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From "Ken Krugler (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AVRO-838) Support reading of files created with Avro 1.5 that use invalid characters in field and record names
Date Tue, 28 Jun 2011 15:27:16 GMT

    [ https://issues.apache.org/jira/browse/AVRO-838?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13056575#comment-13056575
] 

Ken Krugler commented on AVRO-838:
----------------------------------

Hi Doug,

Sorry for the delay. Looks like it works, thanks!

For the record, we tried it out on an Avro file created with 1.4 (and invalid chars in the
record name):

java -jar avro-tools-1.6.0-SNAPSHOT.jar getschema  ptd-sample.avro

and it successfully dumped the schema.

When we tried the same with avro-tools-1.5.1 it generated the following error:

Exception in thread "main" org.apache.avro.SchemaParseException: Illegal character in: Cascading-Schema-0


> Support reading of files created with Avro 1.5 that use invalid characters in field and
record names
> ----------------------------------------------------------------------------------------------------
>
>                 Key: AVRO-838
>                 URL: https://issues.apache.org/jira/browse/AVRO-838
>             Project: Avro
>          Issue Type: Improvement
>    Affects Versions: 1.5.0, 1.5.1
>            Reporter: Ken Krugler
>            Assignee: Doug Cutting
>             Fix For: 1.5.2
>
>         Attachments: AVRO-838.patch
>
>
> Avro 1.4 had a bug that let users create schemas with invalid characters in field and
record names.
> For example, the '-' character used to be allowed in field and record names, but Avro
1.5 will now fail.
> We need some kind of compatibility mode that supports schemas with invalid characters,
so that existing files created with Avro 1.4 can be read by Avro 1.5.

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