From cb4ba522ef643073c1b1ae372ef0a5e32078cb5f Mon Sep 17 00:00:00 2001
From: Anton Kaliaev <anton.kalyaev@gmail.com>
Date: Sat, 9 Dec 2017 23:05:13 -0600
Subject: [PATCH] add String method to Query interface

Required for https://github.com/tendermint/tendermint/issues/945
---
 pubsub/pubsub.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pubsub/pubsub.go b/pubsub/pubsub.go
index 52b8361f..27f15cbe 100644
--- a/pubsub/pubsub.go
+++ b/pubsub/pubsub.go
@@ -38,6 +38,7 @@ type cmd struct {
 // Query defines an interface for a query to be used for subscribing.
 type Query interface {
 	Matches(tags map[string]interface{}) bool
+	String() string
 }
 
 // Server allows clients to subscribe/unsubscribe for messages, publishing