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~~

567 568 569 570 571 572 573 574 575 576 577     AggregationClient aClient = new AggregationClient(conf);     Scan scan = new Scan();     scan.addFamily(TEST_FAMILY);     final ColumnInterpreter<Long, Long, EmptyMsg, LongMsg, LongMsg> ci =         new LongColumnInterpreter();     long sum = aClient.sum(TEST_TABLE, ci,         scan);     assertEquals(190 + 1900, sum); } @Test

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581 582 583 584 585 586 587 588 589 590 591     scan.addFamily(TEST_FAMILY);     scan.setStartRow(ROWS[6]);     scan.setStopRow(ROWS[7]);     final ColumnInterpreter<Long, Long, EmptyMsg, LongMsg, LongMsg> ci =         new LongColumnInterpreter();     long sum = aClient.sum(TEST_TABLE, ci, scan);     assertEquals(6 + 60, sum); } @Test public void testSumWithValidRangeWithNullCF() {

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595 596 597 598 599 600 601 602 603 604 605     scan.setStopRow(ROWS[7]);     final ColumnInterpreter<Long, Long, EmptyMsg, LongMsg, LongMsg> ci =         new LongColumnInterpreter();     Long 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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613 614 615 616 617 618 619 620 621 622 623     scan.setStopRow(ROWS[2]);     final ColumnInterpreter<Long, Long, EmptyMsg, LongMsg, LongMsg> ci =         new LongColumnInterpreter();     Long 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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629 630 631 632 633 634 635 636 637 638 639     scan.addFamily(TEST_FAMILY);     scan.setFilter(f);     final ColumnInterpreter<Long, Long, EmptyMsg, LongMsg, LongMsg> ci =         new LongColumnInterpreter();     Long sum = null;     sum = aClient.sum(TEST_TABLE, ci, scan);     assertEquals(null, sum); } /**    * ****************************** Test Cases for Avg **************

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406 407 408 409 410 411 412 413 414 415 416     AggregationClient aClient = new AggregationClient(conf);     Scan scan = new Scan();     scan.addColumn(TEST_FAMILY, TEST_QUALIFIER);     final ColumnInterpreter<Double, Double, EmptyMsg, DoubleMsg, DoubleMsg> ci =         new DoubleColumnInterpreter();     double sum = aClient.sum(TEST_TABLE, ci, scan);     assertEquals(190.00, sum, 0.00); } /**    * @throws Throwable

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422 423 424 425 426 427 428 429 430 431 432     scan.addColumn(TEST_FAMILY, TEST_QUALIFIER);     scan.setStartRow(ROWS[5]);     scan.setStopRow(ROWS[15]);     final ColumnInterpreter<Double, Double, EmptyMsg, DoubleMsg, DoubleMsg> ci =         new DoubleColumnInterpreter();     double sum = aClient.sum(TEST_TABLE, ci, scan);     assertEquals(95.00, sum, 0.00); } @Test(timeout = 300000) public void testSumWithValidRangeWithNoCQ() throws Throwable {

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433 434 435 436 437 438 439 440 441 442 443     AggregationClient aClient = new AggregationClient(conf);     Scan scan = new Scan();     scan.addFamily(TEST_FAMILY);     final ColumnInterpreter<Double, Double, EmptyMsg, DoubleMsg, DoubleMsg> ci =         new DoubleColumnInterpreter();     double sum = aClient.sum(TEST_TABLE, ci, scan);     assertEquals(209.00, sum, 0.00); // 190 + 19 } @Test(timeout = 300000) public void testSumWithValidRange2WithNoCQ() throws Throwable {

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446 447 448 449 450 451 452 453 454 455 456     scan.addFamily(TEST_FAMILY);     scan.setStartRow(ROWS[6]);     scan.setStopRow(ROWS[7]);     final ColumnInterpreter<Double, Double, EmptyMsg, DoubleMsg, DoubleMsg> ci =         new DoubleColumnInterpreter();     double sum = aClient.sum(TEST_TABLE, ci, scan);     assertEquals(6.60, sum, 0.00); // 6 + 60 } @Test(timeout = 300000) public void testSumWithValidRangeWithNullCF() {

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460 461 462 463 464 465 466 467 468 469 470     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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