removing more duplication

3 files changed, 0 insertions, 112 deletions

diff --git a/lib/arel/engines/memory/primitives.rb b/lib/arel/engines/memory/primitives.rb
index 935b34f5ee..0c9471fb49 100644
--- a/lib/arel/engines/memory/primitives.rb
+++ b/lib/arel/engines/memory/primitives.rb
@@ -10,18 +10,4 @@ module Arel
       value
     end
   end
-
-  class Ordering
-    def eval(row1, row2)
-      (attribute.eval(row1) <=> attribute.eval(row2)) * direction
-    end
-  end
-
-  class Descending < Ordering
-    def direction; -1 end
-  end
-
-  class Ascending < Ordering
-    def direction; 1 end
-  end
 end
diff --git a/lib/arel/engines/sql.rb b/lib/arel/engines/sql.rb
index 686078826c..438d028606 100644
--- a/lib/arel/engines/sql.rb
+++ b/lib/arel/engines/sql.rb
@@ -1,7 +1,6 @@
 require 'arel/engines/sql/attributes'
 require 'arel/engines/sql/engine'
 require 'arel/engines/sql/relations'
-require 'arel/engines/sql/primitives'
 require 'arel/engines/sql/formatters'
 require 'arel/engines/sql/core_extensions'
 require 'arel/engines/sql/christener'
diff --git a/lib/arel/engines/sql/primitives.rb b/lib/arel/engines/sql/primitives.rb
deleted file mode 100644
index 1b215d2b54..0000000000
--- a/lib/arel/engines/sql/primitives.rb
+++ /dev/null
@@ -1,97 +0,0 @@
-module Arel
-  class SqlLiteral < String
-    def relation
-      nil
-    end
-
-    def to_sql(formatter = nil)
-      self
-    end
-
-    include Attribute::Expressions
-  end
-
-  class Attribute
-    def column
-      original_relation.column_for(self)
-    end
-
-    def format(object)
-      object.to_sql(Sql::Attribute.new(self))
-    end
-
-    def to_sql(formatter = Sql::WhereCondition.new(relation))
-      formatter.attribute self
-    end
-  end
-
-  class Value
-    def inclusion_predicate_sql
-      value.inclusion_predicate_sql
-    end
-
-    def exclusion_predicate_sql
-      value.exclusion_predicate_sql
-    end
-
-    def equality_predicate_sql
-      value.equality_predicate_sql
-    end
-
-    def inequality_predicate_sql
-      value.inequality_predicate_sql
-    end
-
-    def to_sql(formatter = Sql::WhereCondition.new(relation))
-      formatter.value value
-    end
-
-    def format(object)
-      object.to_sql(Sql::Value.new(relation))
-    end
-  end
-
-  class Ordering
-    def to_sql(formatter = Sql::OrderClause.new(relation))
-      formatter.ordering self
-    end
-  end
-
-  class Ascending < Ordering
-    def direction_sql; 'ASC' end
-  end
-
-  class Descending < Ordering
-    def direction_sql; 'DESC' end
-  end
-
-  class Expression < Attribute
-    def to_sql(formatter = Sql::SelectClause.new(relation))
-      formatter.expression self
-    end
-  end
-
-  class Count < Expression
-    def function_sql; 'COUNT' end
-  end
-
-  class Distinct < Expression
-    def function_sql; 'DISTINCT' end
-  end
-
-  class Sum < Expression
-    def function_sql; 'SUM' end
-  end
-
-  class Maximum < Expression
-    def function_sql; 'MAX' end
-  end
-
-  class Minimum < Expression
-    def function_sql; 'MIN' end
-  end
-
-  class Average < Expression
-    def function_sql; 'AVG' end
-  end
-end