README.md in sequel_pg_ltree-0.1.7 vs README.md in sequel_pg_ltree-0.1.8

@@ -1,11 +1,10 @@
 # SequelPgLtree
 
-Welcome to your new gem! In this directory, you'll find the files you need to be able to package up your Ruby library into a gem. Put your Ruby code in the file `lib/sequel_pg_ltree`. To experiment with that code, run `bin/console` for an interactive prompt.
+## notice
+Sequel ORM postgresql ltree helper inspired by https://github.com/sjke/pg_ltree
 
-TODO: Delete this and the text above, and describe your gem
-
 ## Installation
 
 Add this line to your application's Gemfile:
 
 ```ruby
@@ -20,24 +19,32 @@
 
     $ gem install sequel_pg_ltree
 
 ## Usage
 
-TODO: Write usage instructions here
+```sql
+ id | path
+----+-------
+  1 | A
+  2 | A.B
+  3 | A.C
+  4 | A.C.D
+  5 | A.C.E
+  6 | A.C.F
+  7 | A.B.G
+```
 
-## Development
+```ruby
+class Tree < Sequel::Model(:tree)
+  plugin :pg_ltree, :column => :path
+end
 
-After checking out the repo, run `bin/setup` to install dependencies. Then, run `rake spec` to run the tests. You can also run `bin/console` for an interactive prompt that will allow you to experiment.
+Tree.find(id: 2).root.path # => A
+Tree.find(id: 2).parent.path # => A
+Tree.where(id: 1).first.children.each do |c|
+  c[:path]
+end # => A.B  A.C
 
-To install this gem onto your local machine, run `bundle exec rake install`. To release a new version, update the version number in `version.rb`, and then run `bundle exec rake release`, which will create a git tag for the version, push git commits and tags, and push the `.gem` file to [rubygems.org](https://rubygems.org).
+```
 
-## Contributing
-
-Bug reports and pull requests are welcome on GitHub at https://github.com/[USERNAME]/sequel_pg_ltree. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the [Contributor Covenant](http://contributor-covenant.org) code of conduct.
-
-## License
-
-The gem is available as open source under the terms of the [MIT License](https://opensource.org/licenses/MIT).
-
-## Code of Conduct
-
-Everyone interacting in the SequelPgLtree project’s codebases, issue trackers, chat rooms and mailing lists is expected to follow the [code of conduct](https://github.com/[USERNAME]/sequel_pg_ltree/blob/master/CODE_OF_CONDUCT.md).
+## TODO
+tests should be added
\ No newline at end of file