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ActionCable using PostgreSQL adapter

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ActionCableのadapterにPostgreSQLが使えるようだったのだが、設定がまったく見当たなかったのでソースを見たところ、ActiveRecordのコネクションを利用するようになっていて、要するにActionCable独自の設定は不要だった。分けられないという見方もできるけど、まあ分けるぐらいならredisを使うと思うのでシンプルで充分。

ちなみに設定は以下の通り。

development:
  adapter: postgresql
test:
  adapter: postgresql
production:
  adapter: postgresql

簡単ですね!ほとんど出オチですみません。

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