Package org.apache.hadoop.hbase.filter

Examples of org.apache.hadoop.hbase.filter.PrefixFilter

656
657
658
659
660
661
662
663
664
665
666
  }

  @Test
  public void testStdWithFilter() throws Throwable {
    AggregationClient aClient = new AggregationClient(conf);
    Filter f = new PrefixFilter(Bytes.toBytes("foo:bar"));
    Scan scan = new Scan();
    scan.addFamily(TEST_FAMILY);
    scan.setFilter(f);
    final ColumnInterpreter<BigDecimal, BigDecimal> ci = new BigDecimalColumnInterpreter();
    Double std = null;
View Full Code Here
507
508
509
510
511
512
513
514
515
516
517
  private InternalScanner buildScanner(String keyPrefix, String value, HRegion r)
  throws IOException {
    // Defaults FilterList.Operator.MUST_PASS_ALL.
    FilterList allFilters = new FilterList();
    allFilters.addFilter(new PrefixFilter(Bytes.toBytes(keyPrefix)));
    // Only return rows where this column value exists in the row.
    SingleColumnValueFilter filter =
      new SingleColumnValueFilter(Bytes.toBytes("trans-tags"),
        Bytes.toBytes("qual2"), CompareOp.EQUAL, Bytes.toBytes(value));
    filter.setFilterIfMissing(true);
View Full Code Here
282
283
284
285
286
287
288
289
290
291
292
  private InternalScanner buildScanner(String keyPrefix, String value, HRegion r)
  throws IOException {
    // Defaults FilterList.Operator.MUST_PASS_ALL.
    FilterList allFilters = new FilterList();
    allFilters.addFilter(new PrefixFilter(Bytes.toBytes(keyPrefix)));
    // Only return rows where this column value exists in the row.
    SingleColumnValueFilter filter =
      new SingleColumnValueFilter(Bytes.toBytes("trans-tags"),
        Bytes.toBytes("qual2"), CompareOp.EQUAL, Bytes.toBytes(value));
    filter.setFilterIfMissing(true);
View Full Code Here
614
615
616
617
618
619
620
621
622
623
624
        byte [][] columnsArray = null;
        columnsArray = columns.toArray(new byte[0][]);
        Scan scan = new Scan(startAndPrefix);
        scan.addColumns(columnsArray);
        Filter f = new WhileMatchFilter(
            new PrefixFilter(startAndPrefix));
        scan.setFilter(f);
        return addScanner(table.getScanner(scan));
      } catch (IOException e) {
        throw new IOError(e.getMessage());
      }
View Full Code Here
178
179
180
181
182
183
184
185
186
187
188
 
  public void testFilters() throws IOException {
    try {
      this.r = createNewHRegion(REGION_INFO.getTableDesc(), null, null);
      addContent(this.r, HConstants.CATALOG_FAMILY);
      Filter newFilter = new PrefixFilter(Bytes.toBytes("ab"));
      Scan scan = new Scan();
      scan.setFilter(newFilter);
      rowPrefixFilter(scan);
      RowFilterInterface oldFilter = new PrefixRowFilter(Bytes.toBytes("ab"));
      scan = new Scan();
View Full Code Here
372
373
374
375
376
377
378
379
380
381
382
      }
     
      // Test filters are serialized properly.
      scan = new Scan(startRow);
      byte [] prefix = Bytes.toBytes(getName());
      scan.setFilter(new PrefixFilter(prefix));
      sb = Writables.getBytes(scan);
      desScan = (Scan)Writables.getWritable(sb, new Scan());
      Filter f = desScan.getFilter();
      assertTrue(f instanceof PrefixFilter);
    }
View Full Code Here
488
489
490
491
492
493
494
495
496
497
498
  private ResultScanner buildScanner(String keyPrefix, String value, HTable ht)
      throws IOException {
    // OurFilterList allFilters = new OurFilterList();
    FilterList allFilters = new FilterList(/* FilterList.Operator.MUST_PASS_ALL */);
    allFilters.addFilter(new PrefixFilter(Bytes.toBytes(keyPrefix)));
    SingleColumnValueFilter filter = new SingleColumnValueFilter(Bytes
        .toBytes("trans-tags"), Bytes.toBytes("qual2"), CompareOp.EQUAL, Bytes
        .toBytes(value));
    filter.setFilterIfMissing(true);
    allFilters.addFilter(filter);
View Full Code Here
716
717
718
719
720
721
722
723
724
725
726
  private InternalScanner buildScanner(String keyPrefix, String value, HRegion r)
      throws IOException {
    // Defaults FilterList.Operator.MUST_PASS_ALL.
    FilterList allFilters = new FilterList();
    allFilters.addFilter(new PrefixFilter(Bytes.toBytes(keyPrefix)));
    // Only return rows where this column value exists in the row.
    SingleColumnValueFilter filter = new SingleColumnValueFilter(Bytes.toBytes("trans-tags"),
        Bytes.toBytes("qual2"), CompareOp.EQUAL, Bytes.toBytes(value));
    filter.setFilterIfMissing(true);
    allFilters.addFilter(filter);
View Full Code Here
597
598
599
600
601
602
603
604
605
606
607
  private InternalScanner buildScanner(String keyPrefix, String value, HRegion r)
  throws IOException {
    // Defaults FilterList.Operator.MUST_PASS_ALL.
    FilterList allFilters = new FilterList();
    allFilters.addFilter(new PrefixFilter(Bytes.toBytes(keyPrefix)));
    // Only return rows where this column value exists in the row.
    SingleColumnValueFilter filter =
      new SingleColumnValueFilter(Bytes.toBytes("trans-tags"),
        Bytes.toBytes("qual2"), CompareOp.EQUAL, Bytes.toBytes(value));
    filter.setFilterIfMissing(true);
View Full Code Here
361
362
363
364
365
366
367
368
  public void testPrefixFilter() throws Exception {
    // Grab rows from group one (half of total)
    long expectedRows = numRows / 2;
    long expectedKeys = colsPerRow;
    Scan s = new Scan();
    s.setFilter(new PrefixFilter(Bytes.toBytes("testRowOne")));
    verifyScan(s, expectedRows, expectedKeys);
  }
View Full Code Here
TOP

Related Classes of org.apache.hadoop.hbase.filter.PrefixFilter

  • com.alibaba.wasp.meta.FMetaScanner
  • com.alibaba.wasp.meta.FMetaServicesImplWithoutRetry
  • com.impetus.recommendation.hbase.model.CitySimilarityTest
  • filters.PrefixFilterExample
  • HBaseIA.TwitBase.coprocessors.RelationCountImpl
  • org.apache.hadoop.hbase.client.TestClient
  • org.apache.hadoop.hbase.client.TestFromClientSide
  • org.apache.hadoop.hbase.coprocessor.TestAggregateProtocol
  • org.apache.hadoop.hbase.coprocessor.TestBigDecimalColumnInterpreter
  • org.apache.hadoop.hbase.coprocessor.TestDoubleColumnInterpreter
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.