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Merge pull request #11730 from neerajdotname/use_flat_map

use flat_map
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2 parents 50029ba + 1d0a306 commit fc2d79b6e259e62cc4eac8343e23ba777cb9a1b4 @senny senny committed
Showing with 1 addition and 1 deletion.
  1. +1 −1 activerecord/lib/active_record/associations/preloader/association.rb
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2 activerecord/lib/active_record/associations/preloader/association.rb
@@ -77,7 +77,7 @@ def associated_records_by_owner
# Some databases impose a limit on the number of ids in a list (in Oracle it's 1000)
# Make several smaller queries if necessary or make one query if the adapter supports it
sliced = owner_keys.each_slice(klass.connection.in_clause_length || owner_keys.size)
- records = sliced.map { |slice| records_for(slice).to_a }.flatten
+ records = sliced.flat_map { |slice| records_for(slice).to_a }
end
# Each record may have multiple owners, and vice-versa

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