Examples with MaprDBJsonRecordReader org.apache.drill.exec.store.mapr.db.json.MaprDBJsonRecordReader used on opensource projects

Example 1 with MaprDBJsonRecordReader

use of org.apache.drill.exec.store.mapr.db.json.MaprDBJsonRecordReader in project drill by apache.

the class MapRDBScanBatchCreator method getBatch.

@Override
public ScanBatch getBatch(FragmentContext context, MapRDBSubScan subScan, List<RecordBatch> children) throws ExecutionSetupException {
    Preconditions.checkArgument(children.isEmpty());
    List<RecordReader> readers = Lists.newArrayList();
    for (MapRDBSubScanSpec scanSpec : subScan.getRegionScanSpecList()) {
        try {
            if (BinaryTableGroupScan.TABLE_BINARY.equals(subScan.getTableType())) {
                readers.add(new HBaseRecordReader(subScan.getFormatPlugin().getConnection(), getHBaseSubScanSpec(scanSpec), subScan.getColumns(), context));
            } else {
                readers.add(new MaprDBJsonRecordReader(scanSpec, subScan.getFormatPluginConfig(), subScan.getColumns(), context));
            }
        } catch (Exception e1) {
            throw new ExecutionSetupException(e1);
        }
    }
    return new ScanBatch(subScan, context, readers.iterator());
}

Example 2 with MaprDBJsonRecordReader

use of org.apache.drill.exec.store.mapr.db.json.MaprDBJsonRecordReader in project drill by apache.

the class MapRDBScanBatchCreator method getBatch.

@Override
public ScanBatch getBatch(ExecutorFragmentContext context, MapRDBSubScan subScan, List<RecordBatch> children) throws ExecutionSetupException {
    Preconditions.checkArgument(children.isEmpty());
    List<RecordReader> readers = new LinkedList<>();
    for (MapRDBSubScanSpec scanSpec : subScan.getRegionScanSpecList()) {
        try {
            if (BinaryTableGroupScan.TABLE_BINARY.equals(subScan.getTableType())) {
                readers.add(new HBaseRecordReader(subScan.getFormatPlugin().getConnection(), getHBaseSubScanSpec(scanSpec), subScan.getColumns()));
            } else {
                readers.add(new MaprDBJsonRecordReader(scanSpec, subScan.getFormatPlugin(), subScan.getColumns(), context, subScan.getMaxRecordsToRead(), subScan.getSchema()));
            }
        } catch (Exception e) {
            throw new ExecutionSetupException(e);
        }
    }
    return new ScanBatch(subScan, context, readers);
}

Example 3 with MaprDBJsonRecordReader

use of org.apache.drill.exec.store.mapr.db.json.MaprDBJsonRecordReader in project drill by axbaretto.

the class MapRDBScanBatchCreator method getBatch.

@Override
public ScanBatch getBatch(ExecutorFragmentContext context, MapRDBSubScan subScan, List<RecordBatch> children) throws ExecutionSetupException {
    Preconditions.checkArgument(children.isEmpty());
    List<RecordReader> readers = new LinkedList<>();
    for (MapRDBSubScanSpec scanSpec : subScan.getRegionScanSpecList()) {
        try {
            if (BinaryTableGroupScan.TABLE_BINARY.equals(subScan.getTableType())) {
                readers.add(new HBaseRecordReader(subScan.getFormatPlugin().getConnection(), getHBaseSubScanSpec(scanSpec), subScan.getColumns()));
            } else {
                readers.add(new MaprDBJsonRecordReader(scanSpec, subScan.getFormatPluginConfig(), subScan.getColumns(), context));
            }
        } catch (Exception e) {
            throw new ExecutionSetupException(e);
        }
    }
    return new ScanBatch(subScan, context, readers);
}