[
https://issues.apache.org/jira/browse/FLINK-13777?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17128408#comment-17128408
]
Dawid Wysakowicz commented on FLINK-13777:
------------------------------------------
[~twalthr] Wasn't this implemented with {{BridgingSqlFunction}} ?
> Introduce sql function wrappers and conversion to ExpressionConverter
> ---------------------------------------------------------------------
>
> Key: FLINK-13777
> URL: https://issues.apache.org/jira/browse/FLINK-13777
> Project: Flink
> Issue Type: Sub-task
> Components: Table SQL / Planner
> Reporter: Jingsong Lee
> Priority: Major
>
> For remove the extended calcite sql functions, we introduce wrappers to wrap
> flink FunctionDefinition:
> 1.Add SqlReturnTypeInferenceWrapper to wrap TypeStrategy
> 2.Add SqlOperandTypeInferenceWrapper to wrap InputTypeStrategy
> 3.Add SqlOperandTypeCheckerWrapper to wrap InputTypeValidator
> 4.Add SqlFunctionWrapper to wrap SqlFunction
> 5.Add SqlFunctionWrapper converter and Standard sql converter
--
This message was sent by Atlassian Jira
(v8.3.4#803005)
