From b0ce13cdff3b08e3d26dcacd1fe1532ab11a75b8 Mon Sep 17 00:00:00 2001
From: tiancaiamao <tiancaiamao@gmail.com>
Date: Sat, 18 Jul 2020 23:58:51 +0800
Subject: [PATCH] executor: 'select * from information_schema.tables' fail
 after setting @@tidb_snapshot

---
 executor/infoschema_reader.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/executor/infoschema_reader.go b/executor/infoschema_reader.go
index be3c1d66453af..514015d94b360 100644
--- a/executor/infoschema_reader.go
+++ b/executor/infoschema_reader.go
@@ -271,7 +271,7 @@ func (c *statsCache) get(ctx sessionctx.Context) (map[int64]uint64, map[tableHis
 }
 
 func getAutoIncrementID(ctx sessionctx.Context, schema *model.DBInfo, tblInfo *model.TableInfo) (int64, error) {
-	is := ctx.GetSessionVars().TxnCtx.InfoSchema.(infoschema.InfoSchema)
+	is := infoschema.GetInfoSchema(ctx)
 	tbl, err := is.TableByName(schema.Name, tblInfo.Name)
 	if err != nil {
 		return 0, err