Example 1 Example 2 Remarks See also In a query expression, the orderby clause causes the returned sequence or subsequence (group) to be sorted in either ascending or descending order. Multiple keys can be specified in order to perform one or more secondary sort operations. The sorting is...
Example 3: Sort results by column positions in a Select statement using SQL Order By clause In previous examples, we specified the column name in Order by clause to sort results in ascending or descending order. We can also specify column position in Order by clause. 1 2 3 4 5 6 7 8 ...
所以说，在我们逻辑层代码中，利用Example进行条件查询的时候，也可以将orderBy条件写上，具体代码如下：ublic List<Article> findAllArticles() { ArticleExample example = new ArticleExample(); example.setOrderByClause("`index` ASC,id ASC"); List<Article> list = articleMapper.selectByExample(...
This MySQL ORDER BY example would return all records sorted by thecityfield in descending order. Example - Sorting by relative position You can also use the MySQL ORDER BY clause to sort by relative position in the result set, where the first field in the result set is 1. The next field...
This Oracle ORDER BY example would return all records sorted by thesupplier_cityfield in ascending order and would be equivalent to the following ORDER BY clause: SELECT supplier_city FROM suppliers WHERE supplier_name = 'Microsoft' ORDER BY supplier_city ASC; ...
The ORDER BY clause contains a column or combination of columns that are guaranteed to be unique. See the example "Running multiple queries in a single transaction" in the Examples section later in this article. If consistent execution plans are important in your paging solution, consider using ...
先看问题。系统上使用Example的setOrderByClaus 偶尔 会出现一个BUG: 代码很简单了: public List<Banner> getBannerList() { Example example = new Example(Banner.class); example.setOrderByClause("sort LIMIT 5;"); return mapper.selectByExample(example); } 这种情况是偶尔才会出现,不是每次都会出现。
Example: Sort Group Data Copy SELECT dept_id AS "Department Id", COUNT(emp_id) AS "No of Employees" FROM employee GROUP BY dept_id ORDER BY dept_id DESC;Column alias can be used in the ORDER BY clause. The following query group by dept_id, where each dept_id gets many employees ...
当有多个排序字段时 // 查询结果先按`index`字段排序,如果相同,则按`AFTER_CHECK_TIME`排序example.setOrderByClause("`index` ASC,`AFTER_CHECK_TIME` ASC"); ©著作权归作者所有,转载或内容合作请联系作者 0人点赞 Mybatis 更多精彩内容,就在简书APP ...
For the case with multiple fields ORDER BY field2 WITH FILL, field1 WITH FILL order of filling will follow the order of fields in the ORDER BY clause. Example: SELECT toDate((number * 10) * 86400) AS d1, toDate(number * 86400) AS d2, 'original' AS sourceFROM numbers(10)WHERE ...