Shuyi Chen created FLINK-7003:
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Summary: "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
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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