Package io.trino.plugin.iceberg

Class IcebergPageSourceProvider

java.lang.Object

io.trino.plugin.iceberg.IcebergPageSourceProvider

All Implemented Interfaces:

ConnectorPageSourceProvider

public class IcebergPageSourceProvider
extends Object
implements ConnectorPageSourceProvider

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final class	IcebergPageSourceProvider.ReaderPageSourceWithRowPositions

Constructor Summary

Constructors

Constructor	Description
IcebergPageSourceProvider(TrinoFileSystemFactory fileSystemFactory, FileFormatDataSourceStats fileFormatDataSourceStats, OrcReaderConfig orcReaderConfig, ParquetReaderConfig parquetReaderConfig, TypeManager typeManager)

Method Summary

Modifier and Type	Method	Description
IcebergPageSourceProvider.ReaderPageSourceWithRowPositions	createDataPageSource(ConnectorSession session, TrinoInputFile inputFile, long start, long length, int partitionSpecId, String partitionData, IcebergFileFormat fileFormat, org.apache.iceberg.Schema fileSchema, List<IcebergColumnHandle> dataColumns, TupleDomain<IcebergColumnHandle> predicate, Optional<org.apache.iceberg.mapping.NameMapping> nameMapping, Map<Integer,Optional<String>> partitionKeys)
ConnectorPageSource	createPageSource(ConnectorTransactionHandle transaction, ConnectorSession session, ConnectorSplit connectorSplit, ConnectorTableHandle connectorTable, List<ColumnHandle> columns, DynamicFilter dynamicFilter)
static Optional<ReaderColumns>	projectBaseColumns(List<IcebergColumnHandle> columns)	Creates a mapping between the input columns and base columns if required.

Methods inherited from class java.lang.Object

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

Constructor Details

IcebergPageSourceProvider

@Inject
public IcebergPageSourceProvider(TrinoFileSystemFactory fileSystemFactory,
 FileFormatDataSourceStats fileFormatDataSourceStats,
 OrcReaderConfig orcReaderConfig,
 ParquetReaderConfig parquetReaderConfig,
 TypeManager typeManager)

Method Details

createPageSource

public ConnectorPageSource createPageSource(ConnectorTransactionHandle transaction,
 ConnectorSession session,
 ConnectorSplit connectorSplit,
 ConnectorTableHandle connectorTable,
 List<ColumnHandle> columns,
 DynamicFilter dynamicFilter)

Specified by:

createPageSource in interface ConnectorPageSourceProvider

createDataPageSource

public IcebergPageSourceProvider.ReaderPageSourceWithRowPositions createDataPageSource(ConnectorSession session,
 TrinoInputFile inputFile,
 long start,
 long length,
 int partitionSpecId,
 String partitionData,
 IcebergFileFormat fileFormat,
 org.apache.iceberg.Schema fileSchema,
 List<IcebergColumnHandle> dataColumns,
 TupleDomain<IcebergColumnHandle> predicate,
 Optional<org.apache.iceberg.mapping.NameMapping> nameMapping,
 Map<Integer,Optional<String>> partitionKeys)

projectBaseColumns

public static Optional<ReaderColumns> projectBaseColumns(List<IcebergColumnHandle> columns)

Creates a mapping between the input columns and base columns if required.