我试图从CSV文件加载数据到MySQL数据库,并注意到大量的记录似乎在我导入文件时被跳过。加载数据INFILE不会导入CSV数据源中的所有行
这些数据来自政府的资料来源,在单独的地方用单引号等格式很奇怪。这里是没有得到插入记录的一个样本:
"'050441'","STANFORD HOSPITAL","CA","H_HSP_RATING_7_8","How do patients rate the hospital overall?","Patients who gave a rating of'7' or '8' (medium)","22","300 or more","37",""
这个纪录,但是,并得到插入:
"'050441'","STANFORD HOSPITAL","CA","H_HSP_RATING_0_6","How do patients rate the hospital overall?","Patients who gave a rating of '6' or lower (low)","8","300 or more","37",""
我使用加载数据的SQL是在这里:
mysql> load data infile "c:\\HQI_HOSP_HCAHPS_MSR.csv" into table hospital_qualit
y_scores fields terminated by "," enclosed by '"' lines terminated by "\n" IGNOR
E 1 LINES;
我正在加载数据的表格格式如下:
定界符$$
CREATE TABLE `hospital_quality_scores` (
`ProviderNumber` varchar(8) NOT NULL,
`HospitalName` varchar(50) DEFAULT NULL,
`State` varchar(2) DEFAULT NULL,
`MeasureCode` varchar(25) NOT NULL,
`Question` longtext,
`AnswerDescription` longtext,
`AnswerPercent` int(11) DEFAULT NULL,
`NumberofCompletedSurveys` varchar(50) DEFAULT NULL,
`SurveyResponseRatePercent` varchar(50) DEFAULT NULL,
`Footnote` longtext,
PRIMARY KEY (`ProviderNumber`,`MeasureCode`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8$$
任何人有任何想法,为什么发生这种情况?看来只有这些记录实际上是正确插入的。