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【Rails】 日時がそれぞれのカラムを持っているときの検索方法

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日時がそれぞれのカラムを持っているときの検索方法

日付および時間がそれぞれ文字列としてDBに格納されている時の検索方法をメモとして残します。

start_datetime = '2020/12/22 23:35'
scope = Post.all

start_date, start_time = start_datetime.split(' ')
# 該当する日付以降のものを抽出
scope = scope.where('start_date >= ?', start_date)
# start_date が等しい時の該当しない時間を除去
scope = scope.where.not('start_date = ? AND start_time < ?', start_date, start_time)

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