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https://issues.apache.org/jira/browse/HBASE-1249?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12680669#action_12680669
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Jonathan Gray commented on HBASE-1249:
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To be more clear about the API, above is a pseudo-api that doesn't make sense.
In the first method with byte [][] columns, that would have to include
families. There's no such thing as a column w/o a family.
My thought for a new API is to try and mirror the new key format. Basically,
for gets you'd have a row, and then a set of keys that represented what you
wanted to filter by. If it's columns, then you'd have keys that had both the
family and the column. If it's families, you'd have the family in the key but
an empty column value. Do we support empty column values? if so, we might
also make use of the extra type bits to add more info...
> Rearchitecting of server, client, API, key format, etc for 0.20
> ---------------------------------------------------------------
>
> Key: HBASE-1249
> URL: https://issues.apache.org/jira/browse/HBASE-1249
> Project: Hadoop HBase
> Issue Type: Improvement
> Reporter: Jonathan Gray
> Priority: Blocker
> Fix For: 0.20.0
>
>
> To discuss all the new and potential issues coming out of the change in key
> format (HBASE-1234): zero-copy reads, client binary protocol, update of API
> (HBASE-880), server optimizations, etc...
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