Ryan Blue created PARQUET-332:
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Summary: Incompatible changes in o.a.p.thrift.projection
Key: PARQUET-332
URL: https://issues.apache.org/jira/browse/PARQUET-332
Project: Parquet
Issue Type: Bug
Components: parquet-mr
Reporter: Ryan Blue
Fix For: 1.8.0
There are incompatible changes in o.a.p.thrift.projection that weren't caught
because of PARQUET-330:
* The return type of [{{FieldsPath#push(ThriftField)}}
changed|https://github.com/apache/parquet-mr/commit/ded56ffd598e41e32817f6c1b091595fe7122e8b#diff-e990fead0bb1a6faa5080efba86bc81fL34]
([return type compatibility
ref|https://docs.oracle.com/javase/specs/jls/se7/html/jls-13.html#jls-13.4.15])
* [{{FieldProjectionFilter}} changed to an
interface|https://github.com/apache/parquet-mr/commit/7fc7998398373a14b4cdc0ce18abdeb221b1ccf9#diff-49628343f8d6daf6cb774b6c6ccab82cL29]
Both of these are incompatibilities if {{FieldProjectionFilter}} is part of the
public API, which it appears to be because it is used by the ScroogeReadSupport
and the ThriftSchemaConverter (public constructor).
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