Examples of org.apache.hadoop.hbase.client.coprocessor.AggregationClient.sum()

Package org.apache.hadoop.hbase.client.coprocessor

Class org.apache.hadoop.hbase.client.coprocessor.AggregationClient

Examples of org.apache.hadoop.hbase.client.coprocessor.AggregationClient.sum()

org.apache.hadoop.hbase.client.coprocessor.AggregationClient.sum()
It sums up the value returned from various regions. In case qualifier is null, summation of all the column qualifiers in the given family is done. @param tableName @param ci @param scan @return sum ~~@throws Throwable~~

459 460 461 462 463 464 465 466 467 468 469     scan.setStopRow(ROWS[7]);     final ColumnInterpreter<Double, Double, EmptyMsg, DoubleMsg, DoubleMsg> ci =         new DoubleColumnInterpreter();     Double sum = null;     try {       sum = aClient.sum(TEST_TABLE, ci, scan);     } catch (Throwable e) {     }     assertEquals(null, sum);// CP will throw an IOException about the     // null column family, and max will be set to 0 }

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477 478 479 480 481 482 483 484 485 486 487     scan.setStopRow(ROWS[2]);     final ColumnInterpreter<Double, Double, EmptyMsg, DoubleMsg, DoubleMsg> ci =         new DoubleColumnInterpreter();     Double sum = null;     try {       sum = aClient.sum(TEST_TABLE, ci, scan);     } catch (Throwable e) {     }     assertEquals(null, sum);// control should go to the catch block }

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493 494 495 496 497 498 499 500 501 502 503     scan.addFamily(TEST_FAMILY);     scan.setFilter(f);     final ColumnInterpreter<Double, Double, EmptyMsg, DoubleMsg, DoubleMsg> ci =         new DoubleColumnInterpreter();     Double sum = null;     sum = aClient.sum(TEST_TABLE, ci, scan);     assertEquals(null, sum); } /**    * ****************************** Test Cases for Avg **************

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402 403 404 405 406 407 408 409 410 411 412     AggregationClient aClient = new AggregationClient(conf);     Scan scan = new Scan();     scan.addColumn(TEST_FAMILY, TEST_QUALIFIER);     final ColumnInterpreter<BigDecimal, BigDecimal, EmptyMsg, BigDecimalMsg, BigDecimalMsg> ci =       new BigDecimalColumnInterpreter();     BigDecimal sum = aClient.sum(TEST_TABLE, ci, scan);     assertEquals(new BigDecimal("190.00"), sum); } /**    * @throws Throwable

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418 419 420 421 422 423 424 425 426 427 428     scan.addColumn(TEST_FAMILY, TEST_QUALIFIER);     scan.setStartRow(ROWS[5]);     scan.setStopRow(ROWS[15]);     final ColumnInterpreter<BigDecimal, BigDecimal, EmptyMsg, BigDecimalMsg, BigDecimalMsg> ci =       new BigDecimalColumnInterpreter();     BigDecimal sum = aClient.sum(TEST_TABLE, ci, scan);     assertEquals(new BigDecimal("95.00"), sum); } @Test (timeout=300000) public void testSumWithValidRangeWithNoCQ() throws Throwable {

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429 430 431 432 433 434 435 436 437 438 439     AggregationClient aClient = new AggregationClient(conf);     Scan scan = new Scan();     scan.addFamily(TEST_FAMILY);     final ColumnInterpreter<BigDecimal, BigDecimal, EmptyMsg, BigDecimalMsg, BigDecimalMsg> ci =       new BigDecimalColumnInterpreter();     BigDecimal sum = aClient.sum(TEST_TABLE, ci, scan);     assertEquals(new BigDecimal("209.00"), sum); // 190 + 19 } @Test (timeout=300000) public void testSumWithValidRange2WithNoCQ() throws Throwable {

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442 443 444 445 446 447 448 449 450 451 452     scan.addFamily(TEST_FAMILY);     scan.setStartRow(ROWS[6]);     scan.setStopRow(ROWS[7]);     final ColumnInterpreter<BigDecimal, BigDecimal, EmptyMsg, BigDecimalMsg, BigDecimalMsg> ci =       new BigDecimalColumnInterpreter();     BigDecimal sum = aClient.sum(TEST_TABLE, ci, scan);     assertEquals(new BigDecimal("6.60"), sum); // 6 + 60 } @Test (timeout=300000) public void testSumWithValidRangeWithNullCF() {

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456 457 458 459 460 461 462 463 464 465 466     scan.setStopRow(ROWS[7]);     final ColumnInterpreter<BigDecimal, BigDecimal, EmptyMsg, BigDecimalMsg, BigDecimalMsg> ci =       new BigDecimalColumnInterpreter();     BigDecimal sum = null;     try {       sum = aClient.sum(TEST_TABLE, ci, scan);     } catch (Throwable e) {     }     assertEquals(null, sum);// CP will throw an IOException about the     // null column family, and max will be set to 0 }

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474 475 476 477 478 479 480 481 482 483 484     scan.setStopRow(ROWS[2]);     final ColumnInterpreter<BigDecimal, BigDecimal, EmptyMsg, BigDecimalMsg, BigDecimalMsg> ci =       new BigDecimalColumnInterpreter();     BigDecimal sum = null;     try {       sum = aClient.sum(TEST_TABLE, ci, scan);     } catch (Throwable e) {     }     assertEquals(null, sum);// control should go to the catch block }

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490 491 492 493 494 495 496 497 498 499 500     scan.addFamily(TEST_FAMILY);     scan.setFilter(f);     final ColumnInterpreter<BigDecimal, BigDecimal, EmptyMsg, BigDecimalMsg, BigDecimalMsg> ci =       new BigDecimalColumnInterpreter();     BigDecimal sum = null;     sum = aClient.sum(TEST_TABLE, ci, scan);     assertEquals(null, sum); } /**    * ****************************** Test Cases for Avg **************

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