Merge branch 'master' into adequaterecord

* master: (32 commits)
  Typo fix for unscope
  Use the reference for the mime type to get the format
  Preparing for 4.1.0.beta2 release
  Correctly escape PostgreSQL arrays.
  Escape format, negative_format and units options of number helpers
  Sync 4.1 release notes with changes since 7f648bc7 [ci skip]
  Update upgrading guide regarding `render :text`
  Add `#no_content_type` attribute to `AD::Response`
  Add missing CHANGELOG entry to Action View
  Update guides for new rendering options
  Cleanup `ActionController::Rendering`
  Fix a fragile test on `action_view/render`
  Introduce `render :html` for render HTML string
  Introduce `render :plain` for render plain text
  Update hash format for render_text_test
  Introduce `render :body` for render raw content
  Don't use `# =>` when it is not the expression values
  Fix the column name [ci skip]
  Document the default scopes change on the release notes, CHANGELOG and upgrating guides
  Move changelog entry to the top, fix examples indent [ci skip]
  ...

1 files changed, 12 insertions, 12 deletions

diff --git a/guides/source/active_record_querying.md b/guides/source/active_record_querying.md
index d164b08d93..4900f176a6 100644
--- a/guides/source/active_record_querying.md
+++ b/guides/source/active_record_querying.md
@@ -707,7 +707,7 @@ You can additionally unscope specific where clauses. For example:
 
 ```ruby
 Post.where(id: 10, trashed: false).unscope(where: :id)
-# => SELECT "posts".* FROM "posts" WHERE trashed = 0
+# SELECT "posts".* FROM "posts" WHERE trashed = 0
 ```
 
 A relation which has used `unscope` will affect any relation it is
@@ -715,7 +715,7 @@ merged in to:
 
 ```ruby
 Post.order('id asc').merge(Post.unscope(:order))
-# => SELECT "posts".* FROM "posts"
+# SELECT "posts".* FROM "posts"
 ```
 
 ### `only`
@@ -1242,26 +1242,26 @@ class User < ActiveRecord::Base
 end
 
 User.active.inactive
-# => SELECT "users".* FROM "users" WHERE "users"."state" = 'active' AND "users"."state" = 'inactive'
+# SELECT "users".* FROM "users" WHERE "users"."state" = 'active' AND "users"."state" = 'inactive'
 ```
 
 We can mix and match `scope` and `where` conditions and the final sql
-will have all conditions joined with `AND` .
+will have all conditions joined with `AND`.
 
 ```ruby
 User.active.where(state: 'finished')
-# => SELECT "users".* FROM "users" WHERE "users"."state" = 'active' AND "users"."state" = 'finished'
+# SELECT "users".* FROM "users" WHERE "users"."state" = 'active' AND "users"."state" = 'finished'
 ```
 
 If we do want the `last where clause` to win then `Relation#merge` can
-be used .
+be used.
 
 ```ruby
 User.active.merge(User.inactive)
-# => SELECT "users".* FROM "users" WHERE "users"."state" = 'inactive'
+# SELECT "users".* FROM "users" WHERE "users"."state" = 'inactive'
 ```
 
-One important caveat is that `default_scope` will be overridden by
+One important caveat is that `default_scope` will be prepended in
 `scope` and `where` conditions.
 
 ```ruby
@@ -1272,16 +1272,16 @@ class User < ActiveRecord::Base
 end
 
 User.all
-# => SELECT "users".* FROM "users" WHERE "users"."state" = 'pending'
+# SELECT "users".* FROM "users" WHERE "users"."state" = 'pending'
 
 User.active
-# => SELECT "users".* FROM "users" WHERE "users"."state" = 'active'
+# SELECT "users".* FROM "users" WHERE "users"."state" = 'pending' AND "users"."state" = 'active'
 
 User.where(state: 'inactive')
-# => SELECT "users".* FROM "users" WHERE "users"."state" = 'inactive'
+# SELECT "users".* FROM "users" WHERE "users"."state" = 'pending' AND "users"."state" = 'inactive'
 ```
 
-As you can see above the `default_scope` is being overridden by both
+As you can see above the `default_scope` is being merged in both
 `scope` and `where` conditions.