Github user twalthr commented on a diff in the pull request:
https://github.com/apache/flink/pull/2870#discussion_r104387054
--- 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 --
All types of the right side of the operator have still only one type
information. We would only support POJOs that implement `Comparable`. We could
use a set for simple types and an usual array list for POJOs.
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