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https://issues.apache.org/jira/browse/FLINK-4565?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15804197#comment-15804197
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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_r94922269
--- Diff:
flink-libraries/flink-table/src/test/scala/org/apache/flink/api/table/expressions/ScalarFunctionsTest.scala
---
@@ -1101,6 +1101,45 @@ class ScalarFunctionsTest extends ExpressionTestBase
{
"true")
}
+ @Test
+ def testInExpressions(): Unit = {
+ testTableApi(
--- End diff --
Can you add some more tests? E.g.
- `Null(Types.INT).in(1,2,42, Null(Types.INT))` cannot be compiled.
- Date/Time/Timestamp types which are represented as int/long internally.
- POJOs/Tuples/Case classes
- Fields in the set `f2.in(f3, f4, 4)`
> 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: Nikolay Vasilishin
>
> 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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