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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-8558) Add unified format interfaces and format discovery
Date Sat, 14 Jul 2018 17:53:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-8558?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16544290#comment-16544290
] 

ASF GitHub Bot commented on FLINK-8558:
---------------------------------------

Github user pnowojski commented on a diff in the pull request:

    https://github.com/apache/flink/pull/6323#discussion_r202520986
  
    --- Diff: flink-libraries/flink-sql-client/src/main/java/org/apache/flink/table/client/config/SourceSink.java
---
    @@ -51,16 +51,10 @@ public void addProperties(DescriptorProperties properties) {
     	}
     
     	public Source toSource() {
    -		final Map<String, String> newProperties = new HashMap<>(properties);
    -		newProperties.replace(TableDescriptorValidator.TABLE_TYPE(),
    -				TableDescriptorValidator.TABLE_TYPE_VALUE_SOURCE());
    --- End diff --
    
    I'm just asking because I can not find what code has replaced them. Or there were some
dead code?


> Add unified format interfaces and format discovery
> --------------------------------------------------
>
>                 Key: FLINK-8558
>                 URL: https://issues.apache.org/jira/browse/FLINK-8558
>             Project: Flink
>          Issue Type: New Feature
>          Components: Streaming Connectors
>            Reporter: Timo Walther
>            Assignee: Timo Walther
>            Priority: Major
>              Labels: pull-request-available
>
> In the last release, we introduced a new module {{flink-formats}}. Currently only {{flink-avro}}
is located there but we will add more formats such as {{flink-json}}, {{flink-protobuf}},
and so on. For better separation of concerns we want decouple connectors from formats: e.g.,
remove {{KafkaAvroTableSource}} and {{KafkaJsonTableSource}}.
> A newly introduced {{FormatFactory}} will use Java service loaders to discovery available
formats in the classpath (similar to how file systems are discovered now). A {{Format}} will
provide a method for converting {{byte[]}} to target record type.



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