Get multiple column ranges
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Key: CASSANDRA-2710
URL: https://issues.apache.org/jira/browse/CASSANDRA-2710
Project: Cassandra
Issue Type: Improvement
Reporter: David Boxenhorn
I have replaced all my super column families with regular column families using
composite columns. I have easily been able to support all previous
functionality (I don't need range delete) except for one thing: getting
multiple super columns with a single access. For this, I would need to get
multiple ranges. (I can get multiple columns, or a single range, but not
multiple ranges.)
For example, I used to have
[<superColumnName1>,<subColumnName1..N>],[<superColumnName2>,<subColumnName1..N>]
and I could get superColumnName1, superColumnName2
Now I have
[<len><superColumnName1>0<len><subColumnName1>..<len><superColumnName1>0<len><subColumnNameN>],[<len><superColumnName2>0<len><subColumnName1>..<len><superColumnName2>0<len><subColumnNameN>]
and I need to get superColumnName1..superColumnName1+,
superColumnName2..superColumnName2+
to get the same functionality
I would like the clients to support this functionality, e.g. Hector to have
.setRages parallel to .setColumnNames
and for CQL to support a syntax like
SELECT [FIRST N] [REVERSED] name1..nameN1, name2..nameN2... FROM ...
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