Examples with VectorAccessibleSerializable org.apache.drill.exec.cache.VectorAccessibleSerializable used on opensource projects

Example 11 with VectorAccessibleSerializable

use of org.apache.drill.exec.cache.VectorAccessibleSerializable in project drill by axbaretto.

the class TestTraceOutputDump method testFilter.

@Test
public void testFilter() throws Throwable {
    final DrillbitContext bitContext = mockDrillbitContext();
    final UserClientConnection connection = Mockito.mock(UserClientConnection.class);
    final PhysicalPlanReader reader = PhysicalPlanReaderTestFactory.defaultPhysicalPlanReader(c);
    final PhysicalPlan plan = reader.readPhysicalPlan(Files.toString(DrillFileUtils.getResourceAsFile("/trace/simple_trace.json"), Charsets.UTF_8));
    final FunctionImplementationRegistry registry = new FunctionImplementationRegistry(c);
    final FragmentContextImpl context = new FragmentContextImpl(bitContext, PlanFragment.getDefaultInstance(), connection, registry);
    final SimpleRootExec exec = new SimpleRootExec(ImplCreator.getExec(context, (FragmentRoot) plan.getSortedOperators(false).iterator().next()));
    while (exec.next()) {
    }
    exec.close();
    if (context.getExecutorState().getFailureCause() != null) {
        throw context.getExecutorState().getFailureCause();
    }
    assertTrue(!context.getExecutorState().isFailed());
    final FragmentHandle handle = context.getHandle();
    /* Form the file name to which the trace output will dump the record batches */
    final String qid = QueryIdHelper.getQueryId(handle.getQueryId());
    final int majorFragmentId = handle.getMajorFragmentId();
    final int minorFragmentId = handle.getMinorFragmentId();
    final String logLocation = c.getString(ExecConstants.TRACE_DUMP_DIRECTORY);
    System.out.println("Found log location: " + logLocation);
    final String filename = String.format("%s//%s_%d_%d_mock-scan", logLocation, qid, majorFragmentId, minorFragmentId);
    System.out.println("File Name: " + filename);
    final Configuration conf = new Configuration();
    conf.set(FileSystem.FS_DEFAULT_NAME_KEY, c.getString(ExecConstants.TRACE_DUMP_FILESYSTEM));
    final FileSystem fs = FileSystem.get(conf);
    final Path path = new Path(filename);
    assertTrue("Trace file does not exist", fs.exists(path));
    final FSDataInputStream in = fs.open(path);
    final VectorAccessibleSerializable wrap = new VectorAccessibleSerializable(context.getAllocator());
    wrap.readFromStream(in);
    final VectorAccessible container = wrap.get();
    /* Assert there are no selection vectors */
    assertTrue(wrap.getSv2() == null);
    /* Assert there is only one record */
    assertTrue(container.getRecordCount() == 1);
    /* Read the Integer value and ASSERT its Integer.MIN_VALUE */
    final int value = (int) container.iterator().next().getValueVector().getAccessor().getObject(0);
    assertTrue(value == Integer.MIN_VALUE);
}

Example 12 with VectorAccessibleSerializable

use of org.apache.drill.exec.cache.VectorAccessibleSerializable in project drill by axbaretto.

the class DumpCat method doBatch.

/**
 * Batch mode:
 * $drill-dumpcat --file=local:///tmp/drilltrace/[queryid]_[tag]_[majorid]_[minor]_[operator] --batch=123 --include-headers=true
 * Records: 1/1
 * Average Record Size: 8 bytes
 * Total Data Size: 8 bytes
 * Schema Information
 * name: col1, minor_type: int4, data_mode: nullable
 * name: col2, minor_type: int4, data_mode: non-nullable
 * @param targetBatchNum
 * @throws Exception
 */
protected void doBatch(FileInputStream input, int targetBatchNum, boolean showHeader) throws Exception {
    int batchNum = -1;
    VectorAccessibleSerializable vcSerializable = null;
    while (input.available() > 0 && batchNum++ < targetBatchNum) {
        vcSerializable = new VectorAccessibleSerializable(DumpCat.allocator);
        vcSerializable.readFromStream(input);
        if (batchNum != targetBatchNum) {
            final VectorContainer vectorContainer = vcSerializable.get();
            vectorContainer.zeroVectors();
        }
    }
    if (batchNum < targetBatchNum) {
        System.out.println(String.format("Wrong input of batch # ! Total # of batch in the file is %d. Please input a number 0..%d as batch #", batchNum + 1, batchNum));
        input.close();
        System.exit(-1);
    }
    if (vcSerializable != null) {
        showSingleBatch(vcSerializable, showHeader);
        final VectorContainer vectorContainer = vcSerializable.get();
        vectorContainer.zeroVectors();
    }
}

Example 13 with VectorAccessibleSerializable

use of org.apache.drill.exec.cache.VectorAccessibleSerializable in project drill by apache.

the class DumpCat method doQuery.

/**
 * Querymode:
 * $drill-dumpcat --file=local:///tmp/drilltrace/[queryid]_[tag]_[majorid]_[minor]_[operator]
 *   Batches: 135
 *   Records: 53,214/53,214 // the first one is the selected records.  The second number is the total number of records.
 *   Selected Records: 53,214
 *   Average Record Size: 74 bytes
 *   Total Data Size: 12,345 bytes
 *   Number of Empty Batches: 1
 *   Schema changes: 1
 *   Schema change batch indices: 0
 * @throws Exception
 */
protected void doQuery(FileInputStream input) throws Exception {
    int batchNum = 0;
    int emptyBatchNum = 0;
    BatchSchema prevSchema = null;
    final List<Integer> schemaChangeIdx = Lists.newArrayList();
    final BatchMetaInfo aggBatchMetaInfo = new BatchMetaInfo();
    while (input.available() > 0) {
        final VectorAccessibleSerializable vcSerializable = new VectorAccessibleSerializable(DumpCat.allocator);
        vcSerializable.readFromStream(input);
        final VectorContainer vectorContainer = vcSerializable.get();
        aggBatchMetaInfo.add(getBatchMetaInfo(vcSerializable));
        if (vectorContainer.getRecordCount() == 0) {
            emptyBatchNum++;
        }
        if (prevSchema != null && !vectorContainer.getSchema().equals(prevSchema)) {
            schemaChangeIdx.add(batchNum);
        }
        prevSchema = vectorContainer.getSchema();
        batchNum++;
        vectorContainer.zeroVectors();
    }
    /* output the summary stat */
    System.out.println(String.format("Total # of batches: %d", batchNum));
    // output: rows, selectedRows, avg rec size, total data size.
    System.out.println(aggBatchMetaInfo.toString());
    System.out.println(String.format("Empty batch : %d", emptyBatchNum));
    System.out.println(String.format("Schema changes : %d", schemaChangeIdx.size()));
    System.out.println(String.format("Schema change batch index : %s", schemaChangeIdx.toString()));
}