diff --git a/src/tsdb/src/tsdbRead.c b/src/tsdb/src/tsdbRead.c
index 952ca1ca9043e4cc2999fd12d24f8df179e07032..4f47d9d7b2de463ed458f11e952585ebbb39df53 100644
--- a/src/tsdb/src/tsdbRead.c
+++ b/src/tsdb/src/tsdbRead.c
@@ -183,7 +183,6 @@ static void    changeQueryHandleForInterpQuery(TsdbQueryHandleT pHandle);
 static void    doMergeTwoLevelData(STsdbQueryHandle* pQueryHandle, STableCheckInfo* pCheckInfo, SBlock* pBlock);
 static int32_t binarySearchForKey(char* pValue, int num, TSKEY key, int order);
 static int32_t tsdbReadRowsFromCache(STableCheckInfo* pCheckInfo, TSKEY maxKey, int maxRowsToRead, STimeWindow* win, STsdbQueryHandle* pQueryHandle);
-static int32_t tsdbCheckInfoCompar(const void* key1, const void* key2);
 static int32_t doGetExternalRow(STsdbQueryHandle* pQueryHandle, int16_t type, SMemRef* pMemRef);
 static void*   doFreeColumnInfoData(SArray* pColumnInfoData);
 static void*   destroyTableCheckInfo(SArray* pTableCheckInfo);
@@ -333,8 +332,6 @@ static SArray* createCheckInfoFromTableGroup(STsdbQueryHandle* pQueryHandle, STa
     }
   }
 
-  taosArraySort(pTableCheckInfo, tsdbCheckInfoCompar);
-
   size_t gsize = taosArrayGetSize(pTableCheckInfo);
 
   for (int32_t i = 0; i < gsize; ++i) {
@@ -3913,17 +3910,6 @@ static int32_t tableGroupComparFn(const void *p1, const void *p2, const void *pa
   return 0;
 }
 
-static int tsdbCheckInfoCompar(const void* key1, const void* key2) {
-  if (((STableCheckInfo*)key1)->tableId.tid < ((STableCheckInfo*)key2)->tableId.tid) {
-    return -1;
-  } else if (((STableCheckInfo*)key1)->tableId.tid > ((STableCheckInfo*)key2)->tableId.tid) {
-    return 1;
-  } else {
-    ASSERT(false);
-    return 0;
-  }
-}
-
 void createTableGroupImpl(SArray* pGroups, SArray* pTableList, size_t numOfTables, TSKEY skey,
                           STableGroupSupporter* pSupp, __ext_compar_fn_t compareFn) {
   STable* pTable = taosArrayGetP(pTableList, 0);
@@ -4662,4 +4648,4 @@ void tsdbAddScanCallback(TsdbQueryHandleT* queryHandle, readover_callback callba
   pQueryHandle->readover_cb = callback;
   pQueryHandle->param       = param;
   return ;
-}
\ No newline at end of file
+}
diff --git a/src/tsdb/src/tsdbReadImpl.c b/src/tsdb/src/tsdbReadImpl.c
index f2678c627fa61aff227ae61749d2ed76ef5e2db8..57b91e5f3d867c79b3739bfe2f88e73239dd2eb6 100644
--- a/src/tsdb/src/tsdbReadImpl.c
+++ b/src/tsdb/src/tsdbReadImpl.c
@@ -172,28 +172,28 @@ int tsdbSetReadTable(SReadH *pReadh, STable *pTable) {
 
   size_t size = taosArrayGetSize(pReadh->aBlkIdx);
   if (size > 0) {
-    while (true) {
-      if (pReadh->cidx >= size) {
-        pReadh->pBlkIdx = NULL;
-        break;
-      }
-
-      SBlockIdx *pBlkIdx = taosArrayGet(pReadh->aBlkIdx, pReadh->cidx);
+    int64_t left = 0, right = size - 1;
+    while (left <= right) {
+      int64_t mid = (left + right) / 2;
+      SBlockIdx *pBlkIdx = taosArrayGet(pReadh->aBlkIdx, (size_t)mid);
       if (pBlkIdx->tid == TABLE_TID(pTable)) {
         if (pBlkIdx->uid == TABLE_UID(pTable)) {
           pReadh->pBlkIdx = pBlkIdx;
         } else {
           pReadh->pBlkIdx = NULL;
         }
-        pReadh->cidx++;
-        break;
-      } else if (pBlkIdx->tid > TABLE_TID(pTable)) {
-        pReadh->pBlkIdx = NULL;
+
         break;
+      } else if (pBlkIdx->tid < TABLE_TID(pTable)) {
+        left = mid + 1;
       } else {
-        pReadh->cidx++;
+        right = mid - 1;
       }
     }
+
+    if (left > right) {
+      pReadh->pBlkIdx = NULL;
+    }
   } else {
     pReadh->pBlkIdx = NULL;
   }