE_VALUE
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1
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'#---------------------FN_DYNVARS_074_07----------------------#'
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SET @@global.max_connections = TRUE;
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SELECT @@global.max_connections;
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@@global.max_connections
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1
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SET @@global.max_connections = FALSE;
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Warnings:
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Warning 1292 Truncated incorrect max_connections value: '0'
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SELECT @@global.max_connections;
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@@global.max_connections
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1
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'#---------------------FN_DYNVARS_074_08----------------------#'
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SET @@global.max_connections = 5000;
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SELECT @@max_connections = @@global.max_connections;
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@@max_connections = @@global.max_connections
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1
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'#---------------------FN_DYNVARS_074_09----------------------#'
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SET max_connections = 6000;
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ERROR HY000: Variable 'max_connections' is a GLOBAL variable and should be set with SET GLOBAL
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SELECT @@max_connections;
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@@max_connections
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5000
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SELECT local.max_connections;
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ERROR 42S02: Unknown table 'local' in field list
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SELECT global.max_connections;
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ERROR 42S02: Unknown table 'global' in field list
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SELECT max_connections = @@session.max_connections;
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ERROR 42S22: Unknown column 'max_connections' in 'field list'
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SET @@global.max_connections = @start_value;
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SELECT @@global.max_connections;
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@@global.max_connections
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151
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