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From "amorton (JIRA)" <>
Subject [jira] [Created] (CASSANDRA-4924) Make CQL 3 data accessible via thrift.
Date Tue, 06 Nov 2012 21:00:13 GMT
amorton created CASSANDRA-4924:

             Summary: Make CQL 3 data accessible via thrift.
                 Key: CASSANDRA-4924
             Project: Cassandra
          Issue Type: Improvement
          Components: Core
    Affects Versions: 1.2.0
            Reporter: amorton

Following the changes from CASSANDRA-4377 data created using CQL 3 is not visible via the
thrift interface. 

This goes against the spirit of many comments by the project that "the thrift API is not going
away". These statements and ones such as "Internally, both CQL3 and thrift use the same storage
engine, so all future improvements to this engine will impact both of them equally." (
and the CQL3 and thrift examples given here
gave the impression CQL 3 was a layer on top of the core storage engine. It now appears to
be an incompatible format change. 

It makes it impossible to explain to existing using users how CQL 3 stores it's data. 

It also creates an all or nothing approach to trying CQL 3. 

My request is to make all data written by CQL 3 readable via the thrift API. 

An example of using the current 1.2 trunk is below:

cqlsh:cass_college> CREATE TABLE UserTweets 
                ... (
                ...     tweet_id    bigint,
                ...     user_name   text,
                ...     body        text,
                ...     timestamp   timestamp,
                ...     PRIMARY KEY (user_name, tweet_id)
                ... );
cqlsh:cass_college> INSERT INTO 
                ...     UserTweets
                ...     (tweet_id, body, user_name, timestamp)
                ... VALUES
                ...     (1, 'The Tweet', 'fred', 1352150816917);
cqlsh:cass_college> select * from UserTweets;

 user_name | tweet_id | body      | timestamp
      fred |        1 | The Tweet | 2012-11-06 10:26:56+1300

and in the CLI

[default@cass_college] show schema;
create keyspace cass_college
  with placement_strategy = 'SimpleStrategy'
  and strategy_options = {replication_factor : 3}
  and durable_writes = true;

use cass_college;

[default@cass_college] list UserTweets;
UserTweets not found in current keyspace.

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