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https://issues.apache.org/jira/browse/FLINK-40355?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sergey Nuyanzin resolved FLINK-40355.
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Fix Version/s: 2.4.0
Assignee: Vas Shabu (was: Gustavo de Morais)
Resolution: Fixed
> Add MAP_CONTAINS_KEY function
> -----------------------------
>
> Key: FLINK-40355
> URL: https://issues.apache.org/jira/browse/FLINK-40355
> Project: Flink
> Issue Type: Improvement
> Components: Table SQL / API
> Reporter: Gustavo de Morais
> Assignee: Vas Shabu
> Priority: Major
> Labels: pull-request-available
> Fix For: 2.4.0
>
>
> Add the built-in function {{MAP_CONTAINS_KEY(map, key)}} to Flink SQL, backed
> by the existing Calcite implementation. Returns TRUE if the map contains the
> given key.
> Includes function definition, validation, implementation, and docs.
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