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在不返回任何内容之间使用MySQL?

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  • Riley Fitzpatrick  · 技术社区  · 7 年前

    company_id

    数据库截图: enter image description here

    我的代码:

    // Create Calendar and Date objects
    Calendar calendar = Calendar.getInstance();
    java.sql.Date date = new java.sql.Date(calendar.getTime().getTime());
    
    // Get all datapoints from last week from this company's id
    query = "SELECT * FROM survey_data WHERE (company_id = ?) AND (date_entered BETWEEN ? + interval ? day AND ? + interval ? day)";
    preparedStatement = conn.prepareStatement(query);
    preparedStatement.setString(1, companyId);
    preparedStatement.setDate(2, date);
    preparedStatement.setInt(3, -Calendar.DAY_OF_WEEK - 6);
    preparedStatement.setDate(4, date);
    preparedStatement.setInt(5, -Calendar.DAY_OF_WEEK);
    resultSet = preparedStatement.executeQuery();
    
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