Examples with Datatype org.apache.asterix.metadata.entities.Datatype used on opensource projects

Example 16 with Datatype

use of org.apache.asterix.metadata.entities.Datatype in project asterixdb by apache.

the class MetadataBootstrap method insertMetadataDatatypes.

private static void insertMetadataDatatypes(MetadataTransactionContext mdTxnCtx) throws MetadataException {
    ArrayList<IAType> types = new ArrayList<>();
    types.addAll(BuiltinTypeMap.getAllBuiltinTypes());
    getMetadataTypes(types);
    for (int i = 0; i < types.size(); i++) {
        MetadataManager.INSTANCE.addDatatype(mdTxnCtx, new Datatype(MetadataConstants.METADATA_DATAVERSE_NAME, types.get(i).getTypeName(), types.get(i), false));
    }
    MetadataManager.INSTANCE.addDatatype(mdTxnCtx, MetadataBuiltinEntities.ANY_OBJECT_DATATYPE);
    if (LOGGER.isLoggable(Level.INFO)) {
        LOGGER.info("Finished inserting initial datatypes.");
    }
}

Example 17 with Datatype

use of org.apache.asterix.metadata.entities.Datatype in project asterixdb by apache.

the class MetadataNode method getDatatype.

@Override
public Datatype getDatatype(JobId jobId, String dataverseName, String datatypeName) throws MetadataException, RemoteException {
    try {
        ITupleReference searchKey = createTuple(dataverseName, datatypeName);
        DatatypeTupleTranslator tupleReaderWriter = tupleTranslatorProvider.getDataTypeTupleTranslator(jobId, this, false);
        IValueExtractor<Datatype> valueExtractor = new MetadataEntityValueExtractor<>(tupleReaderWriter);
        List<Datatype> results = new ArrayList<>();
        searchIndex(jobId, MetadataPrimaryIndexes.DATATYPE_DATASET, searchKey, valueExtractor, results);
        if (results.isEmpty()) {
            return null;
        }
        return results.get(0);
    } catch (HyracksDataException e) {
        throw new MetadataException(e);
    }
}

Example 18 with Datatype

use of org.apache.asterix.metadata.entities.Datatype in project asterixdb by apache.

the class MetadataNode method dropDataverse.

@Override
public void dropDataverse(JobId jobId, String dataverseName) throws MetadataException, RemoteException {
    try {
        confirmDataverseCanBeDeleted(jobId, dataverseName);
        List<Dataset> dataverseDatasets;
        Dataset ds;
        dataverseDatasets = getDataverseDatasets(jobId, dataverseName);
        // Drop all datasets in this dataverse.
        for (int i = 0; i < dataverseDatasets.size(); i++) {
            ds = dataverseDatasets.get(i);
            dropDataset(jobId, dataverseName, ds.getDatasetName());
        }
        //After dropping datasets, drop datatypes
        List<Datatype> dataverseDatatypes;
        // As a side effect, acquires an S lock on the 'datatype' dataset
        // on behalf of txnId.
        dataverseDatatypes = getDataverseDatatypes(jobId, dataverseName);
        // Drop all types in this dataverse.
        for (int i = 0; i < dataverseDatatypes.size(); i++) {
            forceDropDatatype(jobId, dataverseName, dataverseDatatypes.get(i).getDatatypeName());
        }
        // As a side effect, acquires an S lock on the 'Function' dataset
        // on behalf of txnId.
        List<Function> dataverseFunctions = getDataverseFunctions(jobId, dataverseName);
        // Drop all functions in this dataverse.
        for (Function function : dataverseFunctions) {
            dropFunction(jobId, new FunctionSignature(dataverseName, function.getName(), function.getArity()));
        }
        // As a side effect, acquires an S lock on the 'Adapter' dataset
        // on behalf of txnId.
        List<DatasourceAdapter> dataverseAdapters = getDataverseAdapters(jobId, dataverseName);
        // Drop all functions in this dataverse.
        for (DatasourceAdapter adapter : dataverseAdapters) {
            dropAdapter(jobId, dataverseName, adapter.getAdapterIdentifier().getName());
        }
        List<Feed> dataverseFeeds;
        List<FeedConnection> feedConnections;
        Feed feed;
        dataverseFeeds = getDataverseFeeds(jobId, dataverseName);
        // Drop all feeds&connections in this dataverse.
        for (int i = 0; i < dataverseFeeds.size(); i++) {
            feed = dataverseFeeds.get(i);
            feedConnections = getFeedConnections(jobId, dataverseName, feed.getFeedName());
            for (FeedConnection feedConnection : feedConnections) {
                dropFeedConnection(jobId, dataverseName, feed.getFeedName(), feedConnection.getDatasetName());
            }
            dropFeed(jobId, dataverseName, feed.getFeedName());
        }
        List<FeedPolicyEntity> feedPolicies = getDataversePolicies(jobId, dataverseName);
        if (feedPolicies != null && feedPolicies.size() > 0) {
            // Drop all feed ingestion policies in this dataverse.
            for (FeedPolicyEntity feedPolicy : feedPolicies) {
                dropFeedPolicy(jobId, dataverseName, feedPolicy.getPolicyName());
            }
        }
        // Delete the dataverse entry from the 'dataverse' dataset.
        ITupleReference searchKey = createTuple(dataverseName);
        // As a side effect, acquires an S lock on the 'dataverse' dataset
        // on behalf of txnId.
        ITupleReference tuple = getTupleToBeDeleted(jobId, MetadataPrimaryIndexes.DATAVERSE_DATASET, searchKey);
        deleteTupleFromIndex(jobId, MetadataPrimaryIndexes.DATAVERSE_DATASET, tuple);
    // TODO: Change this to be a BTree specific exception, e.g.,
    // BTreeKeyDoesNotExistException.
    } catch (HyracksDataException e) {
        if (e.getComponent().equals(ErrorCode.HYRACKS) && e.getErrorCode() == ErrorCode.UPDATE_OR_DELETE_NON_EXISTENT_KEY) {
            throw new MetadataException("Cannot drop dataverse '" + dataverseName + "' because it doesn't exist.", e);
        } else {
            throw new MetadataException(e);
        }
    } catch (ACIDException e) {
        throw new MetadataException(e);
    }
}