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Example 1 with ExecutionSetupException

use of org.apache.drill.common.exceptions.ExecutionSetupException in project drill by apache.

the class HiveAbstractReader method setup.

@Override
public void setup(OperatorContext context, OutputMutator output) throws ExecutionSetupException {
    // initializes "reader"
    final Callable<Void> readerInitializer = new Callable<Void>() {

        @Override
        public Void call() throws Exception {
            init();
            return null;
        }
    };
    final ListenableFuture<Void> result = context.runCallableAs(proxyUgi, readerInitializer);
    try {
        result.get();
    } catch (InterruptedException e) {
        result.cancel(true);
        // Preserve evidence that the interruption occurred so that code higher up on the call stack can learn of the
        // interruption and respond to it if it wants to.
        Thread.currentThread().interrupt();
    } catch (ExecutionException e) {
        throw ExecutionSetupException.fromThrowable(e.getMessage(), e);
    }
    try {
        final OptionManager options = fragmentContext.getOptions();
        for (int i = 0; i < selectedColumnNames.size(); i++) {
            MajorType type = HiveUtilities.getMajorTypeFromHiveTypeInfo(selectedColumnTypes.get(i), options);
            MaterializedField field = MaterializedField.create(selectedColumnNames.get(i), type);
            Class<? extends ValueVector> vvClass = TypeHelper.getValueVectorClass(type.getMinorType(), type.getMode());
            vectors.add(output.addField(field, vvClass));
        }
        for (int i = 0; i < selectedPartitionNames.size(); i++) {
            MajorType type = HiveUtilities.getMajorTypeFromHiveTypeInfo(selectedPartitionTypes.get(i), options);
            MaterializedField field = MaterializedField.create(selectedPartitionNames.get(i), type);
            Class<? extends ValueVector> vvClass = TypeHelper.getValueVectorClass(field.getType().getMinorType(), field.getDataMode());
            pVectors.add(output.addField(field, vvClass));
        }
    } catch (SchemaChangeException e) {
        throw new ExecutionSetupException(e);
    }
}
Also used : ExecutionSetupException(org.apache.drill.common.exceptions.ExecutionSetupException) MajorType(org.apache.drill.common.types.TypeProtos.MajorType) MaterializedField(org.apache.drill.exec.record.MaterializedField) Callable(java.util.concurrent.Callable) OptionManager(org.apache.drill.exec.server.options.OptionManager) SchemaChangeException(org.apache.drill.exec.exception.SchemaChangeException) ExecutionException(java.util.concurrent.ExecutionException)

Example 2 with ExecutionSetupException

use of org.apache.drill.common.exceptions.ExecutionSetupException in project drill by apache.

the class HiveAbstractReader method init.

private void init() throws ExecutionSetupException {
    final JobConf job = new JobConf(hiveConf);
    // Get the configured default val
    defaultPartitionValue = hiveConf.get(ConfVars.DEFAULTPARTITIONNAME.varname);
    Properties tableProperties;
    try {
        tableProperties = HiveUtilities.getTableMetadata(table);
        final Properties partitionProperties = (partition == null) ? tableProperties : HiveUtilities.getPartitionMetadata(partition, table);
        HiveUtilities.addConfToJob(job, partitionProperties);
        final SerDe tableSerDe = createSerDe(job, table.getSd().getSerdeInfo().getSerializationLib(), tableProperties);
        final StructObjectInspector tableOI = getStructOI(tableSerDe);
        if (partition != null) {
            partitionSerDe = createSerDe(job, partition.getSd().getSerdeInfo().getSerializationLib(), partitionProperties);
            partitionOI = getStructOI(partitionSerDe);
            finalOI = (StructObjectInspector) ObjectInspectorConverters.getConvertedOI(partitionOI, tableOI);
            partTblObjectInspectorConverter = ObjectInspectorConverters.getConverter(partitionOI, finalOI);
            job.setInputFormat(HiveUtilities.getInputFormatClass(job, partition.getSd(), table));
        } else {
            // For non-partitioned tables, there is no need to create converter as there are no schema changes expected.
            partitionSerDe = tableSerDe;
            partitionOI = tableOI;
            partTblObjectInspectorConverter = null;
            finalOI = tableOI;
            job.setInputFormat(HiveUtilities.getInputFormatClass(job, table.getSd(), table));
        }
        if (logger.isTraceEnabled()) {
            for (StructField field : finalOI.getAllStructFieldRefs()) {
                logger.trace("field in finalOI: {}", field.getClass().getName());
            }
            logger.trace("partitionSerDe class is {} {}", partitionSerDe.getClass().getName());
        }
        // Get list of partition column names
        final List<String> partitionNames = Lists.newArrayList();
        for (FieldSchema field : table.getPartitionKeys()) {
            partitionNames.add(field.getName());
        }
        // We should always get the columns names from ObjectInspector. For some of the tables (ex. avro) metastore
        // may not contain the schema, instead it is derived from other sources such as table properties or external file.
        // SerDe object knows how to get the schema with all the config and table properties passed in initialization.
        // ObjectInspector created from the SerDe object has the schema.
        final StructTypeInfo sTypeInfo = (StructTypeInfo) TypeInfoUtils.getTypeInfoFromObjectInspector(finalOI);
        final List<String> tableColumnNames = sTypeInfo.getAllStructFieldNames();
        // Select list of columns for project pushdown into Hive SerDe readers.
        final List<Integer> columnIds = Lists.newArrayList();
        if (isStarQuery()) {
            selectedColumnNames = tableColumnNames;
            for (int i = 0; i < selectedColumnNames.size(); i++) {
                columnIds.add(i);
            }
            selectedPartitionNames = partitionNames;
        } else {
            selectedColumnNames = Lists.newArrayList();
            for (SchemaPath field : getColumns()) {
                String columnName = field.getRootSegment().getPath();
                if (partitionNames.contains(columnName)) {
                    selectedPartitionNames.add(columnName);
                } else {
                    columnIds.add(tableColumnNames.indexOf(columnName));
                    selectedColumnNames.add(columnName);
                }
            }
        }
        ColumnProjectionUtils.appendReadColumns(job, columnIds, selectedColumnNames);
        for (String columnName : selectedColumnNames) {
            StructField fieldRef = finalOI.getStructFieldRef(columnName);
            selectedStructFieldRefs.add(fieldRef);
            ObjectInspector fieldOI = fieldRef.getFieldObjectInspector();
            TypeInfo typeInfo = TypeInfoUtils.getTypeInfoFromTypeString(fieldOI.getTypeName());
            selectedColumnObjInspectors.add(fieldOI);
            selectedColumnTypes.add(typeInfo);
            selectedColumnFieldConverters.add(HiveFieldConverter.create(typeInfo, fragmentContext));
        }
        for (int i = 0; i < selectedColumnNames.size(); ++i) {
            logger.trace("inspector:typeName={}, className={}, TypeInfo: {}, converter:{}", selectedColumnObjInspectors.get(i).getTypeName(), selectedColumnObjInspectors.get(i).getClass().getName(), selectedColumnTypes.get(i).toString(), selectedColumnFieldConverters.get(i).getClass().getName());
        }
        for (int i = 0; i < table.getPartitionKeys().size(); i++) {
            FieldSchema field = table.getPartitionKeys().get(i);
            if (selectedPartitionNames.contains(field.getName())) {
                TypeInfo pType = TypeInfoUtils.getTypeInfoFromTypeString(field.getType());
                selectedPartitionTypes.add(pType);
                if (partition != null) {
                    selectedPartitionValues.add(HiveUtilities.convertPartitionType(pType, partition.getValues().get(i), defaultPartitionValue));
                }
            }
        }
    } catch (Exception e) {
        throw new ExecutionSetupException("Failure while initializing Hive Reader " + this.getClass().getName(), e);
    }
    if (!empty) {
        try {
            reader = (org.apache.hadoop.mapred.RecordReader<Object, Object>) job.getInputFormat().getRecordReader(inputSplit, job, Reporter.NULL);
            logger.trace("hive reader created: {} for inputSplit {}", reader.getClass().getName(), inputSplit.toString());
        } catch (Exception e) {
            throw new ExecutionSetupException("Failed to get o.a.hadoop.mapred.RecordReader from Hive InputFormat", e);
        }
        internalInit(tableProperties, reader);
    }
}
Also used : SerDe(org.apache.hadoop.hive.serde2.SerDe) ExecutionSetupException(org.apache.drill.common.exceptions.ExecutionSetupException) ObjectInspector(org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector) StructObjectInspector(org.apache.hadoop.hive.serde2.objectinspector.StructObjectInspector) FieldSchema(org.apache.hadoop.hive.metastore.api.FieldSchema) StructTypeInfo(org.apache.hadoop.hive.serde2.typeinfo.StructTypeInfo) Properties(java.util.Properties) StructTypeInfo(org.apache.hadoop.hive.serde2.typeinfo.StructTypeInfo) TypeInfo(org.apache.hadoop.hive.serde2.typeinfo.TypeInfo) ExecutionSetupException(org.apache.drill.common.exceptions.ExecutionSetupException) ExecutionException(java.util.concurrent.ExecutionException) SchemaChangeException(org.apache.drill.exec.exception.SchemaChangeException) StructField(org.apache.hadoop.hive.serde2.objectinspector.StructField) SchemaPath(org.apache.drill.common.expression.SchemaPath) JobConf(org.apache.hadoop.mapred.JobConf) StructObjectInspector(org.apache.hadoop.hive.serde2.objectinspector.StructObjectInspector)

Example 3 with ExecutionSetupException

use of org.apache.drill.common.exceptions.ExecutionSetupException in project drill by apache.

the class HiveDrillNativeScanBatchCreator method getBatch.

@Override
public ScanBatch getBatch(FragmentContext context, HiveDrillNativeParquetSubScan config, List<RecordBatch> children) throws ExecutionSetupException {
    final HiveTableWithColumnCache table = config.getTable();
    final List<InputSplit> splits = config.getInputSplits();
    final List<HivePartition> partitions = config.getPartitions();
    final List<SchemaPath> columns = config.getColumns();
    final String partitionDesignator = context.getOptions().getOption(ExecConstants.FILESYSTEM_PARTITION_COLUMN_LABEL).string_val;
    List<Map<String, String>> implicitColumns = Lists.newLinkedList();
    boolean selectAllQuery = AbstractRecordReader.isStarQuery(columns);
    final boolean hasPartitions = (partitions != null && partitions.size() > 0);
    final List<String[]> partitionColumns = Lists.newArrayList();
    final List<Integer> selectedPartitionColumns = Lists.newArrayList();
    List<SchemaPath> newColumns = columns;
    if (!selectAllQuery) {
        // Separate out the partition and non-partition columns. Non-partition columns are passed directly to the
        // ParquetRecordReader. Partition columns are passed to ScanBatch.
        newColumns = Lists.newArrayList();
        Pattern pattern = Pattern.compile(String.format("%s[0-9]+", partitionDesignator));
        for (SchemaPath column : columns) {
            Matcher m = pattern.matcher(column.getAsUnescapedPath());
            if (m.matches()) {
                selectedPartitionColumns.add(Integer.parseInt(column.getAsUnescapedPath().substring(partitionDesignator.length())));
            } else {
                newColumns.add(column);
            }
        }
    }
    final OperatorContext oContext = context.newOperatorContext(config);
    int currentPartitionIndex = 0;
    final List<RecordReader> readers = Lists.newArrayList();
    final HiveConf conf = config.getHiveConf();
    // TODO: In future we can get this cache from Metadata cached on filesystem.
    final Map<String, ParquetMetadata> footerCache = Maps.newHashMap();
    Map<String, String> mapWithMaxColumns = Maps.newLinkedHashMap();
    try {
        for (InputSplit split : splits) {
            final FileSplit fileSplit = (FileSplit) split;
            final Path finalPath = fileSplit.getPath();
            final JobConf cloneJob = new ProjectionPusher().pushProjectionsAndFilters(new JobConf(conf), finalPath.getParent());
            final FileSystem fs = finalPath.getFileSystem(cloneJob);
            ParquetMetadata parquetMetadata = footerCache.get(finalPath.toString());
            if (parquetMetadata == null) {
                parquetMetadata = ParquetFileReader.readFooter(cloneJob, finalPath);
                footerCache.put(finalPath.toString(), parquetMetadata);
            }
            final List<Integer> rowGroupNums = getRowGroupNumbersFromFileSplit(fileSplit, parquetMetadata);
            for (int rowGroupNum : rowGroupNums) {
                //DRILL-5009 : Skip the row group if the row count is zero
                if (parquetMetadata.getBlocks().get(rowGroupNum).getRowCount() == 0) {
                    continue;
                }
                // Drill has only ever written a single row group per file, only detect corruption
                // in the first row group
                ParquetReaderUtility.DateCorruptionStatus containsCorruptDates = ParquetReaderUtility.detectCorruptDates(parquetMetadata, config.getColumns(), true);
                if (logger.isDebugEnabled()) {
                    logger.debug(containsCorruptDates.toString());
                }
                readers.add(new ParquetRecordReader(context, Path.getPathWithoutSchemeAndAuthority(finalPath).toString(), rowGroupNum, fs, CodecFactory.createDirectCodecFactory(fs.getConf(), new ParquetDirectByteBufferAllocator(oContext.getAllocator()), 0), parquetMetadata, newColumns, containsCorruptDates));
                Map<String, String> implicitValues = Maps.newLinkedHashMap();
                if (hasPartitions) {
                    List<String> values = partitions.get(currentPartitionIndex).getValues();
                    for (int i = 0; i < values.size(); i++) {
                        if (selectAllQuery || selectedPartitionColumns.contains(i)) {
                            implicitValues.put(partitionDesignator + i, values.get(i));
                        }
                    }
                }
                implicitColumns.add(implicitValues);
                if (implicitValues.size() > mapWithMaxColumns.size()) {
                    mapWithMaxColumns = implicitValues;
                }
            }
            currentPartitionIndex++;
        }
    } catch (final IOException | RuntimeException e) {
        AutoCloseables.close(e, readers);
        throw new ExecutionSetupException("Failed to create RecordReaders. " + e.getMessage(), e);
    }
    // all readers should have the same number of implicit columns, add missing ones with value null
    mapWithMaxColumns = Maps.transformValues(mapWithMaxColumns, Functions.constant((String) null));
    for (Map<String, String> map : implicitColumns) {
        map.putAll(Maps.difference(map, mapWithMaxColumns).entriesOnlyOnRight());
    }
    // create an empty RecordReader to output the schema
    if (readers.size() == 0) {
        readers.add(new HiveDefaultReader(table, null, null, columns, context, conf, ImpersonationUtil.createProxyUgi(config.getUserName(), context.getQueryUserName())));
    }
    return new ScanBatch(config, context, oContext, readers.iterator(), implicitColumns);
}
Also used : ExecutionSetupException(org.apache.drill.common.exceptions.ExecutionSetupException) Matcher(java.util.regex.Matcher) ParquetMetadata(org.apache.parquet.hadoop.metadata.ParquetMetadata) ProjectionPusher(org.apache.hadoop.hive.ql.io.parquet.ProjectionPusher) ParquetRecordReader(org.apache.drill.exec.store.parquet.columnreaders.ParquetRecordReader) RecordReader(org.apache.drill.exec.store.RecordReader) AbstractRecordReader(org.apache.drill.exec.store.AbstractRecordReader) FileSplit(org.apache.hadoop.mapred.FileSplit) SchemaPath(org.apache.drill.common.expression.SchemaPath) OperatorContext(org.apache.drill.exec.ops.OperatorContext) FileSystem(org.apache.hadoop.fs.FileSystem) ScanBatch(org.apache.drill.exec.physical.impl.ScanBatch) HiveConf(org.apache.hadoop.hive.conf.HiveConf) InputSplit(org.apache.hadoop.mapred.InputSplit) JobConf(org.apache.hadoop.mapred.JobConf) Path(org.apache.hadoop.fs.Path) SchemaPath(org.apache.drill.common.expression.SchemaPath) Pattern(java.util.regex.Pattern) ParquetDirectByteBufferAllocator(org.apache.drill.exec.store.parquet.ParquetDirectByteBufferAllocator) IOException(java.io.IOException) ParquetReaderUtility(org.apache.drill.exec.store.parquet.ParquetReaderUtility) ParquetRecordReader(org.apache.drill.exec.store.parquet.columnreaders.ParquetRecordReader) Map(java.util.Map)

Example 4 with ExecutionSetupException

use of org.apache.drill.common.exceptions.ExecutionSetupException in project drill by apache.

the class ImplCreator method getExec.

/**
   * Create and return fragment RootExec for given FragmentRoot. RootExec has one or more RecordBatches as children
   * (which may contain child RecordBatches and so on).
   *
   * @param context
   *          FragmentContext.
   * @param root
   *          FragmentRoot.
   * @return RootExec of fragment.
   * @throws ExecutionSetupException
   */
public static RootExec getExec(FragmentContext context, FragmentRoot root) throws ExecutionSetupException {
    Preconditions.checkNotNull(root);
    Preconditions.checkNotNull(context);
    if (AssertionUtil.isAssertionsEnabled() || context.getOptionSet().getOption(ExecConstants.ENABLE_ITERATOR_VALIDATOR) || context.getConfig().getBoolean(ExecConstants.ENABLE_ITERATOR_VALIDATION)) {
        root = IteratorValidatorInjector.rewritePlanWithIteratorValidator(context, root);
    }
    final ImplCreator creator = new ImplCreator();
    Stopwatch watch = Stopwatch.createStarted();
    try {
        final RootExec rootExec = creator.getRootExec(root, context);
        // skip over this for SimpleRootExec (testing)
        if (rootExec instanceof BaseRootExec) {
            ((BaseRootExec) rootExec).setOperators(creator.getOperators());
        }
        logger.debug("Took {} ms to create RecordBatch tree", watch.elapsed(TimeUnit.MILLISECONDS));
        if (rootExec == null) {
            throw new ExecutionSetupException("The provided fragment did not have a root node that correctly created a RootExec value.");
        }
        return rootExec;
    } catch (Exception e) {
        AutoCloseables.close(e, creator.getOperators());
        context.fail(e);
    }
    return null;
}
Also used : ExecutionSetupException(org.apache.drill.common.exceptions.ExecutionSetupException) Stopwatch(com.google.common.base.Stopwatch) IOException(java.io.IOException) ExecutionSetupException(org.apache.drill.common.exceptions.ExecutionSetupException)

Example 5 with ExecutionSetupException

use of org.apache.drill.common.exceptions.ExecutionSetupException in project drill by apache.

the class MongoScanBatchCreator method getBatch.

@Override
public ScanBatch getBatch(FragmentContext context, MongoSubScan subScan, List<RecordBatch> children) throws ExecutionSetupException {
    Preconditions.checkArgument(children.isEmpty());
    List<RecordReader> readers = Lists.newArrayList();
    List<SchemaPath> columns = null;
    for (MongoSubScan.MongoSubScanSpec scanSpec : subScan.getChunkScanSpecList()) {
        try {
            if ((columns = subScan.getColumns()) == null) {
                columns = GroupScan.ALL_COLUMNS;
            }
            readers.add(new MongoRecordReader(scanSpec, columns, context, subScan.getMongoStoragePlugin()));
        } catch (Exception e) {
            logger.error("MongoRecordReader creation failed for subScan:  " + subScan + ".");
            logger.error(e.getMessage(), e);
            throw new ExecutionSetupException(e);
        }
    }
    logger.info("Number of record readers initialized : " + readers.size());
    return new ScanBatch(subScan, context, readers.iterator());
}
Also used : ExecutionSetupException(org.apache.drill.common.exceptions.ExecutionSetupException) SchemaPath(org.apache.drill.common.expression.SchemaPath) RecordReader(org.apache.drill.exec.store.RecordReader) ScanBatch(org.apache.drill.exec.physical.impl.ScanBatch) ExecutionSetupException(org.apache.drill.common.exceptions.ExecutionSetupException)

Aggregations

ExecutionSetupException (org.apache.drill.common.exceptions.ExecutionSetupException)94 IOException (java.io.IOException)43 ScanBatch (org.apache.drill.exec.physical.impl.ScanBatch)26 SchemaPath (org.apache.drill.common.expression.SchemaPath)25 RecordReader (org.apache.drill.exec.store.RecordReader)24 SchemaChangeException (org.apache.drill.exec.exception.SchemaChangeException)22 LinkedList (java.util.LinkedList)16 Map (java.util.Map)14 MaterializedField (org.apache.drill.exec.record.MaterializedField)13 ExecutionException (java.util.concurrent.ExecutionException)10 DrillRuntimeException (org.apache.drill.common.exceptions.DrillRuntimeException)10 OperatorContext (org.apache.drill.exec.ops.OperatorContext)8 UserException (org.apache.drill.common.exceptions.UserException)7 MajorType (org.apache.drill.common.types.TypeProtos.MajorType)7 JobConf (org.apache.hadoop.mapred.JobConf)7 HashMap (java.util.HashMap)6 List (java.util.List)6 OutOfMemoryException (org.apache.drill.exec.exception.OutOfMemoryException)6 VectorContainerWriter (org.apache.drill.exec.vector.complex.impl.VectorContainerWriter)6 Path (org.apache.hadoop.fs.Path)6