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Posted to issues@flink.apache.org by "Robert Metzger (JIRA)" <ji...@apache.org> on 2017/06/26 15:12:00 UTC

[jira] [Updated] (FLINK-7003) "select * from" in Flink SQL should not flatten all fields in the table by default

     [ https://issues.apache.org/jira/browse/FLINK-7003?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robert Metzger updated FLINK-7003:
----------------------------------
    Component/s: Table API & SQL

> "select * from" in Flink SQL should not flatten all fields in the table by default
> ----------------------------------------------------------------------------------
>
>                 Key: FLINK-7003
>                 URL: https://issues.apache.org/jira/browse/FLINK-7003
>             Project: Flink
>          Issue Type: Bug
>          Components: Table API & SQL
>            Reporter: Shuyi Chen
>
> Currently, CompositeRelDataType is extended from RelRecordType(StructKind.PEEK_FIELDS, ...).  In Calcite, StructKind.PEEK_FIELDS would allow us to peek fields for nested types. However, when we use "select * from", calcite will flatten all nested fields that is marked as StructKind.PEEK_FIELDS in the table. 



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