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| author | Nick Kallen <nkallen@nick-kallens-computer-2.local> | 2008-05-19 19:27:48 -0700 |
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| committer | Nick Kallen <nkallen@nick-kallens-computer-2.local> | 2008-05-19 19:27:48 -0700 |
| commit | 9e5ee49ec55b9cb1c2b4444dee58f3dfaefc7c7e (patch) | |
| tree | b6f762f065574a6394da1a4c70efb874802d6677 /lib/arel/relations/operations/group.rb | |
| parent | 5a5501cde76bbba69bcea27d3d0efeaffa3e3bf5 (diff) | |
| download | rails-9e5ee49ec55b9cb1c2b4444dee58f3dfaefc7c7e.tar.gz rails-9e5ee49ec55b9cb1c2b4444dee58f3dfaefc7c7e.tar.bz2 rails-9e5ee49ec55b9cb1c2b4444dee58f3dfaefc7c7e.zip | |
some drying up of boiler plate initialization and equality code
Diffstat (limited to 'lib/arel/relations/operations/group.rb')
| -rw-r--r-- | lib/arel/relations/operations/group.rb | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/lib/arel/relations/operations/group.rb b/lib/arel/relations/operations/group.rb index bc3a7f3437..22af2734a6 100644 --- a/lib/arel/relations/operations/group.rb +++ b/lib/arel/relations/operations/group.rb @@ -1,15 +1,11 @@ module Arel class Group < Compound - attr_reader :groupings + attributes :relation, :groupings + deriving :== - def initialize(relation, *groupings) - @relation, @groupings = relation, groupings.collect { |g| g.bind(relation) } - end - - def ==(other) - Group === other and - relation == other.relation and - groupings == other.groupings + def initialize(relation, *groupings, &block) + @relation = relation + @groupings = (groupings + (block_given?? [yield(self)] : [])).collect { |g| g.bind(relation) } end def aggregation? |