database - Mysql group by with normal column and mysql function aliases column -


i have been trying group mysql group in normal column , mysql function aliases column mysql function aliases wont work group query tried , should work according mysql documentation.

select `project`.`project_name`, sum(cost_allocated) cost_allocated,     count(task_id) counttask,      group_concat(task_registration.members separator ';') members,          group_concat(task_registration.indicators separator ';') indicators,      group_concat(task_registration.percent_complete separator ';') percent_complete,     group_concat(task_registration.status separator ';') status,      date_format(`task_registration`.`created_at`, '%m') month (`project`)  inner join `task_registration` on `task_registration`.`project` = `project`.`project_id`  group `task_registration`.`project`,`month`  order `project`.`project_id` desc

the result enter image description here

now after removing normal column group , adding mysql function aliases column works fine need both

select `project`.`project_name`, sum(cost_allocated) cost_allocated,      count(task_id) counttask,      group_concat(task_registration.members separator ';') members,      group_concat(task_registration.indicators separator ';') indicators,      group_concat(task_registration.percent_complete separator ';') percent_complete,      group_concat(task_registration.status separator ';') status,      date_format(`task_registration`.`created_at`, '%m') month (`project`)  inner join `task_registration` on `task_registration`.`project` = `project`.`project_id`  group `month`  order `project`.`project_id` desc

after removing task_registration`.`project group enter image description here

 group `task_registration`.`project`,`month`  doesnt work in case

http://sqlfiddle.com/#!2/18389/2 have tried far

very difficult work out want without table declarations, sample input data , sample output data, comment can suggest using 2nd query sub query , joining results of first query:-

select project.project_name,      sum(cost_allocated) cost_allocated,     count(task_id) counttask,      group_concat(task_registration.members separator ';') members,          group_concat(task_registration.indicators separator ';') indicators,      group_concat(task_registration.percent_complete separator ';') percent_complete,     group_concat(task_registration.status separator ';') status,      date_format(task_registration.created_at, '%m') month,     sub0.cost_allocated months_cost_allocated,      sub0.counttask months_counttask,      sub0.members months_members,      sub0.indicators months_indicators,      sub0.percent_complete months_percent_complete,      sub0.status months_status (`project`)  inner join `task_registration` on `task_registration`.`project` = `project`.`project_id`  inner join (     select date_format(task_registration.created_at, '%m') month,         sum(cost_allocated) cost_allocated,          count(task_id) counttask,          group_concat(task_registration.members separator ';') members,          group_concat(task_registration.indicators separator ';') indicators,          group_concat(task_registration.percent_complete separator ';') percent_complete,          group_concat(task_registration.status separator ';') status     (project)      inner join task_registration on task_registration.project = project.project_id     group `month`  ) sub0 on date_format(task_registration.created_at, '%m') = sub0.`month` group task_registration.project,         `month`,          months_cost_allocated,          sub0.counttask months_counttask,          sub0.members months_members,          sub0.indicators months_indicators,          sub0.percent_complete months_percent_complete,          sub0.status months_status order project.project_id desc

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