1 files changed, 8 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
index a56ef91d07..f7b053aec6 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
@@ -215,6 +215,8 @@ module ActiveRecord
           # Character types
           when /^(?:character varying|bpchar)(?:\(\d+\))?$/
             :string
+          when /^citext(?:\(\d+\))?$/
+            :citext
           # Binary data types
           when 'bytea'
             :binary
@@ -393,6 +395,10 @@ module ActiveRecord
           column name, type, options
         end
 
+        def citext(name, options = {})
+          column(name, 'citext', options)
+        end
+
         def column(name, type = nil, options = {})
           super
           column = self[name]
@@ -441,7 +447,8 @@ module ActiveRecord
         macaddr:     { name: "macaddr" },
         uuid:        { name: "uuid" },
         json:        { name: "json" },
-        ltree:       { name: "ltree" }
+        ltree:       { name: "ltree" },
+        citext:      { name: "citext" }
       }
 
       include Quoting