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Posted to dev@avro.apache.org by "Doug Cutting (JIRA)" <ji...@apache.org> on 2013/09/11 23:56:52 UTC
[jira] [Updated] (AVRO-1366) Avro 1.7.5 specification description
of Object Container Files Metadata is wrong
[ https://issues.apache.org/jira/browse/AVRO-1366?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Doug Cutting updated AVRO-1366:
-------------------------------
Fix Version/s: 1.7.6
Assignee: Doug Cutting
Status: Patch Available (was: Open)
I'll commit this soon unless there are objections.
> Avro 1.7.5 specification description of Object Container Files Metadata is wrong
> --------------------------------------------------------------------------------
>
> Key: AVRO-1366
> URL: https://issues.apache.org/jira/browse/AVRO-1366
> Project: Avro
> Issue Type: Bug
> Components: spec
> Affects Versions: 1.7.5
> Environment: http://avro.apache.org/docs/current/spec.html
> Reporter: John McHugh
> Assignee: Doug Cutting
> Labels: documentation, patch
> Fix For: 1.7.6
>
> Attachments: AVRO-1366.patch
>
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> In the documentation, the metadata is described as
> "File metadata consists of:
> A long indicating the number of metadata key/value pairs.
> For each pair, a string key and bytes value."
> In fact, the metadata appears to be a map. If this is the case, the description should be something like.
> "File metadata is represented by an Avro map coded as a series of blocks where each block consists of:
> A long indicating the number of metadata map key/value pairs in the block.
> For each pair, a string key and bytes value.
> A long value of zero following a block indicates that there are no more blocks in the map."
> Attempting to process the metadata using the existing specification results in an unexplained 0 byte following the last bytes value.
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