diff options
Diffstat (limited to 'activerecord/lib')
-rw-r--r-- | activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb index dca355aa93..0f6b177b62 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb @@ -234,6 +234,10 @@ module ActiveRecord name = name.to_s type = type.to_sym + if primary_key_column_name == name + raise ArgumentError, "you can't redefine the primary key column '#{name}'. To define a custom primary key, pass { id: false } to create_table." + end + column = self[name] || new_column_definition(@base, name, type) limit = options.fetch(:limit) do @@ -302,6 +306,11 @@ module ActiveRecord definition end + def primary_key_column_name + primary_key_column = columns.detect { |c| c.type == :primary_key } + primary_key_column && primary_key_column.name + end + def native @base.native_database_types end |