From d1b57a75b91fe364ae5e8e23174b626d4742ff9e Mon Sep 17 00:00:00 2001
From: Chen Lixiang <lixiang3608@outlook.com>
Date: Tue, 7 Jan 2020 16:16:43 +0800
Subject: [PATCH] update

---
 expression/builtin_json_vec.go | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/expression/builtin_json_vec.go b/expression/builtin_json_vec.go
index c3cd062a9744b..61fe7ad57cab3 100644
--- a/expression/builtin_json_vec.go
+++ b/expression/builtin_json_vec.go
@@ -892,8 +892,7 @@ func (b *builtinJSONContainsPathSig) vecEvalInt(input *chunk.Chunk, result *chun
 	result.MergeNulls(jsonBuf, typeBuf)
 	i64s := result.Int64s()
 	for i := 0; i < n; i++ {
-		if jsonBuf.IsNull(i) || typeBuf.IsNull(i) {
-			result.SetNull(i, true)
+		if result.IsNull(i) {
 			continue
 		}
 		containType := strings.ToLower(typeBuf.GetString(i))