Package org.apache.hadoop.zebra.io

Examples of org.apache.hadoop.zebra.io.TableScanner

219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
  public void testReadRecordOfMap1() throws IOException, ParseException {
    String projection1 = new String("r2.r3.f4#{a|b}, r2.r3.f3");
    BasicTable.Reader reader = new BasicTable.Reader(path, conf);
    reader.setProjection(projection1);
    List<RangeSplit> splits = reader.rangeSplit(1);
    TableScanner scanner = reader.getScanner(splits.get(0), true);
    scanner = reader.getScanner(splits.get(0), true);
    BytesWritable key = new BytesWritable();
    Tuple RowValue = TypesUtils.createTuple(scanner.getSchema());

    scanner.getKey(key);
    Assert.assertEquals(key, new BytesWritable("k11".getBytes()));
    scanner.getValue(RowValue);
    Assert.assertEquals(1, ((Map) (RowValue.get(0))).get("a"));
    Assert.assertEquals(2, ((Map) RowValue.get(0)).get("b"));
    Assert.assertEquals(null, ((Map) (RowValue.get(0))).get("x"));
    Assert.assertEquals(null, ((Map) RowValue.get(0)).get("y"));
    Assert.assertEquals(1.3, RowValue.get(1));

    scanner.advance();
    scanner.getKey(key);
    Assert.assertEquals(key, new BytesWritable("k12".getBytes()));
    scanner.getValue(RowValue);
    Assert.assertEquals(null, ((Map) RowValue.get(0)).get("a"));
    Assert.assertEquals(null, ((Map) RowValue.get(0)).get("b"));
    Assert.assertEquals(null, ((Map) RowValue.get(0)).get("x"));
    Assert.assertEquals(null, ((Map) RowValue.get(0)).get("y"));
    Assert.assertEquals(null, ((Map) RowValue.get(0)).get("c"));
View Full Code Here
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
  public void testRead3() throws IOException, ParseException {
    String projection = new String("c3");
    BasicTable.Reader reader = new BasicTable.Reader(path, conf);
    reader.setProjection(projection);
    List<RangeSplit> splits = reader.rangeSplit(1);
    TableScanner scanner = reader.getScanner(splits.get(0), true);
    BytesWritable key = new BytesWritable();
    Tuple RowValue = TypesUtils.createTuple(scanner.getSchema());

    scanner.getKey(key);
    Assert.assertEquals(key, new BytesWritable("k11".getBytes()));
    scanner.getValue(RowValue);
    System.out.println("test record 3: row: " + RowValue.toString());
    // test record 3: row: ({(1,true),(2,false),(3,true),(4,false)})
    Iterator<Tuple> it = ((DataBag) RowValue.get(0)).iterator();
    int list = 0;
    while (it.hasNext()) {
      Tuple cur = it.next();
      System.out.println(cur.get(0)); // 3
      list++;
      if (list == 1) {
        Assert.assertEquals(1, cur.get(0));
        Assert.assertEquals(true, cur.get(1));
      }
      if (list == 2) {
        Assert.assertEquals(2, cur.get(0));
        Assert.assertEquals(false, cur.get(1));
      }
      if (list == 3) {
        Assert.assertEquals(3, cur.get(0));
        Assert.assertEquals(true, cur.get(1));
      }
      if (list == 4) {
        Assert.assertEquals(4, cur.get(0));
        Assert.assertEquals(false, cur.get(1));
      }
    }
    scanner.advance();
    scanner.getValue(RowValue);
    System.out.println("row: " + RowValue.toString());
    // row: ({(5,true),(6,false),(7,true),(8,false)})
    Iterator<Tuple> it2 = ((DataBag) RowValue.get(0)).iterator();
    scanner.getKey(key);
    Assert.assertEquals(key, new BytesWritable("k12".getBytes()));
    int list2 = 0;
    while (it2.hasNext()) {
      Tuple cur = it2.next();
      System.out.println(cur.get(0));
View Full Code Here
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
  public void xtestReadNeg1() throws IOException, ParseException {
    String projection = new String("d");
    BasicTable.Reader reader = new BasicTable.Reader(path, conf);
    reader.setProjection(projection);
    List<RangeSplit> splits = reader.rangeSplit(1);
    TableScanner scanner = reader.getScanner(splits.get(0), true);
    BytesWritable key = new BytesWritable();
    Tuple RowValue = TypesUtils.createTuple(scanner.getSchema());

    scanner.getKey(key);
    // Assert.assertEquals(key, new BytesWritable("k11".getBytes()));
    scanner.getValue(RowValue);
    System.out.println("row: " + RowValue.toString());
    System.out.println("row1: " + RowValue.get(0));
    Assert.assertEquals(false, RowValue.isNull());
    Assert.assertEquals(null, RowValue.get(0));
    Assert.assertEquals(1, RowValue.size());
View Full Code Here
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
  public void xtestRead7() throws IOException, ParseException {
    String projection = new String("c2.r1.f1");
    BasicTable.Reader reader = new BasicTable.Reader(path, conf);
    reader.setProjection(projection);
    List<RangeSplit> splits = reader.rangeSplit(1);
    TableScanner scanner = reader.getScanner(splits.get(0), true);
    scanner = reader.getScanner(splits.get(0), true);

    BytesWritable key = new BytesWritable();
    Tuple RowValue = TypesUtils.createTuple(scanner.getSchema());

    scanner.getKey(key);
    // Assert.assertEquals(key, new BytesWritable("k11".getBytes()));
    scanner.getValue(RowValue);
    System.out.println("row: " + RowValue.toString());
    Iterator<Tuple> it = ((DataBag) RowValue.get(0)).iterator();
    int list = 0;
    while (it.hasNext()) {
      Tuple cur = it.next();
      System.out.println(cur.get(0));
      list++;
      if (list == 1) {
        Assert.assertEquals(1, ((Tuple) cur.get(0)).get(0));
        Assert.assertEquals("record1_string1", ((Tuple) cur.get(0)).get(1));
        try {
          cur.get(1);
          Assert.fail("Should throw index out of bounds exception");
        } catch (Exception e) {
          System.out.println(e);
        }

      }
      if (list == 2) {
        Assert.assertEquals(2, ((Tuple) cur.get(0)).get(0));
        Assert.assertEquals("record2_string1", ((Tuple) cur.get(0)).get(1));
        try {
          cur.get(1);
          Assert.fail("Should throw index out of bounds exception");
        } catch (Exception e) {
          System.out.println(e);
        }
      }
    }
    scanner.advance();
    scanner.getValue(RowValue);
    Iterator<Tuple> it2 = ((DataBag) RowValue.get(0)).iterator();
    int list2 = 0;
    while (it2.hasNext()) {
      Tuple cur = it2.next();
      System.out.println(cur.get(0));
View Full Code Here
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
  public void xtestRead8() throws IOException, ParseException {
    String projection = new String("c3.c3_1.e");
    BasicTable.Reader reader = new BasicTable.Reader(path, conf);
    reader.setProjection(projection);
    List<RangeSplit> splits = reader.rangeSplit(1);
    TableScanner scanner = null;
    scanner = reader.getScanner(splits.get(0), true);

    scanner = reader.getScanner(splits.get(0), true);

    BytesWritable key = new BytesWritable();
    Tuple RowValue = TypesUtils.createTuple(scanner.getSchema());

    scanner.getKey(key);
    // Assert.assertEquals(key, new BytesWritable("k11".getBytes()));
    scanner.getValue(RowValue);
    System.out.println("row: " + RowValue.toString());
    Iterator<Tuple> it = ((DataBag) RowValue.get(0)).iterator();
    int list = 0;
    while (it.hasNext()) {
      Tuple cur = it.next();
      System.out.println(cur.get(0));
      list++;
      if (list == 1) {
        Assert.assertEquals(1, ((Tuple) cur.get(0)).get(0));
        Assert.assertEquals("record1_string1", ((Tuple) cur.get(0)).get(1));
        try {
          cur.get(1);
          Assert.fail("Should throw index out of bounds exception");
        } catch (Exception e) {
          System.out.println(e);
        }

      }
      if (list == 2) {
        Assert.assertEquals(2, ((Tuple) cur.get(0)).get(0));
        Assert.assertEquals("record2_string1", ((Tuple) cur.get(0)).get(1));
        try {
          cur.get(1);
          Assert.fail("Should throw index out of bounds exception");
        } catch (Exception e) {
          System.out.println(e);
        }
      }
    }
    scanner.advance();
    scanner.getValue(RowValue);
    Iterator<Tuple> it2 = ((DataBag) RowValue.get(0)).iterator();
    int list2 = 0;
    while (it2.hasNext()) {
      Tuple cur = it2.next();
      System.out.println(cur.get(0));
View Full Code Here
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
  public void testReadSimple1() throws IOException, ParseException {
    String projection = new String("s6,s5,s4,s3,s2,s1");
    BasicTable.Reader reader = new BasicTable.Reader(path, conf);
    reader.setProjection(projection);
    List<RangeSplit> splits = reader.rangeSplit(1);
    TableScanner scanner = reader.getScanner(splits.get(0), true);
    BytesWritable key = new BytesWritable();
    Tuple RowValue = TypesUtils.createTuple(scanner.getSchema());

    scanner.getKey(key);
    Assert.assertEquals(key, new BytesWritable("k11".getBytes()));
    scanner.getValue(RowValue);
    Assert.assertEquals(true, RowValue.get(5));
    Assert.assertEquals(1, RowValue.get(4));
    Assert.assertEquals(1001L, RowValue.get(3));
    Assert.assertEquals(1.1f, RowValue.get(2));
    Assert.assertEquals("hello world 1", RowValue.get(1));
    Assert.assertEquals("hello byte 1", RowValue.get(0).toString());
    scanner.advance();
    scanner.getKey(key);
    Assert.assertEquals(key, new BytesWritable("k12".getBytes()));
    scanner.getValue(RowValue);
    Assert.assertEquals(false, RowValue.get(5));
    Assert.assertEquals(2, RowValue.get(4));
    Assert.assertEquals(1002L, RowValue.get(3));
    Assert.assertEquals(3.1f, RowValue.get(2));
    Assert.assertEquals("hello world 2", RowValue.get(1));
View Full Code Here
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
  public void testRead2() throws IOException, ParseException {
    String projection = new String("d");
    BasicTable.Reader reader = new BasicTable.Reader(path, conf);
    reader.setProjection(projection);
    List<RangeSplit> splits = reader.rangeSplit(1);
    TableScanner scanner = reader.getScanner(splits.get(0), true);
    BytesWritable key = new BytesWritable();
    Tuple RowValue = TypesUtils.createTuple(scanner.getSchema());

    scanner.getKey(key);
    // Assert.assertEquals(key, new BytesWritable("k11".getBytes()));
    scanner.getValue(RowValue);
    // RowValue is an emplty record
    Assert.assertEquals(false, RowValue.isNull());
    Assert.assertEquals(null, RowValue.get(0));
    Assert.assertEquals(1, RowValue.size());
    reader.close();
View Full Code Here
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
    List<RangeSplit> splits = reader.rangeSplit(1);
    reader.close();
    reader = new BasicTable.Reader(path, conf);
    reader.setProjection(projection);
    TableScanner scanner = reader.getScanner(splits.get(0), true);
    BytesWritable key = new BytesWritable();
    Tuple value = TypesUtils.createTuple(scanner.getSchema());

    scanner.getKey(key);
    Assert.assertEquals(key, new BytesWritable("k11".getBytes()));
    scanner.getValue(value);

    Assert.assertEquals(1001L, value.get(0));
    Assert.assertEquals(true, value.get(1));

    scanner.advance();
    scanner.getKey(key);
    Assert.assertEquals(key, new BytesWritable("k12".getBytes()));
    scanner.getValue(value);
    Assert.assertEquals(1002L, value.get(0));
    Assert.assertEquals(false, value.get(1));

    reader.close();
  }
View Full Code Here
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
    String projection = new String("a,b,c,d,e,f,r1,m1");
   
    BasicTable.Reader reader = new BasicTable.Reader(pathTable1, conf);
    reader.setProjection(projection);
    List<RangeSplit> splits = reader.rangeSplit(1);
    TableScanner scanner = reader.getScanner(splits.get(0), true);
    Tuple RowValue = TypesUtils.createTuple(scanner.getSchema());
 
    scanner.getValue(RowValue);
    System.out.println("rowvalue size:"+RowValue.size());
    System.out.println("read a : " + RowValue.get(0).toString());
    System.out.println("read string: " + RowValue.get(1).toString());
 
    scanner.advance();
    scanner.getValue(RowValue);
    System.out.println("read float in 2nd row: "+ RowValue.get(1).toString());
    System.out.println("done insert table");
 
    reader.close();
   
View Full Code Here
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
    List<RangeSplit> splits = reader.rangeSplit(1);
    reader.close();
    reader = new BasicTable.Reader(path, conf);
    reader.setProjection(projection);
    TableScanner scanner = reader.getScanner(splits.get(0), true);
    BytesWritable key = new BytesWritable();
    Tuple value = TypesUtils.createTuple(scanner.getSchema());

    scanner.getKey(key);
    Assert.assertEquals(key, new BytesWritable("k11".getBytes()));
    scanner.getValue(value);

    Tuple recordTuple = (Tuple) value.get(1);
    Assert.assertEquals(1, recordTuple.get(0));
    Assert.assertEquals(1001L, recordTuple.get(1));
    Assert.assertEquals(true, value.get(0));
View Full Code Here
TOP

Related Classes of org.apache.hadoop.zebra.io.TableScanner

  • org.apache.hadoop.zebra.io.TestBasicTableMapSplits
  • org.apache.hadoop.zebra.io.TestBasicTableProjections
  • org.apache.hadoop.zebra.io.TestBasicTableSplits
  • org.apache.hadoop.zebra.io.TestCollection
  • org.apache.hadoop.zebra.io.TestColumnGroup
  • org.apache.hadoop.zebra.io.TestColumnGroupName1
  • org.apache.hadoop.zebra.io.TestColumnGroupProjections
  • org.apache.hadoop.zebra.io.TestColumnGroupReaders
  • org.apache.hadoop.zebra.io.TestColumnGroupSplits
  • org.apache.hadoop.zebra.io.TestColumnGroupWithWorkPath
    • 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.