Extend your code to explicitly set the timestamp on the Column in micro seconds. I think you are just defaulting to 0 and hitting the condition previously described.
On Thu, Dec 30, 2010 at 11:02 AM, mike dooley <doo...@apple.com> wrote: > hmm, i added a sleep(1000) between each operation and still see the same > behavior. > but stranger still, if i do the exact same operations via the command line > they work > as expected. and the logs for the two runs look identical to me (aside from > the different keys) > -mike > > ----------------------------------- > [defa...@unknown] use Harvest; > Authenticated to keyspace: Harvest > [defa...@harvest] > [defa...@harvest] set Test1['row-c1']['dummy-col'] = 'value-a'; > Value inserted. > [defa...@harvest] get Test1['row-c1']['dummy-col']; > => (column=dummy-col, value=76616c75652d61, timestamp=1293727499867000) > [defa...@harvest] > [defa...@harvest] del Test1['row-c1']; > row removed. > [defa...@harvest] get Test1['row-c1']['dummy-col']; > Value was not found > [defa...@harvest] > [defa...@harvest] set Test1['row-c1']['dummy-col'] = 'value-a'; > Value inserted. > [defa...@harvest] get Test1['row-c1']['dummy-col']; > => (column=dummy-col, value=76616c75652d61, timestamp=1293727499912000) > DEBUG 08:44:59,872 insert > DEBUG 08:44:59,876 insert writing local RowMutation(keyspace='Harvest', > key='726f772d6331', modifications=[Test1]) > DEBUG 08:44:59,882 applying mutation of row 726f772d6331 > DEBUG 08:44:59,892 get > DEBUG 08:44:59,893 Sorted endpoints are localhost/127.0.0.1 > DEBUG 08:44:59,893 weakread reading SliceByNamesReadCommand(table='Harvest', > key=726f772d6331, columnParent='QueryPath(columnFamilyName='Test1', > superColumnName='null', columnName='null')', columns=[dummy-col,]) locally > DEBUG 08:44:59,894 weakreadlocal reading > SliceByNamesReadCommand(table='Harvest', key=726f772d6331, > columnParent='QueryPath(columnFamilyName='Test1', superColumnName='null', > columnName='null')', columns=[dummy-col,]) > DEBUG 08:44:59,903 remove > DEBUG 08:44:59,903 insert writing local RowMutation(keyspace='Harvest', > key='726f772d6331', modifications=[Test1]) > DEBUG 08:44:59,904 applying mutation of row 726f772d6331 > DEBUG 08:44:59,908 get > DEBUG 08:44:59,908 Sorted endpoints are localhost/127.0.0.1 > DEBUG 08:44:59,909 weakread reading SliceByNamesReadCommand(table='Harvest', > key=726f772d6331, columnParent='QueryPath(columnFamilyName='Test1', > superColumnName='null', columnName='null')', columns=[dummy-col,]) locally > DEBUG 08:44:59,909 weakreadlocal reading > SliceByNamesReadCommand(table='Harvest', key=726f772d6331, > columnParent='QueryPath(columnFamilyName='Test1', superColumnName='null', > columnName='null')', columns=[dummy-col,]) > DEBUG 08:44:59,912 insert > DEBUG 08:44:59,913 insert writing local RowMutation(keyspace='Harvest', > key='726f772d6331', modifications=[Test1]) > DEBUG 08:44:59,913 applying mutation of row 726f772d6331 > DEBUG 08:44:59,919 get > DEBUG 08:44:59,919 Sorted endpoints are localhost/127.0.0.1 > DEBUG 08:44:59,919 weakread reading SliceByNamesReadCommand(table='Harvest', > key=726f772d6331, columnParent='QueryPath(columnFamilyName='Test1', > superColumnName='null', columnName='null')', columns=[dummy-col,]) locally > DEBUG 08:44:59,920 weakreadlocal reading > SliceByNamesReadCommand(table='Harvest', key=726f772d6331, > columnParent='QueryPath(columnFamilyName='Test1', superColumnName='null', > columnName='null')', columns=[dummy-col,]) > ------------------ > === starting > === inserting row: row-j1, value: value-a > === about to retrieve data > === got (dummy-col,value-a) > === deleting row: row-j1 > === data not found, as expected > === re-inserting row: row-j1 > === !!!! re-inserted data not found > === crush all boxes > DEBUG 08:46:20,131 insert > DEBUG 08:46:20,132 insert writing local RowMutation(keyspace='Harvest', > key='726f772d6a31', modifications=[Test1]) > DEBUG 08:46:20,133 applying mutation of row 726f772d6a31 > DEBUG 08:46:20,144 get > DEBUG 08:46:20,144 Sorted endpoints are localhost/127.0.0.1 > DEBUG 08:46:20,145 weakread reading SliceByNamesReadCommand(table='Harvest', > key=726f772d6a31, columnParent='QueryPath(columnFamilyName='Test1', > superColumnName='null', columnName='null')', columns=[dummy-col,]) locally > DEBUG 08:46:20,145 weakreadlocal reading > SliceByNamesReadCommand(table='Harvest', key=726f772d6a31, > columnParent='QueryPath(columnFamilyName='Test1', superColumnName='null', > columnName='null')', columns=[dummy-col,]) > DEBUG 08:46:21,156 remove > DEBUG 08:46:21,157 insert writing local RowMutation(keyspace='Harvest', > key='726f772d6a31', modifications=[Test1]) > DEBUG 08:46:21,157 applying mutation of row 726f772d6a31 > DEBUG 08:46:21,160 get > DEBUG 08:46:21,161 Sorted endpoints are localhost/127.0.0.1 > DEBUG 08:46:21,161 weakread reading SliceByNamesReadCommand(table='Harvest', > key=726f772d6a31, columnParent='QueryPath(columnFamilyName='Test1', > superColumnName='null', columnName='null')', columns=[dummy-col,]) locally > DEBUG 08:46:21,161 weakreadlocal reading > SliceByNamesReadCommand(table='Harvest', key=726f772d6a31, > columnParent='QueryPath(columnFamilyName='Test1', superColumnName='null', > columnName='null')', columns=[dummy-col,]) > DEBUG 08:46:22,164 insert > DEBUG 08:46:22,167 insert writing local RowMutation(keyspace='Harvest', > key='726f772d6a31', modifications=[Test1]) > DEBUG 08:46:22,167 applying mutation of row 726f772d6a31 > DEBUG 08:46:22,168 get > DEBUG 08:46:22,169 Sorted endpoints are localhost/127.0.0.1 > DEBUG 08:46:22,169 weakread reading SliceByNamesReadCommand(table='Harvest', > key=726f772d6a31, columnParent='QueryPath(columnFamilyName='Test1', > superColumnName='null', columnName='null')', columns=[dummy-col,]) locally > DEBUG 08:46:22,169 weakreadlocal reading > SliceByNamesReadCommand(table='Harvest', key=726f772d6a31, > columnParent='QueryPath(columnFamilyName='Test1', superColumnName='null', > columnName='null')', columns=[dummy-col,]) > > On Dec 29, 2010, at 8:27 PM, Jonathan Ellis wrote: > > deletes "win" races, so if 3) happens at the same timestamp as 2) then > the delete takes precedence. > > On Wed, Dec 29, 2010 at 9:58 PM, mike dooley <doo...@apple.com> wrote: > > sorry, i forgot to mention that i am using 0.7-rc2 > > On Dec 29, 2010, at 7:56 PM, mike dooley wrote: > > things have not been going very well for me today, so maybe there's > something > > that i'm missing, but here is a little test program that just: > > 1) inserts a single column in a row, > > 2) deletes the row, > > 3) re-inserts the row > > but it seems that the second insert fails to actually insert the data. here > is the output > > of the test program > > === starting > > === inserting row: row-a, value: value-a > > === about to retrieve data > > === got (dummy-col,value-a) > > === deleting row: row-a > > === data not found, as expected > > === re-inserting row: row-a > > === !!!! re-inserted data not found > > === crush all boxes > > and subsequent inserts also fail (if you run the program again). > > here is the test program > > <CClient.java> > > i am just using a single node, with the following schema > > create keyspace Harvest with replication_factor = 1 and placement_strategy > = 'org.apache.cassandra.locator.SimpleStrategy'; > > use Harvest; > > create column family Test1 with column_type = 'Standard' and comparator = > 'UTF8Type'; > > thanks in advance. > > -mike > > > > > > -- > Jonathan Ellis > Project Chair, Apache Cassandra > co-founder of Riptano, the source for professional Cassandra support > http://riptano.com > >
