par_few_duplicate_run $CSV	par_few_duplicate_run $CSV
par_few_duplicate_run $CSV	### With many workers there will be some duplicates
par_few_duplicate_run $CSV	OK
par_few_duplicate_run $MYSQL	par_few_duplicate_run $MYSQL
par_few_duplicate_run $MYSQL	### With many workers there will be some duplicates
par_few_duplicate_run $MYSQL	OK
par_few_duplicate_run $PG	par_few_duplicate_run $PG
par_few_duplicate_run $PG	### With many workers there will be some duplicates
par_few_duplicate_run $PG	OK
par_few_duplicate_run $SQLITE	par_few_duplicate_run $SQLITE
par_few_duplicate_run $SQLITE	### With many workers there will be some duplicates
par_few_duplicate_run $SQLITE	OK