Examples with ProgressState org.apache.asterix.common.utils.JobUtils.ProgressState used on opensource projects

Example 1 with ProgressState

use of org.apache.asterix.common.utils.JobUtils.ProgressState in project asterixdb by apache.

the class QueryTranslator method handleIndexDropStatement.

protected void handleIndexDropStatement(MetadataProvider metadataProvider, Statement stmt, IHyracksClientConnection hcc) throws Exception {
    IndexDropStatement stmtIndexDrop = (IndexDropStatement) stmt;
    String datasetName = stmtIndexDrop.getDatasetName().getValue();
    String dataverseName = getActiveDataverse(stmtIndexDrop.getDataverseName());
    ProgressState progress = ProgressState.NO_PROGRESS;
    MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
    boolean bActiveTxn = true;
    metadataProvider.setMetadataTxnContext(mdTxnCtx);
    List<JobSpecification> jobsToExecute = new ArrayList<>();
    MetadataLockManager.INSTANCE.dropIndexBegin(metadataProvider.getLocks(), dataverseName, dataverseName + "." + datasetName);
    String indexName = null;
    // For external index
    boolean dropFilesIndex = false;
    try {
        Dataset ds = metadataProvider.findDataset(dataverseName, datasetName);
        if (ds == null) {
            throw new AlgebricksException("There is no dataset with this name " + datasetName + " in dataverse " + dataverseName);
        }
        ActiveLifecycleListener activeListener = (ActiveLifecycleListener) appCtx.getActiveLifecycleListener();
        ActiveJobNotificationHandler activeEventHandler = activeListener.getNotificationHandler();
        IActiveEntityEventsListener[] listeners = activeEventHandler.getEventListeners();
        StringBuilder builder = null;
        for (IActiveEntityEventsListener listener : listeners) {
            if (listener.isEntityUsingDataset(ds)) {
                if (builder == null) {
                    builder = new StringBuilder();
                }
                builder.append(new FeedConnectionId(listener.getEntityId(), datasetName) + "\n");
            }
        }
        if (builder != null) {
            throw new CompilationException("Dataset" + datasetName + " is currently being fed into by the following active entities: " + builder.toString());
        }
        if (ds.getDatasetType() == DatasetType.INTERNAL) {
            indexName = stmtIndexDrop.getIndexName().getValue();
            Index index = MetadataManager.INSTANCE.getIndex(mdTxnCtx, dataverseName, datasetName, indexName);
            if (index == null) {
                if (stmtIndexDrop.getIfExists()) {
                    MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
                    return;
                } else {
                    throw new AlgebricksException("There is no index with this name " + indexName + ".");
                }
            }
            // #. prepare a job to drop the index in NC.
            jobsToExecute.add(IndexUtil.buildDropIndexJobSpec(index, metadataProvider, ds));
            // #. mark PendingDropOp on the existing index
            MetadataManager.INSTANCE.dropIndex(mdTxnCtx, dataverseName, datasetName, indexName);
            MetadataManager.INSTANCE.addIndex(mdTxnCtx, new Index(dataverseName, datasetName, indexName, index.getIndexType(), index.getKeyFieldNames(), index.getKeyFieldSourceIndicators(), index.getKeyFieldTypes(), index.isEnforcingKeyFileds(), index.isPrimaryIndex(), MetadataUtil.PENDING_DROP_OP));
            // #. commit the existing transaction before calling runJob.
            MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
            bActiveTxn = false;
            progress = ProgressState.ADDED_PENDINGOP_RECORD_TO_METADATA;
            for (JobSpecification jobSpec : jobsToExecute) {
                JobUtils.runJob(hcc, jobSpec, true);
            }
            // #. begin a new transaction
            mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
            bActiveTxn = true;
            metadataProvider.setMetadataTxnContext(mdTxnCtx);
            // #. finally, delete the existing index
            MetadataManager.INSTANCE.dropIndex(mdTxnCtx, dataverseName, datasetName, indexName);
        } else {
            // External dataset
            indexName = stmtIndexDrop.getIndexName().getValue();
            Index index = MetadataManager.INSTANCE.getIndex(mdTxnCtx, dataverseName, datasetName, indexName);
            if (index == null) {
                if (stmtIndexDrop.getIfExists()) {
                    MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
                    return;
                } else {
                    throw new AlgebricksException("There is no index with this name " + indexName + ".");
                }
            } else if (ExternalIndexingOperations.isFileIndex(index)) {
                throw new AlgebricksException("Dropping a dataset's files index is not allowed.");
            }
            // #. prepare a job to drop the index in NC.
            jobsToExecute.add(IndexUtil.buildDropIndexJobSpec(index, metadataProvider, ds));
            List<Index> datasetIndexes = MetadataManager.INSTANCE.getDatasetIndexes(mdTxnCtx, dataverseName, datasetName);
            if (datasetIndexes.size() == 2) {
                dropFilesIndex = true;
                // only one index + the files index, we need to delete both of the indexes
                for (Index externalIndex : datasetIndexes) {
                    if (ExternalIndexingOperations.isFileIndex(externalIndex)) {
                        jobsToExecute.add(ExternalIndexingOperations.buildDropFilesIndexJobSpec(metadataProvider, ds));
                        // #. mark PendingDropOp on the existing files index
                        MetadataManager.INSTANCE.dropIndex(mdTxnCtx, dataverseName, datasetName, externalIndex.getIndexName());
                        MetadataManager.INSTANCE.addIndex(mdTxnCtx, new Index(dataverseName, datasetName, externalIndex.getIndexName(), externalIndex.getIndexType(), externalIndex.getKeyFieldNames(), externalIndex.getKeyFieldSourceIndicators(), index.getKeyFieldTypes(), index.isEnforcingKeyFileds(), externalIndex.isPrimaryIndex(), MetadataUtil.PENDING_DROP_OP));
                    }
                }
            }
            // #. mark PendingDropOp on the existing index
            MetadataManager.INSTANCE.dropIndex(mdTxnCtx, dataverseName, datasetName, indexName);
            MetadataManager.INSTANCE.addIndex(mdTxnCtx, new Index(dataverseName, datasetName, indexName, index.getIndexType(), index.getKeyFieldNames(), index.getKeyFieldSourceIndicators(), index.getKeyFieldTypes(), index.isEnforcingKeyFileds(), index.isPrimaryIndex(), MetadataUtil.PENDING_DROP_OP));
            // #. commit the existing transaction before calling runJob.
            MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
            bActiveTxn = false;
            progress = ProgressState.ADDED_PENDINGOP_RECORD_TO_METADATA;
            for (JobSpecification jobSpec : jobsToExecute) {
                JobUtils.runJob(hcc, jobSpec, true);
            }
            // #. begin a new transaction
            mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
            bActiveTxn = true;
            metadataProvider.setMetadataTxnContext(mdTxnCtx);
            // #. finally, delete the existing index
            MetadataManager.INSTANCE.dropIndex(mdTxnCtx, dataverseName, datasetName, indexName);
            if (dropFilesIndex) {
                // delete the files index too
                MetadataManager.INSTANCE.dropIndex(mdTxnCtx, dataverseName, datasetName, IndexingConstants.getFilesIndexName(datasetName));
                MetadataManager.INSTANCE.dropDatasetExternalFiles(mdTxnCtx, ds);
                ExternalDatasetsRegistry.INSTANCE.removeDatasetInfo(ds);
            }
        }
        MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
    } catch (Exception e) {
        if (bActiveTxn) {
            abort(e, e, mdTxnCtx);
        }
        if (progress == ProgressState.ADDED_PENDINGOP_RECORD_TO_METADATA) {
            // 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();
            metadataProvider.setMetadataTxnContext(mdTxnCtx);
            try {
                MetadataManager.INSTANCE.dropIndex(metadataProvider.getMetadataTxnContext(), dataverseName, datasetName, indexName);
                if (dropFilesIndex) {
                    MetadataManager.INSTANCE.dropIndex(metadataProvider.getMetadataTxnContext(), dataverseName, datasetName, IndexingConstants.getFilesIndexName(datasetName));
                }
                MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
            } catch (Exception e2) {
                e.addSuppressed(e2);
                abort(e, e2, mdTxnCtx);
                throw new IllegalStateException("System is inconsistent state: pending index(" + dataverseName + "." + datasetName + "." + indexName + ") couldn't be removed from the metadata", e);
            }
        }
        throw e;
    } finally {
        metadataProvider.getLocks().unlock();
        ExternalDatasetsRegistry.INSTANCE.releaseAcquiredLocks(metadataProvider);
    }
}

Example 2 with ProgressState

use of org.apache.asterix.common.utils.JobUtils.ProgressState in project asterixdb by apache.

the class QueryTranslator method doDropDataset.

public static void doDropDataset(String dataverseName, String datasetName, MetadataProvider metadataProvider, boolean ifExists, IHyracksClientConnection hcc, boolean dropCorrespondingNodeGroup) throws Exception {
    MutableObject<ProgressState> progress = new MutableObject<>(ProgressState.NO_PROGRESS);
    MutableObject<MetadataTransactionContext> mdTxnCtx = new MutableObject<>(MetadataManager.INSTANCE.beginTransaction());
    MutableBoolean bActiveTxn = new MutableBoolean(true);
    metadataProvider.setMetadataTxnContext(mdTxnCtx.getValue());
    List<JobSpecification> jobsToExecute = new ArrayList<>();
    try {
        Dataset ds = metadataProvider.findDataset(dataverseName, datasetName);
        if (ds == null) {
            if (ifExists) {
                MetadataManager.INSTANCE.commitTransaction(mdTxnCtx.getValue());
                return;
            } else {
                throw new AlgebricksException("There is no dataset with this name " + datasetName + " in dataverse " + dataverseName + ".");
            }
        }
        ds.drop(metadataProvider, mdTxnCtx, jobsToExecute, bActiveTxn, progress, hcc, dropCorrespondingNodeGroup);
        MetadataManager.INSTANCE.commitTransaction(mdTxnCtx.getValue());
    } catch (Exception e) {
        if (bActiveTxn.booleanValue()) {
            abort(e, e, mdTxnCtx.getValue());
        }
        if (progress.getValue() == ProgressState.ADDED_PENDINGOP_RECORD_TO_METADATA) {
            // 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.setValue(MetadataManager.INSTANCE.beginTransaction());
            metadataProvider.setMetadataTxnContext(mdTxnCtx.getValue());
            try {
                MetadataManager.INSTANCE.dropDataset(metadataProvider.getMetadataTxnContext(), dataverseName, datasetName);
                MetadataManager.INSTANCE.commitTransaction(mdTxnCtx.getValue());
            } catch (Exception e2) {
                e.addSuppressed(e2);
                abort(e, e2, mdTxnCtx.getValue());
                throw new IllegalStateException("System is inconsistent state: pending dataset(" + dataverseName + "." + datasetName + ") couldn't be removed from the metadata", e);
            }
        }
        throw e;
    } finally {
        ExternalDatasetsRegistry.INSTANCE.releaseAcquiredLocks(metadataProvider);
    }
}

Example 3 with ProgressState

use of org.apache.asterix.common.utils.JobUtils.ProgressState in project asterixdb by apache.

the class QueryTranslator method handleCreateIndexStatement.

protected void handleCreateIndexStatement(MetadataProvider metadataProvider, Statement stmt, IHyracksClientConnection hcc) throws Exception {
    ProgressState progress = ProgressState.NO_PROGRESS;
    CreateIndexStatement stmtCreateIndex = (CreateIndexStatement) stmt;
    String dataverseName = getActiveDataverse(stmtCreateIndex.getDataverseName());
    String datasetName = stmtCreateIndex.getDatasetName().getValue();
    List<Integer> keySourceIndicators = stmtCreateIndex.getFieldSourceIndicators();
    MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
    boolean bActiveTxn = true;
    metadataProvider.setMetadataTxnContext(mdTxnCtx);
    MetadataLockManager.INSTANCE.createIndexBegin(metadataProvider.getLocks(), dataverseName, dataverseName + "." + datasetName);
    String indexName = null;
    JobSpecification spec = null;
    Dataset ds = null;
    // For external datasets
    List<ExternalFile> externalFilesSnapshot = null;
    boolean firstExternalDatasetIndex = false;
    boolean filesIndexReplicated = false;
    Index filesIndex = null;
    boolean datasetLocked = false;
    Index index = null;
    try {
        ds = metadataProvider.findDataset(dataverseName, datasetName);
        if (ds == null) {
            throw new AlgebricksException("There is no dataset with this name " + datasetName + " in dataverse " + dataverseName);
        }
        indexName = stmtCreateIndex.getIndexName().getValue();
        index = MetadataManager.INSTANCE.getIndex(metadataProvider.getMetadataTxnContext(), dataverseName, datasetName, indexName);
        Datatype dt = MetadataManager.INSTANCE.getDatatype(metadataProvider.getMetadataTxnContext(), ds.getItemTypeDataverseName(), ds.getItemTypeName());
        ARecordType aRecordType = (ARecordType) dt.getDatatype();
        ARecordType metaRecordType = null;
        if (ds.hasMetaPart()) {
            Datatype metaDt = MetadataManager.INSTANCE.getDatatype(metadataProvider.getMetadataTxnContext(), ds.getMetaItemTypeDataverseName(), ds.getMetaItemTypeName());
            metaRecordType = (ARecordType) metaDt.getDatatype();
        }
        List<List<String>> indexFields = new ArrayList<>();
        List<IAType> indexFieldTypes = new ArrayList<>();
        int keyIndex = 0;
        for (Pair<List<String>, TypeExpression> fieldExpr : stmtCreateIndex.getFieldExprs()) {
            IAType fieldType = null;
            ARecordType subType = KeyFieldTypeUtil.chooseSource(keySourceIndicators, keyIndex, aRecordType, metaRecordType);
            boolean isOpen = subType.isOpen();
            int i = 0;
            if (fieldExpr.first.size() > 1 && !isOpen) {
                while (i < fieldExpr.first.size() - 1 && !isOpen) {
                    subType = (ARecordType) subType.getFieldType(fieldExpr.first.get(i));
                    i++;
                    isOpen = subType.isOpen();
                }
            }
            if (fieldExpr.second == null) {
                fieldType = subType.getSubFieldType(fieldExpr.first.subList(i, fieldExpr.first.size()));
            } else {
                if (!stmtCreateIndex.isEnforced()) {
                    throw new AlgebricksException("Cannot create typed index on \"" + fieldExpr.first + "\" field without enforcing it's type");
                }
                if (!isOpen) {
                    throw new AlgebricksException("Typed index on \"" + fieldExpr.first + "\" field could be created only for open datatype");
                }
                if (stmtCreateIndex.hasMetaField()) {
                    throw new AlgebricksException("Typed open index can only be created on the record part");
                }
                Map<TypeSignature, IAType> typeMap = TypeTranslator.computeTypes(mdTxnCtx, fieldExpr.second, indexName, dataverseName);
                TypeSignature typeSignature = new TypeSignature(dataverseName, indexName);
                fieldType = typeMap.get(typeSignature);
            }
            if (fieldType == null) {
                throw new AlgebricksException("Unknown type " + (fieldExpr.second == null ? fieldExpr.first : fieldExpr.second));
            }
            indexFields.add(fieldExpr.first);
            indexFieldTypes.add(fieldType);
            ++keyIndex;
        }
        ValidateUtil.validateKeyFields(aRecordType, metaRecordType, indexFields, keySourceIndicators, indexFieldTypes, stmtCreateIndex.getIndexType());
        if (index != null) {
            if (stmtCreateIndex.getIfNotExists()) {
                MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
                return;
            } else {
                throw new AlgebricksException("An index with this name " + indexName + " already exists.");
            }
        }
        // error message and stop.
        if (stmtCreateIndex.getIndexType() == IndexType.SINGLE_PARTITION_WORD_INVIX || stmtCreateIndex.getIndexType() == IndexType.SINGLE_PARTITION_NGRAM_INVIX || stmtCreateIndex.getIndexType() == IndexType.LENGTH_PARTITIONED_WORD_INVIX || stmtCreateIndex.getIndexType() == IndexType.LENGTH_PARTITIONED_NGRAM_INVIX) {
            List<List<String>> partitioningKeys = ds.getPrimaryKeys();
            for (List<String> partitioningKey : partitioningKeys) {
                IAType keyType = aRecordType.getSubFieldType(partitioningKey);
                ITypeTraits typeTrait = TypeTraitProvider.INSTANCE.getTypeTrait(keyType);
                // If it is not a fixed length
                if (typeTrait.getFixedLength() < 0) {
                    throw new AlgebricksException("The keyword or ngram index -" + indexName + " cannot be created on the dataset -" + datasetName + " due to its variable-length primary key field - " + partitioningKey);
                }
            }
        }
        if (ds.getDatasetType() == DatasetType.INTERNAL) {
            validateIfResourceIsActiveInFeed(ds);
        } else {
            // Check if the dataset is indexible
            if (!ExternalIndexingOperations.isIndexible((ExternalDatasetDetails) ds.getDatasetDetails())) {
                throw new AlgebricksException("dataset using " + ((ExternalDatasetDetails) ds.getDatasetDetails()).getAdapter() + " Adapter can't be indexed");
            }
            // Check if the name of the index is valid
            if (!ExternalIndexingOperations.isValidIndexName(datasetName, indexName)) {
                throw new AlgebricksException("external dataset index name is invalid");
            }
            // Check if the files index exist
            filesIndex = MetadataManager.INSTANCE.getIndex(metadataProvider.getMetadataTxnContext(), dataverseName, datasetName, IndexingConstants.getFilesIndexName(datasetName));
            firstExternalDatasetIndex = filesIndex == null;
            // Lock external dataset
            ExternalDatasetsRegistry.INSTANCE.buildIndexBegin(ds, firstExternalDatasetIndex);
            datasetLocked = true;
            if (firstExternalDatasetIndex) {
                // Verify that no one has created an index before we acquire the lock
                filesIndex = MetadataManager.INSTANCE.getIndex(metadataProvider.getMetadataTxnContext(), dataverseName, datasetName, IndexingConstants.getFilesIndexName(datasetName));
                if (filesIndex != null) {
                    ExternalDatasetsRegistry.INSTANCE.buildIndexEnd(ds, firstExternalDatasetIndex);
                    firstExternalDatasetIndex = false;
                    ExternalDatasetsRegistry.INSTANCE.buildIndexBegin(ds, firstExternalDatasetIndex);
                }
            }
            if (firstExternalDatasetIndex) {
                // Get snapshot from External File System
                externalFilesSnapshot = ExternalIndexingOperations.getSnapshotFromExternalFileSystem(ds);
                // Add an entry for the files index
                filesIndex = new Index(dataverseName, datasetName, IndexingConstants.getFilesIndexName(datasetName), IndexType.BTREE, ExternalIndexingOperations.FILE_INDEX_FIELD_NAMES, null, ExternalIndexingOperations.FILE_INDEX_FIELD_TYPES, false, false, MetadataUtil.PENDING_ADD_OP);
                MetadataManager.INSTANCE.addIndex(metadataProvider.getMetadataTxnContext(), filesIndex);
                // Add files to the external files index
                for (ExternalFile file : externalFilesSnapshot) {
                    MetadataManager.INSTANCE.addExternalFile(mdTxnCtx, file);
                }
                // This is the first index for the external dataset, replicate the files index
                spec = ExternalIndexingOperations.buildFilesIndexCreateJobSpec(ds, externalFilesSnapshot, metadataProvider);
                if (spec == null) {
                    throw new CompilationException("Failed to create job spec for replicating Files Index For external dataset");
                }
                filesIndexReplicated = true;
                JobUtils.runJob(hcc, spec, true);
            }
        }
        // check whether there exists another enforced index on the same field
        if (stmtCreateIndex.isEnforced()) {
            List<Index> indexes = MetadataManager.INSTANCE.getDatasetIndexes(metadataProvider.getMetadataTxnContext(), dataverseName, datasetName);
            for (Index existingIndex : indexes) {
                if (existingIndex.getKeyFieldNames().equals(indexFields) && !existingIndex.getKeyFieldTypes().equals(indexFieldTypes) && existingIndex.isEnforcingKeyFileds()) {
                    throw new CompilationException("Cannot create index " + indexName + " , enforced index " + existingIndex.getIndexName() + " on field \"" + StringUtils.join(indexFields, ',') + "\" is already defined with type \"" + existingIndex.getKeyFieldTypes() + "\"");
                }
            }
        }
        // #. add a new index with PendingAddOp
        index = new Index(dataverseName, datasetName, indexName, stmtCreateIndex.getIndexType(), indexFields, keySourceIndicators, indexFieldTypes, stmtCreateIndex.getGramLength(), stmtCreateIndex.isEnforced(), false, MetadataUtil.PENDING_ADD_OP);
        MetadataManager.INSTANCE.addIndex(metadataProvider.getMetadataTxnContext(), index);
        // #. prepare to create the index artifact in NC.
        spec = IndexUtil.buildSecondaryIndexCreationJobSpec(ds, index, metadataProvider);
        if (spec == null) {
            throw new CompilationException("Failed to create job spec for creating index '" + stmtCreateIndex.getDatasetName() + "." + stmtCreateIndex.getIndexName() + "'");
        }
        MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
        bActiveTxn = false;
        progress = ProgressState.ADDED_PENDINGOP_RECORD_TO_METADATA;
        // #. create the index artifact in NC.
        JobUtils.runJob(hcc, spec, true);
        mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
        bActiveTxn = true;
        metadataProvider.setMetadataTxnContext(mdTxnCtx);
        // #. load data into the index in NC.
        spec = IndexUtil.buildSecondaryIndexLoadingJobSpec(ds, index, metadataProvider);
        MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
        bActiveTxn = false;
        JobUtils.runJob(hcc, spec, true);
        // #. begin new metadataTxn
        mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
        bActiveTxn = true;
        metadataProvider.setMetadataTxnContext(mdTxnCtx);
        // #. add another new index with PendingNoOp after deleting the index with PendingAddOp
        MetadataManager.INSTANCE.dropIndex(metadataProvider.getMetadataTxnContext(), dataverseName, datasetName, indexName);
        index.setPendingOp(MetadataUtil.PENDING_NO_OP);
        MetadataManager.INSTANCE.addIndex(metadataProvider.getMetadataTxnContext(), index);
        // PendingAddOp
        if (firstExternalDatasetIndex) {
            MetadataManager.INSTANCE.dropIndex(metadataProvider.getMetadataTxnContext(), dataverseName, datasetName, filesIndex.getIndexName());
            filesIndex.setPendingOp(MetadataUtil.PENDING_NO_OP);
            MetadataManager.INSTANCE.addIndex(metadataProvider.getMetadataTxnContext(), filesIndex);
            // update transaction timestamp
            ((ExternalDatasetDetails) ds.getDatasetDetails()).setRefreshTimestamp(new Date());
            MetadataManager.INSTANCE.updateDataset(mdTxnCtx, ds);
        }
        MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
    } catch (Exception e) {
        if (bActiveTxn) {
            abort(e, e, mdTxnCtx);
        }
        // If files index was replicated for external dataset, it should be cleaned up on NC side
        if (filesIndexReplicated) {
            mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
            bActiveTxn = true;
            try {
                JobSpecification jobSpec = ExternalIndexingOperations.buildDropFilesIndexJobSpec(metadataProvider, ds);
                MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
                bActiveTxn = false;
                JobUtils.runJob(hcc, jobSpec, true);
            } catch (Exception e2) {
                e.addSuppressed(e2);
                if (bActiveTxn) {
                    abort(e, e2, mdTxnCtx);
                }
            }
        }
        if (progress == ProgressState.ADDED_PENDINGOP_RECORD_TO_METADATA) {
            // #. execute compensation operations
            // remove the index in NC
            mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
            bActiveTxn = true;
            metadataProvider.setMetadataTxnContext(mdTxnCtx);
            try {
                JobSpecification jobSpec = IndexUtil.buildDropIndexJobSpec(index, metadataProvider, ds);
                MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
                bActiveTxn = false;
                JobUtils.runJob(hcc, jobSpec, true);
            } catch (Exception e2) {
                e.addSuppressed(e2);
                if (bActiveTxn) {
                    abort(e, e2, mdTxnCtx);
                }
            }
            if (firstExternalDatasetIndex) {
                mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
                metadataProvider.setMetadataTxnContext(mdTxnCtx);
                try {
                    // Drop External Files from metadata
                    MetadataManager.INSTANCE.dropDatasetExternalFiles(mdTxnCtx, ds);
                    MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
                } catch (Exception e2) {
                    e.addSuppressed(e2);
                    abort(e, e2, mdTxnCtx);
                    throw new IllegalStateException("System is inconsistent state: pending files for(" + dataverseName + "." + datasetName + ") couldn't be removed from the metadata", e);
                }
                mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
                metadataProvider.setMetadataTxnContext(mdTxnCtx);
                try {
                    // Drop the files index from metadata
                    MetadataManager.INSTANCE.dropIndex(metadataProvider.getMetadataTxnContext(), dataverseName, datasetName, IndexingConstants.getFilesIndexName(datasetName));
                    MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
                } catch (Exception e2) {
                    e.addSuppressed(e2);
                    abort(e, e2, mdTxnCtx);
                    throw new IllegalStateException("System is inconsistent state: pending index(" + dataverseName + "." + datasetName + "." + IndexingConstants.getFilesIndexName(datasetName) + ") couldn't be removed from the metadata", e);
                }
            }
            // remove the record from the metadata.
            mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
            metadataProvider.setMetadataTxnContext(mdTxnCtx);
            try {
                MetadataManager.INSTANCE.dropIndex(metadataProvider.getMetadataTxnContext(), dataverseName, datasetName, indexName);
                MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
            } catch (Exception e2) {
                e.addSuppressed(e2);
                abort(e, e2, mdTxnCtx);
                throw new IllegalStateException("System is in inconsistent state: pending index(" + dataverseName + "." + datasetName + "." + indexName + ") couldn't be removed from the metadata", e);
            }
        }
        throw e;
    } finally {
        metadataProvider.getLocks().unlock();
        if (datasetLocked) {
            ExternalDatasetsRegistry.INSTANCE.buildIndexEnd(ds, firstExternalDatasetIndex);
        }
    }
}

Example 4 with ProgressState

use of org.apache.asterix.common.utils.JobUtils.ProgressState 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 5 with ProgressState

use of org.apache.asterix.common.utils.JobUtils.ProgressState 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();
    }
}