23 lines
961 B
Plaintext
23 lines
961 B
Plaintext
SET @start_value = @@global.general_log_file;
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SELECT @start_value;
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@start_value
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test.log
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'#---------------------FN_DYNVARS_004_01-------------------------#'
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SET @@global.general_log_file = DEFAULT;
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SET @a=concat(left(@@hostname, instr(concat(@@hostname, '.'), '.')-1), '.log');
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SELECT RIGHT(@@global.general_log_file, length(@a)) = @a;
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RIGHT(@@global.general_log_file, length(@a)) = @a
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1
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'#--------------------FN_DYNVARS_004_02------------------------#'
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SET @@global.general_log_file = mytest.log;
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ERROR 42000: Incorrect argument type to variable 'general_log_file'
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SET @@global.general_log_file = 12;
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ERROR 42000: Incorrect argument type to variable 'general_log_file'
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'#----------------------FN_DYNVARS_004_03------------------------#'
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SELECT @@global.general_log_file = VARIABLE_VALUE
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FROM performance_schema.global_variables
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WHERE VARIABLE_NAME='general_log_file';
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@@global.general_log_file = VARIABLE_VALUE
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1
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SET @@global.general_log_file= @start_value;
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