最近有人删除了一个我认为对社区很有帮助的问题。我解释一下:
I am obtaining a CSV file from the Yahoo! Finance API, with which I then wish to update the following MySQL table:
CREATE TABLE yahoo.static ( symbol VARCHAR(10) NOT NULL, exchange VARCHAR(200), name VARCHAR(300), capitalization DOUBLE, div_pay_date DATE, book_value DOUBLE, float_shares BIGINT UNSIGNED, PRIMARY KEY (symbol) );
The CSV file has the following format:
"AAUKF","AAUKF","Other OTC","AAUKF","ANGLO AMERICAN OR","AAUKF",29.271B,"AAUKF","26-Apr-12","AAUKF",26.69,"AAUKF", 1134107000Particular problems include:
repeated, superfluous values;
suffixes (e.g.
K
,M
andB
) that indicate order of magnitude; anddates not formatted in a supported literal format.
How can I update the table from such a CSV file?
最佳答案
在LOAD DATA
内命令,可以将列分配给用户变量,然后相应地执行适当的操作:
LOAD DATA INFILE '/tmp/ystaticB.csv'
REPLACE
INTO TABLE yahoo.static
CHARACTER SET utf8 -- or however the file is encoded
FIELDS
TERMINATED BY ','
OPTIONALLY ENCLOSED BY '"' -- quotes appear to be optional
LINES
TERMINATED BY '\r\n' -- or however newlines are encoded
(symbol,@z,exchange,@z,name,@z,@c,@z,@d,@z,book_value,@z,float_shares)
SET
capitalization = @c * POW(10, CASE RIGHT(@c,1)
WHEN 'K' THEN 3
WHEN 'M' THEN 6
WHEN 'B' THEN 9
END),
div_pay_date = STR_TO_DATE(@d, '%e-%b-%y')
关于mysql - 使用包含不支持格式的文字值的 CSV 数据更新 MySQL 表,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/20067103/