From 448dbb0bd0494b85708ee82a061767019115629b Mon Sep 17 00:00:00 2001
From: yihaoDeng <luomoxyz@126.com>
Date: Sat, 8 Aug 2020 20:08:02 +0000
Subject: [PATCH] [TD-1041] bugfix

---
 src/client/src/tscSQLParser.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/client/src/tscSQLParser.c b/src/client/src/tscSQLParser.c
index bcf43a1a8b..817fe3d3f7 100644
--- a/src/client/src/tscSQLParser.c
+++ b/src/client/src/tscSQLParser.c
@@ -1902,6 +1902,8 @@ int32_t addExprAndResultField(SSqlCmd* pCmd, SQueryInfo* pQueryInfo, int32_t col
         if (changeFunctionID(optr, &functionId) != TSDB_CODE_SUCCESS) {
           return TSDB_CODE_TSC_INVALID_SQL;
         }
+        tscInsertPrimaryTSSourceColumn(pQueryInfo, &index);
+        colIndex += 1;  // the first column is ts
 
         pExpr = tscSqlExprAppend(pQueryInfo, functionId, &index, resultType, resultSize, resultSize, false);
         addExprParams(pExpr, val, TSDB_DATA_TYPE_DOUBLE, sizeof(double), 0);
-- 
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