Examples with Drillbit org.apache.drill.exec.server.Drillbit used on opensource projects

Example 91 with Drillbit

use of org.apache.drill.exec.server.Drillbit in project drill by axbaretto.

the class TestMergingReceiver method handleEmptyBatch.

@Test
public void handleEmptyBatch() throws Exception {
    @SuppressWarnings("resource") final RemoteServiceSet serviceSet = RemoteServiceSet.getLocalServiceSet();
    try (final Drillbit bit1 = new Drillbit(CONFIG, serviceSet);
        final Drillbit bit2 = new Drillbit(CONFIG, serviceSet);
        final DrillClient client = new DrillClient(CONFIG, serviceSet.getCoordinator())) {
        bit1.run();
        bit2.run();
        client.connect();
        final List<QueryDataBatch> results = client.runQuery(org.apache.drill.exec.proto.UserBitShared.QueryType.PHYSICAL, Files.toString(DrillFileUtils.getResourceAsFile("/mergerecv/empty_batch.json"), Charsets.UTF_8));
        int count = 0;
        final RecordBatchLoader batchLoader = new RecordBatchLoader(client.getAllocator());
        // print the results
        for (final QueryDataBatch b : results) {
            final QueryData queryData = b.getHeader();
            // loaded but not used, for testing
            batchLoader.load(queryData.getDef(), b.getData());
            count += queryData.getRowCount();
            b.release();
            batchLoader.clear();
        }
        assertEquals(100000, count);
    }
}

Example 92 with Drillbit

use of org.apache.drill.exec.server.Drillbit in project drill by axbaretto.

the class TestOrderedPartitionExchange method twoBitTwoExchangeRun.

/**
 * Starts two drillbits and runs a physical plan with a Mock scan, project, OrderedParititionExchange, Union Exchange,
 * and sort. The final sort is done first on the partition column, and verifies that the partitions are correct, in that
 * all rows in partition 0 should come in the sort order before any row in partition 1, etc. Also verifies that the standard
 * deviation of the size of the partitions is less than one tenth the mean size of the partitions, because we expect all
 * the partitions to be roughly equal in size.
 * @throws Exception
 */
@Test
public void twoBitTwoExchangeRun() throws Exception {
    RemoteServiceSet serviceSet = RemoteServiceSet.getLocalServiceSet();
    try (Drillbit bit1 = new Drillbit(CONFIG, serviceSet);
        Drillbit bit2 = new Drillbit(CONFIG, serviceSet);
        DrillClient client = new DrillClient(CONFIG, serviceSet.getCoordinator())) {
        bit1.run();
        bit2.run();
        client.connect();
        List<QueryDataBatch> results = client.runQuery(org.apache.drill.exec.proto.UserBitShared.QueryType.PHYSICAL, Files.toString(DrillFileUtils.getResourceAsFile("/sender/ordered_exchange.json"), Charsets.UTF_8));
        int count = 0;
        List<Integer> partitionRecordCounts = Lists.newArrayList();
        for (QueryDataBatch b : results) {
            if (b.getData() != null) {
                int rows = b.getHeader().getRowCount();
                count += rows;
                DrillConfig config = DrillConfig.create();
                RecordBatchLoader loader = new RecordBatchLoader(new BootStrapContext(config, SystemOptionManager.createDefaultOptionDefinitions(), ClassPathScanner.fromPrescan(config)).getAllocator());
                loader.load(b.getHeader().getDef(), b.getData());
                BigIntVector vv1 = (BigIntVector) loader.getValueAccessorById(BigIntVector.class, loader.getValueVectorId(new SchemaPath("col1", ExpressionPosition.UNKNOWN)).getFieldIds()).getValueVector();
                Float8Vector vv2 = (Float8Vector) loader.getValueAccessorById(Float8Vector.class, loader.getValueVectorId(new SchemaPath("col2", ExpressionPosition.UNKNOWN)).getFieldIds()).getValueVector();
                IntVector pVector = (IntVector) loader.getValueAccessorById(IntVector.class, loader.getValueVectorId(new SchemaPath("partition", ExpressionPosition.UNKNOWN)).getFieldIds()).getValueVector();
                long previous1 = Long.MIN_VALUE;
                double previous2 = Double.MIN_VALUE;
                int partPrevious = -1;
                long current1 = Long.MIN_VALUE;
                double current2 = Double.MIN_VALUE;
                int partCurrent = -1;
                int partitionRecordCount = 0;
                for (int i = 0; i < rows; i++) {
                    previous1 = current1;
                    previous2 = current2;
                    partPrevious = partCurrent;
                    current1 = vv1.getAccessor().get(i);
                    current2 = vv2.getAccessor().get(i);
                    partCurrent = pVector.getAccessor().get(i);
                    Assert.assertTrue(current1 >= previous1);
                    if (current1 == previous1) {
                        Assert.assertTrue(current2 <= previous2);
                    }
                    if (partCurrent == partPrevious || partPrevious == -1) {
                        partitionRecordCount++;
                    } else {
                        partitionRecordCounts.add(partitionRecordCount);
                        partitionRecordCount = 0;
                    }
                }
                partitionRecordCounts.add(partitionRecordCount);
                loader.clear();
            }
            b.release();
        }
        double[] values = new double[partitionRecordCounts.size()];
        int i = 0;
        for (Integer rc : partitionRecordCounts) {
            values[i++] = rc.doubleValue();
        }
        StandardDeviation stdDev = new StandardDeviation();
        Mean mean = new Mean();
        double std = stdDev.evaluate(values);
        double m = mean.evaluate(values);
        System.out.println("mean: " + m + " std dev: " + std);
        // Assert.assertTrue(std < 0.1 * m);
        assertEquals(31000, count);
    }
}

Example 93 with Drillbit

use of org.apache.drill.exec.server.Drillbit in project drill by axbaretto.

the class TestHashJoin method multipleConditionJoin.

@Test
public void multipleConditionJoin() throws Throwable {
    // Function tests hash join with multiple join conditions
    try (final RemoteServiceSet serviceSet = RemoteServiceSet.getLocalServiceSet();
        final Drillbit bit = new Drillbit(CONFIG, serviceSet);
        final DrillClient client = new DrillClient(CONFIG, serviceSet.getCoordinator())) {
        // run query.
        bit.run();
        client.connect();
        final List<QueryDataBatch> results = client.runQuery(org.apache.drill.exec.proto.UserBitShared.QueryType.PHYSICAL, Files.toString(DrillFileUtils.getResourceAsFile("/join/hj_multi_condition_join.json"), Charsets.UTF_8).replace("#{TEST_FILE_1}", DrillFileUtils.getResourceAsFile("/build_side_input.json").toURI().toString()).replace("#{TEST_FILE_2}", DrillFileUtils.getResourceAsFile("/probe_side_input.json").toURI().toString()));
        final RecordBatchLoader batchLoader = new RecordBatchLoader(bit.getContext().getAllocator());
        final QueryDataBatch batch = results.get(1);
        assertTrue(batchLoader.load(batch.getHeader().getDef(), batch.getData()));
        final Iterator<VectorWrapper<?>> itr = batchLoader.iterator();
        // Just test the join key
        final long[] colA = { 1, 2, 1 };
        final long[] colC = { 100, 200, 500 };
        // Check the output of decimal9
        final ValueVector.Accessor intAccessor1 = itr.next().getValueVector().getAccessor();
        final ValueVector.Accessor intAccessor2 = itr.next().getValueVector().getAccessor();
        for (int i = 0; i < intAccessor1.getValueCount(); i++) {
            assertEquals(intAccessor1.getObject(i), colA[i]);
            assertEquals(intAccessor2.getObject(i), colC[i]);
        }
        assertEquals(3, intAccessor1.getValueCount());
        batchLoader.clear();
        for (final QueryDataBatch result : results) {
            result.release();
        }
    }
}

Example 94 with Drillbit

use of org.apache.drill.exec.server.Drillbit in project drill by axbaretto.

the class TestHashJoin method hjWithExchange1.

@Test
public void hjWithExchange1() throws Throwable {
    // Another test for hash join with exchanges
    try (final RemoteServiceSet serviceSet = RemoteServiceSet.getLocalServiceSet();
        final Drillbit bit = new Drillbit(CONFIG, serviceSet);
        final DrillClient client = new DrillClient(CONFIG, serviceSet.getCoordinator())) {
        // run query.
        bit.run();
        client.connect();
        final List<QueryDataBatch> results = client.runQuery(org.apache.drill.exec.proto.UserBitShared.QueryType.PHYSICAL, Files.toString(DrillFileUtils.getResourceAsFile("/join/hj_exchanges1.json"), Charsets.UTF_8));
        int count = 0;
        for (final QueryDataBatch b : results) {
            if (b.getHeader().getRowCount() != 0) {
                count += b.getHeader().getRowCount();
            }
            b.release();
        }
        System.out.println("Total records: " + count);
        assertEquals(272, count);
    }
}

Example 95 with Drillbit

use of org.apache.drill.exec.server.Drillbit in project drill by axbaretto.

the class TestMergeJoin method testMergeJoinLeftEmptyBatch.

@Test
public void testMergeJoinLeftEmptyBatch() throws Exception {
    final RemoteServiceSet serviceSet = RemoteServiceSet.getLocalServiceSet();
    try (final Drillbit bit1 = new Drillbit(CONFIG, serviceSet);
        final DrillClient client = new DrillClient(CONFIG, serviceSet.getCoordinator())) {
        bit1.run();
        client.connect();
        final List<QueryDataBatch> results = client.runQuery(org.apache.drill.exec.proto.UserBitShared.QueryType.PHYSICAL, Files.toString(DrillFileUtils.getResourceAsFile("/join/merge_join_empty_batch.json"), Charsets.UTF_8).replace("${JOIN_TYPE}", "LEFT"));
        int count = 0;
        for (final QueryDataBatch b : results) {
            if (b.getHeader().getRowCount() != 0) {
                count += b.getHeader().getRowCount();
            }
            b.release();
        }
        assertEquals(50, count);
    }
}