mysql - 查找特定日期范围内的结果

Question

我试图只抓取特定日期范围内的记录。问题是时间戳和日期作为字符串存储在同一个单元格中。我只想抓取日期介于 2013-05-01 和 2013-05-03 之间的行。

日期（存储为字符串）

2013-05-01T23:19:44
2013-05-02T23:19:40
2013-05-06T23:19:46
2013-05-06T23:15:17

mysql

SELECT * FROM table WHERE date BETWEEN 2013-05-01 AND 2013-05-03

Answer 1

尝试

SELECT *
  FROM table1
WHERE STR_TO_DATE(`date`,'%Y-%m-%d') BETWEEN '2013-05-01' AND '2013-05-03'

SQLFiddle

正如@FreshPrinceOfSO 绝对正确指出的那样，在这种情况下不会使用任何索引

Answer 2

SELECT * FROM table1 
WHERE STR_TO_DATE(SUBSTRING(`date`,1,10),'%d-%m-%Y') 
    BETWEEN '2013-05-01' AND '2013-05-03'

Answer 3

字符串对于 . 来说几乎是有效的语法datetime。因此，另一种可能更慢的方法是将 'T' 替换为空格，然后将其转换为datetime.

SELECT * FROM table1 WHERE
  CAST(REPLACE(`date`, 'T', ' ') AS DATETIME) 
  BETWEEN '2013-05-01' AND '2013-05-03';

Answer 4

SELECT * FROM table 
WHERE date('yourdate') BETWEEN date('2013-05-01') AND date('2013-05-03')