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https://issues.apache.org/jira/browse/FLINK-6780?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16030844#comment-16030844
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ASF GitHub Bot commented on FLINK-6780:
---------------------------------------
GitHub user haohui opened a pull request:
https://github.com/apache/flink/pull/4023
[FLINK-6780] [table] ExternalTableSource should add time attributes in the
row type
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/haohui/flink FLINK-6780
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/4023.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #4023
----
commit b06cf4f897dc37f1beb47f4bac38339fb22751ba
Author: Haohui Mai <[email protected]>
Date: 2017-05-31T08:40:53Z
[FLINK-6780] [table] ExternalTableSource should add time attributes in the
row type.
----
> 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
>
> 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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