diff --git a/src/query/inc/qResultbuf.h b/src/query/inc/qResultbuf.h
index 41fccd177dc7b384b199028a60b17ffafa061cfc..d76659cc919c89eeabb6dd8c091edd660555b285 100644
--- a/src/query/inc/qResultbuf.h
+++ b/src/query/inc/qResultbuf.h
@@ -87,12 +87,11 @@ SIDList getDataBufPagesIdList(SDiskbasedResultBuf* pResultBuf, int32_t groupId);
  * @param id
  * @return
  */
-//#define getResBufPage(buf, id)  ((tFilePage*)((buf)->pBuf + (buf)->pageSize * (id)))
 static FORCE_INLINE tFilePage* getResBufPage(SDiskbasedResultBuf* pResultBuf, int32_t id) {
   if (id < pResultBuf->inMemPages) {
-    return pResultBuf->iBuf + id * pResultBuf->pageSize;
+    return (tFilePage*) ((char*) pResultBuf->iBuf + id * pResultBuf->pageSize);
   } else {
-    return pResultBuf->pBuf + (id - pResultBuf->inMemPages) * pResultBuf->pageSize;
+    return (tFilePage*) ((char*) pResultBuf->pBuf + (id - pResultBuf->inMemPages) * pResultBuf->pageSize);
   }
 }
 /**
diff --git a/src/query/tests/resultBufferTest.cpp b/src/query/tests/resultBufferTest.cpp
index f822deeb7351db64a59c4b4e7b493cdd951f4efc..63ed89ab9fe1de2222c6f5ea8ae05b331437f76d 100644
--- a/src/query/tests/resultBufferTest.cpp
+++ b/src/query/tests/resultBufferTest.cpp
@@ -10,7 +10,7 @@ namespace {
 // simple test
 void simpleTest() {
   SDiskbasedResultBuf* pResultBuf = NULL;
-  int32_t ret = createDiskbasedResultBuffer(&pResultBuf, 1000, 64, NULL);
+  int32_t ret = createDiskbasedResultBuffer(&pResultBuf, 1000, 64, 1024, 4, NULL);
   
   int32_t pageId = 0;
   int32_t groupId = 0;
@@ -22,8 +22,7 @@ void simpleTest() {
   ASSERT_EQ(getResBufSize(pResultBuf), 1000*16384L);
   
   SIDList list = getDataBufPagesIdList(pResultBuf, groupId);
-  ASSERT_EQ(list.size, 1);
-  
+  ASSERT_EQ(taosArrayGetSize(list), 1);
   ASSERT_EQ(getNumOfResultBufGroupId(pResultBuf), 1);
   
   destroyResultBuf(pResultBuf, NULL);
diff --git a/src/tsdb/inc/tsdbMain.h b/src/tsdb/inc/tsdbMain.h
index 40f2dac660fe0d7995015bfeb8b8b9303bd80086..210d95853cf216e93dd09feb4f8e03e15b269471 100644
--- a/src/tsdb/inc/tsdbMain.h
+++ b/src/tsdb/inc/tsdbMain.h
@@ -426,6 +426,7 @@ int         tsdbUpdateFileHeader(SFile* pFile, uint32_t version);
 int         tsdbEncodeSFileInfo(void** buf, const STsdbFileInfo* pInfo);
 void*       tsdbDecodeSFileInfo(void* buf, STsdbFileInfo* pInfo);
 void        tsdbRemoveFileGroup(STsdbRepo* pRepo, SFileGroup* pFGroup);
+void        tsdbGetFidKeyRange(int daysPerFile, int8_t precision, int fileId, TSKEY *minKey, TSKEY *maxKey);
 
 // ------------------ tsdbRWHelper.c
 #define TSDB_HELPER_CLEAR_STATE 0x0        // Clear state
diff --git a/src/tsdb/src/tsdbMemTable.c b/src/tsdb/src/tsdbMemTable.c
index b29cec3cf9cb11a2059165599ee730f07347d155..1b7db635b337e2576ac61ac100dabad91be793df 100644
--- a/src/tsdb/src/tsdbMemTable.c
+++ b/src/tsdb/src/tsdbMemTable.c
@@ -31,7 +31,6 @@ static int         tsdbCommitMeta(STsdbRepo *pRepo);
 static void        tsdbEndCommit(STsdbRepo *pRepo);
 static int         tsdbHasDataToCommit(SCommitIter *iters, int nIters, TSKEY minKey, TSKEY maxKey);
 static int  tsdbCommitToFile(STsdbRepo *pRepo, int fid, SCommitIter *iters, SRWHelper *pHelper, SDataCols *pDataCols);
-static void tsdbGetFidKeyRange(int daysPerFile, int8_t precision, int fileId, TSKEY *minKey, TSKEY *maxKey);
 static SCommitIter *tsdbCreateCommitIters(STsdbRepo *pRepo);
 static void         tsdbDestroyCommitIters(SCommitIter *iters, int maxTables);
 
@@ -544,7 +543,7 @@ static int tsdbHasDataToCommit(SCommitIter *iters, int nIters, TSKEY minKey, TSK
   return 0;
 }
 
-static void tsdbGetFidKeyRange(int daysPerFile, int8_t precision, int fileId, TSKEY *minKey, TSKEY *maxKey) {
+void tsdbGetFidKeyRange(int daysPerFile, int8_t precision, int fileId, TSKEY *minKey, TSKEY *maxKey) {
   *minKey = fileId * daysPerFile * tsMsPerDay[precision];
   *maxKey = *minKey + daysPerFile * tsMsPerDay[precision] - 1;
 }
diff --git a/src/tsdb/src/tsdbRead.c b/src/tsdb/src/tsdbRead.c
index 5b1afe3da8f9afc58163a26d4a1d1939f0069998..37784577c498da13f15e2489c5c1aecc38106ad6 100644
--- a/src/tsdb/src/tsdbRead.c
+++ b/src/tsdb/src/tsdbRead.c
@@ -128,8 +128,7 @@ typedef struct STsdbQueryHandle {
 
 static void changeQueryHandleForLastrowQuery(TsdbQueryHandleT pqHandle);
 static void changeQueryHandleForInterpQuery(TsdbQueryHandleT pHandle);
-static void doMergeTwoLevelData(STsdbQueryHandle* pQueryHandle, STableCheckInfo* pCheckInfo, SCompBlock* pBlock,
-                                   SArray* sa);
+static void doMergeTwoLevelData(STsdbQueryHandle* pQueryHandle, STableCheckInfo* pCheckInfo, SCompBlock* pBlock);
 static int32_t binarySearchForKey(char* pValue, int num, TSKEY key, int order);
 static int tsdbReadRowsFromCache(STableCheckInfo* pCheckInfo, TSKEY maxKey, int maxRowsToRead, STimeWindow* win,
                                  STsdbQueryHandle* pQueryHandle);
@@ -695,7 +694,7 @@ static void handleDataMergeIfNeeded(STsdbQueryHandle* pQueryHandle, SCompBlock*
     }
   
     doLoadFileDataBlock(pQueryHandle, pBlock, pCheckInfo);
-    doMergeTwoLevelData(pQueryHandle, pCheckInfo, pBlock, pQueryHandle->defaultLoadColumn);
+    doMergeTwoLevelData(pQueryHandle, pCheckInfo, pBlock);
   } else {
     /*
      * no data in cache, only load data from file
@@ -711,6 +710,7 @@ static void handleDataMergeIfNeeded(STsdbQueryHandle* pQueryHandle, SCompBlock*
     cur->mixBlock = false;
     cur->blockCompleted = true;
     cur->lastKey = binfo.window.ekey + (ASCENDING_TRAVERSE(pQueryHandle->order)? 1:-1);
+    pCheckInfo->lastKey = cur->lastKey;
   }
 }
 
@@ -734,7 +734,7 @@ static bool loadFileDataBlock(STsdbQueryHandle* pQueryHandle, SCompBlock* pBlock
         cur->pos = 0;
       }
       
-      doMergeTwoLevelData(pQueryHandle, pCheckInfo, pBlock, pQueryHandle->defaultLoadColumn);
+      doMergeTwoLevelData(pQueryHandle, pCheckInfo, pBlock);
     } else {  // the whole block is loaded in to buffer
       handleDataMergeIfNeeded(pQueryHandle, pBlock, pCheckInfo);
     }
@@ -751,7 +751,7 @@ static bool loadFileDataBlock(STsdbQueryHandle* pQueryHandle, SCompBlock* pBlock
         cur->pos = pBlock->numOfRows - 1;
       }
       
-      doMergeTwoLevelData(pQueryHandle, pCheckInfo, pBlock, pQueryHandle->defaultLoadColumn);
+      doMergeTwoLevelData(pQueryHandle, pCheckInfo, pBlock);
     } else {
       handleDataMergeIfNeeded(pQueryHandle, pBlock, pCheckInfo);
     }
@@ -907,12 +907,12 @@ static int32_t copyDataFromFileBlock(STsdbQueryHandle* pQueryHandle, int32_t cap
   
   pQueryHandle->cur.win.ekey = tsArray[end];
   pQueryHandle->cur.lastKey = tsArray[end] + step;
-  
+
   return numOfRows + num;
 }
 
 static void copyOneRowFromMem(STsdbQueryHandle* pQueryHandle, int32_t capacity, int32_t numOfRows, SDataRow row,
-                              STsdbMeta *pMeta, int32_t numOfCols, STable* pTable) {
+                              int32_t numOfCols, STable* pTable) {
   char* pData = NULL;
 
   // the schema version info is embeded in SDataRow
@@ -973,8 +973,7 @@ static void copyOneRowFromMem(STsdbQueryHandle* pQueryHandle, int32_t capacity,
 
 // only return the qualified data to client in terms of query time window, data rows in the same block but do not
 // be included in the query time window will be discarded
-static void doMergeTwoLevelData(STsdbQueryHandle* pQueryHandle, STableCheckInfo* pCheckInfo, SCompBlock* pBlock,
-                                  SArray* sa) {
+static void doMergeTwoLevelData(STsdbQueryHandle* pQueryHandle, STableCheckInfo* pCheckInfo, SCompBlock* pBlock) {
   SQueryFilePos* cur = &pQueryHandle->cur;
   SDataBlockInfo blockInfo = GET_FILE_DATA_BLOCK_INFO(pCheckInfo, pBlock);
   
@@ -987,7 +986,6 @@ static void doMergeTwoLevelData(STsdbQueryHandle* pQueryHandle, STableCheckInfo*
   int32_t step = ASCENDING_TRAVERSE(pQueryHandle->order)? 1:-1;
   int32_t numOfCols = taosArrayGetSize(pQueryHandle->pColumns);
 
-  STsdbMeta* pMeta = tsdbGetMeta(pQueryHandle->pTsdb);
   STable* pTable = pCheckInfo->pTableObj;
 
   int32_t endPos = cur->pos;
@@ -1066,7 +1064,7 @@ static void doMergeTwoLevelData(STsdbQueryHandle* pQueryHandle, STableCheckInfo*
 
       if ((key < tsArray[pos] && ASCENDING_TRAVERSE(pQueryHandle->order)) ||
           (key > tsArray[pos] && !ASCENDING_TRAVERSE(pQueryHandle->order))) {
-        copyOneRowFromMem(pQueryHandle, pQueryHandle->outputCapacity, numOfRows, row, pMeta, numOfCols, pTable);
+        copyOneRowFromMem(pQueryHandle, pQueryHandle->outputCapacity, numOfRows, row, numOfCols, pTable);
         numOfRows += 1;
         if (cur->win.skey == TSKEY_INITIAL_VAL) {
           cur->win.skey = key;
@@ -1406,8 +1404,21 @@ static int32_t getDataBlocksInFilesImpl(STsdbQueryHandle* pQueryHandle, bool* ex
 
   int32_t numOfBlocks = 0;
   int32_t numOfTables = taosArrayGetSize(pQueryHandle->pTableCheckInfo);
-  
+
+  STsdbCfg* pCfg = &pQueryHandle->pTsdb->config;
+  STimeWindow win = TSWINDOW_INITIALIZER;
+
   while ((pQueryHandle->pFileGroup = tsdbGetFileGroupNext(&pQueryHandle->fileIter)) != NULL) {
+    tsdbGetFidKeyRange(pCfg->daysPerFile, pCfg->precision, pQueryHandle->pFileGroup->fileId, &win.skey, &win.ekey);
+
+    // current file are not overlapped with query time window, ignore remain files
+    if ((ASCENDING_TRAVERSE(pQueryHandle->order) && win.skey > pQueryHandle->window.ekey) ||
+    (!ASCENDING_TRAVERSE(pQueryHandle->order) && win.ekey < pQueryHandle->window.ekey)) {
+      tsdbDebug("%p remain files are not qualified for qrange:%"PRId64"-%"PRId64", ignore, %p", pQueryHandle, pQueryHandle->window.skey, pQueryHandle->window.ekey, pQueryHandle->qinfo)
+      pQueryHandle->pFileGroup = NULL;
+      break;
+    }
+
     if ((code = getFileCompInfo(pQueryHandle, &numOfBlocks)) != TSDB_CODE_SUCCESS) {
       break;
     }
@@ -1765,7 +1776,6 @@ static int tsdbReadRowsFromCache(STableCheckInfo* pCheckInfo, TSKEY maxKey, int
   win->skey = TSKEY_INITIAL_VAL;
 
   int64_t st = taosGetTimestampUs();
-  STsdbMeta* pMeta = tsdbGetMeta(pQueryHandle->pTsdb);
   STable* pTable = pCheckInfo->pTableObj;
 
   do {
@@ -1787,7 +1797,7 @@ static int tsdbReadRowsFromCache(STableCheckInfo* pCheckInfo, TSKEY maxKey, int
     }
 
     win->ekey = key;
-    copyOneRowFromMem(pQueryHandle, maxRowsToRead, numOfRows, row, pMeta, numOfCols, pTable);
+    copyOneRowFromMem(pQueryHandle, maxRowsToRead, numOfRows, row, numOfCols, pTable);
 
     if (++numOfRows >= maxRowsToRead) {
       moveToNextRowInMem(pCheckInfo);
diff --git a/src/util/inc/tutil.h b/src/util/inc/tutil.h
index f7c69e3973ad6fdefd4ef33f4a813221eedebe6d..34f35c380745172f5fc6a6d4aaf094cdf82c68ac 100644
--- a/src/util/inc/tutil.h
+++ b/src/util/inc/tutil.h
@@ -35,12 +35,12 @@ extern "C" {
 #define WCHAR wchar_t
 
 #define tfree(x)         \
-  {                      \
+  do {                   \
     if (x) {             \
       free((void *)(x)); \
       x = 0;             \
     }                    \
-  }
+  } while(0);
 
 #define tstrncpy(dst, src, size)   \
   do {                             \