devmynd/hstore_accessor — pull request #44 by onemanstartup (2014-10-04 18:08:12+00:00)
Title: Active record 4.2.0.beta2

Added support for this version

`send(:attribute_will_change!, key)` - with this line somthing strange will happen, PG:UndefinedColumn raised.
Also attribute change is done manually :( I can't figure out how to do this with rails help.