From b1aeae0494c904db224b728330084ea173f38cf5 Mon Sep 17 00:00:00 2001 From: Federico Martinez Date: Thu, 7 Jun 2018 01:05:30 -0300 Subject: Fix Collection cache key with limit and custom select (PG:AmbigousColumn: Error) Change query to use alias name for timestamp_column to avoid ambiguity problems when using timestamp from subquery. --- activerecord/test/cases/collection_cache_key_test.rb | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'activerecord/test') diff --git a/activerecord/test/cases/collection_cache_key_test.rb b/activerecord/test/cases/collection_cache_key_test.rb index 844b2b2162..483383257b 100644 --- a/activerecord/test/cases/collection_cache_key_test.rb +++ b/activerecord/test/cases/collection_cache_key_test.rb @@ -42,6 +42,20 @@ module ActiveRecord assert_equal last_developer_timestamp.to_s(ActiveRecord::Base.cache_timestamp_format), $3 end + test "cache_key for relation with custom select and limit" do + developers = Developer.where(salary: 100000).order(updated_at: :desc).limit(5) + developers_with_select = developers.select("developers.*") + last_developer_timestamp = developers.first.updated_at + + assert_match(/\Adevelopers\/query-(\h+)-(\d+)-(\d+)\z/, developers_with_select.cache_key) + + /\Adevelopers\/query-(\h+)-(\d+)-(\d+)\z/ =~ developers_with_select.cache_key + + assert_equal ActiveSupport::Digest.hexdigest(developers_with_select.to_sql), $1 + assert_equal developers.count.to_s, $2 + assert_equal last_developer_timestamp.to_s(ActiveRecord::Base.cache_timestamp_format), $3 + end + test "cache_key for loaded relation" do developers = Developer.where(salary: 100000).order(updated_at: :desc).limit(5).load last_developer_timestamp = developers.first.updated_at -- cgit v1.2.3