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104 lines
3.8 KiB
Text
104 lines
3.8 KiB
Text
SET @start_global_value = @@global.max_write_lock_count;
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SELECT @start_global_value;
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@start_global_value
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18446744073709551615
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'#--------------------FN_DYNVARS_088_01-------------------------#'
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SET @@global.max_write_lock_count = 1000;
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SET @@global.max_write_lock_count = DEFAULT;
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SELECT @@global.max_write_lock_count;
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@@global.max_write_lock_count
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18446744073709551615
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'#--------------------FN_DYNVARS_088_02-------------------------#'
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SET @@global.max_write_lock_count = DEFAULT;
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SELECT @@global.max_write_lock_count = 4294967295;
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@@global.max_write_lock_count = 4294967295
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0
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'#--------------------FN_DYNVARS_088_03-------------------------#'
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SET @@global.max_write_lock_count = 1;
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SELECT @@global.max_write_lock_count;
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@@global.max_write_lock_count
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1
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SET @@global.max_write_lock_count = 2;
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SELECT @@global.max_write_lock_count;
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@@global.max_write_lock_count
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2
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SET @@global.max_write_lock_count = 65536;
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SELECT @@global.max_write_lock_count;
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@@global.max_write_lock_count
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65536
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SET @@global.max_write_lock_count = 4294967295;
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SELECT @@global.max_write_lock_count;
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@@global.max_write_lock_count
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4294967295
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SET @@global.max_write_lock_count = 4294967294;
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SELECT @@global.max_write_lock_count;
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@@global.max_write_lock_count
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4294967294
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'#------------------FN_DYNVARS_088_04-----------------------#'
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SET @@global.max_write_lock_count = -1024;
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Warnings:
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Warning 1292 Truncated incorrect max_write_lock_count value: '0'
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SELECT @@global.max_write_lock_count;
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@@global.max_write_lock_count
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1
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SET @@global.max_write_lock_count = 4294967296;
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SELECT @@global.max_write_lock_count;
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@@global.max_write_lock_count
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4294967296
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SET @@global.max_write_lock_count = -1;
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Warnings:
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Warning 1292 Truncated incorrect max_write_lock_count value: '0'
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SELECT @@global.max_write_lock_count;
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@@global.max_write_lock_count
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1
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SET @@global.max_write_lock_count = 429496729500;
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SELECT @@global.max_write_lock_count;
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@@global.max_write_lock_count
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429496729500
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SET @@global.max_write_lock_count = 65530.34.;
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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
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SELECT @@global.max_write_lock_count;
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@@global.max_write_lock_count
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429496729500
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SET @@global.max_write_lock_count = test;
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ERROR 42000: Incorrect argument type to variable 'max_write_lock_count'
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SELECT @@global.max_write_lock_count;
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@@global.max_write_lock_count
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429496729500
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'#------------------FN_DYNVARS_088_05-----------------------#'
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SELECT @@global.max_write_lock_count = VARIABLE_VALUE
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FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
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WHERE VARIABLE_NAME='max_write_lock_count';
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@@global.max_write_lock_count = VARIABLE_VALUE
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1
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'#------------------FN_DYNVARS_088_06-----------------------#'
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SET @@global.max_write_lock_count = TRUE;
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SELECT @@global.max_write_lock_count;
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@@global.max_write_lock_count
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1
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SET @@global.max_write_lock_count = FALSE;
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Warnings:
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Warning 1292 Truncated incorrect max_write_lock_count value: '0'
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SELECT @@global.max_write_lock_count;
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@@global.max_write_lock_count
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1
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'#---------------------FN_DYNVARS_088_07----------------------#'
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SET @@global.max_write_lock_count = 20;
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SELECT @@max_write_lock_count = @@global.max_write_lock_count;
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@@max_write_lock_count = @@global.max_write_lock_count
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1
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'#---------------------FN_DYNVARS_088_08----------------------#'
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SET @@global.max_write_lock_count = 102;
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SELECT @@max_write_lock_count;
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@@max_write_lock_count
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102
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SELECT local.max_write_lock_count;
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ERROR 42S02: Unknown table 'local' in field list
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SELECT global.max_write_lock_count;
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ERROR 42S02: Unknown table 'global' in field list
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SELECT max_write_lock_count = @@global.max_write_lock_count;
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ERROR 42S22: Unknown column 'max_write_lock_count' in 'field list'
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SET @@global.max_write_lock_count = @start_global_value;
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SELECT @@global.max_write_lock_count;
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@@global.max_write_lock_count
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18446744073709551615
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