diff options
Diffstat (limited to 'guides/source/active_record_postgresql.md')
| -rw-r--r-- | guides/source/active_record_postgresql.md | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/guides/source/active_record_postgresql.md b/guides/source/active_record_postgresql.md index 6d07291b07..8543fcd20f 100644 --- a/guides/source/active_record_postgresql.md +++ b/guides/source/active_record_postgresql.md @@ -84,7 +84,7 @@ Book.where("array_length(ratings, 1) >= 3") ### Hstore * [type definition](http://www.postgresql.org/docs/current/static/hstore.html) -* [functions and operators](http://www.postgresql.org/docs/current/static/hstore.html#AEN167712) +* [functions and operators](http://www.postgresql.org/docs/current/static/hstore.html#AEN179902) NOTE: You need to enable the `hstore` extension to use hstore. @@ -114,16 +114,21 @@ Profile.where("settings->'color' = ?", "yellow") # => #<ActiveRecord::Relation [#<Profile id: 1, settings: {"color"=>"yellow", "resolution"=>"1280x1024"}>]> ``` -### JSON +### JSON and JSONB * [type definition](http://www.postgresql.org/docs/current/static/datatype-json.html) * [functions and operators](http://www.postgresql.org/docs/current/static/functions-json.html) ```ruby # db/migrate/20131220144913_create_events.rb +# ... for json datatype: create_table :events do |t| t.json 'payload' end +# ... or for jsonb datatype: +create_table :events do |t| + t.jsonb 'payload' +end # app/models/event.rb class Event < ApplicationRecord @@ -285,7 +290,7 @@ SELECT n.nspname AS enum_schema, ### UUID * [type definition](http://www.postgresql.org/docs/current/static/datatype-uuid.html) -* [pgcrypto generator function](http://www.postgresql.org/docs/current/static/pgcrypto.html#AEN159361) +* [pgcrypto generator function](http://www.postgresql.org/docs/current/static/pgcrypto.html#AEN182570) * [uuid-ossp generator functions](http://www.postgresql.org/docs/current/static/uuid-ossp.html) NOTE: You need to enable the `pgcrypto` (only PostgreSQL >= 9.4) or `uuid-ossp` |