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steadyBoy 5cc62fa166 [docs] fix document date-time-functions typo (#8053 )

1. en: add convert_tz.md
2. en: fix curdate.md, the fix is to modify the title
3. en: add curtime.md
4. en: fix str_to_date.md, the fix is to modify the title
5. zh-CN: fix convert_tz.md, the fix is to modify the description
6. zh-CN: fix curdate.md, the fix is to modify the title

2022-03-02 10:07:44 +08:00

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title, language

title	language
str_to_date	en

Str_to_date

Description

Syntax

DATETIME STR TWO DATES (VARCHAR STR, VARCHAR format)

Convert STR to DATE type by format specified, if the conversion result does not return NULL

The format format supported is consistent with date_format

example

mysql> select str_to_date('2014-12-21 12:34:56', '%Y-%m-%d %H:%i:%s');
+---------------------------------------------------------+
| str_to_date('2014-12-21 12:34:56', '%Y-%m-%d %H:%i:%s') |
+---------------------------------------------------------+
| 2014-12-21 12:34:56                                     |
+---------------------------------------------------------+

mysql> select str_to_date('2014-12-21 12:34%3A56', '%Y-%m-%d %H:%i%%3A%s');
+--------------------------------------------------------------+
| str_to_date('2014-12-21 12:34%3A56', '%Y-%m-%d %H:%i%%3A%s') |
+--------------------------------------------------------------+
| 2014-12-21 12:34:56                                          |
+--------------------------------------------------------------+

mysql> select str_to_date('200442 Monday', '%X%V %W');
+-----------------------------------------+
| str_to_date('200442 Monday', '%X%V %W') |
+-----------------------------------------+
| 2004-10-18                              |
+-----------------------------------------+

mysql> select str_to_date("2020-09-01", "%Y-%m-%d %H:%i:%s");
+------------------------------------------------+
| str_to_date('2020-09-01', '%Y-%m-%d %H:%i:%s') |
+------------------------------------------------+
| 2020-09-01 00:00:00                            |
+------------------------------------------------+
1 row in set (0.01 sec)

keyword

STR_TO_DATE,STR,TO,DATE

2.5 KiB Raw Blame History