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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-8038) Support MAP value constructor
Date Tue, 21 Nov 2017 16:12:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-8038?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16260970#comment-16260970
] 

ASF GitHub Bot commented on FLINK-8038:
---------------------------------------

Github user asfgit closed the pull request at:

    https://github.com/apache/flink/pull/5015


> Support MAP value constructor
> -----------------------------
>
>                 Key: FLINK-8038
>                 URL: https://issues.apache.org/jira/browse/FLINK-8038
>             Project: Flink
>          Issue Type: New Feature
>          Components: Table API & SQL
>            Reporter: Rong Rong
>            Assignee: Rong Rong
>             Fix For: 1.5.0
>
>
> Similar to https://issues.apache.org/jira/browse/FLINK-4554
> We want to support Map value constructor which is supported by Calcite:
> https://calcite.apache.org/docs/reference.html#value-constructors
> {code:sql}
> SELECT
>   MAP['key1', f0, 'key2', f1] AS stringKeyedMap,
>   MAP['key', 'value'] AS literalMap,
>   MAP[f0, f1] AS fieldMap
> FROM
>   table
> {code}
> This should enable users to construct MapTypeInfo, one of the CompositeType.



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