From 1a7567d2afd86e4213a9c682e1e2e9be0ff84786 Mon Sep 17 00:00:00 2001 From: Boris Staal Date: Thu, 20 Dec 2012 14:26:40 +0700 Subject: [PATCH] Eager loading made to use relation's in_clause_length instead of host's one (fixes #8474) --- actionmailer/CHANGELOG.md | 5 +++++ .../associations/preloader/association.rb | 2 +- activerecord/test/cases/associations/eager_test.rb | 14 +++++++------- 3 files changed, 13 insertions(+), 8 deletions(-) diff --git a/actionmailer/CHANGELOG.md b/actionmailer/CHANGELOG.md index 2f99b61b50..f182565974 100644 --- a/actionmailer/CHANGELOG.md +++ b/actionmailer/CHANGELOG.md @@ -1,5 +1,10 @@ ## Rails 4.0.0 (unreleased) ## +* Eager loading made to use relation's in_clause_length instead of host's one. + Fix #8474 + + *Boris Staal* + * Explicit multipart messages no longer set the order of the MIME parts. *Nate Berkopec* diff --git a/activerecord/lib/active_record/associations/preloader/association.rb b/activerecord/lib/active_record/associations/preloader/association.rb index cbf5e734ea..82588905c6 100644 --- a/activerecord/lib/active_record/associations/preloader/association.rb +++ b/activerecord/lib/active_record/associations/preloader/association.rb @@ -76,7 +76,7 @@ def associated_records_by_owner else # Some databases impose a limit on the number of ids in a list (in Oracle it's 1000) # Make several smaller queries if necessary or make one query if the adapter supports it - sliced = owner_keys.each_slice(model.connection.in_clause_length || owner_keys.size) + sliced = owner_keys.each_slice(klass.connection.in_clause_length || owner_keys.size) records = sliced.map { |slice| records_for(slice).to_a }.flatten end diff --git a/activerecord/test/cases/associations/eager_test.rb b/activerecord/test/cases/associations/eager_test.rb index 94437380a4..9f7ecd9c3c 100644 --- a/activerecord/test/cases/associations/eager_test.rb +++ b/activerecord/test/cases/associations/eager_test.rb @@ -93,31 +93,31 @@ def test_duplicate_middle_objects end def test_preloading_has_many_in_multiple_queries_with_more_ids_than_database_can_handle - Post.connection.expects(:in_clause_length).at_least_once.returns(5) + Comment.connection.expects(:in_clause_length).at_least_once.returns(5) posts = Post.all.merge!(:includes=>:comments).to_a assert_equal 11, posts.size end def test_preloading_has_many_in_one_queries_when_database_has_no_limit_on_ids_it_can_handle - Post.connection.expects(:in_clause_length).at_least_once.returns(nil) + Comment.connection.expects(:in_clause_length).at_least_once.returns(nil) posts = Post.all.merge!(:includes=>:comments).to_a assert_equal 11, posts.size end def test_preloading_habtm_in_multiple_queries_with_more_ids_than_database_can_handle - Post.connection.expects(:in_clause_length).at_least_once.returns(5) + Comment.connection.expects(:in_clause_length).at_least_once.returns(5) posts = Post.all.merge!(:includes=>:categories).to_a assert_equal 11, posts.size end def test_preloading_habtm_in_one_queries_when_database_has_no_limit_on_ids_it_can_handle - Post.connection.expects(:in_clause_length).at_least_once.returns(nil) + Comment.connection.expects(:in_clause_length).at_least_once.returns(nil) posts = Post.all.merge!(:includes=>:categories).to_a assert_equal 11, posts.size end def test_load_associated_records_in_one_query_when_adapter_has_no_limit - Post.connection.expects(:in_clause_length).at_least_once.returns(nil) + Comment.connection.expects(:in_clause_length).at_least_once.returns(nil) post = posts(:welcome) assert_queries(2) do @@ -126,7 +126,7 @@ def test_load_associated_records_in_one_query_when_adapter_has_no_limit end def test_load_associated_records_in_several_queries_when_many_ids_passed - Post.connection.expects(:in_clause_length).at_least_once.returns(1) + Comment.connection.expects(:in_clause_length).at_least_once.returns(1) post1, post2 = posts(:welcome), posts(:thinking) assert_queries(3) do @@ -135,7 +135,7 @@ def test_load_associated_records_in_several_queries_when_many_ids_passed end def test_load_associated_records_in_one_query_when_a_few_ids_passed - Post.connection.expects(:in_clause_length).at_least_once.returns(3) + Comment.connection.expects(:in_clause_length).at_least_once.returns(3) post = posts(:welcome) assert_queries(2) do -- GitLab