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From Edward Capriolo <edlinuxg...@gmail.com>
Subject Re: Expiring Columns
Date Tue, 16 Aug 2011 04:26:42 GMT
On Mon, Aug 15, 2011 at 6:51 PM, Stephen McKamey <stephen@mckamey.com>wrote:

> I'm curious about Expiring Columns. Say I create a Column Family where
> *all* of the Columns are set to be expiring columns. When a row's entire set
> of columns have expired, will an empty row it sill be returned in range
> queries? Or will it just be nicely compacted away?
>
>

[default@edstest] use abc;
Authenticated to keyspace: abc
[default@abc] create column family abc;
7d4d8c30-c7bf-11e0-0000-242d50cf1fbc
Waiting for schema agreement...
... schemas agree across the cluster
[default@abc] set abc[ascii('a_ttl')][ascii('x')]=ascii('y') with ttl=50;
Value inserted.
[default@abc] list abc;
Using default limit of 100
-------------------
RowKey: 615f74746c
=> (column=78, value=y, timestamp=1313468660115000, ttl=50)

1 Row Returned.


***************************************getting
soda**************************************
[default@abc] list abc;
Using default limit of 100
-------------------
RowKey: 615f74746c

1 Row Returned.

http://wiki.apache.org/cassandra/FAQ#range_ghosts

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