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HBase >> mail # user >> Column qualifiers with hierarchy and filters


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Nasron Cheong 2013-11-01, 01:19
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Re: Column qualifiers with hierarchy and filters
Can you give an example of your query?

On Friday, November 1, 2013, Nasron Cheong wrote:

> Hi,
>
> I'm trying to determine the best way to serialize a sequence of
> integers/strings that represent a hierarchy for a column qualifier, which
> would be compatible with the ColumnPrefixFilters, and BinaryComparators.
>
> However, due to the lexicographical sorting, it's awkward to serialize the
> sequence of values needed to get it to work.
>
> What are the typical solutions to this? Do people just zero pad integers to
> make sure they sort correctly? Or do I have to implement my own
> QualifierFilter - which seems expensive since I'd be deserializing every
> byte array just to compare.
>
> Thanks
>
> - Nasron
>
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Nasron Cheong 2013-11-04, 21:48
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Jean-Marc Spaggiari 2013-11-05, 17:28
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Nasron Cheong 2013-11-05, 21:58
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Premal Shah 2013-11-06, 01:28
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Nasron Cheong 2013-11-06, 14:48
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Jean-Marc Spaggiari 2013-11-07, 13:39
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Nasron Cheong 2013-11-07, 17:47
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Ted Yu 2013-11-07, 17:49
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Asaf Mesika 2013-11-10, 21:04