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https://issues.apache.org/jira/browse/FLINK-12308?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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sunjincheng closed FLINK-12308.
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Resolution: Fixed
> Support python language in Flink Table API
> ------------------------------------------
>
> Key: FLINK-12308
> URL: https://issues.apache.org/jira/browse/FLINK-12308
> Project: Flink
> Issue Type: New Feature
> Components: Table SQL / API
> Affects Versions: 1.9.0
> Reporter: sunjincheng
> Assignee: sunjincheng
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.10.0
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> At the Flink API level, we have DataStreamAPI/DataSetAPI/TableAPI&SQL, the
> Table API will become the first-class citizen. Table API is declarative, and
> can be automatically optimized, which is mentioned in the Flink mid-term
> roadmap by Stephan. So, first considering supporting Python at the Table
> level to cater to the current large number of analytics users. And Flink's
> goal for Python Table API as follows:
> * Users can write Flink Table API job in Python, and should mirror Java /
> Scala Table API
> * Users can submit Python Table API job in the following ways:
> ** Submit a job with python script, integrate with `flink run`
> ** Submit a job with python script by REST service
> ** Submit a job in an interactive way, similar `scala-shell`
> ** Local debug in IDE.
> * Users can write custom functions(UDF, UDTF, UDAF)
> * Pandas functions can be used in Flink Python Table API
> A more detailed description can be found in
> [FLIP-38.|https://cwiki.apache.org/confluence/display/FLINK/FLIP-38%3A+Python+Table+API]
> For the API level, we make the following plan：
> * The short-term:
> We may initially go with a simple approach to map the Python Table API to
> the Java Table API via Py4J.
> * The long-term:
> We may need to create a Python API that follows the same structure as
> Flink's Table API that produces the language-independent DAG. (As Stephan
> already motioned on the [mailing
> thread|http://apache-flink-mailing-list-archive.1008284.n3.nabble.com/DISCUSS-FLIP-38-Support-python-language-in-flink-TableAPI-td28061.html#a28096])
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