61 lines
1.2 KiB
Plaintext
61 lines
1.2 KiB
Plaintext
SET @start_global_value = @@global.flush_time;
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#
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# exists as global only
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#
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select @@global.flush_time;
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--error ER_INCORRECT_GLOBAL_LOCAL_VAR
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select @@session.flush_time;
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show global variables like 'flush_time';
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show session variables like 'flush_time';
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--disable_warnings
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select * from performance_schema.global_variables where variable_name='flush_time';
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select * from performance_schema.session_variables where variable_name='flush_time';
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--enable_warnings
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#
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# show that it's writable
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#
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set global flush_time=1;
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select @@global.flush_time;
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--error ER_GLOBAL_VARIABLE
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set session flush_time=1;
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#
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#check the default value
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#
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SET global flush_time = DEFAULT;
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SELECT @@global.flush_time;
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#
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# invalid values
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#
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SET @@global.flush_time = -1024;
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SELECT @@global.flush_time;
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# incorrect types
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#
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--error ER_WRONG_TYPE_FOR_VAR
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set global flush_time=1.1;
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--error ER_WRONG_TYPE_FOR_VAR
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set global flush_time=1e1;
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--error ER_WRONG_TYPE_FOR_VAR
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set global flush_time="foo";
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--error ER_WRONG_TYPE_FOR_VAR
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set global flush_time=" ";
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#
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# min/max values
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#
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set global flush_time=0;
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select @@global.flush_time;
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set global flush_time=cast(-1 as unsigned int);
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select @@global.flush_time;
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SET @@global.flush_time = @start_global_value;
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