Hbase通过SingleColumnValueFilter进行值查询
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 | public class Demo5 { public static Configuration conf = HBaseConfiguration.create(); static { Configuration HBASE_CONFIG = new Configuration(); HBASE_CONFIG.set( "hbase.zookeeper.quorum" , "BJ-YZ-103R-63-38,BJ-YZ-103R-63-39,BJ-YZ-103R-63-40" ); HBASE_CONFIG.set( "hbase.zookeeper.property.clientPort" , "2181" ); conf = HBaseConfiguration.create(HBASE_CONFIG); } public static void QueryByCondition3(String tableName,String v1,String v2) { try { HTablePool pool = new HTablePool(conf, 1000 ); HTableInterface table = pool.getTable(tableName); List<Filter> filters = new ArrayList<Filter>(); Filter filter1 = new SingleColumnValueFilter(Bytes.toBytes( "c1" ), Bytes.toBytes( "city" ), CompareOp.EQUAL, Bytes.toBytes(v1)); filters.add(filter1); Filter filter2 = new SingleColumnValueFilter(Bytes.toBytes( "c1" ), Bytes.toBytes( "sex" ), CompareOp.EQUAL, Bytes.toBytes(v2)); filters.add(filter2); FilterList filterList1 = new FilterList(filters); Scan scan = new Scan(); scan.setFilter(filterList1); ResultScanner rs = table.getScanner(scan); for (Result r : rs) { System.out.println( "获得到rowkey:" + new String(r.getRow())); for (KeyValue keyValue : r.raw()) { System.out.println( "列:" + new String(keyValue.getFamily()) + "====值:" + new String(keyValue.getValue())); } } rs.close(); } catch (Exception e) { e.printStackTrace(); } } public static void main(String[] args) throws IOException { Demo5.QueryByCondition3( "test1" , "hangzhou" , "nan" ); } } |
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