Package org.apache.hudi.common.table.log

Interface Summary

Interface	Description
AbstractHoodieLogRecordReader.KeySpec	Key specification with a list of column names.
HoodieLogFormat	File Format for Hoodie Log Files.
HoodieLogFormat.Reader	Reader interface which is an Iterator of HoodieLogBlock.
HoodieLogFormat.Writer	Writer interface to allow appending block to this file format.
HoodieUnMergedLogRecordScanner.LogRecordScannerCallback	A callback for log record scanner.
KeySpec	An interface to specify a set of keys that used to filter records from log files.
LogFileCreationCallback	A callback allowing plug-in logic for log file creation.

Class Summary

Class	Description
AbstractHoodieLogRecordReader	Implements logic to scan log blocks and expose valid and deleted log records to subclass implementation.
AbstractHoodieLogRecordReader.Builder	Builder used to build AbstractHoodieLogRecordScanner.
AppendResult	Pojo holding information on the result of a HoodieLogFormat.Writer.appendBlock(HoodieLogBlock).
BaseHoodieLogRecordReader<T>	A new abstract log record reader, returning records in the type of engine-specific record representation.
BaseHoodieLogRecordReader.Builder<T>	Builder used to build AbstractHoodieLogRecordScanner.
BaseHoodieMergedLogRecordScanner<K extends Serializable>
FullKeySpec	This class specifies a set of record keys that is a full key.
HoodieCDCLogRecordIterator	Record iterator for Hudi logs in CDC format.
HoodieFileSliceReader<T>
HoodieLogFileReader	Scans a log file and provides block level iterator on the log file Loads the entire block contents in memory Can emit either a DataBlock, CommandBlock, DeleteBlock or CorruptBlock (if one is found).
HoodieLogFormat.LogFormatVersion	A set of feature flags associated with a log format.
HoodieLogFormat.WriterBuilder	Builder class to construct the default log format writer.
HoodieLogFormatReader	Hoodie log format reader.
HoodieLogFormatReverseReader	A log format reader by reading log files and blocks in reserve order.
HoodieMergedLogRecordReader<T>	A log record reader that merges the records with the same record key.
HoodieMergedLogRecordReader.Builder<T>	Builder used to build HoodieUnMergedLogRecordScanner.
HoodieMergedLogRecordScanner	Scans through all the blocks in a list of HoodieLogFile and builds up a compacted/merged list of records which will be used as a lookup table when merging the base columnar file with the redo log file.
HoodieMergedLogRecordScanner.Builder	Builder used to build HoodieMergedLogRecordScanner.
HoodieMetadataMergedLogRecordScanner	Merged log record scanner for metadata table using HoodieMetadataRecordMerger.
HoodieMetadataMergedLogRecordScanner.Builder	Builder used to build HoodieMetadataMergedLogRecordScanner.
HoodieUnMergedLogRecordScanner	A scanner used to scan hoodie unmerged log records.
HoodieUnMergedLogRecordScanner.Builder	Builder used to build HoodieUnMergedLogRecordScanner.
InstantRange	An instant range used for incremental reader filtering.
InstantRange.Builder	Builder for InstantRange.
LogFileIterator<T>
LogReaderUtils	Utils class for performing various log file reading operations.
PrefixKeySpec	This class specifies a set of record keys, each of which is a prefix.

Enum Summary

Enum	Description
InstantRange.RangeType	Represents a range type.