generate_primary_key_table

# File activerecord/lib/active_record/associations.rb, line 925
        def generate_primary_key_table(reflections, schema_abbreviations)
          primary_key_lookup_table = {}
          primary_key_lookup_table[table_name] = 
            schema_abbreviations.find { |cn, tc| tc == [ table_name, primary_key ] }.first

          reflections.collect do |reflection| 
            primary_key_lookup_table[reflection.klass.table_name] = schema_abbreviations.find { |cn, tc| 
              tc == [ reflection.klass.table_name, reflection.klass.primary_key ]
            }.first
          end
          
          return primary_key_lookup_table
        end