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Posted to issues@flink.apache.org by "Dmitrii Kober (JIRA)" <ji...@apache.org> on 2018/05/04 07:56:00 UTC
[jira] [Commented] (FLINK-2435) Add support for custom CSV field
parsers
[ https://issues.apache.org/jira/browse/FLINK-2435?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16463515#comment-16463515 ]
Dmitrii Kober commented on FLINK-2435:
--------------------------------------
Colleagues any updates on this?
> Add support for custom CSV field parsers
> ----------------------------------------
>
> Key: FLINK-2435
> URL: https://issues.apache.org/jira/browse/FLINK-2435
> Project: Flink
> Issue Type: New Feature
> Components: DataSet API
> Affects Versions: 0.10.0
> Reporter: Fabian Hueske
> Assignee: Dmitrii Kober
> Priority: Minor
> Fix For: 1.0.0
>
>
> The {{CSVInputFormats}} have only {{FieldParsers}} for Java's primitive types (byte, short, int, long, float, double, boolean, String).
> It would be good to add support for CSV field parsers for custom data types which can be registered in a {{CSVReader}}.
> We could offer two interfaces for field parsers.
> 1. The regular low-level {{FieldParser}} which operates on a byte array and offsets.
> 2. A {{StringFieldParser}} which operates on a String that has been extracted by a {{StringParser}} before. This interface will be easier to implement but less efficient.
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