Package org.apache.hadoop.hive.metastore.api

Examples of org.apache.hadoop.hive.metastore.api.ColumnStatisticsObj

4597
4598
4599
4600
4601
4602
4603
4604
4605
4606
4607
    if (mStatsObj == null) {
      return null;
    }

    ColumnStatisticsDesc statsDesc = getTableColumnStatisticsDesc(mStatsObj);
    ColumnStatisticsObj statsObj = getTableColumnStatisticsObj(mStatsObj);
    List<ColumnStatisticsObj> statsObjs = new ArrayList<ColumnStatisticsObj>();
    statsObjs.add(statsObj);

    ColumnStatistics colStats = new ColumnStatistics();
    colStats.setStatsDesc(statsDesc);
View Full Code Here
4710
4711
4712
4713
4714
4715
4716
4717
4718
4719
4720
4721
4722
4723
4724
4725
4726
4727
4728
4729
4730
4731
4732
4733
4734
4735
4736
4737
4738
4739
4740
4741
4742
4743
4744
4745
4746
4747
4748
4749
4750
4751
4752
4753
4754
4755
4756
4757
4758
4759
      }
   }

  private ColumnStatisticsObj getPartitionColumnStatisticsObj(MPartitionColumnStatistics mStatsObj)
  {
    ColumnStatisticsObj statsObj = new ColumnStatisticsObj();
    statsObj.setColType(mStatsObj.getColType());
    statsObj.setColName(mStatsObj.getColName());
    String colType = mStatsObj.getColType();
    ColumnStatisticsData colStatsData = new ColumnStatisticsData();

    if (colType.equalsIgnoreCase("boolean")) {
      BooleanColumnStatsData boolStats = new BooleanColumnStatsData();
      boolStats.setNumFalses(mStatsObj.getNumFalses());
      boolStats.setNumTrues(mStatsObj.getNumTrues());
      boolStats.setNumNulls(mStatsObj.getNumNulls());
      colStatsData.setBooleanStats(boolStats);
    } else if (colType.equalsIgnoreCase("string")) {
      StringColumnStatsData stringStats = new StringColumnStatsData();
      stringStats.setNumNulls(mStatsObj.getNumNulls());
      stringStats.setAvgColLen(mStatsObj.getAvgColLen());
      stringStats.setMaxColLen(mStatsObj.getMaxColLen());
      stringStats.setNumDVs(mStatsObj.getNumDVs());
      colStatsData.setStringStats(stringStats);
    } else if (colType.equalsIgnoreCase("binary")) {
      BinaryColumnStatsData binaryStats = new BinaryColumnStatsData();
      binaryStats.setNumNulls(mStatsObj.getNumNulls());
      binaryStats.setAvgColLen(mStatsObj.getAvgColLen());
      binaryStats.setMaxColLen(mStatsObj.getMaxColLen());
      colStatsData.setBinaryStats(binaryStats);
    } else if (colType.equalsIgnoreCase("tinyint") || colType.equalsIgnoreCase("smallint") ||
        colType.equalsIgnoreCase("int") || colType.equalsIgnoreCase("bigint") ||
        colType.equalsIgnoreCase("timestamp")) {
      LongColumnStatsData longStats = new LongColumnStatsData();
      longStats.setNumNulls(mStatsObj.getNumNulls());
      longStats.setHighValue(mStatsObj.getLongHighValue());
      longStats.setLowValue(mStatsObj.getLongLowValue());
      longStats.setNumDVs(mStatsObj.getNumDVs());
      colStatsData.setLongStats(longStats);
   } else if (colType.equalsIgnoreCase("double") || colType.equalsIgnoreCase("float")) {
     DoubleColumnStatsData doubleStats = new DoubleColumnStatsData();
     doubleStats.setNumNulls(mStatsObj.getNumNulls());
     doubleStats.setHighValue(mStatsObj.getDoubleHighValue());
     doubleStats.setLowValue(mStatsObj.getDoubleLowValue());
     doubleStats.setNumDVs(mStatsObj.getNumDVs());
     colStatsData.setDoubleStats(doubleStats);
   }
   statsObj.setStatsData(colStatsData);
   return statsObj;
  }
View Full Code Here
4977
4978
4979
4980
4981
4982
4983
4984
4985
4986
4987
    if (mStatsObj == null) {
      return null;
    }

    ColumnStatisticsDesc statsDesc = getPartitionColumnStatisticsDesc(mStatsObj);
    ColumnStatisticsObj statsObj = getPartitionColumnStatisticsObj(mStatsObj);
    List<ColumnStatisticsObj> statsObjs = new ArrayList<ColumnStatisticsObj>();
    statsObjs.add(statsObj);

    ColumnStatistics colStats = new ColumnStatistics();
    colStats.setStatsDesc(statsDesc);
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
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
    oldStatsObj.setNumNulls(mStatsObj.getNumNulls());
  }

  public static ColumnStatisticsObj getTableColumnStatisticsObj(
      MTableColumnStatistics mStatsObj) {
    ColumnStatisticsObj statsObj = new ColumnStatisticsObj();
    statsObj.setColType(mStatsObj.getColType());
    statsObj.setColName(mStatsObj.getColName());
    String colType = mStatsObj.getColType().toLowerCase();
    ColumnStatisticsData colStatsData = new ColumnStatisticsData();

    if (colType.equals("boolean")) {
      BooleanColumnStatsData boolStats = new BooleanColumnStatsData();
      boolStats.setNumFalses(mStatsObj.getNumFalses());
      boolStats.setNumTrues(mStatsObj.getNumTrues());
      boolStats.setNumNulls(mStatsObj.getNumNulls());
      colStatsData.setBooleanStats(boolStats);
    } else if (colType.equals("string") ||
        colType.startsWith("varchar") || colType.startsWith("char")) {
      StringColumnStatsData stringStats = new StringColumnStatsData();
      stringStats.setNumNulls(mStatsObj.getNumNulls());
      stringStats.setAvgColLen(mStatsObj.getAvgColLen());
      stringStats.setMaxColLen(mStatsObj.getMaxColLen());
      stringStats.setNumDVs(mStatsObj.getNumDVs());
      colStatsData.setStringStats(stringStats);
    } else if (colType.equals("binary")) {
      BinaryColumnStatsData binaryStats = new BinaryColumnStatsData();
      binaryStats.setNumNulls(mStatsObj.getNumNulls());
      binaryStats.setAvgColLen(mStatsObj.getAvgColLen());
      binaryStats.setMaxColLen(mStatsObj.getMaxColLen());
      colStatsData.setBinaryStats(binaryStats);
    } else if (colType.equals("bigint") || colType.equals("int") ||
        colType.equals("smallint") || colType.equals("tinyint") ||
        colType.equals("timestamp")) {
      LongColumnStatsData longStats = new LongColumnStatsData();
      longStats.setNumNulls(mStatsObj.getNumNulls());
      longStats.setHighValue(mStatsObj.getLongHighValue());
      longStats.setLowValue(mStatsObj.getLongLowValue());
      longStats.setNumDVs(mStatsObj.getNumDVs());
      colStatsData.setLongStats(longStats);
    } else if (colType.equals("double") || colType.equals("float")) {
      DoubleColumnStatsData doubleStats = new DoubleColumnStatsData();
      doubleStats.setNumNulls(mStatsObj.getNumNulls());
      doubleStats.setHighValue(mStatsObj.getDoubleHighValue());
      doubleStats.setLowValue(mStatsObj.getDoubleLowValue());
      doubleStats.setNumDVs(mStatsObj.getNumDVs());
      colStatsData.setDoubleStats(doubleStats);
    } else if (colType.equals("decimal")) {
      DecimalColumnStatsData decimalStats = new DecimalColumnStatsData();
      decimalStats.setNumNulls(mStatsObj.getNumNulls());
      decimalStats.setHighValue(createThriftDecimal(mStatsObj.getDecimalHighValue()));
      decimalStats.setLowValue(createThriftDecimal(mStatsObj.getDecimalLowValue()));
      decimalStats.setNumDVs(mStatsObj.getNumDVs());
      colStatsData.setDecimalStats(decimalStats);
    }
    statsObj.setStatsData(colStatsData);
    return statsObj;
  }
View Full Code Here
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
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
287
288
289
290
291
292
293
294
295
296
297
298
    return mColStats;
  }

  public static ColumnStatisticsObj getPartitionColumnStatisticsObj(
      MPartitionColumnStatistics mStatsObj) {
    ColumnStatisticsObj statsObj = new ColumnStatisticsObj();
    statsObj.setColType(mStatsObj.getColType());
    statsObj.setColName(mStatsObj.getColName());
    String colType = mStatsObj.getColType().toLowerCase();
    ColumnStatisticsData colStatsData = new ColumnStatisticsData();

    if (colType.equals("boolean")) {
      BooleanColumnStatsData boolStats = new BooleanColumnStatsData();
      boolStats.setNumFalses(mStatsObj.getNumFalses());
      boolStats.setNumTrues(mStatsObj.getNumTrues());
      boolStats.setNumNulls(mStatsObj.getNumNulls());
      colStatsData.setBooleanStats(boolStats);
    } else if (colType.equals("string") ||
        colType.startsWith("varchar") || colType.startsWith("char")) {
      StringColumnStatsData stringStats = new StringColumnStatsData();
      stringStats.setNumNulls(mStatsObj.getNumNulls());
      stringStats.setAvgColLen(mStatsObj.getAvgColLen());
      stringStats.setMaxColLen(mStatsObj.getMaxColLen());
      stringStats.setNumDVs(mStatsObj.getNumDVs());
      colStatsData.setStringStats(stringStats);
    } else if (colType.equals("binary")) {
      BinaryColumnStatsData binaryStats = new BinaryColumnStatsData();
      binaryStats.setNumNulls(mStatsObj.getNumNulls());
      binaryStats.setAvgColLen(mStatsObj.getAvgColLen());
      binaryStats.setMaxColLen(mStatsObj.getMaxColLen());
      colStatsData.setBinaryStats(binaryStats);
    } else if (colType.equals("tinyint") || colType.equals("smallint") ||
        colType.equals("int") || colType.equals("bigint") ||
        colType.equals("timestamp")) {
      LongColumnStatsData longStats = new LongColumnStatsData();
      longStats.setNumNulls(mStatsObj.getNumNulls());
      longStats.setHighValue(mStatsObj.getLongHighValue());
      longStats.setLowValue(mStatsObj.getLongLowValue());
      longStats.setNumDVs(mStatsObj.getNumDVs());
      colStatsData.setLongStats(longStats);
   } else if (colType.equals("double") || colType.equals("float")) {
     DoubleColumnStatsData doubleStats = new DoubleColumnStatsData();
     doubleStats.setNumNulls(mStatsObj.getNumNulls());
     doubleStats.setHighValue(mStatsObj.getDoubleHighValue());
     doubleStats.setLowValue(mStatsObj.getDoubleLowValue());
     doubleStats.setNumDVs(mStatsObj.getNumDVs());
     colStatsData.setDoubleStats(doubleStats);
   } else if (colType.equals("decimal")) {
     DecimalColumnStatsData decimalStats = new DecimalColumnStatsData();
     decimalStats.setNumNulls(mStatsObj.getNumNulls());
     decimalStats.setHighValue(createThriftDecimal(mStatsObj.getDecimalHighValue()));
     decimalStats.setLowValue(createThriftDecimal(mStatsObj.getDecimalLowValue()));
     decimalStats.setNumDVs(mStatsObj.getNumDVs());
     colStatsData.setDecimalStats(decimalStats);
   }
   statsObj.setStatsData(colStatsData);
   return statsObj;
  }
View Full Code Here
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
      statsDesc.setDbName(dbName);
      statsDesc.setTableName(tblName);
      statsDesc.setIsTblLevel(isTblLevel);
      statsDesc.setPartName(partName);

      ColumnStatisticsObj statsObj = new ColumnStatisticsObj();
      statsObj.setColName(colName[0]);
      statsObj.setColType(colType[0]);

      ColumnStatisticsData statsData = new ColumnStatisticsData();
      DoubleColumnStatsData numericStats = new DoubleColumnStatsData();
      statsData.setDoubleStats(numericStats);

      statsData.getDoubleStats().setHighValue(highValue);
      statsData.getDoubleStats().setLowValue(lowValue);
      statsData.getDoubleStats().setNumDVs(numDVs);
      statsData.getDoubleStats().setNumNulls(numNulls);

      statsObj.setStatsData(statsData);
      statsObjs.add(statsObj);

      statsObj = new ColumnStatisticsObj();
      statsObj.setColName(colName[1]);
      statsObj.setColType(colType[1]);

      statsData = new ColumnStatisticsData();
      StringColumnStatsData stringStats = new StringColumnStatsData();
      statsData.setStringStats(stringStats);
      statsData.getStringStats().setAvgColLen(avgColLen);
      statsData.getStringStats().setMaxColLen(maxColLen);
      statsData.getStringStats().setNumDVs(numDVs);
      statsData.getStringStats().setNumNulls(numNulls);

      statsObj.setStatsData(statsData);
      statsObjs.add(statsObj);

      ColumnStatistics colStats = new ColumnStatistics();
      colStats.setStatsDesc(statsDesc);
      colStats.setStatsObj(statsObjs);

      // write stats objs persistently
      client.updateTableColumnStatistics(colStats);

      // retrieve the stats obj that was just written
      ColumnStatisticsObj colStats2 = client.getTableColumnStatistics(
          dbName, tblName, Lists.newArrayList(colName[0])).get(0);

     // compare stats obj to ensure what we get is what we wrote
      assertNotNull(colStats2);
      assertEquals(colStats2.getColName(), colName[0]);
      assertEquals(colStats2.getStatsData().getDoubleStats().getLowValue(), lowValue);
      assertEquals(colStats2.getStatsData().getDoubleStats().getHighValue(), highValue);
      assertEquals(colStats2.getStatsData().getDoubleStats().getNumNulls(), numNulls);
      assertEquals(colStats2.getStatsData().getDoubleStats().getNumDVs(), numDVs);

      // test delete column stats; if no col name is passed all column stats associated with the
      // table is deleted
      boolean status = client.deleteTableColumnStatistics(dbName, tblName, null);
      assertTrue(status);
      // try to query stats for a column for which stats doesn't exist
      assertTrue(client.getTableColumnStatistics(
          dbName, tblName, Lists.newArrayList(colName[1])).isEmpty());

      colStats.setStatsDesc(statsDesc);
      colStats.setStatsObj(statsObjs);

      // update table level column stats
      client.updateTableColumnStatistics(colStats);

      // query column stats for column whose stats were updated in the previous call
      colStats2 = client.getTableColumnStatistics(
          dbName, tblName, Lists.newArrayList(colName[0])).get(0);

      // partition level column statistics test
      // create a table with multiple partitions
      cleanUp(dbName, tblName, typeName);

      List<List<String>> values = new ArrayList<List<String>>();
      values.add(makeVals("2008-07-01 14:13:12", "14"));
      values.add(makeVals("2008-07-01 14:13:12", "15"));
      values.add(makeVals("2008-07-02 14:13:12", "15"));
      values.add(makeVals("2008-07-03 14:13:12", "151"));

      createMultiPartitionTableSchema(dbName, tblName, typeName, values);

      List<String> partitions = client.listPartitionNames(dbName, tblName, (short)-1);

      partName = partitions.get(0);
      isTblLevel = false;

      // create a new columnstatistics desc to represent partition level column stats
      statsDesc = new ColumnStatisticsDesc();
      statsDesc.setDbName(dbName);
      statsDesc.setTableName(tblName);
      statsDesc.setPartName(partName);
      statsDesc.setIsTblLevel(isTblLevel);

      colStats = new ColumnStatistics();
      colStats.setStatsDesc(statsDesc);
      colStats.setStatsObj(statsObjs);

     client.updatePartitionColumnStatistics(colStats);

     colStats2 = client.getPartitionColumnStatistics(dbName, tblName,
         Lists.newArrayList(partName), Lists.newArrayList(colName[1])).get(partName).get(0);

     // compare stats obj to ensure what we get is what we wrote
     assertNotNull(colStats2);
     assertEquals(colStats.getStatsDesc().getPartName(), partName);
     assertEquals(colStats2.getColName(), colName[1]);
     assertEquals(colStats2.getStatsData().getStringStats().getMaxColLen(), maxColLen);
     assertEquals(colStats2.getStatsData().getStringStats().getAvgColLen(), avgColLen);
     assertEquals(colStats2.getStatsData().getStringStats().getNumNulls(), numNulls);
     assertEquals(colStats2.getStatsData().getStringStats().getNumDVs(), numDVs);

     // test stats deletion at partition level
     client.deletePartitionColumnStatistics(dbName, tblName, partName, colName[1]);

     colStats2 = client.getPartitionColumnStatistics(dbName, tblName,
View Full Code Here
288
289
290
291
292
293
294
295
296
297
298
299
300
    for (int i = 0; i < fields.size(); i++) {
      // Get the field objectInspector, fieldName and the field object.
      ObjectInspector foi = fields.get(i).getFieldObjectInspector();
      Object f = (list == null ? null : list.get(i));
      String fieldName = fields.get(i).getFieldName();
      ColumnStatisticsObj statsObj = new ColumnStatisticsObj();
      statsObj.setColName(colName.get(i));
      statsObj.setColType(colType.get(i));
      unpackStructObject(foi, f, fieldName, statsObj);
      statsObjs.add(statsObj);
    }

    ColumnStatistics colStats = new ColumnStatistics();
View Full Code Here
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
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
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
    }
  }

  public static ColumnStatisticsObj getTableColumnStatisticsObj(
      MTableColumnStatistics mStatsObj) {
    ColumnStatisticsObj statsObj = new ColumnStatisticsObj();
    statsObj.setColType(mStatsObj.getColType());
    statsObj.setColName(mStatsObj.getColName());
    String colType = mStatsObj.getColType().toLowerCase();
    ColumnStatisticsData colStatsData = new ColumnStatisticsData();

    if (colType.equals("boolean")) {
      BooleanColumnStatsData boolStats = new BooleanColumnStatsData();
      boolStats.setNumFalses(mStatsObj.getNumFalses());
      boolStats.setNumTrues(mStatsObj.getNumTrues());
      boolStats.setNumNulls(mStatsObj.getNumNulls());
      colStatsData.setBooleanStats(boolStats);
    } else if (colType.equals("string") ||
        colType.startsWith("varchar") || colType.startsWith("char")) {
      StringColumnStatsData stringStats = new StringColumnStatsData();
      stringStats.setNumNulls(mStatsObj.getNumNulls());
      stringStats.setAvgColLen(mStatsObj.getAvgColLen());
      stringStats.setMaxColLen(mStatsObj.getMaxColLen());
      stringStats.setNumDVs(mStatsObj.getNumDVs());
      colStatsData.setStringStats(stringStats);
    } else if (colType.equals("binary")) {
      BinaryColumnStatsData binaryStats = new BinaryColumnStatsData();
      binaryStats.setNumNulls(mStatsObj.getNumNulls());
      binaryStats.setAvgColLen(mStatsObj.getAvgColLen());
      binaryStats.setMaxColLen(mStatsObj.getMaxColLen());
      colStatsData.setBinaryStats(binaryStats);
    } else if (colType.equals("bigint") || colType.equals("int") ||
        colType.equals("smallint") || colType.equals("tinyint") ||
        colType.equals("timestamp")) {
      LongColumnStatsData longStats = new LongColumnStatsData();
      longStats.setNumNulls(mStatsObj.getNumNulls());
      Long longHighValue = mStatsObj.getLongHighValue();
      if (longHighValue != null) {
        longStats.setHighValue(longHighValue);
      }
      Long longLowValue = mStatsObj.getLongLowValue();
      if (longLowValue != null) {
        longStats.setLowValue(longLowValue);
      }
      longStats.setNumDVs(mStatsObj.getNumDVs());
      colStatsData.setLongStats(longStats);
    } else if (colType.equals("double") || colType.equals("float")) {
      DoubleColumnStatsData doubleStats = new DoubleColumnStatsData();
      doubleStats.setNumNulls(mStatsObj.getNumNulls());
      Double doubleHighValue = mStatsObj.getDoubleHighValue();
      if (doubleHighValue != null) {
        doubleStats.setHighValue(doubleHighValue);
      }
      Double doubleLowValue = mStatsObj.getDoubleLowValue();
      if (doubleLowValue != null) {
        doubleStats.setLowValue(doubleLowValue);
      }
      doubleStats.setNumDVs(mStatsObj.getNumDVs());
      colStatsData.setDoubleStats(doubleStats);
    } else if (colType.startsWith("decimal")) {
      DecimalColumnStatsData decimalStats = new DecimalColumnStatsData();
      decimalStats.setNumNulls(mStatsObj.getNumNulls());
      String decimalHighValue = mStatsObj.getDecimalHighValue();
      if (decimalHighValue != null) {
        decimalStats.setHighValue(createThriftDecimal(decimalHighValue));
      }
      String decimalLowValue = mStatsObj.getDecimalLowValue();
      if (decimalLowValue != null) {
        decimalStats.setLowValue(createThriftDecimal(decimalLowValue));
      }
      decimalStats.setNumDVs(mStatsObj.getNumDVs());
      colStatsData.setDecimalStats(decimalStats);
    }
    statsObj.setStatsData(colStatsData);
    return statsObj;
  }
View Full Code Here
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
    return mColStats;
  }

  public static ColumnStatisticsObj getPartitionColumnStatisticsObj(
      MPartitionColumnStatistics mStatsObj) {
    ColumnStatisticsObj statsObj = new ColumnStatisticsObj();
    statsObj.setColType(mStatsObj.getColType());
    statsObj.setColName(mStatsObj.getColName());
    String colType = mStatsObj.getColType().toLowerCase();
    ColumnStatisticsData colStatsData = new ColumnStatisticsData();

    if (colType.equals("boolean")) {
      BooleanColumnStatsData boolStats = new BooleanColumnStatsData();
      boolStats.setNumFalses(mStatsObj.getNumFalses());
      boolStats.setNumTrues(mStatsObj.getNumTrues());
      boolStats.setNumNulls(mStatsObj.getNumNulls());
      colStatsData.setBooleanStats(boolStats);
    } else if (colType.equals("string") ||
        colType.startsWith("varchar") || colType.startsWith("char")) {
      StringColumnStatsData stringStats = new StringColumnStatsData();
      stringStats.setNumNulls(mStatsObj.getNumNulls());
      stringStats.setAvgColLen(mStatsObj.getAvgColLen());
      stringStats.setMaxColLen(mStatsObj.getMaxColLen());
      stringStats.setNumDVs(mStatsObj.getNumDVs());
      colStatsData.setStringStats(stringStats);
    } else if (colType.equals("binary")) {
      BinaryColumnStatsData binaryStats = new BinaryColumnStatsData();
      binaryStats.setNumNulls(mStatsObj.getNumNulls());
      binaryStats.setAvgColLen(mStatsObj.getAvgColLen());
      binaryStats.setMaxColLen(mStatsObj.getMaxColLen());
      colStatsData.setBinaryStats(binaryStats);
    } else if (colType.equals("tinyint") || colType.equals("smallint") ||
        colType.equals("int") || colType.equals("bigint") ||
        colType.equals("timestamp")) {
      LongColumnStatsData longStats = new LongColumnStatsData();
      longStats.setNumNulls(mStatsObj.getNumNulls());
      if (mStatsObj.getLongHighValue() != null) {
        longStats.setHighValue(mStatsObj.getLongHighValue());
      }
      if (mStatsObj.getLongLowValue() != null) {
        longStats.setLowValue(mStatsObj.getLongLowValue());
      }
      longStats.setNumDVs(mStatsObj.getNumDVs());
      colStatsData.setLongStats(longStats);
    } else if (colType.equals("double") || colType.equals("float")) {
      DoubleColumnStatsData doubleStats = new DoubleColumnStatsData();
      doubleStats.setNumNulls(mStatsObj.getNumNulls());
      if (mStatsObj.getDoubleHighValue() != null) {
        doubleStats.setHighValue(mStatsObj.getDoubleHighValue());
      }
      if (mStatsObj.getDoubleLowValue() != null) {
        doubleStats.setLowValue(mStatsObj.getDoubleLowValue());
      }
      doubleStats.setNumDVs(mStatsObj.getNumDVs());
      colStatsData.setDoubleStats(doubleStats);
    } else if (colType.startsWith("decimal")) {
      DecimalColumnStatsData decimalStats = new DecimalColumnStatsData();
      decimalStats.setNumNulls(mStatsObj.getNumNulls());
      if (mStatsObj.getDecimalHighValue() != null) {
        decimalStats.setHighValue(createThriftDecimal(mStatsObj.getDecimalHighValue()));
      }
      if (mStatsObj.getDecimalLowValue() != null) {
        decimalStats.setLowValue(createThriftDecimal(mStatsObj.getDecimalLowValue()));
      }
      decimalStats.setNumDVs(mStatsObj.getNumDVs());
      colStatsData.setDecimalStats(decimalStats);
    }
    statsObj.setStatsData(colStatsData);
    return statsObj;
  }
View Full Code Here
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
      statsDesc.setDbName(dbName);
      statsDesc.setTableName(tblName);
      statsDesc.setIsTblLevel(isTblLevel);
      statsDesc.setPartName(partName);

      ColumnStatisticsObj statsObj = new ColumnStatisticsObj();
      statsObj.setColName(colName[0]);
      statsObj.setColType(colType[0]);

      ColumnStatisticsData statsData = new ColumnStatisticsData();
      DoubleColumnStatsData numericStats = new DoubleColumnStatsData();
      statsData.setDoubleStats(numericStats);

      statsData.getDoubleStats().setHighValue(highValue);
      statsData.getDoubleStats().setLowValue(lowValue);
      statsData.getDoubleStats().setNumDVs(numDVs);
      statsData.getDoubleStats().setNumNulls(numNulls);

      statsObj.setStatsData(statsData);
      statsObjs.add(statsObj);

      statsObj = new ColumnStatisticsObj();
      statsObj.setColName(colName[1]);
      statsObj.setColType(colType[1]);

      statsData = new ColumnStatisticsData();
      StringColumnStatsData stringStats = new StringColumnStatsData();
      statsData.setStringStats(stringStats);
      statsData.getStringStats().setAvgColLen(avgColLen);
      statsData.getStringStats().setMaxColLen(maxColLen);
      statsData.getStringStats().setNumDVs(numDVs);
      statsData.getStringStats().setNumNulls(numNulls);

      statsObj.setStatsData(statsData);
      statsObjs.add(statsObj);

      ColumnStatistics colStats = new ColumnStatistics();
      colStats.setStatsDesc(statsDesc);
      colStats.setStatsObj(statsObjs);

      // write stats objs persistently
      client.updateTableColumnStatistics(colStats);

      // retrieve the stats obj that was just written
      ColumnStatisticsObj colStats2 = client.getTableColumnStatistics(
          dbName, tblName, Lists.newArrayList(colName[0])).get(0);

     // compare stats obj to ensure what we get is what we wrote
      assertNotNull(colStats2);
      assertEquals(colStats2.getColName(), colName[0]);
      assertEquals(colStats2.getStatsData().getDoubleStats().getLowValue(), lowValue);
      assertEquals(colStats2.getStatsData().getDoubleStats().getHighValue(), highValue);
      assertEquals(colStats2.getStatsData().getDoubleStats().getNumNulls(), numNulls);
      assertEquals(colStats2.getStatsData().getDoubleStats().getNumDVs(), numDVs);

      // test delete column stats; if no col name is passed all column stats associated with the
      // table is deleted
      boolean status = client.deleteTableColumnStatistics(dbName, tblName, null);
      assertTrue(status);
      // try to query stats for a column for which stats doesn't exist
      assertTrue(client.getTableColumnStatistics(
          dbName, tblName, Lists.newArrayList(colName[1])).isEmpty());

      colStats.setStatsDesc(statsDesc);
      colStats.setStatsObj(statsObjs);

      // update table level column stats
      client.updateTableColumnStatistics(colStats);

      // query column stats for column whose stats were updated in the previous call
      colStats2 = client.getTableColumnStatistics(
          dbName, tblName, Lists.newArrayList(colName[0])).get(0);

      // partition level column statistics test
      // create a table with multiple partitions
      cleanUp(dbName, tblName, typeName);

      List<List<String>> values = new ArrayList<List<String>>();
      values.add(makeVals("2008-07-01 14:13:12", "14"));
      values.add(makeVals("2008-07-01 14:13:12", "15"));
      values.add(makeVals("2008-07-02 14:13:12", "15"));
      values.add(makeVals("2008-07-03 14:13:12", "151"));

      createMultiPartitionTableSchema(dbName, tblName, typeName, values);

      List<String> partitions = client.listPartitionNames(dbName, tblName, (short)-1);

      partName = partitions.get(0);
      isTblLevel = false;

      // create a new columnstatistics desc to represent partition level column stats
      statsDesc = new ColumnStatisticsDesc();
      statsDesc.setDbName(dbName);
      statsDesc.setTableName(tblName);
      statsDesc.setPartName(partName);
      statsDesc.setIsTblLevel(isTblLevel);

      colStats = new ColumnStatistics();
      colStats.setStatsDesc(statsDesc);
      colStats.setStatsObj(statsObjs);

     client.updatePartitionColumnStatistics(colStats);

     colStats2 = client.getPartitionColumnStatistics(dbName, tblName,
         Lists.newArrayList(partName), Lists.newArrayList(colName[1])).get(partName).get(0);

     // compare stats obj to ensure what we get is what we wrote
     assertNotNull(colStats2);
     assertEquals(colStats.getStatsDesc().getPartName(), partName);
     assertEquals(colStats2.getColName(), colName[1]);
     assertEquals(colStats2.getStatsData().getStringStats().getMaxColLen(), maxColLen);
     assertEquals(colStats2.getStatsData().getStringStats().getAvgColLen(), avgColLen);
     assertEquals(colStats2.getStatsData().getStringStats().getNumNulls(), numNulls);
     assertEquals(colStats2.getStatsData().getStringStats().getNumDVs(), numDVs);

     // test stats deletion at partition level
     client.deletePartitionColumnStatistics(dbName, tblName, partName, colName[1]);

     colStats2 = client.getPartitionColumnStatistics(dbName, tblName,
View Full Code Here
TOP

Related Classes of org.apache.hadoop.hive.metastore.api.ColumnStatisticsObj

  • com.facebook.presto.hive.shaded.org.apache.commons.lang.builder.HashCodeBuilder
  • com.facebook.presto.hive.shaded.org.apache.thrift.protocol.TTupleProtocol
  • org.apache.commons.lang.builder.HashCodeBuilder
  • org.apache.hadoop.hive.metastore.MetaStoreDirectSql
  • org.apache.hadoop.hive.metastore.ObjectStore
  • org.apache.hadoop.hive.metastore.StatObjectConverter
  • org.apache.hadoop.hive.metastore.TestHiveMetaStore
  • org.apache.hadoop.hive.ql.exec.ColumnStatsTask
  • org.apache.hadoop.hive.ql.exec.ColumnStatsUpdateTask
  • org.apache.hadoop.hive.ql.metadata.formatting.MetaDataFormatUtils
    • 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.