From b560922f01130f94447af479ae6edba90d7b2b75 Mon Sep 17 00:00:00 2001
From: Reinier Schoof <rschoof@transip.nl>
Date: Fri, 18 Jun 2021 09:09:03 +0200
Subject: [PATCH] return EOF response on COM_SET_OPTION commands

---
 server/command.go | 6 ++++++
 server/resp.go    | 3 +++
 2 files changed, 9 insertions(+)

diff --git a/server/command.go b/server/command.go
index 50e4951b6..69e0bf39c 100644
--- a/server/command.go
+++ b/server/command.go
@@ -125,6 +125,12 @@ func (c *Conn) dispatch(data []byte) interface{} {
 		} else {
 			return r
 		}
+	case COM_SET_OPTION:
+		if err := c.h.HandleOtherCommand(cmd, data); err != nil {
+			return err
+		}
+
+		return eofResponse{}
 	default:
 		return c.h.HandleOtherCommand(cmd, data)
 	}
diff --git a/server/resp.go b/server/resp.go
index d8051c698..f0ec5486e 100644
--- a/server/resp.go
+++ b/server/resp.go
@@ -170,11 +170,14 @@ func (c *Conn) writeFieldList(fs []*Field) error {
 }
 
 type noResponse struct{}
+type eofResponse struct{}
 
 func (c *Conn) writeValue(value interface{}) error {
 	switch v := value.(type) {
 	case noResponse:
 		return nil
+	case eofResponse:
+		return c.writeEOF()
 	case error:
 		return c.writeError(v)
 	case nil: