From d66f45308c6d01816576a92f4aec8bcf33e5bd99 Mon Sep 17 00:00:00 2001
From: dapan1121 <wpan@taosdata.com>
Date: Tue, 23 May 2023 14:06:29 +0800
Subject: [PATCH] fix: fix last(tbname) out of memory issue

---
 source/libs/planner/src/planOptimizer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/libs/planner/src/planOptimizer.c b/source/libs/planner/src/planOptimizer.c
index 284cda64ad..5a7bf0ddc2 100644
--- a/source/libs/planner/src/planOptimizer.c
+++ b/source/libs/planner/src/planOptimizer.c
@@ -2198,7 +2198,7 @@ static bool lastRowScanOptMayBeOptimized(SLogicNode* pNode) {
       SNode* pPar = nodesListGetNode(pAggFunc->pParameterList, 0);
       if (QUERY_NODE_COLUMN == nodeType(pPar)) {
         SColumnNode* pCol = (SColumnNode*)pPar;
-        if (pCol->colType == COLUMN_TYPE_TAG) {
+        if (pCol->colType != COLUMN_TYPE_COLUMN) {
           return false;      
         }
       }