diff options
Diffstat (limited to 'activerecord')
| -rw-r--r-- | activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb | 3 | ||||
| -rw-r--r-- | activerecord/lib/active_record/errors.rb | 3 | ||||
| -rw-r--r-- | activerecord/test/cases/adapter_test.rb | 21 |
3 files changed, 20 insertions, 7 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb index 284b38ed7b..9de8242a58 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb @@ -619,6 +619,7 @@ module ActiveRecord ER_DUP_ENTRY = 1062 ER_NOT_NULL_VIOLATION = 1048 ER_DO_NOT_HAVE_DEFAULT = 1364 + ER_ROW_IS_REFERENCED_2 = 1451 ER_NO_REFERENCED_ROW_2 = 1452 ER_DATA_TOO_LONG = 1406 ER_OUT_OF_RANGE = 1264 @@ -633,7 +634,7 @@ module ActiveRecord case error_number(exception) when ER_DUP_ENTRY RecordNotUnique.new(message) - when ER_NO_REFERENCED_ROW_2 + when ER_ROW_IS_REFERENCED_2, ER_NO_REFERENCED_ROW_2 InvalidForeignKey.new(message) when ER_CANNOT_ADD_FOREIGN mismatched_foreign_key(message) diff --git a/activerecord/lib/active_record/errors.rb b/activerecord/lib/active_record/errors.rb index c2a180c939..f61bc7b9e8 100644 --- a/activerecord/lib/active_record/errors.rb +++ b/activerecord/lib/active_record/errors.rb @@ -111,7 +111,8 @@ module ActiveRecord class RecordNotUnique < WrappedDatabaseException end - # Raised when a record cannot be inserted or updated because it references a non-existent record. + # Raised when a record cannot be inserted or updated because it references a non-existent record, + # or when a record cannot be deleted because a parent record references it. class InvalidForeignKey < WrappedDatabaseException end diff --git a/activerecord/test/cases/adapter_test.rb b/activerecord/test/cases/adapter_test.rb index 79642f5871..59b99351d1 100644 --- a/activerecord/test/cases/adapter_test.rb +++ b/activerecord/test/cases/adapter_test.rb @@ -304,6 +304,8 @@ module ActiveRecord class AdapterForeignKeyTest < ActiveRecord::TestCase self.use_transactional_tests = false + fixtures :fk_test_has_pk + def setup @connection = ActiveRecord::Base.connection end @@ -322,7 +324,7 @@ module ActiveRecord assert_not_nil error.cause end - def test_foreign_key_violations_are_translated_to_specific_exception + def test_foreign_key_violations_on_insert_are_translated_to_specific_exception error = assert_raises(ActiveRecord::InvalidForeignKey) do insert_into_fk_test_has_fk end @@ -330,6 +332,16 @@ module ActiveRecord assert_not_nil error.cause end + def test_foreign_key_violations_on_delete_are_translated_to_specific_exception + insert_into_fk_test_has_fk fk_id: 1 + + error = assert_raises(ActiveRecord::InvalidForeignKey) do + @connection.execute "DELETE FROM fk_test_has_pk WHERE pk_id = 1" + end + + assert_not_nil error.cause + end + def test_disable_referential_integrity assert_nothing_raised do @connection.disable_referential_integrity do @@ -342,14 +354,13 @@ module ActiveRecord end private - - def insert_into_fk_test_has_fk + def insert_into_fk_test_has_fk(fk_id: 0) # Oracle adapter uses prefetched primary key values from sequence and passes them to connection adapter insert method if @connection.prefetch_primary_key? id_value = @connection.next_sequence_value(@connection.default_sequence_name("fk_test_has_fk", "id")) - @connection.execute "INSERT INTO fk_test_has_fk (id,fk_id) VALUES (#{id_value},0)" + @connection.execute "INSERT INTO fk_test_has_fk (id,fk_id) VALUES (#{id_value},#{fk_id})" else - @connection.execute "INSERT INTO fk_test_has_fk (fk_id) VALUES (0)" + @connection.execute "INSERT INTO fk_test_has_fk (fk_id) VALUES (#{fk_id})" end end end |