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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_r94806152 --- Diff: flink-libraries/flink-table/src/main/scala/org/apache/flink/api/table/codegen/CodeGenerator.scala --- @@ -870,6 +870,16 @@ class CodeGenerator( requireTimeInterval(operand) generateUnaryIntervalPlusMinus(plus = true, nullCheck, operand) + case IN => + val left = operands.head + val right = operands.tail + val addReusableCodeCallback = (declaration: String, initialization: String) => { --- End diff -- Why do we need this callback here? Couldn't we just call those methods from the `generateIn` method? > 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. -- This message was sent by Atlassian JIRA (v6.3.4#6332)