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Posted to commits@calcite.apache.org by GitBox <gi...@apache.org> on 2019/12/04 12:28:10 UTC

[GitHub] [calcite] yanlin-Lynn opened a new pull request #1630: [CALCITE-3567] Unnest support Map wrapped with RecordType

yanlin-Lynn opened a new pull request #1630: [CALCITE-3567] Unnest support Map wrapped with RecordType
URL: https://github.com/apache/calcite/pull/1630
 
 
   JIRA: [CALCITE-3567](https://issues.apache.org/jira/browse/CALCITE-3567)
   
   Currently, UNNEST(RECORDTYPE(ARRAY)) and UNNEST(RECORDTYPE(MULTISET)) works well, but UNNEST(RECORDTYPE(MAP)) is not supported.
   Because `SqlUnnestOperator` use [SCALAR_OR_RECORD_COLLECTION_OR_MAP](https://github.com/apache/calcite/blob/master/core/src/main/java/org/apache/calcite/sql/type/OperandTypes.java#L581), and it just checks `MULTISET` and `ARRAY` in `RecordType`.
   
   This PR tries to add check for `MAP` in `RecordType` for `SqlUnnestOperator` too.

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