Examples with ExternalRTreeSearchOperatorDescriptor org.apache.asterix.external.operators.ExternalRTreeSearchOperatorDescriptor used on opensource projects

Example 1 with ExternalRTreeSearchOperatorDescriptor

use of org.apache.asterix.external.operators.ExternalRTreeSearchOperatorDescriptor in project asterixdb by apache.

the class MetadataProvider method buildRtreeRuntime.

public Pair<IOperatorDescriptor, AlgebricksPartitionConstraint> buildRtreeRuntime(JobSpecification jobSpec, List<LogicalVariable> outputVars, IOperatorSchema opSchema, IVariableTypeEnvironment typeEnv, JobGenContext context, boolean retainInput, boolean retainMissing, Dataset dataset, String indexName, int[] keyFields, int[] minFilterFieldIndexes, int[] maxFilterFieldIndexes) throws AlgebricksException {
    try {
        int numPrimaryKeys = dataset.getPrimaryKeys().size();
        Index secondaryIndex = MetadataManager.INSTANCE.getIndex(mdTxnCtx, dataset.getDataverseName(), dataset.getDatasetName(), indexName);
        if (secondaryIndex == null) {
            throw new AlgebricksException("Code generation error: no index " + indexName + " for dataset " + dataset.getDatasetName());
        }
        RecordDescriptor outputRecDesc = JobGenHelper.mkRecordDescriptor(typeEnv, opSchema, context);
        Pair<IFileSplitProvider, AlgebricksPartitionConstraint> spPc = getSplitProviderAndConstraints(dataset, secondaryIndex.getIndexName());
        int[] primaryKeyFields = new int[numPrimaryKeys];
        for (int i = 0; i < numPrimaryKeys; i++) {
            primaryKeyFields[i] = i;
        }
        ISearchOperationCallbackFactory searchCallbackFactory = dataset.getSearchCallbackFactory(storaegComponentProvider, secondaryIndex, jobId, IndexOperation.SEARCH, primaryKeyFields);
        RTreeSearchOperatorDescriptor rtreeSearchOp;
        IIndexDataflowHelperFactory indexDataflowHelperFactory = new IndexDataflowHelperFactory(storaegComponentProvider.getStorageManager(), spPc.first);
        if (dataset.getDatasetType() == DatasetType.INTERNAL) {
            rtreeSearchOp = new RTreeSearchOperatorDescriptor(jobSpec, outputRecDesc, keyFields, true, true, indexDataflowHelperFactory, retainInput, retainMissing, context.getMissingWriterFactory(), searchCallbackFactory, minFilterFieldIndexes, maxFilterFieldIndexes, false);
        } else {
            // Create the operator
            rtreeSearchOp = new ExternalRTreeSearchOperatorDescriptor(jobSpec, outputRecDesc, keyFields, true, true, indexDataflowHelperFactory, retainInput, retainMissing, context.getMissingWriterFactory(), searchCallbackFactory, minFilterFieldIndexes, maxFilterFieldIndexes, ExternalDatasetsRegistry.INSTANCE.getAndLockDatasetVersion(dataset, this));
        }
        return new Pair<>(rtreeSearchOp, spPc.second);
    } catch (MetadataException me) {
        throw new AlgebricksException(me);
    }
}