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https://issues.apache.org/jira/browse/FLINK-13015?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16992192#comment-16992192
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Yu Li commented on FLINK-13015:
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[~dwysakowicz] It seems to me the relative PR is closed with changes merged. Is
there any work left for this issue? If so, any concern if we change the fix
version to 1.11.0? If not, could you close this JIRA? Thanks.
> Create validators, strategies and transformations required for porting
> logical expressions
> ------------------------------------------------------------------------------------------
>
> Key: FLINK-13015
> URL: https://issues.apache.org/jira/browse/FLINK-13015
> Project: Flink
> Issue Type: New Feature
> Components: Table SQL / API
> Reporter: Dawid Wysakowicz
> Assignee: Dawid Wysakowicz
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.10.0
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> The goal of this task is to implement :
> InputTypeValidator:
> * by type root
> TypeStrategies:
> * cascade
> * explicit
> TypeTransformations:
> * to_nullable
> This set of classes will enable porting
> AND/OR/NOT/IS_TRUE/IS_FALSE/IS_NOT_TRUE/IS_NOT_FALSE to new type inference
> stack.
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