From 5b16086d98d05e89cd888665c981b29fac38de61 Mon Sep 17 00:00:00 2001
From: winkyao <golangwink@gmail.com>
Date: Mon, 28 Nov 2022 19:03:59 -0800
Subject: [PATCH] session: remove useless parser object in SessionHandle of
 bindinfo package (#39439)

---
 bindinfo/session_handle.go | 7 +++----
 session/session.go         | 2 +-
 2 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/bindinfo/session_handle.go b/bindinfo/session_handle.go
index e6baebe3ea960..a2e03931798a8 100644
--- a/bindinfo/session_handle.go
+++ b/bindinfo/session_handle.go
@@ -33,13 +33,12 @@ import (
 
 // SessionHandle is used to handle all session sql bind operations.
 type SessionHandle struct {
-	ch     *bindCache
-	parser *parser.Parser
+	ch *bindCache
 }
 
 // NewSessionBindHandle creates a new SessionBindHandle.
-func NewSessionBindHandle(parser *parser.Parser) *SessionHandle {
-	sessionHandle := &SessionHandle{parser: parser}
+func NewSessionBindHandle() *SessionHandle {
+	sessionHandle := &SessionHandle{}
 	sessionHandle.ch = newBindCache()
 	return sessionHandle
 }
diff --git a/session/session.go b/session/session.go
index a6f5bf4cad0f1..74c5aa5730bd6 100644
--- a/session/session.go
+++ b/session/session.go
@@ -3135,7 +3135,7 @@ func createSessionWithOpt(store kv.Storage, opt *Opt) (*session, error) {
 	s.sessionVars.BinlogClient = binloginfo.GetPumpsClient()
 	s.txn.init()
 
-	sessionBindHandle := bindinfo.NewSessionBindHandle(parser.New())
+	sessionBindHandle := bindinfo.NewSessionBindHandle()
 	s.SetValue(bindinfo.SessionBindInfoKeyType, sessionBindHandle)
 	s.SetSessionStatesHandler(sessionstates.StateBinding, sessionBindHandle)
 	return s, nil