if statement for overflow

source/dnode/mnode/impl/src/mndStb.c

@@ -797,7 +797,7 @@ int32_t mndBuildStbFromReq(SMnode *pMnode, SStbObj *pDst, SMCreateStbReq *pCreat
     return -1;
   }
 
-  if(pDst->nextColId > 0 && pDst->nextColId < 0x7fff - pDst->numOfColumns - pDst->numOfTags){
+  if(pDst->nextColId < 0 || pDst->nextColId >= 0x7fff - pDst->numOfColumns - pDst->numOfTags){
     terrno = TSDB_CODE_MND_BIG_FIELD_VALUE;
     return -1;
   }
@@ -932,7 +932,7 @@ static int32_t mndBuildStbFromAlter(SStbObj *pStb, SStbObj *pDst, SMCreateStbReq
     return -1;
   }
 
-  if(pDst->nextColId > 0 && pDst->nextColId < 0x7fff - pDst->numOfColumns - pDst->numOfTags){
+  if(pDst->nextColId < 0 && pDst->nextColId >= 0x7fff - pDst->numOfColumns - pDst->numOfTags){
     terrno = TSDB_CODE_MND_BIG_FIELD_VALUE;
     return -1;
   }
@@ -1164,7 +1164,7 @@ static int32_t mndAddSuperTableTag(const SStbObj *pOld, SStbObj *pNew, SArray *p
     return -1;
   }
 
-  if(pNew->nextColId > 0 && pNew->nextColId < 0x7fff - ntags){
+  if(pNew->nextColId < 0 && pNew->nextColId >= 0x7fff - ntags){
     terrno = TSDB_CODE_MND_BIG_FIELD_VALUE;
     return -1;
   }
@@ -1476,7 +1476,7 @@ static int32_t mndAddSuperTableColumn(const SStbObj *pOld, SStbObj *pNew, SArray
     return -1;
   }
 
-  if(pNew->nextColId > 0 && pNew->nextColId < 0x7fff - ncols){
+  if(pNew->nextColId < 0 && pNew->nextColId >= 0x7fff - ncols){
     terrno = TSDB_CODE_MND_BIG_FIELD_VALUE;
     return -1;
   }