fix recover error

source/libs/stream/src/streamBackendRocksdb.c

@@ -1491,9 +1491,13 @@ int32_t streamStateGetKVByCur_rocksdb(SStreamStateCur* pCur, SWinKey* pKey, cons
       return -1;
     }
 
-    size_t vlen = 0;
-    if (pVal != NULL) *pVal = (char*)rocksdb_iter_value(pCur->iter, &vlen);
-    if (pVLen != NULL) *pVLen = vlen;
+    if (pVLen != NULL) {
+      size_t vlen = 0;
+
+      const char* valStr = rocksdb_iter_value(pCur->iter, &vlen);
+      *pVLen = decodeValueFunc((void*)valStr, vlen, NULL, (char**)&pVal);
+    }
+
     *pKey = pKtmp->key;
     return 0;
   }
@@ -1600,18 +1604,14 @@ SStreamStateCur* streamStateGetCur_rocksdb(SStreamState* pState, const SWinKey*
   rocksdb_iter_seek(pCur->iter, buf, len);
 
   if (rocksdb_iter_valid(pCur->iter) && !iterValueIsStale(pCur->iter)) {
-    size_t vlen;
-    char*  val = (char*)rocksdb_iter_value(pCur->iter, &vlen);
-    if (!streamStateValueIsStale(val)) {
-      SStateKey curKey;
-      size_t    kLen = 0;
-      char*     keyStr = (char*)rocksdb_iter_key(pCur->iter, &kLen);
-      stateKeyDecode((void*)&curKey, keyStr);
-
-      if (stateKeyCmpr(&sKey, sizeof(sKey), &curKey, sizeof(curKey)) == 0) {
-        pCur->number = pState->number;
-        return pCur;
-      }
+    SStateKey curKey;
+    size_t    kLen = 0;
+    char*     keyStr = (char*)rocksdb_iter_key(pCur->iter, &kLen);
+    stateKeyDecode((void*)&curKey, keyStr);
+
+    if (stateKeyCmpr(&sKey, sizeof(sKey), &curKey, sizeof(curKey)) == 0) {
+      pCur->number = pState->number;
+      return pCur;
     }
   }
   streamStateFreeCur(pCur);
@@ -1900,8 +1900,7 @@ int32_t streamStateFillGetKVByCur_rocksdb(SStreamStateCur* pCur, SWinKey* pKey,
   winKeyDecode(&winKey, keyStr);
 
   const char* valStr = rocksdb_iter_value(pCur->iter, &vlen);
-  // char*       dst = NULL;
-  int32_t len = decodeValueFunc((void*)valStr, vlen, NULL, (char**)pVal);
+  int32_t     len = decodeValueFunc((void*)valStr, vlen, NULL, (char**)pVal);
   if (len < 0) {
     return -1;
   }