diff options
Diffstat (limited to 'activerecord/lib')
3 files changed, 20 insertions, 9 deletions
diff --git a/activerecord/lib/active_record/associations.rb b/activerecord/lib/active_record/associations.rb index d3b9b8251a..945f22d3c8 100644 --- a/activerecord/lib/active_record/associations.rb +++ b/activerecord/lib/active_record/associations.rb @@ -1366,6 +1366,17 @@ module ActiveRecord # * <tt>Post#create_author!</tt> (similar to <tt>post.author = Author.new; post.author.save!; post.author</tt>) # The declaration can also include an +options+ hash to specialize the behavior of the association. # + # === Scopes + # + # You can pass a second argument +scope+ as a callable (i.e. proc or + # lambda) to retrieve a specific record or customize the generated query + # when you access the associated object. + # + # Scope examples: + # belongs_to :user, -> { where(id: 2) } + # belongs_to :user, -> { joins(:friends) } + # belongs_to :level, ->(level) { where("game_level > ?", level.current) } + # # === Options # # [:class_name] 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 9e07e9a5c4..92ac607a3c 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb @@ -2,6 +2,7 @@ require 'date' require 'set' require 'bigdecimal' require 'bigdecimal/util' +require 'active_support/core_ext/string/strip' module ActiveRecord module ConnectionAdapters #:nodoc: diff --git a/activerecord/lib/active_record/migration.rb b/activerecord/lib/active_record/migration.rb index a6847e28c2..659c5e3bbb 100644 --- a/activerecord/lib/active_record/migration.rb +++ b/activerecord/lib/active_record/migration.rb @@ -836,21 +836,20 @@ module ActiveRecord SchemaMigration.table_name end - def get_all_versions - SchemaMigration.all.map { |x| x.version.to_i }.sort + def get_all_versions(connection = Base.connection) + if connection.table_exists?(schema_migrations_table_name) + SchemaMigration.all.map { |x| x.version.to_i }.sort + else + [] + end end def current_version(connection = Base.connection) - sm_table = schema_migrations_table_name - if connection.table_exists?(sm_table) - get_all_versions.max || 0 - else - 0 - end + get_all_versions(connection).max || 0 end def needs_migration?(connection = Base.connection) - current_version(connection) < last_version + (migrations(migrations_paths).collect(&:version) - get_all_versions(connection)).size > 0 end def last_version |