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author | Aaron Patterson <aaron.patterson@gmail.com> | 2010-08-16 17:44:48 -0700 |
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committer | Aaron Patterson <aaron.patterson@gmail.com> | 2010-08-16 17:44:48 -0700 |
commit | 9daa0bbe153f1a85319c97756aebcda82bac7bdd (patch) | |
tree | 47873f0fc03fa721c2c3cbd01da18d8bdbc976e1 /lib | |
parent | 8d46360cbd5e5ae650ac6d735f5a44f0f57b7aee (diff) | |
download | rails-9daa0bbe153f1a85319c97756aebcda82bac7bdd.tar.gz rails-9daa0bbe153f1a85319c97756aebcda82bac7bdd.tar.bz2 rails-9daa0bbe153f1a85319c97756aebcda82bac7bdd.zip |
adding some activerecord compatibility
Diffstat (limited to 'lib')
-rw-r--r-- | lib/arel.rb | 1 | ||||
-rw-r--r-- | lib/arel/compatibility/wheres.rb | 29 | ||||
-rw-r--r-- | lib/arel/select_manager.rb | 4 |
3 files changed, 34 insertions, 0 deletions
diff --git a/lib/arel.rb b/lib/arel.rb index c4e377b5bc..acb270728f 100644 --- a/lib/arel.rb +++ b/lib/arel.rb @@ -3,6 +3,7 @@ require 'arel/crud' require 'arel/version' require 'arel/table' require 'arel/attributes' +require 'arel/compatibility/wheres' #### these are deprecated # The Arel::Relation constant is referenced in Rails diff --git a/lib/arel/compatibility/wheres.rb b/lib/arel/compatibility/wheres.rb new file mode 100644 index 0000000000..eeb7a2fa38 --- /dev/null +++ b/lib/arel/compatibility/wheres.rb @@ -0,0 +1,29 @@ +module Arel + module Compatibility # :nodoc: + class Wheres # :nodoc: + include Enumerable + + module Value # :nodoc: + attr_accessor :visitor + def value + visitor.accept self + end + end + + def initialize engine, collection + @engine = engine + @collection = collection + end + + def each + to_sql = Visitors::ToSql.new @engine + + @collection.each { |c| + c.extend(Value) + c.visitor = to_sql + yield c + } + end + end + end +end diff --git a/lib/arel/select_manager.rb b/lib/arel/select_manager.rb index 23d85e3386..f278465c51 100644 --- a/lib/arel/select_manager.rb +++ b/lib/arel/select_manager.rb @@ -23,6 +23,10 @@ module Arel self end + def wheres + Compatibility::Wheres.new @engine, @ctx.wheres + end + def take limit @head.limit = limit self |