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https://issues.apache.org/jira/browse/CASSANDRA-920?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jonathan Ellis resolved CASSANDRA-920.
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Resolution: Cannot Reproduce
Bob, closing since it appears to work fine in Brandon's test. (Maybe it's a
timestamping problem? I have no idea what resolution the rb client uses by
default.)
> Deleting and re-inserting row causes error in get_slice count parameter
> -----------------------------------------------------------------------
>
> Key: CASSANDRA-920
> URL: https://issues.apache.org/jira/browse/CASSANDRA-920
> Project: Cassandra
> Issue Type: Bug
> Affects Versions: 0.5, 0.6
> Environment: Mac OS/ Java 6
> Reporter: Bob Florian
> Priority: Minor
> Fix For: 0.6.1
>
> Attachments: 0001_add_system_test.txt
>
>
> I've found that when I delete an entire row in a column family with super
> columns, and then re-insert values with the same row and super column keys,
> the count parameter to the get_slice call no longer works properly. Its like
> it is still counting the deleted columns, but only returning the new columns.
> The following example uses the Ruby Cassandra client (see link below), but
> I've seen the same behavior with the Java Thrift interface.
> Test code:
> --------------
> require 'rubygems'
> require 'cassandra'
> cc = Cassandra.new('Keyspace1')
> cc.insert(:Super1,'test-key1',{'bucket1' => {'1' => 'Item 1', '2' => 'Item
> 2', '5' => 'Item 5'}})
> items = cc.get(:Super1,'test-key1','bucket1')
> puts "returned #{items.size} items, should be 3"
> cc.remove(:Super1,'test-key1')
> items = cc.get(:Super1,'test-key1','bucket1')
> puts "returned #{items.size} items, should be 0"
> cc.insert(:Super1,'test-key1',{'bucket1' => {'3' => 'Item 3', '4' => 'Item
> 4', '6' => 'Item 6'}})
> items = cc.get(:Super1,'test-key1','bucket1')
> puts "returned #{items.size} items, should be 3"
> items = cc.get(:Super1,'test-key1','bucket1',:count => 3)
> puts "returned #{items.size} items, should be 3"
> items = cc.get(:Super1,'test-key1','bucket1',:count => 4)
> puts "returned #{items.size} items, should be 3"
> items = cc.get(:Super1,'test-key1','bucket1',:count => 5)
> puts "returned #{items.size} items, should be 3"
> items = cc.get(:Super1,'test-key1','bucket1',:count => 6)
> puts "returned #{items.size} items, should be 3"
> Output:
> returned 3 items, should be 3
> returned 0 items, should be 0
> returned 3 items, should be 3
> returned 1 items, should be 3
> returned 2 items, should be 3
> returned 2 items, should be 3
> returned 3 items, should be 3
> Ruby library link:
> http://blog.evanweaver.com/files/doc/fauna/cassandra/files/README_rdoc.html
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