6 files changed, 164 insertions, 4 deletions

diff --git a/lib/arel/attributes/attribute.rb b/lib/arel/attributes/attribute.rb
index b5698a3f1d..25ffe717b2 100644
--- a/lib/arel/attributes/attribute.rb
+++ b/lib/arel/attributes/attribute.rb
@@ -7,16 +7,24 @@ module Arel
         Nodes::NotEqual.new self, other
       end
 
+      def not_eq_any others
+        grouping_any :not_eq, others
+      end
+
+      def not_eq_all others
+        grouping_all :not_eq, others
+      end
+
       def eq other
         Nodes::Equality.new self, other
       end
 
       def eq_any others
-        first = Nodes::Equality.new self, others.shift
+        grouping_any :eq, others
+      end
 
-        Nodes::Grouping.new others.inject(first) { |memo,expr|
-          Nodes::Or.new(memo, Nodes::Equality.new(self, expr))
-        }
+      def eq_all others
+        grouping_all :eq, others
       end
 
       def in other
@@ -36,13 +44,130 @@ module Arel
         end
       end
 
+      def in_any others
+        grouping_any :in, others
+      end
+
+      def in_all others
+        grouping_all :in, others
+      end
+
+      def not_in other
+        case other
+        when Arel::SelectManager
+          Nodes::NotIn.new self, other.to_a.map { |x| x.id }
+        when Range
+          if other.exclude_end?
+            left  = Nodes::LessThan.new(self, other.min)
+            right = Nodes::GreaterThanOrEqual.new(self, other.max)
+            Nodes::Or.new left, right
+          else
+            left  = Nodes::LessThan.new(self, other.min)
+            right = Nodes::GreaterThan.new(self, other.max)
+            Nodes::Or.new left, right
+          end
+        else
+          Nodes::NotIn.new self, other
+        end
+      end
+
+      def not_in_any others
+        grouping_any :not_in, others
+      end
+
+      def not_in_all others
+        grouping_all :not_in, others
+      end
+
+      def matches other
+        Nodes::Matches.new self, other
+      end
+
+      def matches_any others
+        grouping_any :matches, others
+      end
+
+      def matches_all others
+        grouping_all :matches, others
+      end
+
+      def does_not_match other
+        Nodes::DoesNotMatch.new self, other
+      end
+
+      def does_not_match_any others
+        grouping_any :does_not_match, others
+      end
+
+      def does_not_match_all others
+        grouping_all :does_not_match, others
+      end
+
       def gteq right
         Nodes::GreaterThanOrEqual.new self, right
       end
 
+      def gteq_any others
+        grouping_any :gteq, others
+      end
+
+      def gteq_all others
+        grouping_all :gteq, others
+      end
+
       def gt right
         Nodes::GreaterThan.new self, right
       end
+
+      def gt_any others
+        grouping_any :gt, others
+      end
+
+      def gt_all others
+        grouping_all :gt, others
+      end
+
+      def lt right
+        Nodes::LessThan.new self, right
+      end
+
+      def lt_any others
+        grouping_any :lt, others
+      end
+
+      def lt_all others
+        grouping_all :lt, others
+      end
+
+      def lteq right
+        Nodes::LessThanOrEqual.new self, right
+      end
+
+      def lteq_any others
+        grouping_any :lteq, others
+      end
+
+      def lteq_all others
+        grouping_all :lteq, others
+      end
+
+      private
+
+      def grouping_any method_id, others
+        first = send method_id, others.shift
+
+        Nodes::Grouping.new others.inject(first) { |memo,expr|
+          Nodes::Or.new(memo, send(method_id, expr))
+        }
+      end
+
+      def grouping_all method_id, others
+        first = send method_id, others.shift
+
+        Nodes::Grouping.new others.inject(first) { |memo,expr|
+          Nodes::And.new(memo, send(method_id, expr))
+        }
+      end
     end
 
     class String  < Attribute; end
diff --git a/lib/arel/nodes.rb b/lib/arel/nodes.rb
index 6ed05fb31b..0063ed1cd5 100644
--- a/lib/arel/nodes.rb
+++ b/lib/arel/nodes.rb
@@ -10,8 +10,11 @@ require 'arel/nodes/greater_than'
 require 'arel/nodes/greater_than_or_equal'
 require 'arel/nodes/less_than'
 require 'arel/nodes/less_than_or_equal'
+require 'arel/nodes/matches'
+require 'arel/nodes/does_not_match'
 
 require 'arel/nodes/in'
+require 'arel/nodes/not_in'
 require 'arel/nodes/lock'
 require 'arel/nodes/function'
 require 'arel/nodes/count'
diff --git a/lib/arel/nodes/does_not_match.rb b/lib/arel/nodes/does_not_match.rb
new file mode 100644
index 0000000000..b5693df711
--- /dev/null
+++ b/lib/arel/nodes/does_not_match.rb
@@ -0,0 +1,6 @@
+module Arel
+  module Nodes
+    class DoesNotMatch < Binary
+    end
+  end
+end
diff --git a/lib/arel/nodes/matches.rb b/lib/arel/nodes/matches.rb
new file mode 100644
index 0000000000..4b9fd34ad1
--- /dev/null
+++ b/lib/arel/nodes/matches.rb
@@ -0,0 +1,6 @@
+module Arel
+  module Nodes
+    class Matches < Binary
+    end
+  end
+end
diff --git a/lib/arel/nodes/not_in.rb b/lib/arel/nodes/not_in.rb
new file mode 100644
index 0000000000..6cb2c6f832
--- /dev/null
+++ b/lib/arel/nodes/not_in.rb
@@ -0,0 +1,6 @@
+module Arel
+  module Nodes
+    class NotIn < Binary
+    end
+  end
+end
diff --git a/lib/arel/visitors/to_sql.rb b/lib/arel/visitors/to_sql.rb
index fc821a0ddb..7f9186d28c 100644
--- a/lib/arel/visitors/to_sql.rb
+++ b/lib/arel/visitors/to_sql.rb
@@ -161,6 +161,14 @@ module Arel
         "#{visit o.left} < #{visit o.right}"
       end
 
+      def visit_Arel_Nodes_Matches o
+        "#{visit o.left} LIKE #{visit o.right}"
+      end
+
+      def visit_Arel_Nodes_DoesNotMatch o
+        "#{visit o.left} NOT LIKE #{visit o.right}"
+      end
+
       def visit_Arel_Nodes_StringJoin o
         "#{visit o.left} #{visit o.right}"
       end
@@ -191,6 +199,12 @@ module Arel
         "#{visit o.left} IN (#{right})"
       end
 
+      def visit_Arel_Nodes_NotIn o
+        right = o.right
+        right = right.empty? ? 'NULL' : right.map { |x| visit x }.join(', ')
+        "#{visit o.left} NOT IN (#{right})"
+      end
+
       def visit_Arel_Nodes_And o
         "#{visit o.left} AND #{visit o.right}"
       end