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https://issues.apache.org/jira/browse/AVRO-1402?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13956555#comment-13956555
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Sean Busbey commented on AVRO-1402:
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bq. If we do choose to storing scale per row, I'm wondering if byte instead of
int can be used as the type, saving some storage scale.
Presuming we store the scale with [standard Avro
primitives|http://avro.apache.org/docs/current/spec.html#binary_encode_primitive],
there is no byte type. And if the values are normally in the range of byte,
then we'll save on some space with the normal variable length zig-zag encoding.
> Support for DECIMAL primitive type
> ----------------------------------
>
> Key: AVRO-1402
> URL: https://issues.apache.org/jira/browse/AVRO-1402
> Project: Avro
> Issue Type: New Feature
> Affects Versions: 1.7.5
> Reporter: Mariano Dominguez
> Priority: Minor
> Labels: Hive
> Attachments: AVRO-1402.patch, AVRO-1402.patch, AVRO-1402.patch
>
>
> Currently, Avro does not seem to support a DECIMAL type or equivalent.
> http://avro.apache.org/docs/1.7.5/spec.html#schema_primitive
> Adding DECIMAL support would be particularly interesting when converting
> types from Avro to Hive, since DECIMAL is already a supported data type in
> Hive (0.11.0).
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