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| -rw-r--r-- | guides/source/active_record_postgresql.md | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/guides/source/active_record_postgresql.md b/guides/source/active_record_postgresql.md index c0cc3bc69d..ae767769dd 100644 --- a/guides/source/active_record_postgresql.md +++ b/guides/source/active_record_postgresql.md @@ -10,6 +10,15 @@ To get started with PostgreSQL have a look at the [configuring Rails guide](configuring.html#configuring-a-postgresql-database). It describes how to properly setup Active Record for PostgreSQL. +After reading this guide, you will know: + + +* How to use PostgreSQL's datatypes. +* How to use UUID Primary keys. +* How to implement Full text search with PostgreSQL. + +-------------------------------------------------------------------------------- + Datatypes --------- @@ -99,7 +108,7 @@ profile.settings_will_change! profile.save! ``` -### Json +### JSON * [type definition](http://www.postgresql.org/docs/9.3/static/datatype-json.html) * [functions and operators](http://www.postgresql.org/docs/9.3/static/functions-json.html) @@ -129,7 +138,7 @@ Event.where("payload->'kind' = ?", "user_renamed") * [type definition](http://www.postgresql.org/docs/9.3/static/rangetypes.html) * [functions and operators](http://www.postgresql.org/docs/9.3/static/functions-range.html) -This type is mapped to Ruby [`Range`]() objects. +This type is mapped to Ruby [`Range`](http://www.ruby-doc.org/core-2.1.1/Range.html) objects. ```ruby # db/migrate/20130923065404_create_events.rb @@ -279,7 +288,7 @@ user.save! * [type definition](http://www.postgresql.org/docs/9.3/static/datatype-net-types.html) -The types `inet` and `cidr` are mapped to Ruby [`IPAddr`]() objects. The +The types `inet` and `cidr` are mapped to Ruby [`IPAddr`](http://www.ruby-doc.org/stdlib-2.1.1/libdoc/ipaddr/rdoc/IPAddr.html) objects. The `macaddr` type is mapped to normal text. ### Geometric Types |