new pisilinux web sites

Internal/package-database/MySQLi/DBForge.php

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+<?php namespace ZN\Database\MySQLi;
+/**
+ * ZN PHP Web Framework
+ * 
+ * "Simplicity is the ultimate sophistication." ~ Da Vinci
+ * 
+ * @package ZN
+ * @license MIT [http://opensource.org/licenses/MIT]
+ * @author  Ozan UYKUN [ozan@znframework.com]
+ */
+
+use ZN\Database\DriverForge;
+
+class DBForge extends DriverForge
+{
+    /**
+     * Drop Foreign Key
+     * 
+     * 5.7.4[added]
+     * 
+     * @param string $table
+     * @param string $constraint = NULL
+     * 
+     * @return string
+     */
+    public function dropForeignKey($table, $constraint = NULL)
+    {
+        return 'ALTER TABLE ' . $table . ' DROP ' . $this->db()->foreignKey() . ' ' . $constraint . ';';
+    }
+
+    /**
+     * Drop Primary Key
+     * 
+     * 5.7.4[added]
+     * 
+     * @param string $table
+     * @param string $constraint = NULL
+     * 
+     * @return string
+     */
+    public function dropPrimaryKey($table, $constraint = NULL)
+    {
+        return 'ALTER TABLE ' . $table . ' DROP ' . $this->db()->primaryKey() . ';';
+    }
+}