[
https://issues.apache.org/jira/browse/FLINK-38720?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Sergey Nuyanzin resolved FLINK-38720.
-------------------------------------
Fix Version/s: 2.3.0
Resolution: Fixed
> Nested nullability might lead to class cast RexCall cannot be cast to class
> RexFieldAccess
> ------------------------------------------------------------------------------------------
>
> Key: FLINK-38720
> URL: https://issues.apache.org/jira/browse/FLINK-38720
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Planner
> Reporter: Sergey Nuyanzin
> Assignee: Sergey Nuyanzin
> Priority: Major
> Labels: pull-request-available
> Fix For: 2.3.0
>
>
> for example
> {code:scala}
> util.tableEnv
> .executeSql(
> "CREATE TABLE `testcat.db.tb1.v1` (\n"
> + " `field0` ROW<`nested` STRING NOT NULL>\n"
> + ") WITH (\n"
> + " 'connector' = 'values',\n"
> + " 'bounded' = 'true'\n"
> + ")")
> util.tableEnv
> .executeSql(
> "CREATE TABLE `testcat.db.tb2.v1` (\n"
> + " `field0` ROW< `nested0` ROW< `nested1` ROW<`nested2`
> ROW<`nested3` STRING NOT NULL>>>>\n"
> + ") WITH (\n"
> + " 'connector' = 'values',\n"
> + " 'bounded' = 'true'\n"
> + ")")
> util.verifyExecPlan(
> " SELECT \n"
> + " 1\n"
> + "FROM `testcat.db.tb2.v1` t2\n"
> + "WHERE NOT EXISTS (\n"
> + " SELECT 1\n"
> + " FROM `testcat.db.tb1.v1` t\n"
> + " WHERE `t`.`field0`.`nested` =
> `t2`.`field0`.`nested0`.`nested2`.`nested3`\n"
> + ")")
> {code}
--
This message was sent by Atlassian Jira
(v8.20.10#820010)
