Add a native JSON data type support in MySQL

As of MySQL 5.7.8, MySQL supports a native JSON data type.

Example:

    create_table :json_data_type do |t|
      t.json :settings
    end

1 files changed, 1 insertions, 1 deletions

diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/oid/jsonb.rb b/activerecord/lib/active_record/connection_adapters/postgresql/oid/jsonb.rb
index 87391b5dc7..1f6d63582c 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql/oid/jsonb.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql/oid/jsonb.rb
@@ -2,7 +2,7 @@ module ActiveRecord
   module ConnectionAdapters
     module PostgreSQL
       module OID # :nodoc:
-        class Jsonb < Json # :nodoc:
+        class Jsonb < Type::Json # :nodoc:
           def type
             :jsonb
           end