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https://issues.apache.org/jira/browse/FLINK-12968?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Timo Walther closed FLINK-12968.
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Resolution: Fixed
Fix Version/s: 1.9.0
Fixed in 1.9.0: 3bcd47fac93c14b23bfc8d15f1a6dccd607631fb (type generalization)
and f081e72c585bb42ceb446f7b4d731d99b2302814 (type casting)
> Add a casting utility
> ---------------------
>
> Key: FLINK-12968
> URL: https://issues.apache.org/jira/browse/FLINK-12968
> Project: Flink
> Issue Type: Sub-task
> Components: Table SQL / API
> Reporter: Timo Walther
> Assignee: Timo Walther
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.9.0
>
> Time Spent: 1h
> Remaining Estimate: 0h
>
> In order to make the new type system fully usable, we need to define logical
> casting rules that include both unsafe and safe casting, type widening etc.
> similar to the existing class:
> {{org.apache.flink.table.typeutils.TypeCoercion}}
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