Add case sensitive regexp

Explicitly declare if this is case sensitive or not

currently postgres assumes case insensitive regexp
no other databases support regexps

1 files changed, 14 insertions, 0 deletions

diff --git a/lib/arel/nodes/regexp.rb b/lib/arel/nodes/regexp.rb
new file mode 100644
index 0000000000..784368f5bf
--- /dev/null
+++ b/lib/arel/nodes/regexp.rb
@@ -0,0 +1,14 @@
+module Arel
+  module Nodes
+    class Regexp < Binary
+      attr_accessor :case_sensitive
+
+      def initialize(left, right, case_sensitive = true)
+        super(left, right)
+        @case_sensitive = case_sensitive
+      end
+    end
+
+    class NotRegexp < Regexp; end
+  end
+end