使用mysqlimport 将格式化文件导入MySQL表
mysql有可执行文件mysqlimport,还有一个mysql命令中的load data,这两个命令可以从文件中把格式化的数据导入数据库,如果有一个
创建表Spam
看一下要插入的数据文件
mysqlimport的用法如下:
的数据表中
而且Spam.txt文件必须在 /usr/local/mysql/var/Statistic/ 目录下【即/usr/local/mysql/var/库/】
刚开始的时候没注意文件的路径,返回以下错误:
[root@mx1 /tmp/KevinShell/statistic]# /usr/local/mysql/bin/mysqlimport -uUSER -pPASSWD -hlocalhost -P3306 Statistic Spam.txt
/usr/local/mysql/bin/mysqlimport: Error: File '/usr/local/mysql/var/Statistic/Spam.txt' not found (Errcode: 2), when using table: Spam
之后又做了纠正,成功插入数据
[root@mx1 /tmp/KevinShell/statistic]# cp Spam.txt /usr/local/mysql/var/Statistic/
[root@mx1 /tmp/KevinShell/statistic]# /usr/local/mysql/bin/mysqlimport -uUSER -pPASSWD -hlocalhost -P3306 Statistic Spam.txt
再次查看一下表Spam,已经将数据成功插入,而且与Spam.txt文件中的数据是一样的
下面介绍一些mysqlimport常用到的选项
定义被导入文件中的每一列对应的数据库表列名
--fields-terminated-by=
数据域以什么结束,参数为字符串,默认为\t
--fields-enclosed-by=
数据域用什么符号扩起来,默认为空,一般可以是双引号、括号等
--fields-optionally-enclosed-by=
数据域可以用什么符号括起来,因为为只有部分数据用这些符号括起来
--fields-escaped-by=
转义字符,参数为字符,默认为\
--lines-terminated-by=
--user=user_name -u user_name
--password[=password] -p[password]
--host=host_name -h hostname
--ignore-lines=n
--delete -D
在把文件中的数据插入前删除表中原先的数据
--local -L
指定从客户端电脑读入数据文件,,否则从服务器电脑读取
--protocol={TCP | SOCKET | PIPE | MEMORY}
使用的连接协议
忽视错误。例如,如果某个文本文件的表不存在,继续处理其它文件
--compress -C
压缩在客户端和服务器之间发送的所有信息(如果二者均支持压缩)
冗长模式。打印出程序操作的详细信息。
显示版本信息并退出。

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