lib/quandl/format/dataset/attributes.rb in quandl_format-0.2.2 vs lib/quandl/format/dataset/attributes.rb in quandl_format-0.2.3

@@ -49,11 +49,11 @@
     self.source_code = value[0]
     self.code = value[1]
   end
 
   def full_code
-    [source_code, code].join('/')
+    [source_code, code].collect{|v| v.blank? ? nil : v }.compact.join('/')
   end
 
   def description=(value)
     @description = value.to_s.gsub('\n', "\n")
   end
@@ -63,10 +63,14 @@
     self.column_names = @data.headers if @data.headers.present?
     data_row_count_should_match_column_count!
     data_rows_should_have_equal_columns!
     @data
   end
+  
+  def column_names
+    @column_names ||= []
+  end
 
   def column_names=(names)
     @column_names = Array(names).flatten.collect{|n| n.strip.rstrip }
   end
 
@@ -83,9 +87,10 @@
   end
 
   protected
   
   def data_rows_should_have_equal_columns!
+    return if data.blank?
     row_count = data[0].count
     data.each_with_index do |row, index|
       raise_row_column_mismatch!(row, index) unless row.count == row_count
     end
   end
\ No newline at end of file