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fix: 快照版本号取全表最大+1，修复发布后版本回退到1导致的唯一键冲突

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bug: selectLatestDraft 只查 status='draft'，发布后 draft→published 查不到，下一版又从 1 开始
fix: selectMaxVersion 查全表 MAX(version)，保证单调递增
This commit is contained in:
mediabot-pt
2026-07-07 23:47:53 +08:00
parent f65b8d0e2e
commit b19821bf83
2 changed files with 6 additions and 2 deletions
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4
par-core/src/main/java/com/par/core/mapper/SiteSnapshotMapper.java
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@@ -27,4 +27,8 @@ public interface SiteSnapshotMapper extends BaseMapper<SiteSnapshot> {
/** 删除站点指定状态的快照 */ /** 删除站点指定状态的快照 */
@org.apache.ibatis.annotations.Delete("DELETE FROM site_snapshots WHERE site_id = #{siteId} AND status = #{status}") @org.apache.ibatis.annotations.Delete("DELETE FROM site_snapshots WHERE site_id = #{siteId} AND status = #{status}")
int deleteBySiteIdAndStatus(@Param("siteId") String siteId, @Param("status") String status); int deleteBySiteIdAndStatus(@Param("siteId") String siteId, @Param("status") String status);
/** 取站点快照的最大版本号 */
@Select("SELECT COALESCE(MAX(version), 0) FROM site_snapshots WHERE site_id = #{siteId}")
int selectMaxVersion(@Param("siteId") String siteId);
} }

4
par-core/src/main/java/com/par/core/service/impl/SiteSnapshotServiceImpl.java
View File

@@ -136,7 +136,7 @@ public class SiteSnapshotServiceImpl implements SiteSnapshotService {
return null; return null;
} }
int newVersion = (latestDraft != null) ? latestDraft.getVersion() + 1 : 1; int newVersion = snapshotMapper.selectMaxVersion(siteId) + 1;
SiteSnapshot snapshot = new SiteSnapshot(); SiteSnapshot snapshot = new SiteSnapshot();
snapshot.setSiteId(siteId); snapshot.setSiteId(siteId);
@@ -179,7 +179,7 @@ public class SiteSnapshotServiceImpl implements SiteSnapshotService {
return latestDraft; return latestDraft;
} }
int newVersion = (latestDraft != null) ? latestDraft.getVersion() + 1 : 1; int newVersion = snapshotMapper.selectMaxVersion(siteId) + 1;
SiteSnapshot snapshot = new SiteSnapshot(); SiteSnapshot snapshot = new SiteSnapshot();
snapshot.setSiteId(siteId); snapshot.setSiteId(siteId);