amorton created CASSANDRA-4924:
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Summary: Make CQL 3 data accessible via thrift.
Key: CASSANDRA-4924
URL: https://issues.apache.org/jira/browse/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."
(http://www.datastax.com/dev/blog/thrift-to-cql3) and the CQL3 and thrift
examples given here http://www.datastax.com/dev/blog/cql3-for-cassandra-experts
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:
{noformat}
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>
cqlsh:cass_college>
cqlsh:cass_college> select * from UserTweets;
user_name | tweet_id | body | timestamp
-----------+----------+-----------+--------------------------
fred | 1 | The Tweet | 2012-11-06 10:26:56+1300
{noformat}
and in the CLI
{noformat}
[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.
[default@cass_college]
{noformat}
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