Package org.gridgain.internal.sql.copy.parquet

Class ParquetReader

java.lang.Object
org.gridgain.internal.sql.copy.parquet.ParquetReader
All Implemented Interfaces:
AutoCloseable, Reader
@Deprecated(forRemoval=true) public class ParquetReader extends Object implements Reader
Deprecated, for removal: This API element is subject to removal in a future version.
Reader for parsing parquet files.

  • Constructor Summary

    Constructors
    Constructor
    Description
    ParquetReader(org.apache.ignite.internal.sql.engine.prepare.copy.CopyLocationPath from, Map<String,String> properties, List<String> columns)
    Deprecated, for removal: This API element is subject to removal in a future version.
    Constructor.

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    close()
    Deprecated, for removal: This API element is subject to removal in a future version.
     
    boolean
    hasNext()
    Deprecated, for removal: This API element is subject to removal in a future version.
    Returns true if the reader has more rows to read.
    List<?>
    next()
    Deprecated, for removal: This API element is subject to removal in a future version.
    Returns the next row of data.

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    Methods inherited from interface org.gridgain.internal.sql.copy.Reader

    columns

  • Constructor Details

    • ParquetReader

      public ParquetReader(org.apache.ignite.internal.sql.engine.prepare.copy.CopyLocationPath from, Map<String,String> properties, List<String> columns) throws IOException
      Deprecated, for removal: This API element is subject to removal in a future version.
      Constructor.
      Throws:
      IOException

  • Method Details

    • hasNext

      public boolean hasNext()
      Deprecated, for removal: This API element is subject to removal in a future version.
      Description copied from interface: Reader
      Returns true if the reader has more rows to read.
      Specified by:
      hasNext in interface Reader
      Returns:
      true if there is more data to read.

    • next

      public List<?> next()
      Deprecated, for removal: This API element is subject to removal in a future version.
      Description copied from interface: Reader
      Returns the next row of data.
      Specified by:
      next in interface Reader

    • close

      public void close() throws Exception
      Deprecated, for removal: This API element is subject to removal in a future version.
      Specified by:
      close in interface AutoCloseable
      Throws:
      Exception