Merge pull request #14798 from taosdata/fix/tsdb-cache-fs-blockidx

fix: skip file set if null pBlockIdx

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

@@ -472,6 +472,7 @@ static int32_t getNextRowFromFS(void *iter, TSDBROW **ppRow) {
 
     case SFSNEXTROW_FILESET: {
       SDFileSet *pFileSet = NULL;
+    _next_fileset:
       if (--state->iFileSet >= 0) {
         pFileSet = (SDFileSet *)taosArrayGet(state->aDFileSet, state->iFileSet);
       } else {
@@ -508,6 +509,10 @@ static int32_t getNextRowFromFS(void *iter, TSDBROW **ppRow) {
       state->pBlockIdx = taosArraySearch(state->aBlockIdx, state->pBlockIdxExp, tCmprBlockIdx, TD_EQ);
       if (code) goto _err;
 
+      if (!state->pBlockIdx) {
+        goto _next_fileset;
+      }
+
       tMapDataReset(&state->blockMap);
       code = tsdbReadBlock(state->pDataFReader, state->pBlockIdx, &state->blockMap, NULL);
       /* code = tsdbReadBlock(state->pDataFReader, &state->blockIdx, &state->blockMap, NULL); */