Module | DataMapper::Migrations::DataObjectsAdapter |
In: |
lib/dm-migrations/adapters/dm-do-adapter.rb
|
Returns whether the field exists.
@param [String] storage_name
a String defining the name of a storage, for example a table name.
@param [String] field
a String defining the name of a field, for example a column name.
@return [Boolean]
true if the field exists.
@api semipublic