Interface RowGroupReader


public interface RowGroupReader
Provides read access to a parquet Row Group
  • Method Details

    • getColumnChunk

      ColumnChunkReader getColumnChunk(@NotNull @NotNull List<String> path, @NotNull @NotNull SeekableChannelContext channelContext)
      Returns the accessor to a given Column Chunk
      Parameters:
      path - the full column path
      channelContext - the channel context to use while reading the parquet file
      Returns:
      the accessor to a given Column Chunk
    • numRows

      long numRows()
    • getRowGroup

      org.apache.parquet.format.RowGroup getRowGroup()