diff options
Diffstat (limited to 'activerecord/lib/active_record/validations/uniqueness.rb')
| -rw-r--r-- | activerecord/lib/active_record/validations/uniqueness.rb | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/activerecord/lib/active_record/validations/uniqueness.rb b/activerecord/lib/active_record/validations/uniqueness.rb index aa2794f120..4a80cda0b8 100644 --- a/activerecord/lib/active_record/validations/uniqueness.rb +++ b/activerecord/lib/active_record/validations/uniqueness.rb @@ -11,15 +11,14 @@ module ActiveRecord end def validate_each(record, attribute, value) - return unless should_validate?(record) finder_class = find_finder_class_for(record) table = finder_class.arel_table value = map_enum_attribute(finder_class, attribute, value) relation = build_relation(finder_class, table, attribute, value) - if record.persisted? && finder_class.primary_key.to_s != attribute.to_s + if record.persisted? if finder_class.primary_key - relation = relation.where.not(finder_class.primary_key => record.id) + relation = relation.where.not(finder_class.primary_key => record.id_was || record.id) else raise UnknownPrimaryKey.new(finder_class, "Can not validate uniqueness for persisted record without primary key.") end @@ -57,14 +56,13 @@ module ActiveRecord value = value.attributes[reflection.klass.primary_key] unless value.nil? end - attribute_name = attribute.to_s - # the attribute may be an aliased attribute - if klass.attribute_aliases[attribute_name] - attribute = klass.attribute_aliases[attribute_name] - attribute_name = attribute.to_s + if klass.attribute_alias?(attribute) + attribute = klass.attribute_alias(attribute) end + attribute_name = attribute.to_s + column = klass.columns_hash[attribute_name] cast_type = klass.type_for_attribute(attribute_name) value = cast_type.serialize(value) @@ -73,15 +71,18 @@ module ActiveRecord value = value.to_s[0, column.limit] end - value = Arel::Nodes::Quoted.new(value) - comparison = if !options[:case_sensitive] && !value.nil? # will use SQL LOWER function before comparison, unless it detects a case insensitive collation klass.connection.case_insensitive_comparison(table, attribute, column, value) else klass.connection.case_sensitive_comparison(table, attribute, column, value) end - klass.unscoped.where(comparison) + if value.nil? + klass.unscoped.where(comparison) + else + bind = Relation::QueryAttribute.new(attribute_name, value, Type::Value.new) + klass.unscoped.where(comparison, bind) + end rescue RangeError klass.none end @@ -231,7 +232,6 @@ module ActiveRecord # # The following bundled adapters throw the ActiveRecord::RecordNotUnique exception: # - # * ActiveRecord::ConnectionAdapters::MysqlAdapter. # * ActiveRecord::ConnectionAdapters::Mysql2Adapter. # * ActiveRecord::ConnectionAdapters::SQLite3Adapter. # * ActiveRecord::ConnectionAdapters::PostgreSQLAdapter. |