From 40cadf52db5e21349f6ecd9c4dc9b89d42ebc986 Mon Sep 17 00:00:00 2001 From: Ryuta Kamizono Date: Mon, 23 Oct 2017 22:20:58 +0900 Subject: Fix duplicate aliases when using both INNER/LEFT JOINs It should be shared the count of alias tracking in both INNER/LEFT JOINs to avoid duplicate aliases. Fixes #30504. Closes #30410. --- activerecord/lib/active_record/relation/query_methods.rb | 7 ++++--- .../test/cases/associations/inner_join_association_test.rb | 5 +++++ 2 files changed, 9 insertions(+), 3 deletions(-) diff --git a/activerecord/lib/active_record/relation/query_methods.rb b/activerecord/lib/active_record/relation/query_methods.rb index 269790cdba..897ff5c8af 100644 --- a/activerecord/lib/active_record/relation/query_methods.rb +++ b/activerecord/lib/active_record/relation/query_methods.rb @@ -924,7 +924,7 @@ module ActiveRecord def build_arel(aliases) arel = Arel::SelectManager.new(table) - build_joins(arel, joins_values.flatten, aliases) unless joins_values.empty? + aliases = build_joins(arel, joins_values.flatten, aliases) unless joins_values.empty? build_left_outer_joins(arel, left_outer_joins_values.flatten, aliases) unless left_outer_joins_values.empty? arel.where(where_clause.ast) unless where_clause.empty? @@ -1011,9 +1011,10 @@ module ActiveRecord string_joins = buckets[:string_join].map(&:strip).uniq join_list = join_nodes + convert_join_strings_to_ast(manager, string_joins) + alias_tracker = alias_tracker(join_list, aliases) join_dependency = ActiveRecord::Associations::JoinDependency.new( - klass, table, association_joins, alias_tracker(join_list, aliases) + klass, table, association_joins, alias_tracker ) joins = join_dependency.join_constraints(stashed_association_joins, join_type) @@ -1021,7 +1022,7 @@ module ActiveRecord manager.join_sources.concat(join_list) - manager + alias_tracker.aliases end def convert_join_strings_to_ast(table, joins) diff --git a/activerecord/test/cases/associations/inner_join_association_test.rb b/activerecord/test/cases/associations/inner_join_association_test.rb index d2494cabfa..eb85acf37e 100644 --- a/activerecord/test/cases/associations/inner_join_association_test.rb +++ b/activerecord/test/cases/associations/inner_join_association_test.rb @@ -27,6 +27,11 @@ class InnerJoinAssociationTest < ActiveRecord::TestCase end end + def test_construct_finder_sql_does_not_table_name_collide_on_duplicate_associations_with_left_outer_joins + sql = Person.joins(agents: :agents).left_outer_joins(agents: :agents).to_sql + assert_match(/agents_people_4/i, sql) + end + def test_construct_finder_sql_does_not_table_name_collide_with_string_joins sql = Person.joins(:agents).joins("JOIN people agents_people ON agents_people.primary_contact_id = people.id").to_sql assert_match(/agents_people_2/i, sql) -- cgit v1.2.3