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https://issues.apache.org/jira/browse/FLINK-1872?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14492599#comment-14492599
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Stephan Ewen commented on FLINK-1872:
-------------------------------------
Reading a CSV always requires a schema.
It is possible to register CSVs with a schema at HCatalog and then use a
HCatalog input format to read them, without specifying the schema at the read
command.
https://github.com/apache/flink/blob/master/flink-staging/flink-hcatalog/src/main/java/org/apache/flink/hcatalog/java/HCatInputFormat.java
> How can generation dataset in flink automatic depend on number of filed and
> data type
> --------------------------------------------------------------------------------------
>
> Key: FLINK-1872
> URL: https://issues.apache.org/jira/browse/FLINK-1872
> Project: Flink
> Issue Type: Bug
> Reporter: hagersaleh
>
> when read csv file want generate dataset function automatic
> Example write this Mnola
> but want generate this code automatic for any csv flie input
> final ExecutionEnvironment env =
> ExecutionEnvironment.getExecutionEnvironment();
>
> DataSet<Tuple5<Integer, String, String, Integer, Double>> customers =
> getCustomerDataSet(env);
> private static DataSet<Tuple5<Integer, String, String, Integer, Double>>
> getCustomerDataSet(ExecutionEnvironment env) {
> return env.readCsvFile(customerPath)
> .fieldDelimiter("|")
> .includeFields("11110100")
> .types(Integer.class, String.class,
> String.class, Integer.class, Double.class);
> }
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