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https://issues.apache.org/jira/browse/FLINK-4565?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15892485#comment-15892485
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ASF GitHub Bot commented on FLINK-4565:
---------------------------------------
Github user twalthr commented on a diff in the pull request:
https://github.com/apache/flink/pull/2870#discussion_r103962015
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/api/table/table.scala
---
@@ -150,7 +150,35 @@ class Table(
* }}}
*/
def filter(predicate: Expression): Table = {
- new Table(tableEnv, Filter(predicate, logicalPlan).validate(tableEnv))
+
+ predicate match {
--- End diff --
The IN operator can also be used in a `select()` statement but if we do the
translation here, only `filter()` is supported.
> Support for SQL IN operator
> ---------------------------
>
> Key: FLINK-4565
> URL: https://issues.apache.org/jira/browse/FLINK-4565
> Project: Flink
> Issue Type: Improvement
> Components: Table API & SQL
> Reporter: Timo Walther
> Assignee: Dmytro Shkvyra
>
> It seems that Flink SQL supports the uncorrelated sub-query IN operator. But
> it should also be available in the Table API and tested.
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