Revert "改名"

This reverts commit fdf58326

Condition/ChildCondition.php

@@ -0,0 +1,22 @@
+<?php
+declare(strict_types=1);
+
+namespace Database\Condition;
+
+
+/**
+ * Class ChildCondition
+ * @package Database\Condition
+ */
+class ChildCondition extends Condition
+{
+
+	/**
+	 * @return string
+	 */
+	public function builder(): string
+	{
+		return $this->column . ' ' . $this->opera . ' (' . $this->value . ')';
+	}
+
+}