Lmdb.Map

Contents

• Cursor Operations
  • Movements
    • Key and Value
    • Only Key
    • Only Value
    • No Data
  • Streaming
  • Writing
• Cursorless Operations
  • Reading
  • Writing

Synopsis

• move :: Cursor e k v -> Movement k -> IO (Maybe (KeyValue k v))
• first :: Cursor e k v -> IO (Maybe (KeyValue k v))
• last :: Cursor e k v -> IO (Maybe (KeyValue k v))
• next :: Cursor e k v -> IO (Maybe (KeyValue k v))
• prev :: Cursor e k v -> IO (Maybe (KeyValue k v))
• lookup :: Cursor e k v -> k -> IO (Maybe (KeyValue k v))
• lookupGte :: Cursor e k v -> k -> IO (Maybe (KeyValue k v))
• current :: Cursor e k v -> IO (KeyValue k v)
• nextKey :: Cursor e k v -> IO (Maybe k)
• lookupGteKey :: Cursor e k v -> k -> IO (Maybe k)
• currentKey :: Cursor e k v -> IO k
• nextValue :: Cursor e k v -> IO (Maybe v)
• currentValue :: Cursor e k v -> IO v
• first_ :: Cursor e k v -> IO Bool
• next_ :: Cursor e k v -> IO Bool
• forward :: Cursor e k v -> Producer' (KeyValue k v) IO ()
• backward :: Cursor e k v -> Producer' (KeyValue k v) IO ()
• firstForward :: Cursor e k v -> Producer' (KeyValue k v) IO ()
• lastBackward :: Cursor e k v -> Producer' (KeyValue k v) IO ()
• lookupForward :: Cursor e k v -> k -> Producer' (KeyValue k v) IO ()
• lookupGteForward :: Cursor e k v -> k -> Producer' (KeyValue k v) IO ()
• serverRequired :: forall e k v. Cursor e k v -> Movement k -> Server' (Movement k) (KeyValue k v) IO ()
• serverOptional :: Cursor e k v -> Movement k -> Server' (Movement k) (Maybe (KeyValue k v)) IO a
• insert :: Cursor ReadWrite k v -> k -> v -> IO ()
• insertSuccess :: Cursor ReadWrite k v -> k -> v -> IO Bool
• repsert :: Cursor ReadWrite k v -> k -> v -> IO ()
• lookup' :: Transaction ReadOnly -> Database k v -> k -> IO (Maybe v)
• insert' :: Transaction ReadWrite -> Database k v -> k -> v -> IO ()
• insertSuccess' :: Transaction ReadWrite -> Database k v -> k -> v -> IO Bool
• repsert' :: Transaction ReadWrite -> Database k v -> k -> v -> IO ()

Cursor Operations

Movements

Key and Value

Only Key

Only Value

No Data

Streaming

Writing

Cursorless Operations

Reading

Writing