From 43c775e77cfdf2b4af4dc9d188add73bfd469910 Mon Sep 17 00:00:00 2001
From: JJ Geewax <jj@geewax.org>
Date: Mon, 20 Mar 2017 14:41:15 -0400
Subject: [PATCH] Fix issue with read-only transaction

Adding a missing `{readOnly: true}` option in `runTransaction()`
---
 spanner/transaction.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/spanner/transaction.js b/spanner/transaction.js
index e512c45a38..d1a6f06501 100644
--- a/spanner/transaction.js
+++ b/spanner/transaction.js
@@ -33,7 +33,7 @@ function readOnlyTransaction (instanceId, databaseId) {
 
   // Gets a transaction object that captures the database state
   // at a specific point in time
-  database.runTransaction()
+  database.runTransaction({readOnly: true})
     .then((results) => {
       const transaction = results[0];