select实战#130
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🎉 感谢提交Pull Request！请稍等片刻，我们已经将其提交到CI进行检查，一旦有结果会立即通知您！ 我们不鼓励同时打开多个Pull Request，请集中精力于现在的这个Pull Request，谢谢！:pray: |
hcsp-bot
reviewed
May 31, 2020
| import java.sql.Connection; | ||
| import java.sql.DriverManager; | ||
| import java.sql.SQLException; | ||
| import java.sql.*; |
Contributor
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不应使用 '.*' 形式的导入 - java.sql.* 。
| public static List<GoodsAndGmv> getGoodsAndGmv(Connection databaseConnection) throws SQLException { | ||
| return null; | ||
| List<GoodsAndGmv> goodsAndGmvList = new ArrayList<>(); | ||
| try (PreparedStatement statement = databaseConnection.prepareStatement("select GOODS_ID, GOODS.NAME, sum(GOODS_NUM * GOODS_PRICE) as total\n" + |
| return null; | ||
| List<GoodsAndGmv> goodsAndGmvList = new ArrayList<>(); | ||
| try (PreparedStatement statement = databaseConnection.prepareStatement("select GOODS_ID, GOODS.NAME, sum(GOODS_NUM * GOODS_PRICE) as total\n" + | ||
| "from `ORDER`\n" + |
| List<GoodsAndGmv> goodsAndGmvList = new ArrayList<>(); | ||
| try (PreparedStatement statement = databaseConnection.prepareStatement("select GOODS_ID, GOODS.NAME, sum(GOODS_NUM * GOODS_PRICE) as total\n" + | ||
| "from `ORDER`\n" + | ||
| " join GOODS on `ORDER`.GOODS_ID = GOODS.ID\n" + |
| try (PreparedStatement statement = databaseConnection.prepareStatement("select GOODS_ID, GOODS.NAME, sum(GOODS_NUM * GOODS_PRICE) as total\n" + | ||
| "from `ORDER`\n" + | ||
| " join GOODS on `ORDER`.GOODS_ID = GOODS.ID\n" + | ||
| "group by GOODS_ID\n" + |
| return null; | ||
| List<Order> orderList = new ArrayList<>(); | ||
| try (PreparedStatement statement = databaseConnection.prepareStatement("select \"ORDER\".ID, U.NAME, G.NAME, GOODS_NUM * GOODS_PRICE\n" + | ||
| "from `ORDER`\n" + |
| List<Order> orderList = new ArrayList<>(); | ||
| try (PreparedStatement statement = databaseConnection.prepareStatement("select \"ORDER\".ID, U.NAME, G.NAME, GOODS_NUM * GOODS_PRICE\n" + | ||
| "from `ORDER`\n" + | ||
| " join USER U on `ORDER`.USER_ID = U.ID\n" + |
| public static List<Order> getLeftJoinOrders(Connection databaseConnection) throws SQLException { | ||
| return null; | ||
| List<Order> orderList = new ArrayList<>(); | ||
| try (PreparedStatement statement = databaseConnection.prepareStatement("select \"ORDER\".ID, U.NAME, G.NAME, GOODS_NUM * GOODS_PRICE\n" + |
| return null; | ||
| List<Order> orderList = new ArrayList<>(); | ||
| try (PreparedStatement statement = databaseConnection.prepareStatement("select \"ORDER\".ID, U.NAME, G.NAME, GOODS_NUM * GOODS_PRICE\n" + | ||
| "from `ORDER`\n" + |
| List<Order> orderList = new ArrayList<>(); | ||
| try (PreparedStatement statement = databaseConnection.prepareStatement("select \"ORDER\".ID, U.NAME, G.NAME, GOODS_NUM * GOODS_PRICE\n" + | ||
| "from `ORDER`\n" + | ||
| " left join USER U on `ORDER`.USER_ID = U.ID\n" + |
Contributor
|
你的提交 b4edcf3 ，似乎失败了：Your tests failed on CircleCI 😅 请不要气馁，仔细分析原因，再接再厉！ |
1 similar comment
Contributor
|
你的提交 b4edcf3 ，似乎失败了：Your tests failed on CircleCI 😅 请不要气馁，仔细分析原因，再接再厉！ |
Contributor
|
你的提交 3e27a52 ，似乎失败了：Your tests failed on CircleCI 😅 请不要气馁，仔细分析原因，再接再厉！ |
1 similar comment
Contributor
|
你的提交 3e27a52 ，似乎失败了：Your tests failed on CircleCI 😅 请不要气馁，仔细分析原因，再接再厉！ |
Contributor
|
恭喜你，你的提交 f0fb091 已经通过我们的CI检查：Your tests passed on CircleCI! 👍 它会被自动merge后revert。请不要骄傲，继续挑战！ |
hcsp-bot
reviewed
May 31, 2020
| " left join GOODS G on `ORDER`.GOODS_ID = G.ID")) { | ||
| ResultSet resultSet = statement.executeQuery(); | ||
| while (resultSet.next()) { | ||
| Order order = new Order(); |
Contributor
There was a problem hiding this comment.
你看这个方法是不是和getInnerJoinOrders有大量的代码重复？考虑过抽取一个公用方法出来么？
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SQL语言SELECT实战