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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HBASE-1837) Fix results contract (If row has no results, return null, if Result has no results return null or empty Sets and Arrays?)
Date Sat, 11 Apr 2015 00:38:12 GMT

     [ https://issues.apache.org/jira/browse/HBASE-1837?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrew Purtell resolved HBASE-1837.
-----------------------------------
    Resolution: Incomplete

> Fix results contract (If row has no results, return null, if Result has no results return
null or empty Sets and Arrays?)
> -------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-1837
>                 URL: https://issues.apache.org/jira/browse/HBASE-1837
>             Project: HBase
>          Issue Type: Task
>            Reporter: stack
>
> Make sure we are consistent regards results contract.  As jgray says:
> {code}
> 17:47 < jgray> decisions are things like, if the result is empty do we return nulls
or do we return empty 
>                lists/0-length arrays
> 17:47 < jgray> if result is empty, do we return null for row?
> 17:47 < jgray> and if row is the null row, we then return zero-length byte[0]
> 17:48 < St^Ack_> So, if row is empty, we return null (I believe)
> 17:48 < jgray> yes
> 17:49 < St^Ack_> If you have a result, up to this, if empty, it would not return
null stuff.
> 17:49 < jgray> no it did return null stuff
> 17:49 < jgray> at least many of them did
> 17:49 < St^Ack_> oh.. ok.
> 17:49 < jgray> but then my result delayed deserialization broke that on one case
> 17:49 < St^Ack_> I thought I'd added it w/ 1836?
> 17:49 < jgray> yeah u fixed what i broke, i think
> 17:50 < jgray> but we should nail down the contract, specify what it is in javadoc,
and add unit tests to verify such
> ...
> {code}



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