[Fix rubocop#403] Mark Rails/WhereEquals as unsafe auto-correction

Fixes rubocop#403 and rubocop#418.

This PR marks `Rails/WhereEquals` as unsafe auto-correction.

CHANGELOG.md

@@ -28,10 +28,12 @@
 * [#444](https://github.com/rubocop/rubocop-rails/issues/444): Mark `Rails/Blank` as unsafe auto-correction. ([@koic][])
 * [#451](https://github.com/rubocop/rubocop-rails/issues/451): Make `Rails/RelativeDateConstant` aware of `yesterday` and `tomorrow` methods. ([@koic][])
 * [#454](https://github.com/rubocop/rubocop-rails/pull/454): Mark `Rails/WhereExists` as unsafe auto-correction. ([@koic][])
+* [#403](https://github.com/rubocop/rubocop-rails/pull/403): Mark `Rails/WhereEquals` as unsafe auto-correction. ([@koic][])
 * [#379](https://github.com/rubocop/rubocop-rails/issues/379): Mark `Rails/DynamicFindBy` as unsafe. ([@koic][])
 * [#456](https://github.com/rubocop/rubocop-rails/pull/456): Drop Ruby 2.4 support. ([@koic][])
 * [#462](https://github.com/rubocop/rubocop-rails/pull/462): Require RuboCop 1.7 or higher. ([@koic][])
 
+
 ## 2.9.1 (2020-12-16)
 
 ### Bug fixes

config/default.yml

@@ -782,7 +782,9 @@ Rails/WhereEquals:
   Description: 'Pass conditions to `where` as a hash instead of manually constructing SQL.'
   StyleGuide: 'https://rails.rubystyle.guide/#hash-conditions'
   Enabled: 'pending'
+  SafeAutoCorrect: false
   VersionAdded: '2.9'
+  VersionChanged: '2.10'
 
 Rails/WhereExists:
   Description: 'Prefer `exists?(...)` over `where(...).exists?`.'

docs/modules/ROOT/pages/cops_rails.adoc

@@ -4585,9 +4585,9 @@ validates :foo, uniqueness: true
 
 | Pending
 | Yes
-| Yes
+| Yes (Unsafe)
 | 2.9
-| -
+| 2.10
 |===
 
 This cop identifies places where manually constructed SQL