debugging - mysql: ERROR: Option 'debug=d:t:o,/var/log/list.log' used, but is disabled -


in app 

mysql: error: option 'debug=d:t:o,/var/log/list.log' used, disabled

how can enable --debug in mysql? if possible without changing my.conf.

i found following solution

instead of

mysql --debug .......

i 

mysql ............... <<eof 2>>/var/log/list.log

its saving errors , warnings file


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