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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (FLINK-11049) Unable to execute partial DAG
Date Mon, 03 Dec 2018 10:44:00 GMT

     [ https://issues.apache.org/jira/browse/FLINK-11049?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

ASF GitHub Bot updated FLINK-11049:
-----------------------------------
    Labels: pull-request-available  (was: )

> Unable to execute partial DAG
> -----------------------------
>
>                 Key: FLINK-11049
>                 URL: https://issues.apache.org/jira/browse/FLINK-11049
>             Project: Flink
>          Issue Type: Bug
>          Components: Job-Submission
>    Affects Versions: 1.7.0
>            Reporter: Jeff Zhang
>            Assignee: Jeff Zhang
>            Priority: Major
>              Labels: pull-request-available
>
> {code}
> val benv = ExecutionEnvironment.getExecutionEnvironment
> val btEnv = TableEnvironment.getTableEnvironment(benv)
> val data = benv.fromElements("hello world", "hello flink", "hello hadoop")
> data.writeAsText("/Users/jzhang/a.txt", FileSystem.WriteMode.OVERWRITE);
> val table = data.flatMap(line=>line.split("\\s")).
>   map(w => (w, 1)).
>   toTable(btEnv, 'word, 'number)
> btEnv.registerTable("wc", table)
> btEnv.sqlQuery("select word, count(1) from wc group by word").
>   toDataSet[Row].print()
> {code}
> In the above example, the last statement will trigger 2 job execution (writeAsText and
print), but what user expect is the print job. The root cause is that currently, flink unable
to submit partial dag. 



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