Merge pull request #18799 from taosdata/fix/TD-19250-6

fix: dismiss coverity issues

source/dnode/vnode/src/meta/metaTable.c

@@ -1353,6 +1353,10 @@ static int metaUpdateTagIdx(SMeta *pMeta, const SMetaEntry *pCtbEntry) {
     goto end;
   }
 
+  if (stbEntry.stbEntry.schemaTag.pSchema == NULL) {
+    goto end;
+  }
+
   pTagColumn = &stbEntry.stbEntry.schemaTag.pSchema[0];
 
   STagVal tagVal = {.cid = pTagColumn->colId};

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

@@ -952,7 +952,10 @@ static int32_t nextRowIterOpen(CacheNextRowIter *pIter, tb_uid_t uid, STsdb *pTs
     SArray *pDelIdxArray = taosArrayInit(32, sizeof(SDelIdx));
 
     code = tsdbReadDelIdx(pDelFReader, pDelIdxArray);
-    if (code) goto _err;
+    if (code) {
+      tsdbDelFReaderClose(&pDelFReader);
+      goto _err;
+    }
 
     SDelIdx *delIdx = taosArraySearch(pDelIdxArray, &(SDelIdx){.suid = suid, .uid = uid}, tCmprDelIdx, TD_EQ);