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From "Jeremy Kahn (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AVRO-1318) Python schema should store fingerprints
Date Wed, 03 Jul 2013 17:52:21 GMT

    [ https://issues.apache.org/jira/browse/AVRO-1318?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13699249#comment-13699249

Jeremy Kahn commented on AVRO-1318:

I prefer the approach you ([~cutting]) suggest -- especially the object aspects of it, and
especially if the objects can be derived from {{collections.Sequence}} and {{collections.Mapping}}
so that existing accessors can keep working the same way.

Unfortunately, I don't have any free cycles for this, though I'd be happy to contribute later
in July. I don't know if this should block 1.7.5 release though.

> Python schema should store fingerprints
> ---------------------------------------
>                 Key: AVRO-1318
>                 URL: https://issues.apache.org/jira/browse/AVRO-1318
>             Project: Avro
>          Issue Type: Bug
>          Components: python
>            Reporter: Jeremy Kahn
>            Assignee: Jeremy Kahn
>            Priority: Minor
>              Labels: features
>         Attachments: AVRO-1318.patch
> Python schema objects need to produce a simple representation that demonstrates their
field identity.   {avro.schema.Schema} objects need to provide a {fingerprint} member field
to enable quick checking of schema matching (even when the schema has other, possibly changed
> Based on a patch pulled from [~laserson]'s proposed changes to make a collection of C-typing
hints.  These changes will be backwards-compatible.

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