diff --git a/src/client/src/tscUtil.c b/src/client/src/tscUtil.c
index da89e6530d166dc24451093a5dc1f97b7895c142..d3732a2b9ff8c3303e81328f8078bcac7cefd26f 100644
--- a/src/client/src/tscUtil.c
+++ b/src/client/src/tscUtil.c
@@ -750,10 +750,10 @@ int32_t tscMergeTableDataBlocks(SSqlObj* pSql, SArray* pTableDataBlockList) {
     dataBuf->size += (finalLen + sizeof(SSubmitBlk));
     assert(dataBuf->size <= dataBuf->nAllocSize);
 
-    char* p = realloc(dataBuf->pData, dataBuf->size);
-    if (p != NULL) {
-      dataBuf->pData = p; 
-    }
+    //char* p = realloc(dataBuf->pData, dataBuf->size);
+    //if (p != NULL) {
+    //  dataBuf->pData = p; 
+    //}
     // the length does not include the SSubmitBlk structure
     pBlocks->dataLen = htonl(finalLen);