Timo Walther created FLINK-6424:
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Summary: 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
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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