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Posted to dev@flink.apache.org by "Dawid Wysakowicz (JIRA)" <ji...@apache.org> on 2019/06/27 11:07:00 UTC

[jira] [Created] (FLINK-13015) Create validators, strategies and transformations required for porting logical expressions

Dawid Wysakowicz created FLINK-13015:
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             Summary: 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
    Affects Versions: 1.9.0
            Reporter: Dawid Wysakowicz
            Assignee: Dawid Wysakowicz
             Fix For: 1.9.0


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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