diff --git a/source/dnode/vnode/src/tsdb/tsdbCache.c b/source/dnode/vnode/src/tsdb/tsdbCache.c
index 3a3e20612e..46e5f31530 100644
--- a/source/dnode/vnode/src/tsdb/tsdbCache.c
+++ b/source/dnode/vnode/src/tsdb/tsdbCache.c
@@ -2685,12 +2685,14 @@ static int32_t getNextRowFromMem(void *iter, TSDBROW **ppRow, bool *pIgnoreEarli
   switch (state->state) {
     case SMEMNEXTROW_ENTER: {
       if (state->pMem != NULL) {
+        /*
         if (state->pMem->maxKey <= state->lastTs) {
           *ppRow = NULL;
           *pIgnoreEarlierTs = true;
 
           TAOS_RETURN(code);
         }
+        */
         tsdbTbDataIterOpen(state->pMem, NULL, 1, &state->iter);
 
         TSDBROW *pMemRow = tsdbTbDataIterGet(&state->iter);