Package io.trino.plugin.hive.orc

Class OrcDeletedRows

java.lang.Object

io.trino.plugin.hive.orc.OrcDeletedRows

@NotThreadSafe
public class OrcDeletedRows
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	OrcDeletedRows.MaskDeletedRowsFunction

Constructor Summary

Constructors

Constructor	Description
OrcDeletedRows(String sourceFileName, OrcDeleteDeltaPageSourceFactory pageSourceFactory, ConnectorIdentity identity, org.apache.hadoop.conf.Configuration configuration, HdfsEnvironment hdfsEnvironment, AcidInfo acidInfo, OptionalInt bucketNumber, AggregatedMemoryContext memoryContext)

Method Summary

Modifier and Type	Method	Description
void	close()
OrcDeletedRows.MaskDeletedRowsFunction	getMaskDeletedRowsFunction(Page sourcePage, OptionalLong startRowId)
boolean	loadOrYield()	Triggers loading of deleted rows ids.

Methods inherited from class java.lang.Object

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

Constructor Detail

OrcDeletedRows

public OrcDeletedRows(String sourceFileName,
                      OrcDeleteDeltaPageSourceFactory pageSourceFactory,
                      ConnectorIdentity identity,
                      org.apache.hadoop.conf.Configuration configuration,
                      HdfsEnvironment hdfsEnvironment,
                      AcidInfo acidInfo,
                      OptionalInt bucketNumber,
                      AggregatedMemoryContext memoryContext)

Method Detail

getMaskDeletedRowsFunction

public OrcDeletedRows.MaskDeletedRowsFunction getMaskDeletedRowsFunction(Page sourcePage,
                                                                         OptionalLong startRowId)

loadOrYield

public boolean loadOrYield()

Triggers loading of deleted rows ids. Single call to the method may load just part of ids. If more ids to be loaded remain, method returns false and should be called once again. Final call will return true and the loaded ids can be consumed via getMaskDeletedRowsFunction(Page, OptionalLong)

Returns:

true when fully loaded, and false if this method should be called again

close

public void close()
           throws IOException

Throws:

IOException