MySQL 在 SELECT * 查询中格式化日期

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时间:2020-08-31 11:57:31  来源:igfitidea点击:

Format date in SELECT * query

mysql

提问by PGrau

Is it possible to format a date field in a SELECT * query? I want to get all of the columns from my table but need a different format from the date.

是否可以在 SELECT * 查询中格式化日期字段?我想从我的表中获取所有列,但需要与日期不同的格式。

Something like:

就像是:

SELECT *, FORMATDATE(date,'%m-%d-%y') AS date FROM my_table;

or do I have to process it in php after the query?

还是我必须在查询后在 php 中处理它?

回答by unutbu

Use DATE_FORMAT:

使用DATE_FORMAT

SELECT *, DATE_FORMAT(date, "%m-%d-%y") AS date FROM my_table;

回答by Average Joe

select DATE_FORMAT(your_date_field_name,'%m-%d-%y') AS whatever FROM your_table_name_here;

the result is something like this

结果是这样的

09-22-11

09-22-11

as opposed to this

与此相反

2011-02-02 15:42:51

2011-02-02 15:42:51

回答by yohanes

you can put name of column in back of date_format. like this :

您可以将列名放在 date_format 的后面。像这样 :

$rs = mysql_query("select  blablabla,DATE_FORMAT(name_column, '%d-%b-%y | %H:%i')name_column,DATE_FORMAT(name_column2, '%d-%b-%y | %H:%i')as name_column2 from db ORDER BY id DESC limit $offset,$rows");

or you can put "as" yes, you must select one by one. its work !!!!

或者你可以把“作为”是的,你必须一一选择。这是工作 !!!!

回答by Nanne

I don't know what FORMATDATEis, but you can use DATE-FORMAT

我不知道是什么FORMATDATE,但你可以使用DATE-FORMAT

http://dev.mysql.com/doc/refman/5.5/en/date-and-time-functions.html#function_date-format

http://dev.mysql.com/doc/refman/5.5/en/date-and-time-functions.html#function_date-format

回答by sly

If you are writing application containing different timezones and formats better practice will be using UNIX timestamp stored in int(8) field, otherwise you can format date fields in queries.

如果您正在编写包含不同时区和格式的应用程序,更好的做法是使用存储在 int(8) 字段中的 UNIX 时间戳,否则您可以在查询中格式化日期字段。