diff options
| -rw-r--r-- | activerecord/CHANGELOG.md | 7 | ||||
| -rw-r--r-- | activerecord/lib/active_record/explain.rb | 2 | ||||
| -rw-r--r-- | activerecord/lib/active_record/migration/join_table.rb | 2 | ||||
| -rw-r--r-- | activerecord/lib/active_record/model_schema.rb | 11 | ||||
| -rw-r--r-- | activerecord/lib/active_record/reflection.rb | 2 | ||||
| -rw-r--r-- | activerecord/test/cases/migration/create_join_table_test.rb | 24 |
6 files changed, 45 insertions, 3 deletions
diff --git a/activerecord/CHANGELOG.md b/activerecord/CHANGELOG.md index fda3851ecf..6d0a2e13ee 100644 --- a/activerecord/CHANGELOG.md +++ b/activerecord/CHANGELOG.md @@ -1,3 +1,10 @@ +* `create_join_table` removes a common prefix when generating the join table. + This matches the existing behavior of HABTM associations. + + Fixes #13683. + + *Stefan Kanev* + * Dont swallow errors on compute_type when having a bad alias_method on a class. diff --git a/activerecord/lib/active_record/explain.rb b/activerecord/lib/active_record/explain.rb index e65dab07ba..727a9befc1 100644 --- a/activerecord/lib/active_record/explain.rb +++ b/activerecord/lib/active_record/explain.rb @@ -27,7 +27,7 @@ module ActiveRecord end.join("\n") end.join("\n") - # Overriding inspect to be more human readable, specially in the console. + # Overriding inspect to be more human readable, especially in the console. def str.inspect self end diff --git a/activerecord/lib/active_record/migration/join_table.rb b/activerecord/lib/active_record/migration/join_table.rb index ebf64cbcdc..05569fadbd 100644 --- a/activerecord/lib/active_record/migration/join_table.rb +++ b/activerecord/lib/active_record/migration/join_table.rb @@ -8,7 +8,7 @@ module ActiveRecord end def join_table_name(table_1, table_2) - [table_1.to_s, table_2.to_s].sort.join("_").to_sym + ModelSchema.derive_join_table_name(table_1, table_2).to_sym end end end diff --git a/activerecord/lib/active_record/model_schema.rb b/activerecord/lib/active_record/model_schema.rb index 092c3b4fb7..850220babd 100644 --- a/activerecord/lib/active_record/model_schema.rb +++ b/activerecord/lib/active_record/model_schema.rb @@ -55,6 +55,17 @@ module ActiveRecord delegate :type_for_attribute, to: :class end + # Derives the join table name for +first_table+ and +second_table+. The + # table names appear in alphabetical order. A common prefix is removed + # (useful for namespaced models like Music::Artist and Music::Record): + # + # artists, records => artists_records + # records, artists => artists_records + # music_artists, music_records => music_artists_records + def self.derive_join_table_name(first_table, second_table) # :nodoc: + [first_table.to_s, second_table.to_s].sort.join("\0").gsub(/^(.*_)(.+)\0\1(.+)/, '\1\2_\3').gsub("\0", "_") + end + module ClassMethods # Guesses the table name (in forced lower-case) based on the name of the class in the # inheritance hierarchy descending directly from ActiveRecord::Base. So if the hierarchy diff --git a/activerecord/lib/active_record/reflection.rb b/activerecord/lib/active_record/reflection.rb index 2eefba2dfe..86eef9ca36 100644 --- a/activerecord/lib/active_record/reflection.rb +++ b/activerecord/lib/active_record/reflection.rb @@ -567,7 +567,7 @@ Joining, Preloading and eager loading of these associations is deprecated and wi end def derive_join_table - [active_record.table_name, klass.table_name].sort.join("\0").gsub(/^(.*_)(.+)\0\1(.+)/, '\1\2_\3').gsub("\0", "_") + ModelSchema.derive_join_table_name active_record.table_name, klass.table_name end def primary_key(klass) diff --git a/activerecord/test/cases/migration/create_join_table_test.rb b/activerecord/test/cases/migration/create_join_table_test.rb index 62b60f7f7b..bea9d6b2c9 100644 --- a/activerecord/test/cases/migration/create_join_table_test.rb +++ b/activerecord/test/cases/migration/create_join_table_test.rb @@ -119,6 +119,30 @@ module ActiveRecord assert !connection.tables.include?('artists_musics') end + + def test_create_and_drop_join_table_with_common_prefix + with_table_cleanup do + connection.create_join_table 'audio_artists', 'audio_musics' + assert_includes connection.tables, 'audio_artists_musics' + + connection.drop_join_table 'audio_artists', 'audio_musics' + assert !connection.tables.include?('audio_artists_musics'), "Should have dropped join table, but didn't" + end + end + + private + + def with_table_cleanup + tables_before = connection.tables + + yield + ensure + tables_after = connection.tables - tables_before + + tables_after.each do |table| + connection.execute "DROP TABLE #{table}" + end + end end end end |