Deleting and re-inserting row causes error in get_slice count parameter
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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
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:
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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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