Package io.trino.plugin.deltalake.transactionlog

Class TableSnapshot

java.lang.Object

io.trino.plugin.deltalake.transactionlog.TableSnapshot

public class TableSnapshot
extends Object

The current state of a Delta table. It's defined by its latest checkpoint and the subsequent transactions not included in the checkpoint.

Method Summary

Modifier and Type	Method	Description
Optional<MetadataEntry>	getCachedMetadata()
Stream<DeltaLakeTransactionLogEntry>	getCheckpointTransactionLogEntries(ConnectorSession session, Set<CheckpointEntryIterator.EntryType> entryTypes, CheckpointSchemaManager checkpointSchemaManager, TypeManager typeManager, org.apache.hadoop.fs.FileSystem fileSystem, HdfsEnvironment hdfsEnvironment, FileFormatDataSourceStats stats)
List<DeltaLakeTransactionLogEntry>	getJsonTransactionLogEntries()
Optional<Long>	getLastCheckpointVersion()
SchemaTableName	getTable()
org.apache.hadoop.fs.Path	getTableLocation()
Optional<TableSnapshot>	getUpdatedSnapshot(org.apache.hadoop.fs.FileSystem fileSystem)
long	getVersion()
static TableSnapshot	load(SchemaTableName table, org.apache.hadoop.fs.FileSystem fileSystem, org.apache.hadoop.fs.Path tableLocation, ParquetReaderOptions parquetReaderOptions, boolean checkpointRowStatisticsWritingEnabled)
void	setCachedMetadata(Optional<MetadataEntry> cachedMetadata)

Methods inherited from class java.lang.Object

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

Method Detail

load

public static TableSnapshot load(SchemaTableName table,
                                 org.apache.hadoop.fs.FileSystem fileSystem,
                                 org.apache.hadoop.fs.Path tableLocation,
                                 ParquetReaderOptions parquetReaderOptions,
                                 boolean checkpointRowStatisticsWritingEnabled)
                          throws IOException

Throws:

IOException

getUpdatedSnapshot

public Optional<TableSnapshot> getUpdatedSnapshot(org.apache.hadoop.fs.FileSystem fileSystem)
                                           throws IOException

Throws:

IOException

getVersion

public long getVersion()

getTable

public SchemaTableName getTable()

getCachedMetadata

public Optional<MetadataEntry> getCachedMetadata()

getTableLocation

public org.apache.hadoop.fs.Path getTableLocation()

setCachedMetadata

public void setCachedMetadata(Optional<MetadataEntry> cachedMetadata)

getJsonTransactionLogEntries

public List<DeltaLakeTransactionLogEntry> getJsonTransactionLogEntries()

getCheckpointTransactionLogEntries

public Stream<DeltaLakeTransactionLogEntry> getCheckpointTransactionLogEntries(ConnectorSession session,
                                                                               Set<CheckpointEntryIterator.EntryType> entryTypes,
                                                                               CheckpointSchemaManager checkpointSchemaManager,
                                                                               TypeManager typeManager,
                                                                               org.apache.hadoop.fs.FileSystem fileSystem,
                                                                               HdfsEnvironment hdfsEnvironment,
                                                                               FileFormatDataSourceStats stats)
                                                                        throws IOException

Throws:

IOException

getLastCheckpointVersion

public Optional<Long> getLastCheckpointVersion()