[
https://issues.apache.org/jira/browse/FLINK-13284?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
lincoln lee closed FLINK-13284.
-------------------------------
> Correct some builtin functions' return type inference in Blink planner
> ----------------------------------------------------------------------
>
> Key: FLINK-13284
> URL: https://issues.apache.org/jira/browse/FLINK-13284
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Planner
> Affects Versions: 1.9.0
> Reporter: lincoln lee
> Assignee: lincoln lee
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.9.0
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Several builtin functions in Blink planner such as
> {code:java}
> DATE_FORMAT{code}
> declares
> {code:java}
> ReturnTypes.cascade(ReturnTypes.explicit(SqlTypeName.VARCHAR),
> SqlTypeTransforms.TO_NULLABLE){code}
> which should be
> {code:java}
> ReturnTypes.cascade(ReturnTypes.explicit(SqlTypeName.VARCHAR),
> SqlTypeTransforms.FORCE_NULLABLE){code}
> instead.
--
This message was sent by Atlassian Jira
(v8.20.10#820010)
