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

Class RowGroupReader

java.lang.Object

org.gridgain.internal.sql.copy.parquet.RowGroupReader

public class RowGroupReader
extends Object

A reader that reads data from a single PageReadStore.

Constructor Summary

Constructors

Constructor	Description
RowGroupReader(org.apache.parquet.schema.MessageType schema, org.apache.parquet.column.page.PageReadStore pageReadStore)	Constructor.

Method Summary

Modifier and Type	Method	Description
boolean	hasNext()	Returns true If there are more records to read.
ObjectGroup	readNext()	Read the next record or null if there are no more records.

Methods inherited from class java.lang.Object

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

Constructor Details

RowGroupReader

public RowGroupReader(org.apache.parquet.schema.MessageType schema,
 org.apache.parquet.column.page.PageReadStore pageReadStore)

Constructor.

Method Details

hasNext

public boolean hasNext()

Returns true If there are more records to read.

readNext

public ObjectGroup readNext()

Read the next record or null if there are no more records.