From b49c481b01576fd628ed47142c58ae7535471d92 Mon Sep 17 00:00:00 2001
From: 云 <2163098428@qq.com>
Date: 星期一, 26 十月 2026 17:33:55 +0800
Subject: [PATCH] Merge branch 'dev_business' into dev_南通_苏珩

---
 yudao-module-mdm/src/main/java/cn/iocoder/yudao/module/mdm/dal/mysql/item/MdmItemMapper.java |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)

diff --git a/yudao-module-mdm/src/main/java/cn/iocoder/yudao/module/mdm/dal/mysql/item/MdmItemMapper.java b/yudao-module-mdm/src/main/java/cn/iocoder/yudao/module/mdm/dal/mysql/item/MdmItemMapper.java
index eec20ce..dcebb8a 100644
--- a/yudao-module-mdm/src/main/java/cn/iocoder/yudao/module/mdm/dal/mysql/item/MdmItemMapper.java
+++ b/yudao-module-mdm/src/main/java/cn/iocoder/yudao/module/mdm/dal/mysql/item/MdmItemMapper.java
@@ -20,6 +20,9 @@
 @Mapper
 public interface MdmItemMapper extends BaseMapperX<MdmItemDO> {
 
+    @org.apache.ibatis.annotations.Select("SELECT COALESCE(MAX(CAST(SUBSTRING(code, 5) AS UNSIGNED)), 0) FROM mdm_item WHERE deleted = 0 AND code LIKE CONCAT(#{prefix}, '%')")
+    Integer selectMaxSequenceByPrefix(@Param("prefix") String prefix);
+
     default PageResult<MdmItemDO> selectPage(MdmItemPageReqVO reqVO, Collection<Long> categoryIds) {
         return selectPage(reqVO, new LambdaQueryWrapperX<MdmItemDO>()
                 .likeIfPresent(MdmItemDO::getCode, reqVO.getCode())
@@ -46,6 +49,10 @@
 
     default MdmItemDO selectByCode(String code) {
         return selectOne(MdmItemDO::getCode, code);
+    }
+
+    default List<MdmItemDO> selectListByCode(String code) {
+        return selectList(MdmItemDO::getCode, code);
     }
 
     /**
@@ -92,4 +99,4 @@
      */
     List<Map<String, Object>> selectItemReferenceCount(@Param("itemId") Long itemId);
 
-}
\ No newline at end of file
+}

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