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authorAidan Haran <aidanharan@yahoo.com>2017-12-09 13:41:02 +0000
committerGitHub <noreply@github.com>2017-12-09 13:41:02 +0000
commit66f34a8ea58c8c98d9cc2651d386c9e5a0789d08 (patch)
treed24e9014cf9045abc892ba97ac993e2e26e31c7e /activerecord/lib/active_record/collection_cache_key.rb
parent3291fa3630c456450f8c6a9b771f77c293d036cd (diff)
parent55d4cf2a9c1a6e77ed7aedb866e964039bb4a143 (diff)
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Merge branch 'master' into custom-discarded-job-handling
Diffstat (limited to 'activerecord/lib/active_record/collection_cache_key.rb')
-rw-r--r--activerecord/lib/active_record/collection_cache_key.rb3
1 files changed, 3 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/collection_cache_key.rb b/activerecord/lib/active_record/collection_cache_key.rb
index f3e6516414..88b398ad45 100644
--- a/activerecord/lib/active_record/collection_cache_key.rb
+++ b/activerecord/lib/active_record/collection_cache_key.rb
@@ -12,6 +12,9 @@ module ActiveRecord
timestamp = collection.max_by(&timestamp_column)._read_attribute(timestamp_column)
end
else
+ if collection.eager_loading?
+ collection = collection.send(:apply_join_dependency)
+ end
column_type = type_for_attribute(timestamp_column.to_s)
column = connection.column_name_from_arel_node(collection.arel_attribute(timestamp_column))
select_values = "COUNT(*) AS #{connection.quote_column_name("size")}, MAX(%s) AS timestamp"