| タイプ: | bool |
| デフォルト: | on |
| コンテキスト: | user |
| 再起動: | false |
問い合わせプランナがハッシュ結合計画型を選択することを有効もしくは無効にします。デフォルトはonです。
推奨事項 [EN]
For interactive session use only when troubleshooting queries.
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