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https://issues.apache.org/jira/browse/FLINK-6196?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15960724#comment-15960724
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ASF GitHub Bot commented on FLINK-6196:
---------------------------------------
Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/3623#discussion_r110381497
--- Diff:
flink-libraries/flink-table/src/test/scala/org/apache/flink/table/utils/UserDefinedTableFunctions.scala
---
@@ -232,7 +244,8 @@ class DynamicSchemaWithRexNodes extends
TableFunction[Row] {
BasicTypeInfo.DOUBLE_TYPE_INFO,
BasicTypeInfo.DOUBLE_TYPE_INFO,
BasicTypeInfo.DOUBLE_TYPE_INFO,
- BasicTypeInfo.BOOLEAN_TYPE_INFO
+ BasicTypeInfo.BOOLEAN_TYPE_INFO,
+ SqlTimeTypeInfo.TIMESTAMP
)
}
--- End diff --
Can you add another test table function that determines the result type
based on the passed type information?
> Support dynamic schema in Table Function
> ----------------------------------------
>
> Key: FLINK-6196
> URL: https://issues.apache.org/jira/browse/FLINK-6196
> Project: Flink
> Issue Type: Improvement
> Components: Table API & SQL
> Reporter: Zhuoluo Yang
> Assignee: Zhuoluo Yang
>
> In many of our use cases. We have to decide the schema of a UDTF at the run
> time. For example. udtf('c1, c2, c3') will generate three columns for a
> lateral view.
> Most systems such as calcite and hive support this feature. However, the
> current implementation of flink didn't implement the feature correctly.
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