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https://issues.apache.org/jira/browse/AVRO-1402?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ryan Blue updated AVRO-1402:
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Attachment: AVRO-1402-logical-type-spec-6.patch
Here is a patch with a basic implementation of the logical type enforcement in
the Schema. It isn't quite done, but it is working and I wanted to get
something out for feedback as soon as possible. Please let me know if this
doesn't look right!
Changes:
* Add a LogicalType class, with "decimal" and "fromJsonNode" static factory
methods
* Add setLogicalType and getLogicalType to Schema. The setter calls "validate"
and only sets a logical type if it is valid for the schema.
* Update the parsing code to check for "logicalType" and use "fromJsonNode" to
deserialize. Falls back to property representation if invalid.
* Add private method "writeLogicalType" to Schema and call when properties are
written to ensure logical types are in written Schemas.
Still to do:
* Update equals and hashCode
* Testing
> Support for DECIMAL 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
> Assignee: Tom White
> Priority: Minor
> Labels: Hive
> Fix For: 1.7.7
>
> Attachments: AVRO-1402-logical-type-spec-2.patch,
> AVRO-1402-logical-type-spec-3.patch, AVRO-1402-logical-type-spec-4.patch,
> AVRO-1402-logical-type-spec-5.patch, AVRO-1402-logical-type-spec-6.patch,
> AVRO-1402-logical-type-spec.patch, AVRO-1402.patch, AVRO-1402.patch,
> AVRO-1402.patch, AVRO-1402.patch, UnixEpochRecordMapping.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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