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https://issues.apache.org/jira/browse/AVRO-680?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14328289#comment-14328289
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ASF GitHub Bot commented on AVRO-680:
-------------------------------------
GitHub user sachingsachin opened a pull request:
https://github.com/apache/avro/pull/17
AVRO-680: Non-string map keys support
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/sachingsachin/avro AVRO-680
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/avro/pull/17.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #17
----
commit f02f88cc237db252efe9c4c688ad7d91adb3b47e
Author: Sachin Goyal <[email protected]>
Date: 2015-02-19T23:11:02Z
AVRO-680: Non-string map keys support
----
> Allow for non-string keys
> -------------------------
>
> Key: AVRO-680
> URL: https://issues.apache.org/jira/browse/AVRO-680
> Project: Avro
> Issue Type: Improvement
> Affects Versions: 1.7.6, 1.7.7
> Reporter: Jeremy Hanna
> Attachments: AVRO-680.patch, AVRO-680.patch, AVRO-680.patch,
> PERF_8000_cycles.zip, isMap_Call_Hierarchy.png, non_string_map_keys.zip,
> non_string_map_keys2.zip, non_string_map_keys3.zip,
> non_string_map_keys4.patch, non_string_map_keys5.patch,
> non_string_map_keys6.patch, non_string_map_keys7.patch,
> non_string_map_perf.txt, non_string_map_perf2.txt, original_perf.txt
>
>
> Based on an email thread back in April, Doug Cutting proposed a possible
> solution for having non-string keys:
> Stu Hood wrote:
> > I can understand the reasoning behind AVRO-9, but now I need to look for an
> > alternative to a 'map' that will allow me to store an association of bytes
> > keys to values.
> A map of Foo has the same binary format as an array of records, each
> with a string field and a Foo field. So an application can use an array
> schema similar to this to represent map-like structures with, e.g.,
> non-string keys.
> Perhaps we could establish standard properties that indicate that a
> given array of records should be represented in a map-like way if
> possible? E.g.,:
> {"type": "array", "isMap": true, "items": {"type":"record", ...}}
> Doug
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