From fda1fefa26eaae305a5928085500b7e6d8283f06 Mon Sep 17 00:00:00 2001
From: shenli <shenli3514@gmail.com>
Date: Fri, 15 Jan 2016 11:49:03 +0800
Subject: [PATCH] *: Change TypeVarchar to TypeVarString

---
 tidb-server/server/driver_tidb.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/tidb-server/server/driver_tidb.go b/tidb-server/server/driver_tidb.go
index aa59f6f189..cef9fc9a7a 100644
--- a/tidb-server/server/driver_tidb.go
+++ b/tidb-server/server/driver_tidb.go
@@ -278,5 +278,11 @@ func convertColumnInfo(fld *field.ResultField) (ci *ColumnInfo) {
 		ci.Decimal = uint8(fld.Decimal)
 	}
 	ci.Type = uint8(fld.Tp)
+
+	// Keep things compatible for old clients.
+	// Refer to mysql-server/sql/protocol.cc send_result_set_metadata()
+	if ci.Type == mysql.TypeVarchar {
+		ci.Type = mysql.TypeVarString
+	}
 	return
 }