update 使用 in 优化 or 提升索引命中率

ruoyi-modules/ruoyi-system/src/main/java/com/ruoyi/system/dubbo/RemoteDataScopeServiceImpl.java

@@ -45,11 +45,14 @@ public class RemoteDataScopeServiceImpl implements RemoteDataScopeService {
 
     @Override
     public String getDeptAndChild(Long deptId) {
-        List<SysDept> list = deptMapper.selectList(new LambdaQueryWrapper<SysDept>()
+        List<SysDept> deptList = deptMapper.selectList(new LambdaQueryWrapper<SysDept>()
             .select(SysDept::getDeptId)
-            .eq(SysDept::getDeptId, deptId)
-            .or()
             .apply("find_in_set({0},ancestors) <> 0", deptId));
+        List<Long> ids = deptList.stream().map(SysDept::getDeptId).collect(Collectors.toList());
+        ids.add(deptId);
+        List<SysDept> list = deptMapper.selectList(new LambdaQueryWrapper<SysDept>()
+            .select(SysDept::getDeptId)
+            .in(SysDept::getDeptId, ids));
         if (CollUtil.isNotEmpty(list)) {
             return list.stream().map(d -> Convert.toStr(d.getDeptId())).collect(Collectors.joining(","));
         }

ruoyi-modules/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysUserServiceImpl.java

@@ -82,9 +82,9 @@ public class SysUserServiceImpl implements ISysUserService {
                 List<SysDept> deptList = deptMapper.selectList(new LambdaQueryWrapper<SysDept>()
                     .select(SysDept::getDeptId)
                     .apply("find_in_set({0},ancestors) <> 0", user.getDeptId()));
-                w.eq("u.dept_id", user.getDeptId())
+                List<Long> ids = deptList.stream().map(SysDept::getDeptId).collect(Collectors.toList());
-                    .or()
+                ids.add(user.getDeptId());
-                    .in("u.dept_id", deptList.stream().map(SysDept::getDeptId).collect(Collectors.toList()));
+                w.in("u.dept_id", ids);
             });
         return wrapper;
     }