That sounds like a bug in the filter. Make an issue? St.Ack
On Mon, May 16, 2011 at 12:23 PM, Jack Levin <[email protected]> wrote: > When we change versions to 1 from 3 on hbase table schema, things > appear work right. > > -Jack > > On Mon, May 16, 2011 at 12:14 PM, Jean-Daniel Cryans > <[email protected]> wrote: >> I doesn't look like you are doing something wrong, also I looked at >> the unit tests and they seem to cover the basic usage of >> ColumnPaginationFilter. Can you try removing the addFamily and >> setMaxVersions to see if it has any effect? >> >> Thx, >> >> J-D >> >> On Fri, May 13, 2011 at 6:27 PM, Matthew Ward <[email protected]> wrote: >>> Ok so I am running a couple tests to see if I will be able to successfully >>> hack up the thrift api. We are running version .89, here's the code I have >>> in my test: >>> >>> Filter newFilter = new ColumnPaginationFilter(5,0); >>> Get myget = new Get(Bytes.toBytes("row1")); >>> myget.setFilter(newFilter); >>> myget.addFamily(Bytes.toBytes("att")); >>> myget.setMaxVersions(1); >>> Result myR = table.get(myget); >>> System.out.println(myR.toString()); >>> for (KeyValue kv : myR.list() ) { >>> System.out.println( Bytes.toString( kv.getQualifier() ) + " >>> : " + Bytes.toString( kv.getValue() ) ); >>> } >>> >>> In the table we have: >>> >>> hbase(main):003:0> scan 'myTable' >>> ROW COLUMN+CELL >>> myLittleRow column=att:someQualifier, >>> timestamp=1305335658005, value=Some Value >>> row1 column=att:col1, >>> timestamp=1305329505518, value=hello >>> row1 column=att:col2, >>> timestamp=1305329526015, value=world >>> row1 column=att:col3, >>> timestamp=1305329532252, value=foo >>> row1 column=att:col4, >>> timestamp=1305329537921, value=bar >>> row1 column=att:col5, >>> timestamp=1305326707231, value=1 >>> >>> >>> Running that code gives me the following output: >>> >>> keyvalues={row1/att:col1/1305329505518/Put/vlen=5, >>> row1/att:col2/1305329526015/Put/vlen=5} >>> col1 : hello >>> col2 : world >>> >>> >>> I am trying to determine if we are just doing something wrong or if filter >>> is ran before filtering maxversions, etc. The javadoc for .90 says it >>> happens after the ttl, version, etc filtering. >>> >>> Further I need to verify if this is something that we can do with get / and >>> or scan. >>> >>> Thanks! >>> >>> >>> On May 12, 2011, at 9:37 PM, Jean-Daniel Cryans wrote: >>> >>>> You'd have to hack it up into the thrift server, shouldn't be so bad >>>> but there's no such doc. >>>> >>>> J-D >>>> >>>> On Thu, May 12, 2011 at 8:26 PM, Matthew Ward <[email protected]> wrote: >>>>> Oh interesting, is there a way to access it via thrift (from PHP)? Are >>>>> there some docs I can read up on it? >>>>> >>>>> Thanks! >>>>> -Matt >>>>> >>>>> On May 12, 2011, at 3:08 PM, Panayotis Antonopoulos wrote: >>>>> >>>>>> >>>>>> If I understand what you need, there is the ColumnPaginationFilter that >>>>>> does exactly what you mention. >>>>>> >>>>>>> From: [email protected] >>>>>>> Subject: Pagination through families / columns? >>>>>>> Date: Thu, 12 May 2011 13:49:16 -0700 >>>>>>> To: [email protected] >>>>>>> >>>>>>> Hey Guys, >>>>>>> >>>>>>> Not sure if this functionality is available or not, if its not consider >>>>>>> this a feature request :). >>>>>>> >>>>>>> The main summary is that rows can contain massive amounts of data, so >>>>>>> we can narrow >>>>>>> selection by family. However, if the family is large enough is there a >>>>>>> way to grab parts of >>>>>>> the family using and offset and a limit? To compound it further, what >>>>>>> if the column names >>>>>>> are dynamic. >>>>>>> >>>>>>> Example >>>>>>> >>>>>>> table 'foo' >>>>>>> family 'bar' >>>>>>> column '1111' >>>>>>> column '1112' >>>>>>> column '1113' >>>>>>> ... >>>>>>> column '9999' >>>>>>> >>>>>>> >>>>>>> The request I would like to make is >>>>>>> >>>>>>> 'get', 'foo', 'somerowid' , 'bar:', {LIMIT => 10} >>>>>>> >>>>>>> After discovering column name and cursing through >>>>>>> >>>>>>> 'get', 'foo', 'somerowid' , 'bar:', {LIMIT => 10, OFFSET => '1121'} >>>>>>> or maybe 'get', 'foo', 'somerowid' , 'bar:1121', {LIMIT => 10} >>>>>>> >>>>>>> Other thoughts would be if its reversible or not {ORDER => -1}, but >>>>>>> more importantly >>>>>>> available to the thrift client. >>>>>>> >>>>>> >>>>> >>>>> >>> >>> >> >
