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https://issues.apache.org/jira/browse/FLINK-12899?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Timo Walther closed FLINK-12899.
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Resolution: Fixed
Fix Version/s: 1.9.0
Fixed in 1.9.0: c80be06325db50239dd2bc827391a1295c5b6b3b
> Introduce a resolved expression with data type
> ----------------------------------------------
>
> Key: FLINK-12899
> URL: https://issues.apache.org/jira/browse/FLINK-12899
> 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: 10m
> Remaining Estimate: 0h
>
> In order to move the \{{OperationTreeBuilder}} and expression resolver rules
> to the \{{flink-table-api-java}} module, we need to distinguish between
> general expression and resolved expressions. All resolved expressions have a
> output data type and are potentially serializable.
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