mysql 匯入出csv
1.進入mysql檢視secure_file_prive的值
$mysql -u root -p
mysql>SHOW VARIABLES LIKE "secure_file_priv";
secure_file_prive=null -- 限制mysqld 不允許匯入匯出
secure_file_priv=/tmp/ -- 限制mysqld的匯入匯出只能發生在/tmp/目錄下
secure_file_priv=' ' -- 不對mysqld 的匯入 匯出做限制
2.更改secure_file_pri的值
/usr/local/mysql/support-files中的my-default.cnf配置檔案,就把它複製到/private/etc中,重新命名為“my.cnf”,並加入secure_file_priv='',重啟mysql伺服器即可。
3.匯入csv檔案
-- sql匯入csv檔案
load data local infile '/Users/jojo/dumps/train.csv' --檔案目錄
into table new_table -- 這裡匯入csv會出錯,具體解決方法見"問題解決"
fields terminated by','optionally enclosed by '"' escaped by '"'
-- 欄位之間以逗號分隔,字串以半形雙引號包圍,字串本身的雙引號用兩個雙引號表示
lines terminated by'\r\n' -- 資料行之間以\r\n分隔
4.匯出csv檔案
select * from user_action_fx into outfile '/var/lib/mysql-files/ua.csv' FIELDS TERMINATED BY ',' OPTIONALLY ENCLOSED BY '"' LINES TERMINATED BY '/n';