1 files changed, 24 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/oid/array.rb b/activerecord/lib/active_record/connection_adapters/postgresql/oid/array.rb
new file mode 100644
index 0000000000..0e9dcd8c0c
--- /dev/null
+++ b/activerecord/lib/active_record/connection_adapters/postgresql/oid/array.rb
@@ -0,0 +1,24 @@
+module ActiveRecord
+  module ConnectionAdapters
+    module PostgreSQL
+      module OID # :nodoc:
+        class Array < Type::Value
+          attr_reader :subtype
+          delegate :type, to: :subtype
+
+          def initialize(subtype)
+            @subtype = subtype
+          end
+
+          def type_cast(value)
+            if ::String === value
+              ConnectionAdapters::PostgreSQLColumn.string_to_array value, @subtype
+            else
+              value
+            end
+          end
+        end
+      end
+    end
+  end
+end