如何列出Cassandra中列族的所有列名？ [英] How to list all column names in a column family in Cassandra?

问题描述

我使用Cassandra，我想要一个数据浏览器显示任何列族的内容。我需要获取列名称来配置UI网格。

解决方案

最好的方法，如果你使用Cassandra 1.1： / p>

  SELECT column_name FROM system.schema_columnfamilies WHERE keyspace_name = X AND columnfamily_name = Y 
  pre> 
 
 
另请参见 http： //www.datastax.com/dev/blog/schema-in-cassandra-1-1  
 
I'm using Cassandra, and I want to make a data browser which shows the contents of any column family.  I need to get the column names to configure a UI grid.  Is it possible to collect the names of columns in all rows?
解决方案
The best way, if you are using Cassandra 1.1:
SELECT column_name FROM system.schema_columnfamilies WHERE keyspace_name = X AND columnfamily_name = Y
See also http://www.datastax.com/dev/blog/schema-in-cassandra-1-1

                        
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