[jira] [Assigned] (FLINK-6424) Add basic helper functions for map type

["Haohui Mai (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-6424?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Haohui Mai reassigned FLINK-6424:
---------------------------------

    Assignee: Haohui Mai

> Add basic helper functions for map type
> ---------------------------------------
>
>                 Key: FLINK-6424
>                 URL: https://issues.apache.org/jira/browse/FLINK-6424
>             Project: Flink
>          Issue Type: New Feature
>          Components: Table API & SQL
>            Reporter: Timo Walther
>            Assignee: Haohui Mai
>
> FLINK-6377 introduced the map type for the Table & SQL API. We still need to implement functions around this type:
> - the value constructor in SQL that constructs a map {{MAP ‘[’ key, value [, key, value ]* ‘]’}}
> - the value constructur in Table API {{map(key, value,...)}} (syntax up for discussion)
> - {{ELEMENT, CARDINALITY}} for SQL API
> - {{.at(), .cardinality(), and .element()}} for Table API in Scala & Java



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