From 97ee48779cbdf110da9fda897371af52e4ec9a4c Mon Sep 17 00:00:00 2001
From: Haojun Liao <hjliao@taosdata.com>
Date: Sun, 25 Apr 2021 22:18:56 +0800
Subject: [PATCH] [td-225]fix compiler error.

---
 src/client/src/tscServer.c |  2 +-
 src/query/src/qPlan.c      | 11 +++++++++--
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/src/client/src/tscServer.c b/src/client/src/tscServer.c
index d84f93a73b..7aba1d4c0c 100644
--- a/src/client/src/tscServer.c
+++ b/src/client/src/tscServer.c
@@ -1013,7 +1013,7 @@ int tscBuildQueryMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
     pQueryMsg->tsBuf.tsNumOfBlocks = htonl(pQueryMsg->tsBuf.tsNumOfBlocks);
   }
 
-  int32_t numOfOperator = taosArrayGetSize(queryOperator);
+  int32_t numOfOperator = (int32_t) taosArrayGetSize(queryOperator);
   pQueryMsg->numOfOperator = htonl(numOfOperator);
   for(int32_t i = 0; i < numOfOperator; ++i) {
     int32_t *operator = taosArrayGet(queryOperator, i);
diff --git a/src/query/src/qPlan.c b/src/query/src/qPlan.c
index 1efaca7277..82ce32847b 100644
--- a/src/query/src/qPlan.c
+++ b/src/query/src/qPlan.c
@@ -16,11 +16,18 @@
 #define QNODE_TIMEWINDOW 11
 
 typedef struct SQueryNode {
-  int32_t type;
+  int32_t    type;         // the type of logic node
+  char      *name;         // the name of logic node
+
+  SSchema   *pSchema;      // the schema of the input SSDatablock
+  int32_t    numOfCols;    // number of input columns
+  SExprInfo *pExpr;        // the query functions or sql aggregations
+  int32_t    numOfOutput;  // number of result columns, which is also the number of pExprs
+
   // previous operator to generated result for current node to process
   // in case of join, multiple prev nodes exist.
   struct SQueryNode* prevNode;
-
+  struct SQueryNode* nextNode;
 } SQueryNode;
 
 // TODO create the query plan