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From Vivek Mishra <mishra.v...@gmail.com>
Subject Re: CQL & Thrift
Date Fri, 30 Aug 2013 17:51:27 GMT
Hi,
I understand that, but i want to understand the reason behind
such behavior?  Is it because of maintaining different metadata objects for
CQL3 and thrift?

Any suggestion?

-Vivek


On Fri, Aug 30, 2013 at 11:15 PM, Jon Haddad <jon@jonhaddad.com> wrote:

> If you're going to work with CQL, work with CQL.  If you're going to work
> with Thrift, work with Thrift.  Don't mix.
>
> On Aug 30, 2013, at 10:38 AM, Vivek Mishra <mishra.vivs@gmail.com> wrote:
>
> Hi,
> If i a create a table with CQL3 as
>
> create table user(user_id text PRIMARY KEY, first_name text, last_name
> text, emailid text);
>
> and create index as:
> create index on user(first_name);
>
> then inserted some data as:
> insert into user(user_id,first_name,last_name,"emailId")
> values('@mevivs','vivek','mishra','vivek.mishra@impetus.co.in');
>
>
> Then if update same column family using Cassandra-cli as:
>
> update column family user with key_validation_class='UTF8Type' and
> column_metadata=[{column_name:last_name, validation_class:'UTF8Type',
> index_type:KEYS},{column_name:first_name, validation_class:'UTF8Type',
> index_type:KEYS}];
>
>
> Now if i connect via cqlsh and explore user table, i can see column
> first_name,last_name are not part of table structure anymore. Here is the
> output:
>
> CREATE TABLE user (
>   key text PRIMARY KEY
> ) 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
>   read_repair_chance=0.100000 AND
>   replicate_on_write='true' AND
>   populate_io_cache_on_flush='false' AND
>   compaction={'class': 'SizeTieredCompactionStrategy'} AND
>   compression={'sstable_compression': 'SnappyCompressor'};
>
> cqlsh:cql3usage> select * from user;
>
>  user_id
> ---------
>  @mevivs
>
>
>
>
>
> I understand that, CQL3 and thrift interoperability is an issue. But this
> looks to me a very basic scenario.
>
>
>
> Any suggestions? Or If anybody can explain a reason behind this?
>
> -Vivek
>
>
>
>
>
>

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