Em 08/02/12 16:12, Stack escreveu: > 2012/2/8 Ricardo Vilaça <[email protected]>: >> Hi, >> >> I'm doing an HBase application that needs to do a Scan to retrieve all >> rows that have a given column and getting all other selected columns >> if they exist or not. >> >> I had try ColumnPrefixFilter but then other columns are not selected. > > Is this what you need? > http://hbase.apache.org/apidocs/org/apache/hadoop/hbase/filter/SingleColumnValueExcludeFilter.html > > St.Ack Thanks for the help but I had also already try SingleColumnValueFilter (as I also want to select the column to test if it exists in that row). I'm done a NOT_EQUAL and have tried both null value and byte[0] to test for no value (absent column) but without success. To which value should I test?
Thanks, -- Ricardo Vilaça --- High-Assurance Software Lab INESC TEC & Universidade do Minho http://gsd.di.uminho.pt/members/rmvilaca
