FreeSql分页查询数据重复
分页查询如下
var ctx = fsql.CreateDbContext();
var students = ctx.Set<Student>()
.Where(t => t.Grade == 1)
.OrderBy(t => t.Name)
.Page(query.page, query.rows)
.ToList();
// SELECT * FROM student WHERE grade = 1 ORDER BY name LIMIT 10 OFFSET 0;
每页的查询结果本来应该互不相同,但实践中发现查询结果会在不同的页中重复出现
排序字段Student.Name有很多重复的值,排序结果不稳定
增加排序字段Id
var students = ctx.Set<Student>()
.Where(t => t.Grade == 1)
.OrderBy(t => t.Name)
.OrderBy(t => t.Id)
.Page(query.page, query.rows)
.ToList();
// SELECT * FROM student WHERE grade = 1 ORDER BY name, id LIMIT 10 OFFSET 0;

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