改进关联统计

2026-07-05 22:52:49 +08:00 · 2016-12-26 15:52:53 +08:00
parent bfcc08cdeb
commit a74b842d71
4 changed files with 61 additions and 2 deletions
--- a/library/think/model/relation/HasMany.php
+++ b/library/think/model/relation/HasMany.php
@@ -130,6 +130,21 @@ class HasMany extends Relation
        return $count;
    }

+    /**
+     * 创建关联统计子查询
+     * @access public
+     * @param \Closure  $closure 闭包
+     * @return string
+     */
+    public function getRelationCountQuery($closure)
+    {
+        if ($closure) {
+            call_user_func_array($closure, [ & $this->query]);
+        }
+
+        return $this->query->where([$this->foreignKey => ['exp', '=' . $this->parent->getTable() . '.' . $this->parent->getPk()]])->fetchSql()->count();
+    }
+
    /**
     * 一对多 关联模型预查询
     * @access public