org.apache.spark.sql.sources.v2.reader.InputPartitionReader Java Examples

The following examples show how to use org.apache.spark.sql.sources.v2.reader.InputPartitionReader. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example #1

Source File: BigQueryInputPartition.java From spark-bigquery-connector with Apache License 2.0

5 votes

@Override
public InputPartitionReader<InternalRow> createPartitionReader() {
    ReadRowsRequest.Builder readRowsRequest = ReadRowsRequest.newBuilder().setReadStream(streamName);
    ReadRowsHelper readRowsHelper = new ReadRowsHelper(bigQueryReadClientFactory, readRowsRequest, maxReadRowsRetries);
    Iterator<ReadRowsResponse> readRowsResponses = readRowsHelper.readRows();
    return new BigQueryInputPartitionReader(readRowsResponses, converter, readRowsHelper);
}

Example #2

Source File: BigQueryEmptyProjectionInputPartition.java From spark-bigquery-connector with Apache License 2.0

4 votes

@Override
public InputPartitionReader<InternalRow> createPartitionReader() {
    return new BigQueryEmptyProjectionInputPartitionReader(partitionSize);
}

Example #3

Source File: FlightDataReaderFactory.java From flight-spark-source with Apache License 2.0

4 votes

@Override
public InputPartitionReader<ColumnarBatch> createPartitionReader() {
  return new FlightDataReader(options);
}

Example #4

Source File: Reader.java From iceberg with Apache License 2.0

4 votes

@Override
public InputPartitionReader<T> createPartitionReader() {
  return readerFactory.create(task, lazyTableSchema(), lazyExpectedSchema(), nameMappingString, io.value(),
      encryptionManager.value(), caseSensitive);
}

Example #5

Source File: Reader.java From iceberg with Apache License 2.0

4 votes

InputPartitionReader<T> create(CombinedScanTask task, Schema tableSchema, Schema expectedSchema,
String nameMapping, FileIO io,
EncryptionManager encryptionManager, boolean caseSensitive);

Example #6

Source File: Reader.java From iceberg with Apache License 2.0

4 votes

@Override
public InputPartitionReader<InternalRow> create(CombinedScanTask task, Schema tableSchema, Schema expectedSchema,
                                                String nameMapping, FileIO io,
                                                EncryptionManager encryptionManager, boolean caseSensitive) {
  return new RowReader(task, tableSchema, expectedSchema, nameMapping, io, encryptionManager, caseSensitive);
}

Example #7

Source File: Reader.java From iceberg with Apache License 2.0

4 votes

@Override
public InputPartitionReader<ColumnarBatch> create(CombinedScanTask task, Schema tableSchema, Schema expectedSchema,
                                                  String nameMapping, FileIO io,
                                                  EncryptionManager encryptionManager, boolean caseSensitive) {
  return new BatchReader(task, expectedSchema, nameMapping, io, encryptionManager, caseSensitive, batchSize);
}