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From Clint Kelly <clint.ke...@gmail.com>
Subject Re: CQL: Any way to have inequalities on multiple clustering columns in a WHERE clause?
Date Fri, 28 Feb 2014 15:16:53 GMT
Yes, thank you!!!!!!!!!!!!!


On Thu, Feb 27, 2014 at 10:26 PM, DuyHai Doan <doanduyhai@gmail.com> wrote:

> Clint, what you want is this :
> https://issues.apache.org/jira/browse/CASSANDRA-4851
>
> select * from foo where key=something and fam = 'Info' and (qual,version)
> > ('A',2013) and qual < 'D' ALLOW FILTERING
>
>
> On Fri, Feb 28, 2014 at 6:57 AM, Clint Kelly <clint.kelly@gmail.com>wrote:
>
>> All,
>>
>> Is there any way to have inequalities comparisons on multiple clustering
>> columns in a WHERE clause in CQL?  For example, I'd like to do:
>>
>> select * from foo where fam = 'Info' and qual > 'A' and qual < 'D' and
>> version > 2013 ALLOW FILTERING;
>>
>> I get an error:
>>
>>     Bad Request: PRIMARY KEY part version cannot be restricted (preceding
>> part qual is either not restricted or by a non-EQ relation)
>>
>> when I try this.  Is there any way to make a query like this work?  I
>> understand that this query will not be a nice, continuous scan of data, but
>> I'd rather have a slower query than have to do all of this filtering on the
>> client side.  Any other suggestions?
>>
>> BTW my table looks like this:
>>
>> CREATE TABLE foo (
>>   key text,
>>   fam text,
>>   qual text,
>>   version int,
>>   val text,
>>   PRIMARY KEY (key, fam, qual, version)
>> ) WITH
>>   bloom_filter_fp_chance=0.010000 AND
>>   caching='KEYS_ONLY' AND
>>   comment='' AND
>>   dclocal_read_repair_chance=0.000000 AND
>>   gc_grace_seconds=864000 AND
>>   index_interval=128 AND
>>   read_repair_chance=0.100000 AND
>>   replicate_on_write='true' AND
>>   populate_io_cache_on_flush='false' AND
>>   default_time_to_live=0 AND
>>   speculative_retry='99.0PERCENTILE' AND
>>   memtable_flush_period_in_ms=0 AND
>>   compaction={'class': 'SizeTieredCompactionStrategy'} AND
>>   compression={'sstable_compression': 'LZ4Compressor'};
>>
>> Best regards,
>> Clint
>>
>
>

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