我想执行以下mysql -uuser -ppass -h remote.host.tld database < script.sql
其中script.sql包含以下内容
SELECT *
FROM webrecord_wr25mfz_20101011_175524
FIELDS TERMINATED BY ','
ENCLOSED BY '"'
LINES TERMINATED BY '\n'
我希望CSV输出指向标准输出。原因是因为使用INTO OUTFILE 'blah.csv'运行此查询会将文件保存在远程主机上。我希望文件保存在本地主机上。
如果我可以将标准输出重定向到文件，那将是花花公子。
答案 0 :(得分：1)
上面的答案似乎不能完全 回答原始问题，我不确定是否可以，但是希望这可以对某人有所帮助：
有关如何<Icon fill="#49c" name="phone" width="800" height='800'/>
的很多评论，请参见How to output MySQL query results in CSV format?。例如，根据原始参数，以下可能就足够了：
export default class Icon extends React.Component {render() {
return (
<svg className='illustration-comp' viewBox="0 0 1155 700" >
<rect x="359.562" y="82" width="254.804" height="537.533" rx="24.4333" fill="#F6F0F9"/>
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<rect x="478.238" y="157.045" width="78.5356" height="129.147" rx="12.2167" fill="black" fill-opacity="0.06"/>
<rect x="385.74" y="301.9" width="214.664" height="129.147" rx="12.2167" fill="black" fill-opacity="0.06"/>
<rect x="401.448" y="326.334" width="48.8666" height="48.8666" rx="2.74211" fill="black" fill-opacity="0.06"/>
<rect x="459.04" y="326.334" width="123.912" height="8.72618" rx="2.74211" fill="black" fill-opacity="0.06"/>
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<rect x="383.995" y="443.264" width="143.109" height="129.147" rx="12.2167" fill="black" fill-opacity="0.06"/>
<rect x="541.066" y="443.264" width="59.338" height="129.147" rx="12.2167" fill="black" fill-opacity="0.06"/>
<rect x="553.283" y="455.48" width="34.9047" height="34.9047" rx="7.18627" fill="black" fill-opacity="0.06"/>
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}
}
这与上面的答案类似，但是重定向到<svg style={{width:this.props.width,height:this.props.height}} viewBox="0 0 1155 700" >
而不是sed。
但是，（尽管不确定是否需要保留制表符，但是有很多方法可以解决此问题），我已经使用https://stackoverflow.com/a/2543226/2178980来正确地将双引号转义并转换为逗号分隔：
mysql --batch -u user -h remote.host.tld database --port 3306 -ppass -e "SELECT * FROM webrecord_wr25mfz_20101011_175524;" | sed 's/\t/,/g' 2>&1
stdout执行blah.csv mysql --batch -u user -h remote.host.tld database --port 3306 -ppass -e "SELECT * FROM webrecord_wr25mfz_20101011_175524;" | perl -lpe 's/"/\\"/g; s/^|$/"/g; s/\t/","/g' 2>&1
（此输出将以制表符分隔）sql转换为逗号分隔"SELECT * FROM webrecord_wr25mfz_20101011_175524;"将输出转到mysql 答案 1 :(得分：0)
试试这个：mysql -uuser -ppass -h remote.host.tld database < script.sql 2> blah.csv
这将重定向stderr
答案 2 :(得分：0)
部分重复给MySQL SELECT INTO OUTFILE to a different server的问题。没有FIELDS TERMINATED BY
into outfile
（不是很优雅）替代方法是使用--batch选项来产生制表符分隔的输出并设置标准输出。像这样：
mysql --batch -uuser -ppass -h remote.host.tld database < stack.sql | sed 's/\t/,/g' > blah.csv
请注意，--batch会转义特殊字符，因此，根据您拥有的数据及其可预测性，您可能需要更改sed