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https://issues.apache.org/jira/browse/FLINK-31691?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Flink Jira Bot updated FLINK-31691:
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Labels: pull-request-available stale-assigned (was: pull-request-available)
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> Add MAP_FROM_ENTRIES supported in SQL & Table API
> -------------------------------------------------
>
> Key: FLINK-31691
> URL: https://issues.apache.org/jira/browse/FLINK-31691
> Project: Flink
> Issue Type: Improvement
> Components: Table SQL / Planner
> Affects Versions: 1.18.0
> Reporter: Jacky Lau
> Assignee: Jacky Lau
> Priority: Major
> Labels: pull-request-available, stale-assigned
> Fix For: 1.18.0
>
>
> map_from_entries(map) - Returns a map created from an arrays of row with two
> fields. Note that the number of fields in a row array should be 2 and the key
> of a row array should not be null.
> Syntax:
> map_from_entries(array_of_rows)
> Arguments:
> array_of_rows: an arrays of row with two fields.
> Returns:
> Returns a map created from an arrays of row with two fields. Note that the
> number of fields in a row array should be 2 and the key of a row array should
> not be null.
> Returns null if the argument is null
> {code:sql}
> > SELECT map_from_entries(map[1, 'a', 2, 'b']);
> [(1,"a"),(2,"b")]{code}
> See also
> presto [https://prestodb.io/docs/current/functions/map.html]
> spark https://spark.apache.org/docs/latest/api/sql/index.html#map_from_entries
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