fix bug

src/client/src/tscServer.c

@@ -640,7 +640,7 @@ static int32_t tscEstimateQueryMsgSize(SSqlObj *pSql) {
   SQueryInfo *pQueryInfo = tscGetQueryInfo(pCmd);
 
   int32_t srcColListSize = (int32_t)(taosArrayGetSize(pQueryInfo->colList) * sizeof(SColumnInfo));
-  int32_t srcColFilterSize = tscGetColFilterSerializeLen(pQueryInfo);
+  int32_t srcColFilterSize = 0;
   size_t  numOfExprs = tscNumOfExprs(pQueryInfo);
   int32_t exprSize = (int32_t)(sizeof(SSqlExpr) * numOfExprs * 2);
 
@@ -649,6 +649,7 @@ static int32_t tscEstimateQueryMsgSize(SSqlObj *pSql) {
 
   int32_t tableSerialize = 0;
   STableMetaInfo *pTableMetaInfo = tscGetMetaInfo(pQueryInfo, 0);
+  STableMeta * pTableMeta = pTableMetaInfo->pTableMeta;  
   if (pTableMetaInfo->pVgroupTables != NULL) {
     size_t numOfGroups = taosArrayGetSize(pTableMetaInfo->pVgroupTables);
 
@@ -661,6 +662,13 @@ static int32_t tscEstimateQueryMsgSize(SSqlObj *pSql) {
     tableSerialize = totalTables * sizeof(STableIdInfo);
   }
 
+  if (pQueryInfo->colCond && taosArrayGetSize(pQueryInfo->colCond) > 0) {
+    STblCond *pCond = tsGetTableFilter(pQueryInfo->colCond, pTableMeta->id.uid, 0);
+    if (pCond != NULL && pCond->cond != NULL) {
+      srcColFilterSize = pCond->len;
+    }
+  }
+
   return MIN_QUERY_MSG_PKT_SIZE + minMsgSize() + sizeof(SQueryTableMsg) + srcColListSize + srcColFilterSize + exprSize + tsBufSize +
          tableSerialize + sqlLen + 4096 + pQueryInfo->bufLen;
 }