active_record_distinct_on 1.4.0
ActiveRecordDistinctOn adds support for `DISTINCT ON` to ActiveRecord. At the time of this writing, PostgreSQL is the only database which supports this syntax; however, this gem has been written with database independence in mind so that if another Arel visitor adds support for `Arel::Nodes::DistinctOn` in the future, it should work seamlessly.
Gemfile:
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インストール:
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Runtime依存関係 (1):
activerecord
>= 5.2, < 7.1