Examples with DatasetType org.apache.asterix.common.config.DatasetConfig.DatasetType used on opensource projects

Example 1 with DatasetType

use of org.apache.asterix.common.config.DatasetConfig.DatasetType in project asterixdb by apache.

the class DatasetTupleTranslator method createDatasetFromARecord.

protected Dataset createDatasetFromARecord(ARecord datasetRecord) throws HyracksDataException {
    String dataverseName = ((AString) datasetRecord.getValueByPos(MetadataRecordTypes.DATASET_ARECORD_DATAVERSENAME_FIELD_INDEX)).getStringValue();
    String datasetName = ((AString) datasetRecord.getValueByPos(MetadataRecordTypes.DATASET_ARECORD_DATASETNAME_FIELD_INDEX)).getStringValue();
    String typeName = ((AString) datasetRecord.getValueByPos(MetadataRecordTypes.DATASET_ARECORD_DATATYPENAME_FIELD_INDEX)).getStringValue();
    String typeDataverseName = ((AString) datasetRecord.getValueByPos(MetadataRecordTypes.DATASET_ARECORD_DATATYPEDATAVERSENAME_FIELD_INDEX)).getStringValue();
    DatasetType datasetType = DatasetType.valueOf(((AString) datasetRecord.getValueByPos(MetadataRecordTypes.DATASET_ARECORD_DATASETTYPE_FIELD_INDEX)).getStringValue());
    IDatasetDetails datasetDetails = null;
    int datasetId = ((AInt32) datasetRecord.getValueByPos(MetadataRecordTypes.DATASET_ARECORD_DATASETID_FIELD_INDEX)).getIntegerValue();
    int pendingOp = ((AInt32) datasetRecord.getValueByPos(MetadataRecordTypes.DATASET_ARECORD_PENDINGOP_FIELD_INDEX)).getIntegerValue();
    String nodeGroupName = ((AString) datasetRecord.getValueByPos(MetadataRecordTypes.DATASET_ARECORD_GROUPNAME_FIELD_INDEX)).getStringValue();
    String compactionPolicy = ((AString) datasetRecord.getValueByPos(MetadataRecordTypes.DATASET_ARECORD_COMPACTION_POLICY_FIELD_INDEX)).getStringValue();
    IACursor cursor = ((AOrderedList) datasetRecord.getValueByPos(MetadataRecordTypes.DATASET_ARECORD_COMPACTION_POLICY_PROPERTIES_FIELD_INDEX)).getCursor();
    Map<String, String> compactionPolicyProperties = new LinkedHashMap<>();
    String key;
    String value;
    while (cursor.next()) {
        ARecord field = (ARecord) cursor.get();
        key = ((AString) field.getValueByPos(MetadataRecordTypes.PROPERTIES_NAME_FIELD_INDEX)).getStringValue();
        value = ((AString) field.getValueByPos(MetadataRecordTypes.PROPERTIES_VALUE_FIELD_INDEX)).getStringValue();
        compactionPolicyProperties.put(key, value);
    }
    switch(datasetType) {
        case INTERNAL:
            {
                ARecord datasetDetailsRecord = (ARecord) datasetRecord.getValueByPos(MetadataRecordTypes.DATASET_ARECORD_INTERNALDETAILS_FIELD_INDEX);
                FileStructure fileStructure = FileStructure.valueOf(((AString) datasetDetailsRecord.getValueByPos(MetadataRecordTypes.INTERNAL_DETAILS_ARECORD_FILESTRUCTURE_FIELD_INDEX)).getStringValue());
                PartitioningStrategy partitioningStrategy = PartitioningStrategy.valueOf(((AString) datasetDetailsRecord.getValueByPos(MetadataRecordTypes.INTERNAL_DETAILS_ARECORD_PARTITIONSTRATEGY_FIELD_INDEX)).getStringValue());
                cursor = ((AOrderedList) datasetDetailsRecord.getValueByPos(MetadataRecordTypes.INTERNAL_DETAILS_ARECORD_PARTITIONKEY_FIELD_INDEX)).getCursor();
                List<List<String>> partitioningKey = new ArrayList<>();
                List<IAType> partitioningKeyType = new ArrayList<>();
                AOrderedList fieldNameList;
                while (cursor.next()) {
                    fieldNameList = (AOrderedList) cursor.get();
                    IACursor nestedFieldNameCursor = (fieldNameList.getCursor());
                    List<String> nestedFieldName = new ArrayList<>();
                    while (nestedFieldNameCursor.next()) {
                        nestedFieldName.add(((AString) nestedFieldNameCursor.get()).getStringValue());
                    }
                    partitioningKey.add(nestedFieldName);
                    partitioningKeyType.add(BuiltinType.ASTRING);
                }
                boolean autogenerated = ((ABoolean) datasetDetailsRecord.getValueByPos(MetadataRecordTypes.INTERNAL_DETAILS_ARECORD_AUTOGENERATED_FIELD_INDEX)).getBoolean();
                // Check if there is a filter field.
                List<String> filterField = null;
                int filterFieldPos = datasetDetailsRecord.getType().getFieldIndex(InternalDatasetDetails.FILTER_FIELD_NAME);
                if (filterFieldPos >= 0) {
                    filterField = new ArrayList<>();
                    cursor = ((AOrderedList) datasetDetailsRecord.getValueByPos(filterFieldPos)).getCursor();
                    while (cursor.next()) {
                        filterField.add(((AString) cursor.get()).getStringValue());
                    }
                }
                // Read a field-source-indicator field.
                List<Integer> keyFieldSourceIndicator = new ArrayList<>();
                int keyFieldSourceIndicatorIndex = datasetDetailsRecord.getType().getFieldIndex(InternalDatasetDetails.KEY_FILD_SOURCE_INDICATOR_FIELD_NAME);
                if (keyFieldSourceIndicatorIndex >= 0) {
                    cursor = ((AOrderedList) datasetDetailsRecord.getValueByPos(keyFieldSourceIndicatorIndex)).getCursor();
                    while (cursor.next()) {
                        keyFieldSourceIndicator.add((int) ((AInt8) cursor.get()).getByteValue());
                    }
                } else {
                    for (int index = 0; index < partitioningKey.size(); ++index) {
                        keyFieldSourceIndicator.add(0);
                    }
                }
                // Temporary dataset only lives in the compiler therefore the temp field is false.
                //  DatasetTupleTranslator always read from the metadata node, so the temp flag should be always false.
                datasetDetails = new InternalDatasetDetails(fileStructure, partitioningStrategy, partitioningKey, partitioningKey, keyFieldSourceIndicator, partitioningKeyType, autogenerated, filterField, false);
                break;
            }
        case EXTERNAL:
            ARecord datasetDetailsRecord = (ARecord) datasetRecord.getValueByPos(MetadataRecordTypes.DATASET_ARECORD_EXTERNALDETAILS_FIELD_INDEX);
            String adapter = ((AString) datasetDetailsRecord.getValueByPos(MetadataRecordTypes.EXTERNAL_DETAILS_ARECORD_DATASOURCE_ADAPTER_FIELD_INDEX)).getStringValue();
            cursor = ((AOrderedList) datasetDetailsRecord.getValueByPos(MetadataRecordTypes.EXTERNAL_DETAILS_ARECORD_PROPERTIES_FIELD_INDEX)).getCursor();
            Map<String, String> properties = new HashMap<>();
            while (cursor.next()) {
                ARecord field = (ARecord) cursor.get();
                key = ((AString) field.getValueByPos(MetadataRecordTypes.PROPERTIES_NAME_FIELD_INDEX)).getStringValue();
                value = ((AString) field.getValueByPos(MetadataRecordTypes.PROPERTIES_VALUE_FIELD_INDEX)).getStringValue();
                properties.put(key, value);
            }
            // Timestamp
            Date timestamp = new Date((((ADateTime) datasetDetailsRecord.getValueByPos(MetadataRecordTypes.EXTERNAL_DETAILS_ARECORD_LAST_REFRESH_TIME_FIELD_INDEX))).getChrononTime());
            // State
            TransactionState state = TransactionState.values()[((AInt32) datasetDetailsRecord.getValueByPos(MetadataRecordTypes.EXTERNAL_DETAILS_ARECORD_TRANSACTION_STATE_FIELD_INDEX)).getIntegerValue()];
            datasetDetails = new ExternalDatasetDetails(adapter, properties, timestamp, state);
    }
    Map<String, String> hints = getDatasetHints(datasetRecord);
    String metaTypeDataverseName = null;
    String metaTypeName = null;
    int metaTypeDataverseNameIndex = datasetRecord.getType().getFieldIndex(MetadataRecordTypes.FIELD_NAME_METADATA_DATAVERSE);
    if (metaTypeDataverseNameIndex >= 0) {
        metaTypeDataverseName = ((AString) datasetRecord.getValueByPos(metaTypeDataverseNameIndex)).getStringValue();
        int metaTypeNameIndex = datasetRecord.getType().getFieldIndex(MetadataRecordTypes.FIELD_NAME_METATYPE_NAME);
        metaTypeName = ((AString) datasetRecord.getValueByPos(metaTypeNameIndex)).getStringValue();
    }
    // Read the rebalance count if there is one.
    int rebalanceCountIndex = datasetRecord.getType().getFieldIndex(REBALANCE_ID_FIELD_NAME);
    long rebalanceCount = rebalanceCountIndex >= 0 ? ((AInt64) datasetRecord.getValueByPos(rebalanceCountIndex)).getLongValue() : 0;
    return new Dataset(dataverseName, datasetName, typeDataverseName, typeName, metaTypeDataverseName, metaTypeName, nodeGroupName, compactionPolicy, compactionPolicyProperties, datasetDetails, hints, datasetType, datasetId, pendingOp, rebalanceCount);
}

Example 2 with DatasetType

use of org.apache.asterix.common.config.DatasetConfig.DatasetType in project asterixdb by apache.

the class QueryTranslator method handleDataverseDropStatement.

protected void handleDataverseDropStatement(MetadataProvider metadataProvider, Statement stmt, IHyracksClientConnection hcc) throws Exception {
    DataverseDropStatement stmtDelete = (DataverseDropStatement) stmt;
    String dataverseName = stmtDelete.getDataverseName().getValue();
    if (dataverseName.equals(MetadataBuiltinEntities.DEFAULT_DATAVERSE_NAME)) {
        throw new HyracksDataException(MetadataBuiltinEntities.DEFAULT_DATAVERSE_NAME + " dataverse can't be dropped");
    }
    ProgressState progress = ProgressState.NO_PROGRESS;
    MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
    boolean bActiveTxn = true;
    metadataProvider.setMetadataTxnContext(mdTxnCtx);
    List<JobSpecification> jobsToExecute = new ArrayList<>();
    MetadataLockManager.INSTANCE.acquireDataverseWriteLock(metadataProvider.getLocks(), dataverseName);
    try {
        Dataverse dv = MetadataManager.INSTANCE.getDataverse(mdTxnCtx, dataverseName);
        if (dv == null) {
            if (stmtDelete.getIfExists()) {
                MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
                return;
            } else {
                throw new AlgebricksException("There is no dataverse with this name " + dataverseName + ".");
            }
        }
        // # disconnect all feeds from any datasets in the dataverse.
        ActiveLifecycleListener activeListener = (ActiveLifecycleListener) appCtx.getActiveLifecycleListener();
        ActiveJobNotificationHandler activeEventHandler = activeListener.getNotificationHandler();
        IActiveEntityEventsListener[] activeListeners = activeEventHandler.getEventListeners();
        Identifier dvId = new Identifier(dataverseName);
        MetadataProvider tempMdProvider = new MetadataProvider(appCtx, metadataProvider.getDefaultDataverse(), metadataProvider.getStorageComponentProvider());
        tempMdProvider.setConfig(metadataProvider.getConfig());
        for (IActiveEntityEventsListener listener : activeListeners) {
            EntityId activeEntityId = listener.getEntityId();
            if (activeEntityId.getExtensionName().equals(Feed.EXTENSION_NAME) && activeEntityId.getDataverse().equals(dataverseName)) {
                tempMdProvider.getLocks().reset();
                stopFeedBeforeDelete(new Pair<>(dvId, new Identifier(activeEntityId.getEntityName())), tempMdProvider);
                // prepare job to remove feed log storage
                jobsToExecute.add(FeedOperations.buildRemoveFeedStorageJob(metadataProvider, MetadataManager.INSTANCE.getFeed(mdTxnCtx, dataverseName, activeEntityId.getEntityName())));
            }
        }
        // #. prepare jobs which will drop corresponding datasets with indexes.
        List<Dataset> datasets = MetadataManager.INSTANCE.getDataverseDatasets(mdTxnCtx, dataverseName);
        for (Dataset dataset : datasets) {
            String datasetName = dataset.getDatasetName();
            DatasetType dsType = dataset.getDatasetType();
            if (dsType == DatasetType.INTERNAL) {
                List<Index> indexes = MetadataManager.INSTANCE.getDatasetIndexes(mdTxnCtx, dataverseName, datasetName);
                for (Index index : indexes) {
                    jobsToExecute.add(IndexUtil.buildDropIndexJobSpec(index, metadataProvider, dataset));
                }
            } else {
                // External dataset
                List<Index> indexes = MetadataManager.INSTANCE.getDatasetIndexes(mdTxnCtx, dataverseName, datasetName);
                for (int k = 0; k < indexes.size(); k++) {
                    if (ExternalIndexingOperations.isFileIndex(indexes.get(k))) {
                        jobsToExecute.add(ExternalIndexingOperations.buildDropFilesIndexJobSpec(metadataProvider, dataset));
                    } else {
                        jobsToExecute.add(IndexUtil.buildDropIndexJobSpec(indexes.get(k), metadataProvider, dataset));
                    }
                }
                ExternalDatasetsRegistry.INSTANCE.removeDatasetInfo(dataset);
            }
        }
        jobsToExecute.add(DataverseUtil.dropDataverseJobSpec(dv, metadataProvider));
        // #. mark PendingDropOp on the dataverse record by
        // first, deleting the dataverse record from the DATAVERSE_DATASET
        // second, inserting the dataverse record with the PendingDropOp value into the
        // DATAVERSE_DATASET
        MetadataManager.INSTANCE.dropDataverse(mdTxnCtx, dataverseName);
        MetadataManager.INSTANCE.addDataverse(mdTxnCtx, new Dataverse(dataverseName, dv.getDataFormat(), MetadataUtil.PENDING_DROP_OP));
        MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
        bActiveTxn = false;
        progress = ProgressState.ADDED_PENDINGOP_RECORD_TO_METADATA;
        for (JobSpecification jobSpec : jobsToExecute) {
            JobUtils.runJob(hcc, jobSpec, true);
        }
        mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
        bActiveTxn = true;
        metadataProvider.setMetadataTxnContext(mdTxnCtx);
        // #. finally, delete the dataverse.
        MetadataManager.INSTANCE.dropDataverse(mdTxnCtx, dataverseName);
        // Drops all node groups that no longer needed
        for (Dataset dataset : datasets) {
            String nodeGroup = dataset.getNodeGroupName();
            MetadataLockManager.INSTANCE.acquireNodeGroupWriteLock(metadataProvider.getLocks(), nodeGroup);
            if (MetadataManager.INSTANCE.getNodegroup(mdTxnCtx, nodeGroup) != null) {
                MetadataManager.INSTANCE.dropNodegroup(mdTxnCtx, nodeGroup, true);
            }
        }
        if (activeDataverse != null && activeDataverse.getDataverseName() == dataverseName) {
            activeDataverse = null;
        }
        MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
    } catch (Exception e) {
        if (bActiveTxn) {
            abort(e, e, mdTxnCtx);
        }
        if (progress == ProgressState.ADDED_PENDINGOP_RECORD_TO_METADATA) {
            if (activeDataverse != null && activeDataverse.getDataverseName() == dataverseName) {
                activeDataverse = null;
            }
            // remove the all indexes in NC
            try {
                for (JobSpecification jobSpec : jobsToExecute) {
                    JobUtils.runJob(hcc, jobSpec, true);
                }
            } catch (Exception e2) {
                // do no throw exception since still the metadata needs to be compensated.
                e.addSuppressed(e2);
            }
            // remove the record from the metadata.
            mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
            try {
                MetadataManager.INSTANCE.dropDataverse(mdTxnCtx, dataverseName);
                MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
            } catch (Exception e2) {
                e.addSuppressed(e2);
                abort(e, e2, mdTxnCtx);
                throw new IllegalStateException("System is inconsistent state: pending dataverse(" + dataverseName + ") couldn't be removed from the metadata", e);
            }
        }
        throw e;
    } finally {
        metadataProvider.getLocks().unlock();
        ExternalDatasetsRegistry.INSTANCE.releaseAcquiredLocks(metadataProvider);
    }
}

Example 3 with DatasetType

use of org.apache.asterix.common.config.DatasetConfig.DatasetType in project asterixdb by apache.

the class QueryTranslator method handleCreateDatasetStatement.

public void handleCreateDatasetStatement(MetadataProvider metadataProvider, Statement stmt, IHyracksClientConnection hcc) throws CompilationException, Exception {
    MutableObject<ProgressState> progress = new MutableObject<>(ProgressState.NO_PROGRESS);
    DatasetDecl dd = (DatasetDecl) stmt;
    String dataverseName = getActiveDataverse(dd.getDataverse());
    String datasetName = dd.getName().getValue();
    DatasetType dsType = dd.getDatasetType();
    String itemTypeDataverseName = getActiveDataverse(dd.getItemTypeDataverse());
    String itemTypeName = dd.getItemTypeName().getValue();
    String metaItemTypeDataverseName = getActiveDataverse(dd.getMetaItemTypeDataverse());
    String metaItemTypeName = dd.getMetaItemTypeName().getValue();
    Identifier ngNameId = dd.getNodegroupName();
    String nodegroupName = ngNameId == null ? null : ngNameId.getValue();
    String compactionPolicy = dd.getCompactionPolicy();
    Map<String, String> compactionPolicyProperties = dd.getCompactionPolicyProperties();
    boolean defaultCompactionPolicy = compactionPolicy == null;
    boolean temp = dd.getDatasetDetailsDecl().isTemp();
    MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
    boolean bActiveTxn = true;
    metadataProvider.setMetadataTxnContext(mdTxnCtx);
    MetadataLockManager.INSTANCE.createDatasetBegin(metadataProvider.getLocks(), dataverseName, itemTypeDataverseName, itemTypeDataverseName + "." + itemTypeName, metaItemTypeDataverseName, metaItemTypeDataverseName + "." + metaItemTypeName, nodegroupName, compactionPolicy, dataverseName + "." + datasetName, defaultCompactionPolicy);
    Dataset dataset = null;
    try {
        IDatasetDetails datasetDetails = null;
        Dataset ds = metadataProvider.findDataset(dataverseName, datasetName);
        if (ds != null) {
            if (dd.getIfNotExists()) {
                MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
                return;
            } else {
                throw new AlgebricksException("A dataset with this name " + datasetName + " already exists.");
            }
        }
        Datatype dt = MetadataManager.INSTANCE.getDatatype(metadataProvider.getMetadataTxnContext(), itemTypeDataverseName, itemTypeName);
        if (dt == null) {
            throw new AlgebricksException(": type " + itemTypeName + " could not be found.");
        }
        String ngName = ngNameId != null ? ngNameId.getValue() : configureNodegroupForDataset(appCtx, dd.getHints(), dataverseName, datasetName, metadataProvider);
        if (compactionPolicy == null) {
            compactionPolicy = GlobalConfig.DEFAULT_COMPACTION_POLICY_NAME;
            compactionPolicyProperties = GlobalConfig.DEFAULT_COMPACTION_POLICY_PROPERTIES;
        } else {
            validateCompactionPolicy(compactionPolicy, compactionPolicyProperties, mdTxnCtx, false);
        }
        switch(dd.getDatasetType()) {
            case INTERNAL:
                IAType itemType = dt.getDatatype();
                if (itemType.getTypeTag() != ATypeTag.OBJECT) {
                    throw new AlgebricksException("Dataset type has to be a record type.");
                }
                IAType metaItemType = null;
                if (metaItemTypeDataverseName != null && metaItemTypeName != null) {
                    metaItemType = metadataProvider.findType(metaItemTypeDataverseName, metaItemTypeName);
                }
                if (metaItemType != null && metaItemType.getTypeTag() != ATypeTag.OBJECT) {
                    throw new AlgebricksException("Dataset meta type has to be a record type.");
                }
                ARecordType metaRecType = (ARecordType) metaItemType;
                List<List<String>> partitioningExprs = ((InternalDetailsDecl) dd.getDatasetDetailsDecl()).getPartitioningExprs();
                List<Integer> keySourceIndicators = ((InternalDetailsDecl) dd.getDatasetDetailsDecl()).getKeySourceIndicators();
                boolean autogenerated = ((InternalDetailsDecl) dd.getDatasetDetailsDecl()).isAutogenerated();
                ARecordType aRecordType = (ARecordType) itemType;
                List<IAType> partitioningTypes = ValidateUtil.validatePartitioningExpressions(aRecordType, metaRecType, partitioningExprs, keySourceIndicators, autogenerated);
                List<String> filterField = ((InternalDetailsDecl) dd.getDatasetDetailsDecl()).getFilterField();
                if (filterField != null) {
                    ValidateUtil.validateFilterField(aRecordType, filterField);
                }
                if (compactionPolicy == null && filterField != null) {
                    // If the dataset has a filter and the user didn't specify a merge
                    // policy, then we will pick the
                    // correlated-prefix as the default merge policy.
                    compactionPolicy = GlobalConfig.DEFAULT_FILTERED_DATASET_COMPACTION_POLICY_NAME;
                    compactionPolicyProperties = GlobalConfig.DEFAULT_COMPACTION_POLICY_PROPERTIES;
                }
                datasetDetails = new InternalDatasetDetails(InternalDatasetDetails.FileStructure.BTREE, InternalDatasetDetails.PartitioningStrategy.HASH, partitioningExprs, partitioningExprs, keySourceIndicators, partitioningTypes, autogenerated, filterField, temp);
                break;
            case EXTERNAL:
                String adapter = ((ExternalDetailsDecl) dd.getDatasetDetailsDecl()).getAdapter();
                Map<String, String> properties = ((ExternalDetailsDecl) dd.getDatasetDetailsDecl()).getProperties();
                datasetDetails = new ExternalDatasetDetails(adapter, properties, new Date(), TransactionState.COMMIT);
                break;
            default:
                throw new CompilationException("Unknown datatype " + dd.getDatasetType());
        }
        // #. initialize DatasetIdFactory if it is not initialized.
        if (!DatasetIdFactory.isInitialized()) {
            DatasetIdFactory.initialize(MetadataManager.INSTANCE.getMostRecentDatasetId());
        }
        // #. add a new dataset with PendingAddOp
        dataset = new Dataset(dataverseName, datasetName, itemTypeDataverseName, itemTypeName, metaItemTypeDataverseName, metaItemTypeName, ngName, compactionPolicy, compactionPolicyProperties, datasetDetails, dd.getHints(), dsType, DatasetIdFactory.generateDatasetId(), MetadataUtil.PENDING_ADD_OP);
        MetadataManager.INSTANCE.addDataset(metadataProvider.getMetadataTxnContext(), dataset);
        if (dd.getDatasetType() == DatasetType.INTERNAL) {
            JobSpecification jobSpec = DatasetUtil.createDatasetJobSpec(dataset, metadataProvider);
            // #. make metadataTxn commit before calling runJob.
            MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
            bActiveTxn = false;
            progress.setValue(ProgressState.ADDED_PENDINGOP_RECORD_TO_METADATA);
            // #. runJob
            JobUtils.runJob(hcc, jobSpec, true);
            // #. begin new metadataTxn
            mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
            bActiveTxn = true;
            metadataProvider.setMetadataTxnContext(mdTxnCtx);
        }
        // #. add a new dataset with PendingNoOp after deleting the dataset with PendingAddOp
        MetadataManager.INSTANCE.dropDataset(metadataProvider.getMetadataTxnContext(), dataverseName, datasetName);
        dataset.setPendingOp(MetadataUtil.PENDING_NO_OP);
        MetadataManager.INSTANCE.addDataset(metadataProvider.getMetadataTxnContext(), dataset);
        MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
    } catch (Exception e) {
        if (bActiveTxn) {
            abort(e, e, mdTxnCtx);
        }
        if (progress.getValue() == ProgressState.ADDED_PENDINGOP_RECORD_TO_METADATA) {
            // #. execute compensation operations
            // remove the index in NC
            // [Notice]
            // As long as we updated(and committed) metadata, we should remove any effect of the job
            // because an exception occurs during runJob.
            mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
            bActiveTxn = true;
            metadataProvider.setMetadataTxnContext(mdTxnCtx);
            try {
                JobSpecification jobSpec = DatasetUtil.dropDatasetJobSpec(dataset, metadataProvider);
                MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
                bActiveTxn = false;
                JobUtils.runJob(hcc, jobSpec, true);
            } catch (Exception e2) {
                e.addSuppressed(e2);
                if (bActiveTxn) {
                    abort(e, e2, mdTxnCtx);
                }
            }
            // remove the record from the metadata.
            mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
            metadataProvider.setMetadataTxnContext(mdTxnCtx);
            try {
                MetadataManager.INSTANCE.dropDataset(metadataProvider.getMetadataTxnContext(), dataverseName, datasetName);
                MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
            } catch (Exception e2) {
                e.addSuppressed(e2);
                abort(e, e2, mdTxnCtx);
                throw new IllegalStateException("System is inconsistent state: pending dataset(" + dataverseName + "." + datasetName + ") couldn't be removed from the metadata", e);
            }
        }
        throw e;
    } finally {
        metadataProvider.getLocks().unlock();
    }
}