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author | Ryuta Kamizono <kamipo@gmail.com> | 2017-10-23 22:20:58 +0900 |
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committer | Ryuta Kamizono <kamipo@gmail.com> | 2017-10-23 22:20:58 +0900 |
commit | 40cadf52db5e21349f6ecd9c4dc9b89d42ebc986 (patch) | |
tree | 23862c33c8c4a6cc40ba1f115f8c9e123ff7eb1e | |
parent | 9fedd013475456dc9bdbf0be45a194cc5fc2566e (diff) | |
download | rails-40cadf52db5e21349f6ecd9c4dc9b89d42ebc986.tar.gz rails-40cadf52db5e21349f6ecd9c4dc9b89d42ebc986.tar.bz2 rails-40cadf52db5e21349f6ecd9c4dc9b89d42ebc986.zip |
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.
-rw-r--r-- | activerecord/lib/active_record/relation/query_methods.rb | 7 | ||||
-rw-r--r-- | activerecord/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) |