From 5bb056d268c9fc8c08c04ef04aef0c499b08a12c Mon Sep 17 00:00:00 2001
From: kennyj <kennyj@gmail.com>
Date: Sun, 16 Sep 2012 10:43:30 +0900
Subject: Don't explain except normal CRUD sql.

---
 activerecord/test/cases/explain_subscriber_test.rb | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'activerecord/test/cases/explain_subscriber_test.rb')

diff --git a/activerecord/test/cases/explain_subscriber_test.rb b/activerecord/test/cases/explain_subscriber_test.rb
index 91e1df91cd..b425967678 100644
--- a/activerecord/test/cases/explain_subscriber_test.rb
+++ b/activerecord/test/cases/explain_subscriber_test.rb
@@ -38,6 +38,13 @@ if ActiveRecord::Base.connection.supports_explain?
       end
     end
 
+    def test_collects_nothing_if_unexplained_sqls
+      with_queries([]) do |queries|
+        SUBSCRIBER.finish(nil, nil, :name => 'SQL', :sql => 'SHOW max_identifier_length')
+        assert queries.empty?
+      end
+    end
+
     def with_queries(queries)
       Thread.current[:available_queries_for_explain] = queries
       yield queries
-- 
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