[英]Mysql CSV load infile
我有一个包含9列的CSV文件,我有一个包含11列的MySQL表。
CSV文件如下所示:
col1, col2, col3, col4, col5, col6, col7, col8, col9
和MySQL表看起来像:
col1, col2, col3, col4, col5, col6, col7, col8, col9, col10, col11
我需要让脚本忽略两个错误的(但必需的)MySQL列。
导入中需要忽略的mysql列是:db_id&nice_date =)
这是我到目前为止:
$sql = 'LOAD DATA LOCAL INFILE "../csvtemp/test.csv"
INTO TABLE sample
FIELDS TERMINATED BY ","
OPTIONALLY ENCLOSED BY """"
IGNORE 1 LINES'
;
$sql = 'LOAD DATA LOCAL INFILE "../csvtemp/test.csv"
INTO TABLE sample
FIELDS TERMINATED BY ","
OPTIONALLY ENCLOSED BY """"
IGNORE 1 LINES
(col1, col2, col3, col4, col5, col6, col7, col8, col9)'
;
缺少的列将被赋予其DEFAULT值,否则您可以通过以下方式指定固定值:
$sql = 'LOAD DATA LOCAL INFILE "../csvtemp/test.csv"
INTO TABLE sample
FIELDS TERMINATED BY ","
OPTIONALLY ENCLOSED BY """"
IGNORE 1 LINES
(col1, col2, col3, col4, col5, col6, col7, col8, col9)'
SET col10 = 'abc', col11 = 'xyz'
;
看起来你可以使用LINES TERMINATED BY
(可能使用PHP_EOL
)。
http://dev.mysql.com/doc/refman/5.0/en/load-data.html
引用手册页:
如果某行不包含所有字段,则其余列将设置为其默认值。
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