The main model is a Project. A Project hasMany Milestone. A Milestone
hasMany Task. A Task hasMany Hour.
I'm hoping to use Model::find() to build this query (or something like
it..):
====
SELECT `Project`.`id`,
SUM(`Hour`.`time`)
FROM `projects` AS `Project`
LEFT JOIN `milestones` AS `Milestone`
ON `Milestone`.`project_id` = `Project`.`id`
LEFT JOIN `tasks` AS `Task`
ON `Task`.`milestone_id` = `Milestone`.`id`
LEFT JOIN `hours` AS `Hour`
ON `Hour`.`task_id` = `Task`.`id`
WHERE 1 = 1
GROUP BY `Project`.`id`;
====
Here's the function in the Project model I'm using to try building the
query.. if I comment out the $fields[] = 'SUM(..)' line it pulls all
the model data recursively.. but it does it with a separate query per
table instead of using joins.
====
function getHours($id = null) {
$this->recursive = 3;
if($id == null)
$id = $this->id;
$this->unbindModel(array('belongsTo' => array('Client',
'User')));
$fields = null;
$conditions = array('`Project`.`id`' => $id);
$fields[] = 'SUM(`Hour`.`time`)';
$result = $this->find($conditions, $fields);
return $result['Project']['SUM(`Hour`.`time`)'];
}
====
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