GLOBAL VARIABLES ^ DBIx::Log4perl::LogMask This variable controls the amount of logging logged to the Log::Log4perl handle. There are a number of constants defined which may be ORed together to obtain the logging level you require: CONSTANTS ^ The following constants may be imported via the :masks group use DBIx::Log4perl qw(:masks); ... DBIX_L4P_LOG_OUTPUT Log at Log4perl debug level the result-sets generated by select* or fetch* methods. Be careful, this could produce a lot of output if you produce large result-sets.