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Posted to user@cassandra.apache.org by Shuo Chen <ch...@gmail.com> on 2015/08/05 05:35:07 UTC
Retrieve all the columnfamily / tables of thrift and CQL from the
keyspace in cassandra
Hi,
I use hector to manipulate cassandra of version 2.1.8 and want to retrieve
all the tables from certain keyspace in an application. I use
"KeyspaceDefinition.getCfDefs()" to retrieve the columnfamily list in a
keyspace.
However, I found that the getCfDefs() function can just retrieve the
columnfamily created by the thrift api such as
"me.prettyprint.hector.api.Cluster.updateColumnFamily" but not table
created by CQL such as cqlsh client.
Then, how to retrieve all the tables from certain keyspace?
I asked the same question on stackoverflow
http://stackoverflow.com/questions/31804797/retrieve-all-the-columnfamily-tables-of-thrift-and-cql-from-the-keyspace-in-ca
----
Shuo Chen
Re: Retrieve all the columnfamily / tables of thrift and CQL from the
keyspace in cassandra
Posted by Jonathan Haddad <jo...@jonhaddad.com>.
+1. The project hasn't had a single relevant commit in almost a full year
and is now officially unsupported. Migrate your data asap to CQL.
On Wed, Aug 5, 2015 at 9:05 AM Alain RODRIGUEZ <ar...@gmail.com> wrote:
> Hi
>
> "I use hector" --> This is a very bad idea imho, even more while using C*
> 2.1.
>
> Hector is not maintained for a while and it uses the thrift protocol that
> allow accessing to limited features with worst performances than native /
> cql.
>
> See http://www.datastax.com/dev/blog/cassandra-2-1-now-over-50-faster
>
> Your issue is completely assumed, it is not an issue. A thrift client
> can't see tables created through CQL (more precisely, I think it can't see
> any table not created with "COMPACT STORAGE", but I can be wrong on this)
>
> Last thing is that I am not sure that anyone at all is still using Hector,
> so support you might receive will be worst imho.
>
> Is there a reason for you to use Hector over the datastax java driver ?
>
> Sorry about the bad news, but you really shouldn't stick with Hector.
>
> C*heers
>
>
>
> 2015-08-05 5:35 GMT+02:00 Shuo Chen <ch...@gmail.com>:
>
>> Hi,
>>
>> I use hector to manipulate cassandra of version 2.1.8 and want to
>> retrieve all the tables from certain keyspace in an application. I use
>> "KeyspaceDefinition.getCfDefs()" to retrieve the columnfamily list in a
>> keyspace.
>>
>> However, I found that the getCfDefs() function can just retrieve the
>> columnfamily created by the thrift api such as
>> "me.prettyprint.hector.api.Cluster.updateColumnFamily" but not table
>> created by CQL such as cqlsh client.
>>
>> Then, how to retrieve all the tables from certain keyspace?
>>
>> I asked the same question on stackoverflow
>>
>>
>> http://stackoverflow.com/questions/31804797/retrieve-all-the-columnfamily-tables-of-thrift-and-cql-from-the-keyspace-in-ca
>>
>> ----
>>
>> Shuo Chen
>>
>
>
Re: Retrieve all the columnfamily / tables of thrift and CQL from the
keyspace in cassandra
Posted by Alain RODRIGUEZ <ar...@gmail.com>.
Hi
"I use hector" --> This is a very bad idea imho, even more while using C*
2.1.
Hector is not maintained for a while and it uses the thrift protocol that
allow accessing to limited features with worst performances than native /
cql.
See http://www.datastax.com/dev/blog/cassandra-2-1-now-over-50-faster
Your issue is completely assumed, it is not an issue. A thrift client can't
see tables created through CQL (more precisely, I think it can't see any
table not created with "COMPACT STORAGE", but I can be wrong on this)
Last thing is that I am not sure that anyone at all is still using Hector,
so support you might receive will be worst imho.
Is there a reason for you to use Hector over the datastax java driver ?
Sorry about the bad news, but you really shouldn't stick with Hector.
C*heers
2015-08-05 5:35 GMT+02:00 Shuo Chen <ch...@gmail.com>:
> Hi,
>
> I use hector to manipulate cassandra of version 2.1.8 and want to retrieve
> all the tables from certain keyspace in an application. I use
> "KeyspaceDefinition.getCfDefs()" to retrieve the columnfamily list in a
> keyspace.
>
> However, I found that the getCfDefs() function can just retrieve the
> columnfamily created by the thrift api such as
> "me.prettyprint.hector.api.Cluster.updateColumnFamily" but not table
> created by CQL such as cqlsh client.
>
> Then, how to retrieve all the tables from certain keyspace?
>
> I asked the same question on stackoverflow
>
>
> http://stackoverflow.com/questions/31804797/retrieve-all-the-columnfamily-tables-of-thrift-and-cql-from-the-keyspace-in-ca
>
> ----
>
> Shuo Chen
>