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Posted to commits@cassandra.apache.org by "Tyler Hobbs (JIRA)" <ji...@apache.org> on 2014/12/18 19:41:14 UTC
[jira] [Resolved] (CASSANDRA-7623) Altering keyspace truncates
DESCRIBE output until you reconnect.
[ https://issues.apache.org/jira/browse/CASSANDRA-7623?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Tyler Hobbs resolved CASSANDRA-7623.
------------------------------------
Resolution: Fixed
The python driver has been upgraded to 2.1.3 as commit d2583ce, so this is fixed now.
> Altering keyspace truncates DESCRIBE output until you reconnect.
> ----------------------------------------------------------------
>
> Key: CASSANDRA-7623
> URL: https://issues.apache.org/jira/browse/CASSANDRA-7623
> Project: Cassandra
> Issue Type: Bug
> Reporter: Ryan McGuire
> Assignee: Tyler Hobbs
> Priority: Minor
> Labels: cqlsh
> Fix For: 2.1.3
>
>
> Run DESCRIBE on a keyspace:
> {code}
> cqlsh> DESCRIBE KEYSPACE system_traces ;
> CREATE KEYSPACE system_traces WITH replication = {'class': 'SimpleStrategy', 'replication_factor': '2'} AND durable_writes = true;
> CREATE TABLE system_traces.events (
> session_id uuid,
> event_id timeuuid,
> activity text,
> source inet,
> source_elapsed int,
> thread text,
> PRIMARY KEY (session_id, event_id)
> ) WITH CLUSTERING ORDER BY (event_id ASC)
> AND bloom_filter_fp_chance = 0.01
> AND caching = '{"keys":"ALL", "rows_per_partition":"NONE"}'
> AND comment = ''
> AND compaction = {'min_threshold': '4', 'class': 'org.apache.cassandra.db.compaction.SizeTieredCompactionStrategy', 'max_threshold': '32'}
> AND compression = {'sstable_compression': 'org.apache.cassandra.io.compress.LZ4Compressor'}
> AND dclocal_read_repair_chance = 0.0
> AND default_time_to_live = 0
> AND gc_grace_seconds = 0
> AND max_index_interval = 2048
> AND memtable_flush_period_in_ms = 3600000
> AND min_index_interval = 128
> AND read_repair_chance = 0.0
> AND speculative_retry = '99.0PERCENTILE';
> CREATE TABLE system_traces.sessions (
> session_id uuid PRIMARY KEY,
> coordinator inet,
> duration int,
> parameters map<text, text>,
> request text,
> started_at timestamp
> ) WITH bloom_filter_fp_chance = 0.01
> AND caching = '{"keys":"ALL", "rows_per_partition":"NONE"}'
> AND comment = 'traced sessions'
> AND compaction = {'min_threshold': '4', 'class': 'org.apache.cassandra.db.compaction.SizeTieredCompactionStrategy', 'max_threshold': '32'}
> AND compression = {'sstable_compression': 'org.apache.cassandra.io.compress.LZ4Compressor'}
> AND dclocal_read_repair_chance = 0.0
> AND default_time_to_live = 0
> AND gc_grace_seconds = 0
> AND max_index_interval = 2048
> AND memtable_flush_period_in_ms = 3600000
> AND min_index_interval = 128
> AND read_repair_chance = 0.0
> AND speculative_retry = '99.0PERCENTILE';
> {code}
> Alter it and run DESCRIBE again:
> {code}
> cqlsh> ALTER KEYSPACE system_traces WITH durable_writes = false;
> cqlsh> DESCRIBE KEYSPACE system_traces ;
> CREATE KEYSPACE system_traces WITH replication = {'class': 'SimpleStrategy', 'replication_factor': '2'} AND durable_writes = false;
> {code}
> You can issue the DESCRIBE command multiple times and get the same output. You have to disconnect and reconnect to get the table definition output to show again.
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