[jira] [Commented] (FLINK-6780) ExternalTableSource should add time attributes in the row type

["Robert Metzger (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-6780?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16034338#comment-16034338 ] 

Robert Metzger commented on FLINK-6780:
---------------------------------------

Fix Version/s says 1.3.0, but that's not true, right?


> ExternalTableSource should add time attributes in the row type
> --------------------------------------------------------------
>
>                 Key: FLINK-6780
>                 URL: https://issues.apache.org/jira/browse/FLINK-6780
>             Project: Flink
>          Issue Type: Bug
>          Components: Table API & SQL
>            Reporter: Haohui Mai
>            Assignee: Haohui Mai
>            Priority: Critical
>             Fix For: 1.3.0, 1.4.0
>
>
> We observed that all streaming queries that refer to external tables fail when the Volcano planner converting {{LogicalTableScan}} to {{FlinkLogicalTableSourceScan}}:
> {noformat}
> Type mismatch:
> rowtype of new rel:
> RecordType(<table schema>, TIMESTAMP(3) NOT NULL proctime) NOT NULL
> rowtype of set:
> RecordType(<table schema>, ...) NOT NULL
> {noformat}
> Tables that are registered through {{StreamTableEnvironment#registerTableSource()}} do not suffer from this problem as {{StreamTableSourceTable}} adds the processing time / event time attribute automatically.



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