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Posted to dev@parquet.apache.org by "Aaron Blake Niskode-Dossett (Jira)" <ji...@apache.org> on 2020/07/28 17:25:00 UTC
[jira] [Updated] (PARQUET-1684) [parquet-protobuf] default protobuf
field values are stored as nulls
[ https://issues.apache.org/jira/browse/PARQUET-1684?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Aaron Blake Niskode-Dossett updated PARQUET-1684:
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Attachment: image-2020-07-28-12-24-05-087.png
> [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
> Assignee: Priyank Bagrecha
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.12.0
>
> Attachments: image-2020-07-28-12-24-05-087.png
>
>
> 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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