54 lines
1.6 KiB
Plaintext
54 lines
1.6 KiB
Plaintext
SET @start_global_value = @@global.flush_time;
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select @@global.flush_time;
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@@global.flush_time
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0
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select @@session.flush_time;
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ERROR HY000: Variable 'flush_time' is a GLOBAL variable
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show global variables like 'flush_time';
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Variable_name Value
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flush_time 0
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show session variables like 'flush_time';
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Variable_name Value
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flush_time 0
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select * from performance_schema.global_variables where variable_name='flush_time';
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VARIABLE_NAME VARIABLE_VALUE
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flush_time 0
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select * from performance_schema.session_variables where variable_name='flush_time';
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VARIABLE_NAME VARIABLE_VALUE
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flush_time 0
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set global flush_time=1;
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select @@global.flush_time;
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@@global.flush_time
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1
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set session flush_time=1;
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ERROR HY000: Variable 'flush_time' is a GLOBAL variable and should be set with SET GLOBAL
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SET global flush_time = DEFAULT;
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SELECT @@global.flush_time;
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@@global.flush_time
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0
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SET @@global.flush_time = -1024;
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Warnings:
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Warning 1292 Truncated incorrect flush_time value: '-1024'
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SELECT @@global.flush_time;
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@@global.flush_time
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0
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set global flush_time=1.1;
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ERROR 42000: Incorrect argument type to variable 'flush_time'
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set global flush_time=1e1;
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ERROR 42000: Incorrect argument type to variable 'flush_time'
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set global flush_time="foo";
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ERROR 42000: Incorrect argument type to variable 'flush_time'
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set global flush_time=" ";
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ERROR 42000: Incorrect argument type to variable 'flush_time'
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set global flush_time=0;
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select @@global.flush_time;
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@@global.flush_time
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0
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set global flush_time=cast(-1 as unsigned int);
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Warnings:
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Warning 1292 Truncated incorrect flush_time value: '18446744073709551615'
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select @@global.flush_time;
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@@global.flush_time
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31536000
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SET @@global.flush_time = @start_global_value;
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