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<p>The default date format for a date column in MySQL is <code>YYYY-MM-DD HH:MM:SS</code>. </p> <p>The data file I'm trying to load has a date field in the format of <code>DD-MON-YY HH:MM:SS</code>. When I load this file using the <code>LOAD DATA</code> command, the database gets confused and sets all date entries to <code>0000-00-00 00:00:00</code> or NULL . </p> <p>This is my test using the <code>STR_TO_DATE</code> option but it doesn't work.</p> <p><strong>測試文件（test_temp.csv）</strong></p> <pre class="brush:php;toolbar:false;">c1, c2 07-JUN-12 22:50:19, "abc" 07-JUN-13 22:50:19, "bcd"</pre> <p><strong>測試表（temp_test）</strong></p> <pre class="brush:php;toolbar:false;">describe temp_test; ------- ------------- ------ ----- --------- ------- | Field | Type | Null | Key | Default | Extra | ------- ------------- ------ ----- --------- ------- | c1 | datetime | YES | | NULL | | | c2 | varchar(10) | YES | | NULL | | ------- ------------- ------ ----- --------- ------- </pre> <p><strong>數(shù)據(jù)加載命令：</strong></p> <pre class="brush:php;toolbar:false;">load data infile '/var/lib/mysql/DataSet-1/temp_test.csv' ignore into table temp_test fields terminated by ',' enclosed by '"' lines terminated by 'rn' ignore 1 lines (@var_c1,c2) set c1 = STR_TO_DATE(@var_c1,'%d-%b-%y %h:%i:%s');</pre> <p><strong>輸出</strong></p> <pre class="brush:php;toolbar:false;">Query OK, 2 rows affected, 2 warnings (0.00 sec) Records: 2 Deleted: 0 Skipped: 0 Warnings: 0 MySQL> show warnings; ------- ------ ------------------------------------------------------------------------- | Level | Code | Message | ------- ------ ------------------------------------------------------------------------- | Error | 1411 | Incorrect datetime value: '07-JUN-12 22:50:19' for function str_to_date | | Error | 1411 | Incorrect datetime value: '07-JUN-13 22:50:19' for function str_to_date | ------- ------ ------------------------------------------------------------------------- MySQL> select * from temp_test; ------ ------ | c1 | c2 | ------ ------ | NULL | abc | | NULL | bcd | ------ ------ </pre> <p>問題出在：</p> <ol> <li>輸入日期列（應該是<code>07-JUN-12</code>還是<code>07-Jun-12</code>）或</li> <li>我的格式字符串（<code>%d-%b-%y</code>）或</li> <li>其他原因？</li> </ol><p><br /></p>

%d-%b-%y %h:%i:%s

%d-%b-%y %H:%i:%s
         ^^

LOAD DATA INFILE '/path/to/temp_test.csv'
IGNORE INTO TABLE temp_test
  FIELDS TERMINATED BY ',' OPTIONALLY ENCLOSED BY '"'
  LINES TERMINATED BY '\r\n' -- or '\n'
  IGNORE 1 LINES
(@c1, c2)
SET c1 = STR_TO_DATE(@c1,'%d-%b-%y %H:%i:%s');

mysql> select * from temp_test;
+---------------------+------+
| c1                  | c2   |
+---------------------+------+
| 2012-06-07 22:50:19 | abc  |
| 2013-06-07 22:50:19 | bcd  |
+---------------------+------+
2 rows in set (0.00 sec)