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@@ -55,11 +55,6 @@ And some basic model declarations...
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 = All columns
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-Records where admin is not null, or where it is null...
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-
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-  User.admin_present
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-  User.admin_missing
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-
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 Records where approved_at is not null, or where it is null...
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   User.approved_at_present

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@@ -20,6 +20,10 @@ module Pacecar
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         columns.select { |column| types.include? column.type }.collect(&:name)
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       end
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+      def column_names_without_type(*types)
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+        columns.select { |column| ! types.include? column.type }.collect(&:name)
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+      end
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+
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       def boolean_column_names
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         column_names_for_type :boolean
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       end

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@@ -12,7 +12,7 @@ module Pacecar
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       protected
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       def define_presence_scopes
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-        column_names.each do |name|
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+        column_names_without_type(:boolean).each do |name|
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           named_scope "#{name}_present".to_sym, :conditions => "#{quoted_table_name}.#{name} is not null"
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           named_scope "#{name}_missing".to_sym, :conditions => "#{quoted_table_name}.#{name} is null"
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         end

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@@ -17,6 +17,10 @@ class PresenceTest < Test::Unit::TestCase
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         proxy_options = { :conditions => '"users".first_name is null' }
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         assert_equal proxy_options, @class.first_name_missing.proxy_options
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       end
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+      should "not setup methods for boolean columns" do
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+        assert ! @class.respond_to?(:admin_missing)
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+        assert ! @class.respond_to?(:admin_present)
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+      end
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     end
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   end
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