diff options
Diffstat (limited to 'activerecord')
4 files changed, 25 insertions, 14 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 5ebd8a8dcb..37e4eb24a8 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb @@ -31,8 +31,6 @@ module ActiveRecord def extract_default if blob_or_text_column? @default = null || strict ? nil : '' - elsif missing_default_forged_as_empty_string?(default) - @default = nil end end @@ -59,17 +57,6 @@ module ActiveRecord private - # MySQL misreports NOT NULL column default when none is given. - # We can't detect this for columns which may have a legitimate '' - # default (string) but we can for others (integer, datetime, boolean, - # and the rest). - # - # Test whether the column has default '', is not null, and is not - # a type allowing default ''. - def missing_default_forged_as_empty_string?(default) - type != :string && !null && default == '' - end - def assert_valid_default(default) if blob_or_text_column? && default.present? raise ArgumentError, "#{type} columns cannot have a default value: #{default.inspect}" diff --git a/activerecord/test/cases/column_definition_test.rb b/activerecord/test/cases/column_definition_test.rb index da0d7f5195..783a374116 100644 --- a/activerecord/test/cases/column_definition_test.rb +++ b/activerecord/test/cases/column_definition_test.rb @@ -49,6 +49,16 @@ module ActiveRecord assert_equal "a", varbinary_column.default end + def test_should_be_empty_string_default_for_mysql_binary_data_types + type = SqlTypeMetadata.new(type: :binary, sql_type: "binary(1)") + binary_column = AbstractMysqlAdapter::Column.new("title", "", type, false) + assert_equal "", binary_column.default + + type = SqlTypeMetadata.new(type: :binary, sql_type: "varbinary") + varbinary_column = AbstractMysqlAdapter::Column.new("title", "", type, false) + assert_equal "", varbinary_column.default + end + def test_should_not_set_default_for_blob_and_text_data_types assert_raise ArgumentError do AbstractMysqlAdapter::Column.new("title", "a", SqlTypeMetadata.new(sql_type: "blob")) diff --git a/activerecord/test/cases/invalid_connection_test.rb b/activerecord/test/cases/invalid_connection_test.rb index c26623e3ca..a16b52751a 100644 --- a/activerecord/test/cases/invalid_connection_test.rb +++ b/activerecord/test/cases/invalid_connection_test.rb @@ -1,5 +1,6 @@ require "cases/helper" +if current_adapter?(:Mysql2Adapter) class TestAdapterWithInvalidConnection < ActiveRecord::TestCase self.use_transactional_tests = false @@ -20,3 +21,4 @@ class TestAdapterWithInvalidConnection < ActiveRecord::TestCase assert_equal "#{Bird.name} (call '#{Bird.name}.connection' to establish a connection)", Bird.inspect end end +end diff --git a/activerecord/test/cases/relations_test.rb b/activerecord/test/cases/relations_test.rb index df0c2f1f92..0638edacbd 100644 --- a/activerecord/test/cases/relations_test.rb +++ b/activerecord/test/cases/relations_test.rb @@ -125,12 +125,24 @@ class RelationTest < ActiveRecord::TestCase topics.to_a # force load assert_no_queries do - assert_equal "The First Topic", topics.first(2).first.title + assert_equal ["The First Topic", + "The Second Topic of the day"], topics.first(2).map(&:title) end assert topics.loaded? end + def test_first_get_more_than_available + topics = Topic.all.order('id ASC') + unloaded_first = topics.first(10) + topics.to_a # force load + + assert_no_queries do + loaded_first = topics.first(10) + assert_equal unloaded_first, loaded_first + end + end + def test_reload topics = Topic.all |