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改进关联统计

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thinkphp
2016-12-26 15:52:53 +08:00
parent bfcc08cdeb
commit a74b842d71
4 changed files with 61 additions and 2 deletions
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22
library/think/db/Query.php
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@@ -1675,11 +1675,29 @@ class Query
* 关联统计
* @access public
* @param string|array $relation 关联方法名
* @param bool $subQuery 是否使用子查询
* @return $this
*/
public function withCount($relation)
public function withCount($relation, $subQuery = false)
{
$this->options['with_count'] = $relation;
if (!$subQuery) {
$this->options['with_count'] = $relation;
} else {
$relations = is_string($relation) ? explode(',', $relation) : $relation;
if (!isset($this->options['field'])) {
$this->field('*');
}
foreach ($relations as $key => $relation) {
$closure = false;
if ($relation instanceof \Closure) {
$closure = $relation;
$relation = $key;
}
$relation = Loader::parseName($relation, 1, false);
$count = '(' . (new $this->model)->$relation()->getRelationCountQuery($closure) . ')';
$this->field([$count => Loader::parseName($relation) . '_count']);
}
}
return $this;
}