On Sun 03 Feb 2013 08:19:08 PM CST, Paul van Hoven wrote:
Thanks for the answer. If I understand that correctly I had to do the
following to repair my query:

cqlsh:demodb> select * from ola where date < '2013-01-01' and date =
'2013-01-01' limit 10;
Bad Request: datum cannot be restricted by more than one relation if
it includes an Equal
Perhaps you meant to use CQL 2? Try using the -2 option when starting cqlsh.

So, this still fails. Therefore I'm not shure whether I missunderstand
the issue or if it does not solve my problem.

2013/2/3 Manu Zhang <owenzhang1...@gmail.com>:
On Sun 03 Feb 2013 07:36:58 AM CST, Paul van Hoven wrote:

I've got a table that has a column called date. I created an index on
the column date with the following command:

CREATE INDEX date_key ON ola (date);

Now, I can perform the following command:

select * from ola where date = '2013-01-01' limit 10;

The results are correctly displayed.

But the the following command fails:
cqlsh:demodb> select * from ola where date > '2013-01-01' limit 10;
Bad Request: No indexed columns present in by-columns clause with Equal
operator
Perhaps you meant to use CQL 2? Try using the -2 option when starting
cqlsh.

The same happens when using
cqlsh:demodb> select * from ola where date >= '2013-01-01' limit 10;
Bad Request: No indexed columns present in by-columns clause with Equal
operator
Perhaps you meant to use CQL 2? Try using the -2 option when starting
cqlsh.

Why does this happen?


because only EQ operator is allowed. There is a similar question in an
earlier thread, and as pointed out by Sylvain,
https://issues.apache.org/jira/browse/CASSANDRA-4476 may finally solve it.

only EQ is supported for the current so "date < '2013-01-01' will fail. I think you could include date into the primary key such that you're able to get data after or before a certain date

Reply via email to