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

Class IcebergParquetReader

java.lang.Object

org.gridgain.internal.sql.copy.parquet.IcebergParquetReader

All Implemented Interfaces:

AutoCloseable, Reader

public class IcebergParquetReader
extends Object
implements Reader

Reader for parsing parquet files.

Constructor Summary

Constructors

Constructor	Description
IcebergParquetReader(org.apache.ignite.internal.sql.engine.prepare.copy.CopyLocationPath from, Map<String,String> properties, List<String> columns)	Constructor.

Method Summary

Modifier and Type	Method	Description
void	close()
boolean	hasNext()	Returns true if the reader has more rows to read.
List<?>	next()	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

IcebergParquetReader

public IcebergParquetReader(org.apache.ignite.internal.sql.engine.prepare.copy.CopyLocationPath from,
 Map<String,String> properties,
 List<String> columns)
                     throws IOException

Constructor.

Throws:

IOException

Method Details

hasNext

public boolean hasNext()

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()

Description copied from interface: Reader

Returns the next row of data.

Specified by:

next in interface Reader

close

public void close()
           throws Exception

Specified by:

close in interface AutoCloseable

Throws:

Exception