diff options
4 files changed, 65 insertions, 2 deletions
diff --git a/activerecord/CHANGELOG.md b/activerecord/CHANGELOG.md index 0105dfa78c..8808574df5 100644 --- a/activerecord/CHANGELOG.md +++ b/activerecord/CHANGELOG.md @@ -1,3 +1,9 @@ +* Respect custom primary keys for associations when calling `Relation#where` + + Fixes #18813. + + *Sean Griffin* + * Fixed several edge cases which could result in a counter cache updating twice or not updating at all for `has_many` and `has_many :through`. diff --git a/activerecord/lib/active_record/relation/predicate_builder/association_query_handler.rb b/activerecord/lib/active_record/relation/predicate_builder/association_query_handler.rb index aabcf20c1d..159889d3b8 100644 --- a/activerecord/lib/active_record/relation/predicate_builder/association_query_handler.rb +++ b/activerecord/lib/active_record/relation/predicate_builder/association_query_handler.rb @@ -31,7 +31,14 @@ module ActiveRecord end def ids - value + case value + when Relation + value.select(primary_key) + when Array + value.map { |v| convert_to_id(v) } + else + convert_to_id(value) + end end def base_class @@ -42,6 +49,10 @@ module ActiveRecord private + def primary_key + associated_table.association_primary_key(base_class) + end + def polymorphic_base_class_from_value case value when Relation @@ -53,6 +64,15 @@ module ActiveRecord value.class.base_class end end + + def convert_to_id(value) + case value + when Base + value._read_attribute(primary_key) + else + value + end + end end end end diff --git a/activerecord/lib/active_record/table_metadata.rb b/activerecord/lib/active_record/table_metadata.rb index 6c8792ee80..3dd6321a97 100644 --- a/activerecord/lib/active_record/table_metadata.rb +++ b/activerecord/lib/active_record/table_metadata.rb @@ -1,6 +1,7 @@ module ActiveRecord class TableMetadata # :nodoc: delegate :foreign_type, :foreign_key, to: :association, prefix: true + delegate :association_primary_key, to: :association def initialize(klass, arel_table, association = nil) @klass = klass diff --git a/activerecord/test/cases/relation/where_test.rb b/activerecord/test/cases/relation/where_test.rb index 537937decd..6af31017d6 100644 --- a/activerecord/test/cases/relation/where_test.rb +++ b/activerecord/test/cases/relation/where_test.rb @@ -5,6 +5,7 @@ require "models/cake_designer" require "models/chef" require "models/comment" require "models/edge" +require "models/essay" require "models/post" require "models/price_estimate" require "models/topic" @@ -13,7 +14,7 @@ require "models/vertex" module ActiveRecord class WhereTest < ActiveRecord::TestCase - fixtures :posts, :edges, :authors, :binaries + fixtures :posts, :edges, :authors, :binaries, :essays def test_where_copies_bind_params author = authors(:david) @@ -240,5 +241,40 @@ module ActiveRecord count = Binary.where(:data => 0).count assert_equal 0, count end + + def test_where_on_association_with_custom_primary_key + author = authors(:david) + essay = Essay.where(writer: author).first + + assert_equal essays(:david_modest_proposal), essay + end + + def test_where_on_association_with_custom_primary_key_with_relation + author = authors(:david) + essay = Essay.where(writer: Author.where(id: author.id)).first + + assert_equal essays(:david_modest_proposal), essay + end + + def test_where_on_association_with_relation_performs_subselect_not_two_queries + author = authors(:david) + + assert_queries(1) do + Essay.where(writer: Author.where(id: author.id)).to_a + end + end + + def test_where_on_association_with_custom_primary_key_with_array_of_base + author = authors(:david) + essay = Essay.where(writer: [author]).first + + assert_equal essays(:david_modest_proposal), essay + end + + def test_where_on_association_with_custom_primary_key_with_array_of_ids + essay = Essay.where(writer: ["David"]).first + + assert_equal essays(:david_modest_proposal), essay + end end end |