package itri; // ITRI serial program number 4 // 0. after Itri3CalculateMR // 1. run addIndexToTurnover() would add index table to itri. // if you have indexed the table before, don't do it again. // 2. tune the filter_value in main() and run readSortedValGreater() would show report import java.io.IOException; import org.apache.hadoop.fs.Path; import org.apache.hadoop.hbase.HBaseConfiguration; import org.apache.hadoop.hbase.client.tableindexed.IndexSpecification; import org.apache.hadoop.hbase.client.tableindexed.IndexedTableAdmin; import org.apache.hadoop.hbase.util.Bytes; public class Itri4SortTurnover { public void addIndexToTurnover(String OriTable, String IndexID, String OriColumn) throws IOException { HBaseConfiguration conf = new HBaseConfiguration(); conf.addResource(new Path("/opt/hbase/conf/hbase-site.xml")); IndexedTableAdmin admin = new IndexedTableAdmin(conf); admin.tableExists(OriTable); admin.addIndex(Bytes.toBytes(OriTable), new IndexSpecification(IndexID, Bytes.toBytes(OriColumn))); } public static void main(String[] argv) throws IOException { Itri4SortTurnover tt = new Itri4SortTurnover(); tt.addIndexToTurnover("itri", "Sum", "Turnover:Sum"); } }
Last modified 14 years ago
Last modified on Apr 25, 2011, 4:21:16 PM