From 02334963d5529adea661ab228842e538f2b44eef Mon Sep 17 00:00:00 2001
From: Suomm <1474983351@qq.com>
Date: Sat, 8 Jul 2023 08:30:23 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E6=96=B0=E5=A2=9E=20NULL=20=E5=B8=B8?=
 =?UTF-8?q?=E9=87=8F=E7=9A=84=E6=9E=84=E5=BB=BA=E3=80=82?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../main/java/com/mybatisflex/core/query/QueryMethods.java | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/query/QueryMethods.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/query/QueryMethods.java
index 7d4e3d97..17a2ca64 100644
--- a/mybatis-flex-core/src/main/java/com/mybatisflex/core/query/QueryMethods.java
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/query/QueryMethods.java
@@ -2387,6 +2387,13 @@ public class QueryMethods {
 
     // === 构建 column 列 ===
 
+    /**
+     * 构建 NULL 常量。
+     */
+    public static QueryColumn null_() {
+        return new StringQueryColumn("NULL");
+    }
+
     /**
      * 构建数字常量。
      */