From 10457475b9fe2ae9dc4e7f932fd6e561416c3881 Mon Sep 17 00:00:00 2001 From: Ryuta Kamizono Date: Tue, 11 Dec 2018 07:20:28 +0900 Subject: An explain query does not raise the `ReadOnlyError` if preventing writes --- activerecord/test/cases/base_test.rb | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'activerecord/test/cases') diff --git a/activerecord/test/cases/base_test.rb b/activerecord/test/cases/base_test.rb index 11df74ea25..30e8a5f833 100644 --- a/activerecord/test/cases/base_test.rb +++ b/activerecord/test/cases/base_test.rb @@ -1530,4 +1530,12 @@ class BasicsTest < ActiveRecord::TestCase assert_equal bird, Bird.where(name: "Bluejay").first end end + + test "an explain query does not raise if preventing writes" do + Bird.create!(name: "Bluejay") + + ActiveRecord::Base.connection.while_preventing_writes do + assert_queries(2) { Bird.where(name: "Bluejay").explain } + end + end end -- cgit v1.2.3