Don't try to create the same table twice. The DB really doesn't like …

…that. :) [#4]

lib/ruby/data_table_model.rb

@@ -10,7 +10,7 @@ def initialize(filename)
 
     # Yes, this is a placeholder table. We'll make this more flexible shortly.
     cols = column_count
-    @db.create_table :table do
+    @db.create_table? :table do
       primary_key :id
       1.upto(cols).each do |c|
         String "column_#{c}"

spec/data_table_model_spec.rb

@@ -25,6 +25,12 @@
     it "should give a new table two columns" do
       DataTableModel.new(File.join @tmpdir, 'Columns').column_count.should == 2
     end
+
+    it "should not try to create a data table that already exists" do
+      filename = File.join @tmpdir, 'Duplicate table'
+      DataTableModel.new filename
+      lambda {DataTableModel.new filename}.should_not raise_error
+    end
   end
 
   describe "instance methods" do