George Haddad created PARQUET-1684:
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Summary: [parquet-protobuf] default protobuf field values are
stored as nulls
Key: PARQUET-1684
URL: https://issues.apache.org/jira/browse/PARQUET-1684
Project: Parquet
Issue Type: Bug
Components: parquet-mr
Affects Versions: 1.10.0, 1.11.0
Reporter: George Haddad
When the source is a protobuf3 message, and the target file is Parquet, all the
default values are stored in the output parquet as `{{null`}} instead of the
actual type's default value.
For example, if the field is of type `int32`, `double` or `enum` and it hasn't
been set, the parquet value is `{{null`}} instead of `0`. When the field's type
is a `string` that hasn't been set, the parquet value is {{`null`}} instead of
an empty string.
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