This hasn't changed in AFAIK, In Brisk we had the same problem in CFS so we
created a sentinel value that all rows shared then it works. CASSANDRA-2915
should fix it.
On Tue, Oct 11, 2011 at 4:48 PM, Sasha Dolgy <sdo...@gmail.com> wrote:
> I was trying to get a range of rows based on a secondary_index that was
> defined. Any rows where age was greater than or equal to ... it didn't
> work. Is this a continued limitation? Did a quick look in JIRA, couldn't
> find anything.
>
> The output from "help get;" on the cli contains the following, which led me
> to believe it was a limitation on Cassandra 0.7.x and not on 0.8.x ...
>
> get <cf> where <col> <operator> <value> [
> and <col> <operator> <value> and ...] [limit <limit>];
> get <cf> where <col> <operator> <function>(<value>) [
> and <col> <operator> <function> and ...] [limit <limit>];
>
> - operator: Operator to test the column value with. Supported operators are
> =, >, >=, <, <= .
>
> In Cassandra 0.7 at least one = operator must be present.
>
> [default@sdo] get user where age >= 18;
> No indexed columns present in index clause with operator EQ
> [default@sdo] get user where gender = 1 and age >= 18
> (returns results)
>
> Tested this behavior on 0.8.2, 0.8.6 and now 0.8.7 ...
>
> create column family user
> with column_type = 'Standard'
> and comparator = 'UTF8Type'
> and default_validation_class = 'BytesType'
> and key_validation_class = 'BytesType'
> and memtable_operations = 0.24843749999999998
> and memtable_throughput = 53
> and memtable_flush_after = 1440
> and rows_cached = 0.0
> and row_cache_save_period = 0
> and keys_cached = 200000.0
> and key_cache_save_period = 14400
> and read_repair_chance = 1.0
> and gc_grace = 864000
> and min_compaction_threshold = 4
> and max_compaction_threshold = 32
> and replicate_on_write = true
> and row_cache_provider = 'ConcurrentLinkedHashCacheProvider'
> and column_metadata = [
> {column_name : 'gender',
> validation_class : LongType,
> index_name : 'user_gender_idx',
> index_type : 0},
> {column_name : 'year',
> validation_class : LongType,
> index_name : 'user_year_idx',
> index_type : 0}];
>
>
>
> --
> Sasha Dolgy
> sasha.do...@gmail.com
>
--
http://twitter.com/tjake
