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authorAaron Patterson <aaron.patterson@gmail.com>2014-05-27 10:29:59 -0700
committerAaron Patterson <aaron.patterson@gmail.com>2014-05-27 10:29:59 -0700
commit85bfb08c1ad74454ddf17b60d2d5ae3429b87d2b (patch)
treed5e69cbfa8cca81e2fc3109335768cff16370051 /activerecord/lib/active_record/associations
parent52434e9a512477d632b492793bcae5b4732ea689 (diff)
parentc917fb7c35c8ef0f48963f44059e7088430bb2d0 (diff)
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Merge pull request #14834 from al2o3cr/issue14155
Correctly alias table names when joining more than once
Diffstat (limited to 'activerecord/lib/active_record/associations')
-rw-r--r--activerecord/lib/active_record/associations/alias_tracker.rb12
1 files changed, 11 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/associations/alias_tracker.rb b/activerecord/lib/active_record/associations/alias_tracker.rb
index 85109aee6c..a6a1947148 100644
--- a/activerecord/lib/active_record/associations/alias_tracker.rb
+++ b/activerecord/lib/active_record/associations/alias_tracker.rb
@@ -32,8 +32,18 @@ module ActiveRecord
join.left.downcase.scan(
/join(?:\s+\w+)?\s+(\S+\s+)?#{quoted_name}\son/
).size
- else
+ elsif join.respond_to? :left
join.left.table_name == name ? 1 : 0
+ else
+ # this branch is reached by two tests:
+ #
+ # activerecord/test/cases/associations/cascaded_eager_loading_test.rb:37
+ # with :posts
+ #
+ # activerecord/test/cases/associations/eager_test.rb:1133
+ # with :comments
+ #
+ 0
end
end