unidex.rb in activefacts-compositions-1.9.23

- old
+ new

@@ -13,11 +13,10 @@
 
 module ActiveFacts
   module Generators
     module ETL
       class Unidex
-
         MM = ActiveFacts::Metamodel unless const_defined?(:MM)
         def self.options
           # REVISIT: There's no way to support SQL dialect options here
           sql_trait = ActiveFacts::Generators::Traits::SQL
           Class.new.extend(sql_trait).  # Anonymous class to enable access to traits module instance methods
@@ -27,10 +26,16 @@
               dialect: [String, "SQL Dialect to use"]
             }
           )
         end
 
-        def initialize composition, options = {}
+        def self.compatibility
+          # REVISIT: Remove the dependency on the "persistent" option of the staging compositor.
+          [1, %i{relational}]   # one relational composition
+        end
+
+        def initialize constellation, composition, options = {}
+          @constellation = constellation
           @composition = composition
           @options = options
 
           @trait = ActiveFacts::Generators::Traits::SQL
           if @dialect = options.delete("dialect")