[英]Load CSV into MySQL Workbench table
這是原始csv的片段(來自Quandl):
Date,Open,High,Low,Close,Volume_BTC,Volume_Dollar,Weighted_Price
13/02/2014,650.04,660,645.07,645.24,4027.229102,2628148.177,652.5946528
12/02/2014,677,685.19,631.58,651.99,15511.78726,10224606.46,659.1507667
這是我正在嘗試的SQL代碼,其中我嘗試了許多排列:
load data local infile '/../BITSTAMPUSD.csv'
into table test.BTC
CHARACTER SET utf8
FIELDS TERMINATED BY ','
enclosed by ""
LINES TERMINATED BY '\n'
IGNORE 1 LINES;
這是我一直得到的錯誤:
1 row(s) affected, 8 warning(s): 1265 Data truncated for column 'Date' at row 1 1265 Data truncated for column 'Open' at row 1 1265 Data truncated for column 'High' at row 1 1265 Data truncated for column 'Low' at row 1 1265 Data truncated for column 'Close' at row 1 1265 Data truncated for column 'Volume_BTC' at row 1 1265 Data truncated for column 'Volume_Dollar' at row 1 1265 Data truncated for column 'Weighted_Price' at row 1 Records: 1 Deleted: 0 Skipped: 0 Warnings: 8
這是我用來生成表的代碼:
CREATE TABLE BTC(
Date DATE,
Open FLOAT,
High FLOAT,
Low FLOAT,
Close FLOAT,
Volume_BTC FLOAT,
Volume_Dollar FLOAT,
Weighted_Price FLOAT
)
我已經為解決這個問題而奮斗了一段時間,因此非常感謝您的幫助。
更新:我已經嘗試了一些建議,但仍然沒有解決。 我懷疑這與線路終止有關。 我正在使用Mac,這有所作為。 '/ n'是正確的嗎?
導入字段時,可以使用str_to_date
轉換字段,如本示例所示,其中最后兩行添加到了代碼中:
load data local infile '/../BITSTAMPUSD.csv'
into table BTC
CHARACTER SET utf8
FIELDS TERMINATED BY ','
enclosed by ""
LINES TERMINATED BY '\r'
IGNORE 1 LINES
(@date,Open,High,Low,Close,Volume_BTC,Volume_Dollar,Weighted_Price)
SET `Date` = DATE_FORMAT(STR_TO_DATE(@date, '%d/%m/%Y'), '%Y/%m/%d');
對於Mac,我還認為您需要使用'\\ r'終止行。
我確實嘗試創建您的表並導入一個保存您的數據的文件,它與上面的“加載數據”查詢一起正常工作。 所以線路終止可能是唯一缺少的東西...
將LINES TERMINATED BY '\\n'
更改為LINES TERMINATED BY '\\r'
解決了我的問題!
對於Windows使用'\\ n',對於Mac使用'\\ r'。
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