From f15fd044ceaa21d4d02db3ec591bd222f8e102c8 Mon Sep 17 00:00:00 2001
From: Jerry Yan <792602257@qq.com>
Date: Thu, 5 Feb 2026 02:07:31 +0800
Subject: [PATCH] =?UTF-8?q?fix(data-management):=20=E4=BF=AE=E5=A4=8DSQL?=
 =?UTF-8?q?=E6=98=A0=E5=B0=84=E4=B8=AD=E7=9A=84=E6=AF=94=E8=BE=83=E8=BF=90?=
 =?UTF-8?q?=E7=AE=97=E7=AC=A6=E8=BD=AC=E4=B9=89=E9=97=AE=E9=A2=98?=
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- 将XML文件中的 <> 运算符替换为 &lt;&gt; 实体编码
- 确保SQL查询在XML解析器中正确处理比较操作
- 修复了数据集文件状态过滤的查询逻辑
- 保持了原有的业务逻辑不变，仅修正语法问题
---
 .../src/main/resources/mappers/DatasetFileMapper.xml   | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/backend/services/data-management-service/src/main/resources/mappers/DatasetFileMapper.xml b/backend/services/data-management-service/src/main/resources/mappers/DatasetFileMapper.xml
index 407f8ff..0b773a2 100644
--- a/backend/services/data-management-service/src/main/resources/mappers/DatasetFileMapper.xml
+++ b/backend/services/data-management-service/src/main/resources/mappers/DatasetFileMapper.xml
@@ -42,14 +42,14 @@
         SELECT COUNT(*)
         FROM t_dm_dataset_files
         WHERE dataset_id = #{datasetId}
-          AND (status IS NULL OR status <> 'ARCHIVED')
+          AND (status IS NULL OR status &lt;&gt; 'ARCHIVED')
     </select>
 
     <select id="countNonDerivedByDatasetId" parameterType="string" resultType="long">
         SELECT COUNT(*)
         FROM t_dm_dataset_files
         WHERE dataset_id = #{datasetId}
-          AND (status IS NULL OR status <> 'ARCHIVED')
+          AND (status IS NULL OR status &lt;&gt; 'ARCHIVED')
           AND (metadata IS NULL OR JSON_EXTRACT(metadata, '$.derived_from_file_id') IS NULL)
     </select>
 
@@ -61,7 +61,7 @@
         SELECT COALESCE(SUM(file_size), 0)
         FROM t_dm_dataset_files
         WHERE dataset_id = #{datasetId}
-          AND (status IS NULL OR status <> 'ARCHIVED')
+          AND (status IS NULL OR status &lt;&gt; 'ARCHIVED')
     </select>
 
   <select id="findByDatasetIdAndFileName" resultType="com.datamate.datamanagement.domain.model.dataset.DatasetFile">
@@ -69,7 +69,7 @@
         FROM t_dm_dataset_files
         WHERE dataset_id = #{datasetId}
           AND file_name = #{fileName}
-          AND (status IS NULL OR status <> 'ARCHIVED')
+          AND (status IS NULL OR status &lt;&gt; 'ARCHIVED')
         ORDER BY version DESC, upload_time DESC
         LIMIT 1
     </select>
@@ -138,7 +138,7 @@
         <foreach collection="datasetIds" item="datasetId" open="(" separator="," close=")">
             #{datasetId}
         </foreach>
-          AND (status IS NULL OR status <> 'ARCHIVED')
+          AND (status IS NULL OR status &lt;&gt; 'ARCHIVED')
           AND (metadata IS NULL OR JSON_EXTRACT(metadata, '$.derived_from_file_id') IS NULL)
         GROUP BY dataset_id
     </select>