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Posted to dev@streams.apache.org by "Steve Blackmon (JIRA)" <ji...@apache.org> on 2015/03/11 18:40:38 UTC
[jira] [Work started] (STREAMS-293) allow for missing metadata
fields in streams-persist-hdfs
[ https://issues.apache.org/jira/browse/STREAMS-293?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Work on STREAMS-293 started by Steve Blackmon.
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> allow for missing metadata fields in streams-persist-hdfs
> ---------------------------------------------------------
>
> Key: STREAMS-293
> URL: https://issues.apache.org/jira/browse/STREAMS-293
> Project: Streams
> Issue Type: Improvement
> Reporter: Steve Blackmon
> Assignee: Steve Blackmon
>
> Currently streams-persist-hdfs writer creates (and reader expects) exactly four columns. this could be made much more flexible without too much effort.
> Update reader to support additional use cases:
> a) file paths containing one json document per line
> b) file paths containing just id and json on each line,
> c) file paths containing id timestamp and json document on each line
> Update writer support
> a) ids only
> b) ids and timestamp only
> c) ids timestamp and json only
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