Uses of Class
org.rocksdb.ColumnFamilyHandle

Packages that use ColumnFamilyHandle

Package	Description
org.rocksdb	The RocksDB Java driver

Uses of ColumnFamilyHandle in org.rocksdb

Methods in org.rocksdb that return ColumnFamilyHandle

Modifier and Type	Method and Description
ColumnFamilyHandle	RocksDB.createColumnFamily(ColumnFamilyDescriptor columnFamilyDescriptor) Creates a new column family with the name columnFamilyName and allocates a ColumnFamilyHandle within an internal structure.
ColumnFamilyHandle	TtlDB.createColumnFamilyWithTtl(ColumnFamilyDescriptor columnFamilyDescriptor, int ttl) Creates a new ttl based column family with a name defined in given ColumnFamilyDescriptor and allocates a ColumnFamilyHandle within an internal structure.
ColumnFamilyHandle	RocksDB.getDefaultColumnFamily() Gets the handle for the default column family

Methods in org.rocksdb that return types with arguments of type ColumnFamilyHandle

Modifier and Type	Method and Description
List<ColumnFamilyHandle>	RocksDB.createColumnFamilies(ColumnFamilyOptions columnFamilyOptions, List<byte[]> columnFamilyNames) Bulk create column families with the same column family options.
List<ColumnFamilyHandle>	RocksDB.createColumnFamilies(List<ColumnFamilyDescriptor> columnFamilyDescriptors) Bulk create column families with the same column family options.

Methods in org.rocksdb with parameters of type ColumnFamilyHandle

Modifier and Type	Method and Description
List<String>	RocksDB.compactFiles(CompactionOptions compactionOptions, ColumnFamilyHandle columnFamilyHandle, List<String> inputFileNames, int outputLevel, int outputPathId, CompactionJobInfo compactionJobInfo) Takes a list of files specified by file names and compacts them to the specified level.
void	RocksDB.compactRange(ColumnFamilyHandle columnFamilyHandle) Range compaction of column family.
void	RocksDB.compactRange(ColumnFamilyHandle columnFamilyHandle, byte[] begin, byte[] end) Range compaction of column family.
void	RocksDB.compactRange(ColumnFamilyHandle columnFamilyHandle, byte[] begin, byte[] end, CompactRangeOptions compactRangeOptions) Range compaction of column family.
void	AbstractWriteBatch.delete(ColumnFamilyHandle columnFamilyHandle, byte[] key)
void	RocksDB.delete(ColumnFamilyHandle columnFamilyHandle, byte[] key) Delete the database entry (if any) for "key".
void	Transaction.delete(ColumnFamilyHandle columnFamilyHandle, byte[] key) Similar to Transaction.delete(ColumnFamilyHandle, byte[], boolean) but with assumeTracked = false.
void	WriteBatchInterface.delete(ColumnFamilyHandle columnFamilyHandle, byte[] key) If column family contains a mapping for "key", erase it.
void	Transaction.delete(ColumnFamilyHandle columnFamilyHandle, byte[][] keyParts) Similar toTransaction.delete(ColumnFamilyHandle, byte[][], boolean) but with assumeTracked = false.
void	Transaction.delete(ColumnFamilyHandle columnFamilyHandle, byte[][] keyParts, boolean assumeTracked) Similar to Transaction.delete(ColumnFamilyHandle, byte[]) but allows you to specify the key in several parts that will be concatenated together.
void	Transaction.delete(ColumnFamilyHandle columnFamilyHandle, byte[] key, boolean assumeTracked) Similar to RocksDB.delete(ColumnFamilyHandle, byte[]), but will also perform conflict checking on the keys be written.
void	RocksDB.delete(ColumnFamilyHandle columnFamilyHandle, byte[] key, int offset, int len) Delete the database entry (if any) for "key".
void	AbstractWriteBatch.delete(ColumnFamilyHandle columnFamilyHandle, ByteBuffer key)
void	WriteBatchInterface.delete(ColumnFamilyHandle columnFamilyHandle, ByteBuffer key) If column family contains a mapping for "key", erase it.
void	RocksDB.delete(ColumnFamilyHandle columnFamilyHandle, WriteOptions writeOpt, byte[] key) Delete the database entry (if any) for "key".
void	RocksDB.delete(ColumnFamilyHandle columnFamilyHandle, WriteOptions writeOpt, byte[] key, int offset, int len) Delete the database entry (if any) for "key".
void	RocksDB.delete(ColumnFamilyHandle columnFamilyHandle, WriteOptions writeOpt, ByteBuffer key) Delete the database entry (if any) for "key".
void	RocksDB.deleteFilesInRanges(ColumnFamilyHandle columnFamily, List<byte[]> ranges, boolean includeEnd) Delete files in multiple ranges at once.
void	AbstractWriteBatch.deleteRange(ColumnFamilyHandle columnFamilyHandle, byte[] beginKey, byte[] endKey)
void	RocksDB.deleteRange(ColumnFamilyHandle columnFamilyHandle, byte[] beginKey, byte[] endKey) Removes the database entries in the range ["beginKey", "endKey"), i.e., including "beginKey" and excluding "endKey". a non-OK status on error.
void	WriteBatchInterface.deleteRange(ColumnFamilyHandle columnFamilyHandle, byte[] beginKey, byte[] endKey) Removes the database entries in the range ["beginKey", "endKey"), i.e., including "beginKey" and excluding "endKey". a non-OK status on error.
void	RocksDB.deleteRange(ColumnFamilyHandle columnFamilyHandle, WriteOptions writeOpt, byte[] beginKey, byte[] endKey) Removes the database entries in the range ["beginKey", "endKey"), i.e., including "beginKey" and excluding "endKey". a non-OK status on error.
void	Transaction.deleteUntracked(ColumnFamilyHandle columnFamilyHandle, byte[] key) Similar to RocksDB.delete(ColumnFamilyHandle, byte[]), but operates on the transactions write batch.
void	Transaction.deleteUntracked(ColumnFamilyHandle columnFamilyHandle, byte[][] keyParts) Similar to Transaction.deleteUntracked(ColumnFamilyHandle, byte[]) but allows you to specify the key in several parts that will be concatenated together.
void	RocksDB.destroyColumnFamilyHandle(ColumnFamilyHandle columnFamilyHandle) Deletes native column family handle of given ColumnFamilyHandle Java object and removes reference from RocksDB.ownedColumnFamilyHandles.
void	RocksDB.dropColumnFamily(ColumnFamilyHandle columnFamilyHandle) Drops the column family specified by columnFamilyHandle.
void	RocksDB.flush(FlushOptions flushOptions, ColumnFamilyHandle columnFamilyHandle) Flush all memory table data.
byte[]	RocksDB.get(ColumnFamilyHandle columnFamilyHandle, byte[] key) The simplified version of get which returns a new byte array storing the value associated with the specified input key if any.
int	RocksDB.get(ColumnFamilyHandle columnFamilyHandle, byte[] key, byte[] value) Get the value associated with the specified key within column family.
byte[]	RocksDB.get(ColumnFamilyHandle columnFamilyHandle, byte[] key, int offset, int len) The simplified version of get which returns a new byte array storing the value associated with the specified input key if any.
int	RocksDB.get(ColumnFamilyHandle columnFamilyHandle, byte[] key, int offset, int len, byte[] value, int vOffset, int vLen) Get the value associated with the specified key within column family.
byte[]	RocksDB.get(ColumnFamilyHandle columnFamilyHandle, ReadOptions opt, byte[] key) The simplified version of get which returns a new byte array storing the value associated with the specified input key if any.
byte[]	Transaction.get(ColumnFamilyHandle columnFamilyHandle, ReadOptions readOptions, byte[] key) This function is similar to RocksDB.get(ColumnFamilyHandle, ReadOptions, byte[]) except it will also read pending changes in this transaction.
int	RocksDB.get(ColumnFamilyHandle columnFamilyHandle, ReadOptions opt, byte[] key, byte[] value) Get the value associated with the specified key within column family.
byte[]	RocksDB.get(ColumnFamilyHandle columnFamilyHandle, ReadOptions opt, byte[] key, int offset, int len) The simplified version of get which returns a new byte array storing the value associated with the specified input key if any.
int	RocksDB.get(ColumnFamilyHandle columnFamilyHandle, ReadOptions opt, byte[] key, int offset, int len, byte[] value, int vOffset, int vLen) Get the value associated with the specified key within column family.
int	RocksDB.get(ColumnFamilyHandle columnFamilyHandle, ReadOptions opt, ByteBuffer key, ByteBuffer value) Get the value associated with the specified key within column family.
RocksDB.CountAndSize	RocksDB.getApproximateMemTableStats(ColumnFamilyHandle columnFamilyHandle, Range range) This method is similar to RocksDB.getApproximateSizes(ColumnFamilyHandle, List, SizeApproximationFlag...), except that it returns approximate number of records and size in memtables.
long[]	RocksDB.getApproximateSizes(ColumnFamilyHandle columnFamilyHandle, List<Range> ranges, SizeApproximationFlag... sizeApproximationFlags) Get the approximate file system space used by keys in each range.
ColumnFamilyMetaData	RocksDB.getColumnFamilyMetaData(ColumnFamilyHandle columnFamilyHandle) Obtains the meta data of the specified column family of the DB.
byte[]	Transaction.getForUpdate(ReadOptions readOptions, ColumnFamilyHandle columnFamilyHandle, byte[] key, boolean exclusive) Same as Transaction.getForUpdate(ReadOptions, ColumnFamilyHandle, byte[], boolean, boolean) with doValidate=true.
byte[]	Transaction.getForUpdate(ReadOptions readOptions, ColumnFamilyHandle columnFamilyHandle, byte[] key, boolean exclusive, boolean doValidate) Read this key and ensure that this transaction will only be able to be committed if this key is not written outside this transaction after it has first been read (or after the snapshot if a snapshot is set in this transaction).
byte[]	WriteBatchWithIndex.getFromBatch(ColumnFamilyHandle columnFamilyHandle, DBOptions options, byte[] key) Similar to RocksDB.get(ColumnFamilyHandle, byte[]) but will only read the key from this batch.
byte[]	WriteBatchWithIndex.getFromBatchAndDB(RocksDB db, ColumnFamilyHandle columnFamilyHandle, ReadOptions options, byte[] key) Similar to RocksDB.get(ColumnFamilyHandle, byte[]) but will also read writes from this batch.
RocksIterator	Transaction.getIterator(ReadOptions readOptions, ColumnFamilyHandle columnFamilyHandle) Returns an iterator that will iterate on all keys in the column family specified by columnFamilyHandle including both keys in the DB and uncommitted keys in this transaction.
long	RocksDB.getLongProperty(ColumnFamilyHandle columnFamilyHandle, String property) Similar to GetProperty(), but only works for a subset of properties whose return value is a numerical value.
Map<String,String>	RocksDB.getMapProperty(ColumnFamilyHandle columnFamilyHandle, String property) Gets a property map.
MutableColumnFamilyOptions.MutableColumnFamilyOptionsBuilder	RocksDB.getOptions(ColumnFamilyHandle columnFamilyHandle) Get the options for the column family handle
Map<String,TableProperties>	RocksDB.getPropertiesOfAllTables(ColumnFamilyHandle columnFamilyHandle) Get the properties of all tables.
Map<String,TableProperties>	RocksDB.getPropertiesOfTablesInRange(ColumnFamilyHandle columnFamilyHandle, List<Range> ranges) Get the properties of tables in range.
String	RocksDB.getProperty(ColumnFamilyHandle columnFamilyHandle, String property) DB implements can export properties about their state via this method on a per column family level.
void	RocksDB.ingestExternalFile(ColumnFamilyHandle columnFamilyHandle, List<String> filePathList, IngestExternalFileOptions ingestExternalFileOptions) ingestExternalFile will load a list of external SST files (1) into the DB We will try to find the lowest possible level that the file can fit in, and ingest the file into this level (2).
boolean	RocksDB.keyMayExist(ColumnFamilyHandle columnFamilyHandle, byte[] key, Holder<byte[]> valueHolder) If the key definitely does not exist in the database, then this method returns false, otherwise it returns true if the key might exist.
boolean	RocksDB.keyMayExist(ColumnFamilyHandle columnFamilyHandle, byte[] key, int offset, int len, Holder<byte[]> valueHolder) If the key definitely does not exist in the database, then this method returns false, otherwise it returns true if the key might exist.
boolean	RocksDB.keyMayExist(ColumnFamilyHandle columnFamilyHandle, ByteBuffer key) If the key definitely does not exist in the database, then this method returns false, otherwise it returns true if the key might exist.
KeyMayExist	RocksDB.keyMayExist(ColumnFamilyHandle columnFamilyHandle, ByteBuffer key, ByteBuffer value) If the key definitely does not exist in the database, then this method returns KeyMayExist.KeyMayExistEnum.kNotExist, otherwise if it can with best effort retreive the value, it returns KeyMayExist.KeyMayExistEnum.kExistsWithValue otherwise it returns KeyMayExist.KeyMayExistEnum.kExistsWithoutValue.
boolean	RocksDB.keyMayExist(ColumnFamilyHandle columnFamilyHandle, ReadOptions readOptions, byte[] key, Holder<byte[]> valueHolder) If the key definitely does not exist in the database, then this method returns false, otherwise it returns true if the key might exist.
boolean	RocksDB.keyMayExist(ColumnFamilyHandle columnFamilyHandle, ReadOptions readOptions, byte[] key, int offset, int len, Holder<byte[]> valueHolder) If the key definitely does not exist in the database, then this method returns false, otherwise it returns true if the key might exist.
boolean	RocksDB.keyMayExist(ColumnFamilyHandle columnFamilyHandle, ReadOptions readOptions, ByteBuffer key) If the key definitely does not exist in the database, then this method returns false, otherwise it returns true if the key might exist.
KeyMayExist	RocksDB.keyMayExist(ColumnFamilyHandle columnFamilyHandle, ReadOptions readOptions, ByteBuffer key, ByteBuffer value) If the key definitely does not exist in the database, then this method returns KeyMayExist.KeyMayExistEnum.kNotExist, otherwise if it can with best effort retreive the value, it returns KeyMayExist.KeyMayExistEnum.kExistsWithValue otherwise it returns KeyMayExist.KeyMayExistEnum.kExistsWithoutValue.
int	RocksDB.level0StopWriteTrigger(ColumnFamilyHandle columnFamilyHandle) Number of files in level-0 that would stop writes.
int	RocksDB.maxMemCompactionLevel(ColumnFamilyHandle columnFamilyHandle) Maximum level to which a new compacted memtable is pushed if it does not create overlap.
void	AbstractWriteBatch.merge(ColumnFamilyHandle columnFamilyHandle, byte[] key, byte[] value)
void	RocksDB.merge(ColumnFamilyHandle columnFamilyHandle, byte[] key, byte[] value) Add merge operand for key/value pair in a ColumnFamily.
void	Transaction.merge(ColumnFamilyHandle columnFamilyHandle, byte[] key, byte[] value) Similar to Transaction.merge(ColumnFamilyHandle, byte[], byte[], boolean) but with assumeTracked = false.
void	WriteBatchInterface.merge(ColumnFamilyHandle columnFamilyHandle, byte[] key, byte[] value) Merge "value" with the existing value of "key" in given column family.
void	Transaction.merge(ColumnFamilyHandle columnFamilyHandle, byte[] key, byte[] value, boolean assumeTracked) Similar to RocksDB.merge(ColumnFamilyHandle, byte[], byte[]), but will also perform conflict checking on the keys be written.
void	RocksDB.merge(ColumnFamilyHandle columnFamilyHandle, byte[] key, int offset, int len, byte[] value, int vOffset, int vLen) Add merge operand for key/value pair in a ColumnFamily.
void	RocksDB.merge(ColumnFamilyHandle columnFamilyHandle, WriteOptions writeOpts, byte[] key, byte[] value) Add merge operand for key/value pair.
void	RocksDB.merge(ColumnFamilyHandle columnFamilyHandle, WriteOptions writeOpts, byte[] key, int offset, int len, byte[] value, int vOffset, int vLen) Add merge operand for key/value pair.
void	Transaction.mergeUntracked(ColumnFamilyHandle columnFamilyHandle, byte[] key, byte[] value) Similar to RocksDB.merge(ColumnFamilyHandle, byte[], byte[]), but operates on the transactions write batch.
RocksIterator	RocksDB.newIterator(ColumnFamilyHandle columnFamilyHandle) Return a heap-allocated iterator over the contents of a ColumnFamily.
WBWIRocksIterator	WriteBatchWithIndex.newIterator(ColumnFamilyHandle columnFamilyHandle) Create an iterator of a column family.
RocksIterator	RocksDB.newIterator(ColumnFamilyHandle columnFamilyHandle, ReadOptions readOptions) Return a heap-allocated iterator over the contents of a ColumnFamily.
RocksIterator	WriteBatchWithIndex.newIteratorWithBase(ColumnFamilyHandle columnFamilyHandle, RocksIterator baseIterator) Provides Read-Your-Own-Writes like functionality by creating a new Iterator that will use WBWIRocksIterator as a delta and baseIterator as a base Updating write batch with the current key of the iterator is not safe.
RocksIterator	WriteBatchWithIndex.newIteratorWithBase(ColumnFamilyHandle columnFamilyHandle, RocksIterator baseIterator, ReadOptions readOptions) Provides Read-Your-Own-Writes like functionality by creating a new Iterator that will use WBWIRocksIterator as a delta and baseIterator as a base Updating write batch with the current key of the iterator is not safe.
int	RocksDB.numberLevels(ColumnFamilyHandle columnFamilyHandle) Number of levels used for a column family in this DB.
void	AbstractEventListener.onColumnFamilyHandleDeletionStarted(ColumnFamilyHandle columnFamilyHandle)
void	EventListener.onColumnFamilyHandleDeletionStarted(ColumnFamilyHandle columnFamilyHandle) A callback function for RocksDB which will be called before a column family handle is deleted.
void	RocksDB.promoteL0(ColumnFamilyHandle columnFamilyHandle, int targetLevel) Promote L0.
void	Transaction.put(ColumnFamilyHandle columnFamilyHandle, byte[][] keyParts, byte[][] valueParts) Similar to Transaction.put(ColumnFamilyHandle, byte[][], byte[][], boolean) but with with assumeTracked = false.
void	Transaction.put(ColumnFamilyHandle columnFamilyHandle, byte[][] keyParts, byte[][] valueParts, boolean assumeTracked) Similar to Transaction.put(ColumnFamilyHandle, byte[], byte[]) but allows you to specify the key and value in several parts that will be concatenated together.
void	AbstractWriteBatch.put(ColumnFamilyHandle columnFamilyHandle, byte[] key, byte[] value)
void	RocksDB.put(ColumnFamilyHandle columnFamilyHandle, byte[] key, byte[] value) Set the database entry for "key" to "value" in the specified column family.
void	Transaction.put(ColumnFamilyHandle columnFamilyHandle, byte[] key, byte[] value) Similar to Transaction.put(ColumnFamilyHandle, byte[], byte[], boolean) but with assumeTracked = false.
void	WriteBatchInterface.put(ColumnFamilyHandle columnFamilyHandle, byte[] key, byte[] value) Store the mapping "key->value" within given column family.
void	Transaction.put(ColumnFamilyHandle columnFamilyHandle, byte[] key, byte[] value, boolean assumeTracked) Similar to RocksDB.put(ColumnFamilyHandle, byte[], byte[]), but will also perform conflict checking on the keys be written.
void	RocksDB.put(ColumnFamilyHandle columnFamilyHandle, byte[] key, int offset, int len, byte[] value, int vOffset, int vLen) Set the database entry for "key" to "value" in the specified column family.
void	AbstractWriteBatch.put(ColumnFamilyHandle columnFamilyHandle, ByteBuffer key, ByteBuffer value)
void	WriteBatchInterface.put(ColumnFamilyHandle columnFamilyHandle, ByteBuffer key, ByteBuffer value) Store the mapping "key->value" within given column family.
void	RocksDB.put(ColumnFamilyHandle columnFamilyHandle, WriteOptions writeOpts, byte[] key, byte[] value) Set the database entry for "key" to "value" for the specified column family.
void	RocksDB.put(ColumnFamilyHandle columnFamilyHandle, WriteOptions writeOpts, byte[] key, int offset, int len, byte[] value, int vOffset, int vLen) Set the database entry for "key" to "value" for the specified column family.
void	RocksDB.put(ColumnFamilyHandle columnFamilyHandle, WriteOptions writeOpts, ByteBuffer key, ByteBuffer value) Set the database entry for "key" to "value" for the specified column family.
void	Transaction.putUntracked(ColumnFamilyHandle columnFamilyHandle, byte[][] keyParts, byte[][] valueParts) Similar to Transaction.putUntracked(ColumnFamilyHandle, byte[], byte[]) but allows you to specify the key and value in several parts that will be concatenated together.
void	Transaction.putUntracked(ColumnFamilyHandle columnFamilyHandle, byte[] key, byte[] value) Similar to RocksDB.put(ColumnFamilyHandle, byte[], byte[]), but operates on the transactions write batch.
void	RocksDB.setOptions(ColumnFamilyHandle columnFamilyHandle, MutableColumnFamilyOptions mutableColumnFamilyOptions) Change the options for the column family handle.
void	AbstractWriteBatch.singleDelete(ColumnFamilyHandle columnFamilyHandle, byte[] key)
void	RocksDB.singleDelete(ColumnFamilyHandle columnFamilyHandle, byte[] key) Remove the database entry for key.
void	Transaction.singleDelete(ColumnFamilyHandle columnFamilyHandle, byte[] key) Similar to Transaction.singleDelete(ColumnFamilyHandle, byte[], boolean) but with assumeTracked = false.
void	WriteBatchInterface.singleDelete(ColumnFamilyHandle columnFamilyHandle, byte[] key) Remove the database entry for key.
void	Transaction.singleDelete(ColumnFamilyHandle columnFamilyHandle, byte[][] keyParts) Similar toTransaction.singleDelete(ColumnFamilyHandle, byte[][], boolean) but with assumeTracked = false.
void	Transaction.singleDelete(ColumnFamilyHandle columnFamilyHandle, byte[][] keyParts, boolean assumeTracked) Similar to Transaction.singleDelete(ColumnFamilyHandle, byte[]) but allows you to specify the key in several parts that will be concatenated together.
void	Transaction.singleDelete(ColumnFamilyHandle columnFamilyHandle, byte[] key, boolean assumeTracked) Similar to RocksDB.singleDelete(ColumnFamilyHandle, byte[]), but will also perform conflict checking on the keys be written.
void	RocksDB.singleDelete(ColumnFamilyHandle columnFamilyHandle, WriteOptions writeOpt, byte[] key) Remove the database entry for key.
Range	RocksDB.suggestCompactRange(ColumnFamilyHandle columnFamilyHandle) Suggest the range to compact.
void	Transaction.undoGetForUpdate(ColumnFamilyHandle columnFamilyHandle, byte[] key) If this key was previously fetched in this transaction using Transaction.getForUpdate(ReadOptions, ColumnFamilyHandle, byte[], boolean)/ Transaction.multiGetForUpdate(ReadOptions, List, byte[][]), calling Transaction.undoGetForUpdate(ColumnFamilyHandle, byte[]) will tell the transaction that it no longer needs to do any conflict checking for this key.

Method parameters in org.rocksdb with type arguments of type ColumnFamilyHandle

Modifier and Type	Method and Description
void	RocksDB.dropColumnFamilies(List<ColumnFamilyHandle> columnFamilies)
void	RocksDB.enableAutoCompaction(List<ColumnFamilyHandle> columnFamilyHandles) Enable automatic compactions for the given column families if they were previously disabled.
void	RocksDB.flush(FlushOptions flushOptions, List<ColumnFamilyHandle> columnFamilyHandles) Flushes multiple column families.
byte[][]	Transaction.multiGet(ReadOptions readOptions, List<ColumnFamilyHandle> columnFamilyHandles, byte[][] keys) Deprecated.
List<byte[]>	RocksDB.multiGetAsList(List<ColumnFamilyHandle> columnFamilyHandleList, List<byte[]> keys) Returns a list of values for the given list of keys.
List<byte[]>	RocksDB.multiGetAsList(ReadOptions opt, List<ColumnFamilyHandle> columnFamilyHandleList, List<byte[]> keys) Returns a list of values for the given list of keys.
List<byte[]>	Transaction.multiGetAsList(ReadOptions readOptions, List<ColumnFamilyHandle> columnFamilyHandles, List<byte[]> keys) This function is similar to RocksDB.multiGetAsList(ReadOptions, List, List) except it will also read pending changes in this transaction.
List<ByteBufferGetStatus>	RocksDB.multiGetByteBuffers(List<ColumnFamilyHandle> columnFamilyHandleList, List<ByteBuffer> keys, List<ByteBuffer> values) Fetches a list of values for the given list of keys.
List<ByteBufferGetStatus>	RocksDB.multiGetByteBuffers(ReadOptions readOptions, List<ColumnFamilyHandle> columnFamilyHandleList, List<ByteBuffer> keys, List<ByteBuffer> values) Fetches a list of values for the given list of keys.
byte[][]	Transaction.multiGetForUpdate(ReadOptions readOptions, List<ColumnFamilyHandle> columnFamilyHandles, byte[][] keys) Deprecated.
List<byte[]>	Transaction.multiGetForUpdateAsList(ReadOptions readOptions, List<ColumnFamilyHandle> columnFamilyHandles, List<byte[]> keys) A multi-key version of Transaction.getForUpdate(ReadOptions, ColumnFamilyHandle, byte[], boolean).
List<RocksIterator>	RocksDB.newIterators(List<ColumnFamilyHandle> columnFamilyHandleList) Returns iterators from a consistent database state across multiple column families.
List<RocksIterator>	RocksDB.newIterators(List<ColumnFamilyHandle> columnFamilyHandleList, ReadOptions readOptions) Returns iterators from a consistent database state across multiple column families.
static OptimisticTransactionDB	OptimisticTransactionDB.open(DBOptions dbOptions, String path, List<ColumnFamilyDescriptor> columnFamilyDescriptors, List<ColumnFamilyHandle> columnFamilyHandles) Open an OptimisticTransactionDB similar to RocksDB.open(DBOptions, String, List, List).
static RocksDB	RocksDB.open(DBOptions options, String path, List<ColumnFamilyDescriptor> columnFamilyDescriptors, List<ColumnFamilyHandle> columnFamilyHandles) The factory constructor of RocksDB that opens a RocksDB instance given the path to the database using the specified options and db path and a list of column family names.
static TtlDB	TtlDB.open(DBOptions options, String db_path, List<ColumnFamilyDescriptor> columnFamilyDescriptors, List<ColumnFamilyHandle> columnFamilyHandles, List<Integer> ttlValues, boolean readOnly) Opens a TtlDB.
static TransactionDB	TransactionDB.open(DBOptions dbOptions, TransactionDBOptions transactionDbOptions, String path, List<ColumnFamilyDescriptor> columnFamilyDescriptors, List<ColumnFamilyHandle> columnFamilyHandles) Open a TransactionDB, similar to RocksDB.open(DBOptions, String, List, List).
static RocksDB	RocksDB.open(String path, List<ColumnFamilyDescriptor> columnFamilyDescriptors, List<ColumnFamilyHandle> columnFamilyHandles) The factory constructor of RocksDB that opens a RocksDB instance given the path to the database using the specified options and db path and a list of column family names.
static RocksDB	RocksDB.openAsSecondary(DBOptions options, String path, String secondaryPath, List<ColumnFamilyDescriptor> columnFamilyDescriptors, List<ColumnFamilyHandle> columnFamilyHandles) Open DB as secondary instance with column families.
static RocksDB	RocksDB.openReadOnly(DBOptions options, String path, List<ColumnFamilyDescriptor> columnFamilyDescriptors, List<ColumnFamilyHandle> columnFamilyHandles) The factory constructor of RocksDB that opens a RocksDB instance in Read-Only mode given the path to the database using the specified options and db path.
static RocksDB	RocksDB.openReadOnly(DBOptions options, String path, List<ColumnFamilyDescriptor> columnFamilyDescriptors, List<ColumnFamilyHandle> columnFamilyHandles, boolean errorIfWalFileExists) The factory constructor of RocksDB that opens a RocksDB instance in Read-Only mode given the path to the database using the specified options and db path.
static RocksDB	RocksDB.openReadOnly(String path, List<ColumnFamilyDescriptor> columnFamilyDescriptors, List<ColumnFamilyHandle> columnFamilyHandles) The factory constructor of RocksDB that opens a RocksDB instance in Read-Only mode given the path to the database using the default options.