123 lines
4.4 KiB
Plaintext
123 lines
4.4 KiB
Plaintext
SET @start_global_value = @@global.max_user_connections;
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SELECT @start_global_value;
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@start_global_value
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0
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SET @start_session_value = @@session.max_user_connections;
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SELECT @start_session_value;
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@start_session_value
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0
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'#--------------------FN_DYNVARS_087_01-------------------------#'
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SET @@global.max_user_connections = 1000;
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SET @@global.max_user_connections = DEFAULT;
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SELECT @@global.max_user_connections;
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@@global.max_user_connections
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0
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SET @@session.max_user_connections = 1000;
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ERROR HY000: SESSION variable 'max_user_connections' is read-only. Use SET GLOBAL to assign the value
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'#--------------------FN_DYNVARS_087_02-------------------------#'
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SET @@global.max_user_connections = DEFAULT;
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SELECT @@global.max_user_connections = 0;
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@@global.max_user_connections = 0
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1
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SET @@session.max_user_connections = DEFAULT;
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ERROR HY000: SESSION variable 'max_user_connections' is read-only. Use SET GLOBAL to assign the value
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SELECT @@session.max_user_connections;
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@@session.max_user_connections
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0
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'#--------------------FN_DYNVARS_087_03-------------------------#'
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SET @@global.max_user_connections = 1;
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SELECT @@global.max_user_connections;
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@@global.max_user_connections
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1
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SET @@global.max_user_connections = 2;
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SELECT @@global.max_user_connections;
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@@global.max_user_connections
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2
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SET @@global.max_user_connections = 65536;
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SELECT @@global.max_user_connections;
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@@global.max_user_connections
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65536
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SET @@global.max_user_connections = 4294967295;
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SELECT @@global.max_user_connections;
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@@global.max_user_connections
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4294967295
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SET @@global.max_user_connections = 4294967294;
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SELECT @@global.max_user_connections;
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@@global.max_user_connections
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4294967294
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'#------------------FN_DYNVARS_087_05-----------------------#'
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SET @@global.max_user_connections = -1024;
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Warnings:
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Warning 1292 Truncated incorrect max_user_connections value: '-1024'
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SELECT @@global.max_user_connections;
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@@global.max_user_connections
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0
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SET @@global.max_user_connections = 4294967296;
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Warnings:
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Warning 1292 Truncated incorrect max_user_connections value: '4294967296'
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SELECT @@global.max_user_connections;
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@@global.max_user_connections
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4294967295
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SET @@global.max_user_connections = -1;
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Warnings:
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Warning 1292 Truncated incorrect max_user_connections value: '-1'
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SELECT @@global.max_user_connections;
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@@global.max_user_connections
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0
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SET @@global.max_user_connections = 429496729500;
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Warnings:
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Warning 1292 Truncated incorrect max_user_connections value: '429496729500'
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SELECT @@global.max_user_connections;
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@@global.max_user_connections
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4294967295
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SET @@global.max_user_connections = 65530.34;
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ERROR 42000: Incorrect argument type to variable 'max_user_connections'
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SELECT @@global.max_user_connections;
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@@global.max_user_connections
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4294967295
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SET @@global.max_user_connections = test;
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ERROR 42000: Incorrect argument type to variable 'max_user_connections'
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SELECT @@global.max_user_connections;
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@@global.max_user_connections
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4294967295
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SET @@global.max_user_connections = ' ';
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ERROR 42000: Incorrect argument type to variable 'max_user_connections'
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SELECT @@global.max_user_connections;
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@@global.max_user_connections
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4294967295
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'#------------------FN_DYNVARS_087_06-----------------------#'
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SELECT @@global.max_user_connections = VARIABLE_VALUE
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FROM performance_schema.global_variables
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WHERE VARIABLE_NAME='max_user_connections';
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@@global.max_user_connections = VARIABLE_VALUE
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1
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'#------------------FN_DYNVARS_087_08-----------------------#'
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SET @@global.max_user_connections = TRUE;
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SELECT @@global.max_user_connections;
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@@global.max_user_connections
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1
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SET @@global.max_user_connections = FALSE;
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SELECT @@global.max_user_connections;
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@@global.max_user_connections
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0
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'#---------------------FN_DYNVARS_087_09----------------------#'
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SET @@global.max_user_connections = 20;
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SELECT @@max_user_connections = @@global.max_user_connections;
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@@max_user_connections = @@global.max_user_connections
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1
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'#---------------------FN_DYNVARS_087_11----------------------#'
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SET @@global.max_user_connections = 102;
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SELECT @@max_user_connections;
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@@max_user_connections
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102
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SELECT local.max_user_connections;
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ERROR 42S02: Unknown table 'local' in field list
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SELECT session.max_user_connections;
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ERROR 42S02: Unknown table 'session' in field list
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SELECT max_user_connections = @@session.max_user_connections;
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ERROR 42S22: Unknown column 'max_user_connections' in 'field list'
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SET @@global.max_user_connections = @start_global_value;
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SELECT @@global.max_user_connections;
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@@global.max_user_connections
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0
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