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Posted to issues@flink.apache.org by "Dawid Wysakowicz (JIRA)" <ji...@apache.org> on 2019/06/27 10:53:00 UTC

[jira] [Updated] (FLINK-12996) Add predefined type validators, strategies, and transformations

     [ https://issues.apache.org/jira/browse/FLINK-12996?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dawid Wysakowicz updated FLINK-12996:
-------------------------------------
    Affects Version/s: 1.9.0

> Add predefined type validators, strategies, and transformations
> ---------------------------------------------------------------
>
>                 Key: FLINK-12996
>                 URL: https://issues.apache.org/jira/browse/FLINK-12996
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Table SQL / API
>    Affects Versions: 1.9.0
>            Reporter: Timo Walther
>            Assignee: Timo Walther
>            Priority: Major
>             Fix For: 1.9.0
>
>
>  FLINK-12924 introduced new interfaces for performing type inference. We need a set of predefined type validators, strategies, and transformations implemented with the new interfaces in order to represent the old type checking logic. Those interfaces can be inspired by Calcite's {{org.apache.calcite.sql.type.ReturnTypes}}, {{org.apache.calcite.sql.type.OperandTypes}}, and {{org.apache.calcite.sql.type.SqlTypeTransforms}}.



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