MySQL 查询如何在两天之间获得最近的下一天?


以下是语法 -

select * from yourTableName
order by ( yourColumnName> now()) desc, (case when yourColumnName > now() then yourColumnName end) ,
   yourColumnName  desc
limit 1;

让我们先创建一个表 -

mysql> create table DemoTable1454
   -> (
   -> ShippingDate date
   -> );
Query OK, 0 rows affected (0.59 sec)

使用 insert 命令在表中插入一些记录 -

mysql> insert into DemoTable1454 values('2019-10-01');
Query OK, 1 row affected (0.22 sec)
mysql> insert into DemoTable1454 values('2019-10-03');
Query OK, 1 row affected (0.25 sec)
mysql> insert into DemoTable1454 values('2019-10-05');
Query OK, 1 row affected (0.25 sec)
mysql> insert into DemoTable1454 values('2019-10-04');
Query OK, 1 row affected (0.19 sec)
mysql> insert into DemoTable1454 values('2018-10-06');
Query OK, 1 row affected (0.18 sec)
mysql> insert into DemoTable1454 values('2019-10-06');
Query OK, 1 row affected (0.11 sec)

使用 select 语句显示表中的所有记录 -

mysql> select * from DemoTable1454;

这将产生以下输出 -

+--------------+
| ShippingDate |
+--------------+
| 2019-10-01   |
| 2019-10-03   |
| 2019-10-05   |
| 2019-10-04   |
| 2018-10-06   |
| 2019-10-06   |
+--------------+
6 rows in set (0.00 sec)

当前日期如下 -

mysql> select now();
+---------------------+
| now()               |
+---------------------+
| 2019-10-04 21:30:01 |
+---------------------+
1 row in set (0.00 sec)

以下是查询两个日期之间的最近下一天 -

mysql> select * from DemoTable1454
   -> order by ( ShippingDate > now()) desc,
   ->    (case when ShippingDate > now() then ShippingDate  end) ,
   ->    ShippingDate  desc
   -> limit 1;

这将产生以下输出 -

+--------------+
| ShippingDate |
+--------------+
| 2019-10-05   |
+--------------+
1 row in set (0.00 sec)

更新于: 10-12-2019

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