zio-rocksdb
API
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zio-rocksdb/zio.rocksdb/RocksDB

RocksDB

zio.rocksdb.RocksDB
See theRocksDB companion object
trait RocksDB

Attributes

Companion
object
Graph
Supertypes
class Object
trait Matchable
class Any
Known subtypes
class Live

Members list

Value members

Abstract methods

def createColumnFamilies(columnFamilyDescriptors: List[ColumnFamilyDescriptor]): Task[List[ColumnFamilyHandle]]

Creates ColumnFamilies from a list of ColumnFamilyDescriptors

Creates ColumnFamilies from a list of ColumnFamilyDescriptors

Attributes

def createColumnFamilies(columnFamilyOptions: ColumnFamilyOptions, columnFamilyNames: List[Array[Byte]]): Task[List[ColumnFamilyHandle]]

Creates ColumnFamilies from a list of ColumnFamilyNames and ColumnFamilyOptions

Creates ColumnFamilies from a list of ColumnFamilyNames and ColumnFamilyOptions

Attributes

def createColumnFamily(columnFamilyDescriptor: ColumnFamilyDescriptor): Task[ColumnFamilyHandle]

Creates a new ColumnFamily from ColumnFamilyDescriptor

Creates a new ColumnFamily from ColumnFamilyDescriptor

Attributes

def delete(key: Array[Byte]): Task[Unit]

Delete a key from the default ColumnFamily in the database.

Delete a key from the default ColumnFamily in the database.

Attributes

def delete(cfHandle: ColumnFamilyHandle, key: Array[Byte]): Task[Unit]

Delete a key from a specific ColumnFamily in the database.

Delete a key from a specific ColumnFamily in the database.

Attributes

def dropColumnFamilies(columnFamilyHandles: List[ColumnFamilyHandle]): Task[Unit]

Deletes ColumnFamilies given a list of ColumnFamilyHandles

Deletes ColumnFamilies given a list of ColumnFamilyHandles

Attributes

def dropColumnFamily(columnFamilyHandle: ColumnFamilyHandle): Task[Unit]

Deletes a ColumnFamily

Deletes a ColumnFamily

Attributes

def flush(flushOptions: FlushOptions): Task[Unit]

Flush all memory table data

Flush all memory table data

Attributes

def flush(flushOptions: FlushOptions, columnFamilyHandle: ColumnFamilyHandle): Task[Unit]

Flush all memory table data.

Flush all memory table data.

Attributes

def flush(flushOptions: FlushOptions, columnFamilyHandles: List[ColumnFamilyHandle]): Task[Unit]

Flush multiple column families.

Flush multiple column families.

Attributes

def flushWal(sync: Boolean): Task[Unit]

Flush the WAL memory buffer to the file

Flush the WAL memory buffer to the file

Attributes

def get(key: Array[Byte]): Task[Option[Array[Byte]]]

Retrieve a key from the default ColumnFamily in the database.

Retrieve a key from the default ColumnFamily in the database.

Attributes

def get(cfHandle: ColumnFamilyHandle, key: Array[Byte]): Task[Option[Array[Byte]]]

Retrieve a key from a specific ColumnFamily in the database.

Retrieve a key from a specific ColumnFamily in the database.

Attributes

def initialHandles: Task[List[ColumnFamilyHandle]]

Retrieves the list of ColumnFamily handles the database was opened with.

Retrieves the list of ColumnFamily handles the database was opened with.

Caveats:

  • This list will only be populated if the database was opened with a specific list of column families.
  • The list will not be updated if column families are added/removed while the database is open.

Attributes

def multiGetAsList(keys: List[Array[Byte]]): Task[List[Option[Array[Byte]]]]

Retrieve multiple keys from the default ColumnFamily in the database. The resulting list corresponds (positionally) to the list of keys passed to the function.

Retrieve multiple keys from the default ColumnFamily in the database. The resulting list corresponds (positionally) to the list of keys passed to the function.

Attributes

def multiGetAsList(handles: List[ColumnFamilyHandle], keys: List[Array[Byte]]): Task[List[Option[Array[Byte]]]]

Retrieve multiple keys from specific ColumnFamilies in the database. The resulting list corresponds (positionally) to the list of keys passed to the function.

Retrieve multiple keys from specific ColumnFamilies in the database. The resulting list corresponds (positionally) to the list of keys passed to the function.

Attributes

def newIterator: Stream[Throwable, (Array[Byte], Array[Byte])]

Scans the default ColumnFamily in the database and emits the results as a ZStream.

Scans the default ColumnFamily in the database and emits the results as a ZStream.

Attributes

def newIterator(direction: Direction, position: Position): Stream[Throwable, (Array[Byte], Array[Byte])]

Scans the default ColumnFamily in the database and emits the results as a ZStream.

Scans the default ColumnFamily in the database and emits the results as a ZStream.

Attributes

def newIterator(cfHandle: ColumnFamilyHandle): Stream[Throwable, (Array[Byte], Array[Byte])]

Scans a specific ColumnFamily in the database and emits the results as a ZStream.

Scans a specific ColumnFamily in the database and emits the results as a ZStream.

Attributes

def newIterator(cfHandle: ColumnFamilyHandle, direction: Direction, position: Position): Stream[Throwable, (Array[Byte], Array[Byte])]

Scans a specific ColumnFamily in the database by specifying direction and position and emits the results as a ZStream.

Scans a specific ColumnFamily in the database by specifying direction and position and emits the results as a ZStream.

Attributes

def newIterators(cfHandles: List[ColumnFamilyHandle]): Stream[Throwable, (ColumnFamilyHandle, Stream[Throwable, (Array[Byte], Array[Byte])])]

Scans multiple ColumnFamilies in the database and emits the results in multiple streams, whereas the streams themselves are also emitted in a ZStream.

Scans multiple ColumnFamilies in the database and emits the results in multiple streams, whereas the streams themselves are also emitted in a ZStream.

Attributes

def put(key: Array[Byte], value: Array[Byte]): Task[Unit]

Writes a key to the default ColumnFamily in the database.

Writes a key to the default ColumnFamily in the database.

Attributes

def put(cfHandle: ColumnFamilyHandle, key: Array[Byte], value: Array[Byte]): Task[Unit]

Writes a key to a specific ColumnFamily in the database.

Writes a key to a specific ColumnFamily in the database.

Attributes

def write(writeOptions: WriteOptions, writeBatch: WriteBatch): Task[Unit]
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