参加ルームデータ用WHERE句を取得するSQLで、DBインデックスを使うように修正 #138
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#137
バグ修正のプルリクエストです。
ご確認の上、マージお願いします。
動作確認
// 会員数: 16000程度
// プライベートルーム:一般=利用する
// pages: 16655件
修正前
(64 total, クエリの実行時間 6.0291 秒)
↓
修正後
(64 total, クエリの実行時間 0.0128 秒)
修正前explain
修正後explain