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Posted to dev@flink.apache.org by "Rui Li (Jira)" <ji...@apache.org> on 2021/03/04 06:19:00 UTC
[jira] [Created] (FLINK-21592) RemoveSingleAggregateRule fails due
to nullability mismatch
Rui Li created FLINK-21592:
------------------------------
Summary: RemoveSingleAggregateRule fails due to nullability mismatch
Key: FLINK-21592
URL: https://issues.apache.org/jira/browse/FLINK-21592
Project: Flink
Issue Type: Bug
Components: Table SQL / Planner
Reporter: Rui Li
Fix For: 1.13.0
The test case to reproduce the issue:
{code}
@Test
public void test() throws Exception {
tableEnv.executeSql("create table foo(x int,y int)");
tableEnv.executeSql("create table bar(i int,s string)");
System.out.println(tableEnv.explainSql("select (select count(x)-1 from foo where foo.y=bar.i) from bar"));
}
{code}
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