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https://issues.apache.org/jira/browse/FLINK-10684?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16812221#comment-16812221
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Fabian Hueske commented on FLINK-10684:
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Hi, please have a look at https://issues.apache.org/jira/browse/FLINK-7050 and
the corresponding PR [https://github.com/apache/flink/pull/4660] as well.
IMO, the current CSV InputFormat should be deprecated at some point because it
is not standard compliant and based on a lot of custom code.
> Improve the CSV reading process
> -------------------------------
>
> Key: FLINK-10684
> URL: https://issues.apache.org/jira/browse/FLINK-10684
> Project: Flink
> Issue Type: Improvement
> Components: API / DataSet
> Reporter: Xingcan Cui
> Priority: Major
>
> CSV is one of the most commonly used file formats in data wrangling. To load
> records from CSV files, Flink has provided the basic {{CsvInputFormat}}, as
> well as some variants (e.g., {{RowCsvInputFormat}} and
> {{PojoCsvInputFormat}}). However, it seems that the reading process can be
> improved. For example, we could add a built-in util to automatically infer
> schemas from CSV headers and samples of data. Also, the current bad record
> handling method can be improved by somehow keeping the invalid lines (and
> even the reasons for failed parsing), instead of logging the total number
> only.
> This is an umbrella issue for all the improvements and bug fixes for the CSV
> reading process.
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