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From "Rong Rong (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (FLINK-8038) Support MAP value constructor
Date Wed, 08 Nov 2017 22:40:00 GMT

     [ https://issues.apache.org/jira/browse/FLINK-8038?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Rong Rong updated FLINK-8038:
-----------------------------
    Summary: Support MAP value constructor  (was: Support MAP literal)

> 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
>
> Similar to https://issues.apache.org/jira/browse/FLINK-4554
> We want to support Map literals 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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