From 74e936c6e8ed0360d3a6f516ebe976e5bfab1125 Mon Sep 17 00:00:00 2001
From: Zhenchi <zhongzc_arch@outlook.com>
Date: Wed, 1 Feb 2023 20:23:56 +0800
Subject: [PATCH] planner: fix dropping non-ScalarFunction when extractCol for
 memtable (#40935)

close pingcap/tidb#40937
---
 planner/core/memtable_predicate_extractor.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/planner/core/memtable_predicate_extractor.go b/planner/core/memtable_predicate_extractor.go
index b4fa83d335a36..07ad325f92163 100644
--- a/planner/core/memtable_predicate_extractor.go
+++ b/planner/core/memtable_predicate_extractor.go
@@ -210,6 +210,7 @@ func (helper extractHelper) extractCol(
 	for _, expr := range predicates {
 		fn, ok := expr.(*expression.ScalarFunction)
 		if !ok {
+			remained = append(remained, expr)
 			continue
 		}
 		var colName string