Added CUBRID support for throwing integrity exception

framework/db/cubrid/Schema.php

@@ -65,6 +65,14 @@ class Schema extends \yii\db\Schema
     ];
 
     /**
+     * @var array map of DB errors and corresponding exceptions
+     * If left part is found in DB error message exception class from the right part is used.
+     */
+    public $exceptionMap = [
+        'Operation would have caused one or more unique constraint violations' => '\yii\db\IntegrityException',
+    ];
+
+    /**
      * @inheritdoc
      */
     public function releaseSavepoint($name)