fix coredump

source/dnode/vnode/src/tsdb/tsdbSnapshot.c

@@ -195,7 +195,7 @@ static int32_t tsdbSnapReadFileSetOpenIter(STsdbSnapReader* reader) {
   code = tsdbIterMergerOpen(reader->dataIterArr, &reader->dataIterMerger, false);
   TSDB_CHECK_CODE(code, lino, _exit);
 
-  code = tsdbIterMergerOpen(reader->tombIterArr, &reader->dataIterMerger, true);
+  code = tsdbIterMergerOpen(reader->tombIterArr, &reader->tombIterMerger, true);
   TSDB_CHECK_CODE(code, lino, _exit);
 
 _exit:

source/dnode/vnode/src/vnd/vnodeSvr.c

@@ -677,7 +677,6 @@ void vnodeUpdateMetaRsp(SVnode *pVnode, STableMetaRsp *pMetaRsp) {
   pMetaRsp->precision = pVnode->config.tsdbCfg.precision;
 }
 
-extern int32_t vnodeAsyncRetention(SVnode *pVnode, int64_t now);
 extern int32_t vnodeSyncRetention(SVnode *pVnode, int64_t now);
 
 static int32_t vnodeProcessTrimReq(SVnode *pVnode, int64_t ver, void *pReq, int32_t len, SRpcMsg *pRsp) {
@@ -717,7 +716,7 @@ static int32_t vnodeProcessDropTtlTbReq(SVnode *pVnode, int64_t ver, void *pReq,
     tqUpdateTbUidList(pVnode->pTq, tbUids, false);
   }
 
-  vnodeAsyncRetention(pVnode, ttlReq.timestampSec);
+  vnodeSyncRetention(pVnode, ttlReq.timestampSec);
 
 end:
   taosArrayDestroy(tbUids);