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https://issues.apache.org/jira/browse/SPARK-21263?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen reassigned SPARK-21263:
---------------------------------
Assignee: Hyukjin Kwon
> NumberFormatException is not thrown while converting an invalid string to
> float/double
> --------------------------------------------------------------------------------------
>
> Key: SPARK-21263
> URL: https://issues.apache.org/jira/browse/SPARK-21263
> Project: Spark
> Issue Type: Bug
> Components: Java API
> Affects Versions: 2.1.1
> Reporter: Navya Krishnappa
> Assignee: Hyukjin Kwon
> Fix For: 2.3.0
>
>
> When reading a below-mentioned data by specifying user-defined schema,
> exception is not thrown. Refer the details :
> *Data:*
> 'PatientID','PatientName','TotalBill'
> '1000','Patient1','10u000'
> '1001','Patient2','30000'
> '1002','Patient3','40000'
> '1003','Patient4','50000'
> '1004','Patient5','60000'
> *Source code*:
> Dataset dataset = sparkSession.read().schema(schema)
> .option(INFER_SCHEMA, "true")
> .option(DELIMITER, ",")
> .option(QUOTE, "\"")
> .option(MODE, Mode.PERMISSIVE)
> .csv(sourceFile);
> When we collect the dataset data:
> dataset.collectAsList();
> *Schema1*:
> [StructField(PatientID,IntegerType,true),
> StructField(PatientName,StringType,true),
> StructField(TotalBill,IntegerType,true)]
> *Result *: Throws NumerFormatException
> Caused by: java.lang.NumberFormatException: For input string: "10u000"
> *Schema2*:
> [StructField(PatientID,IntegerType,true),
> StructField(PatientName,StringType,true),
> StructField(TotalBill,DoubleType,true)]
> *Actual Result*:
> "PatientID": 1000,
> "NumberOfVisits": "400",
> "TotalBill": 10,
> *Expected Result*: Should throw NumberFormatException for input string
> "10u000"
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