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https://issues.apache.org/jira/browse/FLINK-7446?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16179071#comment-16179071
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ASF GitHub Bot commented on FLINK-7446:
---------------------------------------
Github user twalthr commented on a diff in the pull request:
https://github.com/apache/flink/pull/4710#discussion_r140774786
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/codegen/CodeGenerator.scala
---
@@ -255,11 +255,30 @@ abstract class CodeGenerator(
generateRowtimeAccess()
case TimeIndicatorTypeInfo.PROCTIME_MARKER =>
// attribute is proctime indicator.
- // We use a null literal and generate a timestamp when we need it.
+ // we use a null literal and generate a timestamp when we need it.
generateNullLiteral(TimeIndicatorTypeInfo.PROCTIME_INDICATOR)
case idx =>
- // regular attribute. Access attribute in input data type.
- generateInputAccess(input1, input1Term, idx)
+ // get type of result field
--- End diff --
add a comment that this is needed for `TableSource`?
> Support to define an existing field as the rowtime field for TableSource
> ------------------------------------------------------------------------
>
> Key: FLINK-7446
> URL: https://issues.apache.org/jira/browse/FLINK-7446
> Project: Flink
> Issue Type: Improvement
> Components: Table API & SQL
> Reporter: Jark Wu
> Assignee: Fabian Hueske
>
> Currently {{DefinedRowtimeAttribute}} can define an appended rowtime field
> for a {{TableSource}}. But it would be helpful if we can support to define an
> existing field as the rowtime field. Just like registering a DataStream, the
> rowtime field can be appended but also can replace an existing field.
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