Fix column type discovery running too early

lib/modern_searchlogic/column_conditions.rb

@@ -6,7 +6,7 @@ def respond_to_missing?(method, *)
       end
 
       def valid_searchlogic_scope?(method)
-        return false if method =~ /^define_method_/
+        return false if connection.tables.empty? || method =~ /^define_method_/ || abstract_class?
 
         searchlogic_scope_dynamically_defined?(method) ||
           !!searchlogic_column_condition_method_block(method.to_s) ||
@@ -191,6 +191,7 @@ def column_names_regexp
       end
 
       def method_missing(method, *args, &block)
+        return super if connection.tables.empty? || abstract_class?
         return super unless dynamically_define_searchlogic_method(method)
 
         __send__(method, *args, &block)

spec/lib/modern_searchlogic/column_conditions_spec.rb

@@ -279,4 +279,28 @@
       User.not_active.all.should == [inactive]
     end
   end
+
+  context 'abstract class' do
+    it 'should not try to add searchlogic methods' do
+      class MyApplicationRecord < ActiveRecord::Base
+        self.abstract_class = true
+      end
+
+      MyApplicationRecord.should_not respond_to :id_eq
+    end
+
+    context 'extended by a non-abstract class' do
+      it 'should add searchlogic methods' do
+        class MyApplicationRecord < ActiveRecord::Base
+          self.abstract_class = true
+        end
+
+        class ScopedUser < MyApplicationRecord
+          self.table_name = 'users'
+        end
+
+        ScopedUser.should respond_to :id_eq
+      end
+    end
+  end
 end