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~~

581 582 583 584 585 586 587 588 589 590 591     Scan scan = new Scan();     scan.addFamily(TEST_FAMILY);     scan.setFilter(f);     final ColumnInterpreter<Long, Long> ci = new LongColumnInterpreter();     Long sum = null;     sum = aClient.sum(TEST_TABLE, ci, scan);     assertEquals(null, sum); } /**    * ****************************** Test Cases for Avg **************

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400 401 402 403 404 405 406 407 408 409 410     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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416 417 418 419 420 421 422 423 424 425 426     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 public void testSumWithValidRangeWithNoCQ() throws Throwable {

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427 428 429 430 431 432 433 434 435 436 437     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 public void testSumWithValidRange2WithNoCQ() throws Throwable {

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440 441 442 443 444 445 446 447 448 449 450     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 public void testSumWithValidRangeWithNullCF() {

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454 455 456 457 458 459 460 461 462 463 464     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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472 473 474 475 476 477 478 479 480 481 482     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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488 489 490 491 492 493 494 495 496 497 498     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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539 540 541 542 543 544 545 546 547 548 549     AggregationClient aClient = new AggregationClient(conf);     Scan scan = new Scan();     scan.addColumn(TEST_FAMILY,TEST_QUALIFIER);     final ColumnInterpreter<Long, Long, EmptyMsg, LongMsg, LongMsg> ci =         new LongColumnInterpreter();     long sum = aClient.sum(TEST_TABLE, ci,         scan);     assertEquals(190, sum); } /**

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556 557 558 559 560 561 562 563 564 565 566     scan.addColumn(TEST_FAMILY,TEST_QUALIFIER);     scan.setStartRow(ROWS[5]);     scan.setStopRow(ROWS[15]);     final ColumnInterpreter<Long, Long, EmptyMsg, LongMsg, LongMsg> ci =         new LongColumnInterpreter();     long sum = aClient.sum(TEST_TABLE, ci, scan);     assertEquals(95, sum); } @Test public void testSumWithValidRangeWithNoCQ() throws Throwable {

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