" l.timesheet_id, l.invoice_id, l.billable, l.paid, l.date from tt_log l".
" left join tt_projects p on (p.id = l.project_id)".
" left join tt_tasks t on (t.id = l.task_id)".
" l.timesheet_id, l.invoice_id, l.billable, l.paid, l.date from tt_log l".
" left join tt_projects p on (p.id = l.project_id)".
" left join tt_tasks t on (t.id = l.task_id)".