84

有任何想法吗?

SELECT * INTO OUTFILE '/home/myacnt/docs/mysqlCSVtest.csv'
FIELDS TERMINATED BY ',' OPTIONALLY ENCLOSED BY '*'
LINES TERMINATED BY '\n'
FROM tbl_property 
WHERE managerGroupID = {$managerGroupID}

错误:

Access denied for user 'asdfsdf'@'localhost' (using password: YES)
4

6 回答 6

129

尝试执行以下 SQL 命令:

> grant all privileges 
  on YOUR_DATABASE.* 
  to 'asdfsdf'@'localhost' 
  identified by 'your_password';
> flush privileges; 

您似乎在连接到数据库而不是写入您提到的文件夹时遇到问题。

另外,请确保您已授予FILEuser 'asdfsdf'@'localhost'

> GRANT FILE ON *.* TO 'asdfsdf'@'localhost';
于 2011-05-22T23:12:14.150 回答
63

老实说,我没有费心处理赠款,即使没有特权,这也有效:

echo "select * from employee" | mysql --host=HOST --port=PORT --user=UserName --password=Password DATABASE.SCHEMA > output.txt
于 2013-06-07T18:14:24.773 回答
24

正如@fijaaron 所说,

  1. GRANT ALL并不意味着GRANT FILE
  2. GRANT FILE仅适用于*.*

也一样

GRANT FILE ON *.* TO user;
于 2016-10-10T16:58:53.387 回答
4

由于 cP/WHM 取消了在 PHPMyAdmin 中以 root 身份修改用户权限的功能,因此您必须使用命令行来:

mysql>  GRANT FILE ON *.* TO 'user'@'localhost';

第 2 步是允许该用户将文件转储到特定文件夹中。有几种方法可以做到这一点,但我最终将文件夹放入:

/home/user/tmp/db

chown mysql:mysql /home/user/tmp/db

这允许 mysql 用户写入文件。正如之前的海报所说,您也可以使用 MySQL 临时文件夹,我认为这并不重要,但您绝对不想让它成为 0777 权限(世界可写),除非您希望世界看到您的数据。如果您想冲洗重复该过程,则存在潜在问题,因为INTO OUTFILE如果文件存在,则该过程将不起作用。如果您的文件归其他用户所有,那么尝试unlink($file)将无法正常工作。如果您像我一样(偏执于 0777),那么您可以使用以下方法设置目标目录:

chmod($dir,0777)

就在执行 SQL 命令之前,然后

chmod($dir,0755)

紧随其后,然后unlink(file)删除文件。这使它在您的 Web 用户下运行,无需调用 mysql 用户。

于 2017-09-08T11:53:40.700 回答
3

我尝试了所有解决方案,但仍然不够。经过一番挖掘,我最终发现我还必须设置“file_priv”标志,然后重新启动 mysql。

恢复 :

授予权限:

> GRANT ALL PRIVILEGES
  ON my_database.* 
  to 'my_user'@'localhost';

> GRANT FILE ON *.* TO my_user;

> FLUSH PRIVILEGES; 

设置标志:

> UPDATE mysql.user SET File_priv = 'Y' WHERE user='my_user' AND host='localhost';

最后重启mysql服务器:

$ sudo service mysql restart

之后,我可以写入secure_file_priv目录。对我来说它是 /var/lib/mysql-files/,但你可以使用以下命令检查它:

> SHOW VARIABLES LIKE "secure_file_priv";
于 2019-10-16T09:57:05.570 回答
1

对于未来的读者,如果他们希望使用 bash 批量导出,一种简单的方法如下,

akshay@ideapad:/tmp$ mysql -u someuser -p test -e "select * from offices"
Enter password: 
+------------+---------------+------------------+--------------------------+--------------+------------+-----------+------------+-----------+
| officeCode | city          | phone            | addressLine1             | addressLine2 | state      | country   | postalCode | territory |
+------------+---------------+------------------+--------------------------+--------------+------------+-----------+------------+-----------+
| 1          | San Francisco | +1 650 219 4782  | 100 Market Street        | Suite 300    | CA         | USA       | 94080      | NA        |
| 2          | Boston        | +1 215 837 0825  | 1550 Court Place         | Suite 102    | MA         | USA       | 02107      | NA        |
| 3          | NYC           | +1 212 555 3000  | 523 East 53rd Street     | apt. 5A      | NY         | USA       | 10022      | NA        |
| 4          | Paris         | +33 14 723 4404  | 43 Rue Jouffroy D'abbans | NULL         | NULL       | France    | 75017      | EMEA      |
| 5          | Tokyo         | +81 33 224 5000  | 4-1 Kioicho              | NULL         | Chiyoda-Ku | Japan     | 102-8578   | Japan     |
| 6          | Sydney        | +61 2 9264 2451  | 5-11 Wentworth Avenue    | Floor #2     | NULL       | Australia | NSW 2010   | APAC      |
| 7          | London        | +44 20 7877 2041 | 25 Old Broad Street      | Level 7      | NULL       | UK        | EC2N 1HN   | EMEA      |
+------------+---------------+------------------+--------------------------+--------------+------------+-----------+------------+-----------+

如果您由非 root 用户导出,请设置如下权限

root@ideapad:/tmp# mysql -u root -p
MariaDB[(none)]> UPDATE mysql.user SET File_priv = 'Y' WHERE user='someuser' AND host='localhost';

重新启动或重新加载 mysqld

akshay@ideapad:/tmp$ sudo su
root@ideapad:/tmp#  systemctl restart mariadb

示例代码片段

akshay@ideapad:/tmp$ cat test.sh 
#!/usr/bin/env bash

user="someuser"
password="password"
database="test"

mysql -u"$user" -p"$password" "$database" <<EOF
SELECT * 
INTO OUTFILE '/tmp/csvs/offices.csv' 
FIELDS TERMINATED BY '|' 
ENCLOSED BY '"' 
LINES TERMINATED BY '\n'
FROM offices;
EOF

执行

akshay@ideapad:/tmp$ mkdir -p /tmp/csvs
akshay@ideapad:/tmp$ chmod +x test.sh
akshay@ideapad:/tmp$ ./test.sh 
akshay@ideapad:/tmp$ cat /tmp/csvs/offices.csv 
"1"|"San Francisco"|"+1 650 219 4782"|"100 Market Street"|"Suite 300"|"CA"|"USA"|"94080"|"NA"
"2"|"Boston"|"+1 215 837 0825"|"1550 Court Place"|"Suite 102"|"MA"|"USA"|"02107"|"NA"
"3"|"NYC"|"+1 212 555 3000"|"523 East 53rd Street"|"apt. 5A"|"NY"|"USA"|"10022"|"NA"
"4"|"Paris"|"+33 14 723 4404"|"43 Rue Jouffroy D'abbans"|\N|\N|"France"|"75017"|"EMEA"
"5"|"Tokyo"|"+81 33 224 5000"|"4-1 Kioicho"|\N|"Chiyoda-Ku"|"Japan"|"102-8578"|"Japan"
"6"|"Sydney"|"+61 2 9264 2451"|"5-11 Wentworth Avenue"|"Floor #2"|\N|"Australia"|"NSW 2010"|"APAC"
"7"|"London"|"+44 20 7877 2041"|"25 Old Broad Street"|"Level 7"|\N|"UK"|"EC2N 1HN"|"EMEA"

于 2020-05-10T14:45:20.380 回答