Database.LevelDB.C

Description

Synopsis

• data LevelDB
• data LCache
• data LComparator
• data LIterator
• data LLogger
• data LOptions
• data LReadOptions
• data LSnapshot
• data LWriteBatch
• data LWriteOptions
• data LFilterPolicy
• type LevelDBPtr = Ptr LevelDB
• type CachePtr = Ptr LCache
• type ComparatorPtr = Ptr LComparator
• type IteratorPtr = Ptr LIterator
• type LoggerPtr = Ptr LLogger
• type OptionsPtr = Ptr LOptions
• type ReadOptionsPtr = Ptr LReadOptions
• type SnapshotPtr = Ptr LSnapshot
• type WriteBatchPtr = Ptr LWriteBatch
• type WriteOptionsPtr = Ptr LWriteOptions
• type FilterPolicyPtr = Ptr LFilterPolicy
• type DBName = CString
• type ErrPtr = Ptr CString
• type Key = CString
• type Val = CString
• newtype CompressionOpt = CompressionOpt {
  • compressionOpt :: CInt
  }
• noCompression :: CompressionOpt
• snappyCompression :: CompressionOpt
• c_leveldb_open :: OptionsPtr -> DBName -> ErrPtr -> IO LevelDBPtr
• c_leveldb_close :: LevelDBPtr -> IO ()
• c_leveldb_put :: LevelDBPtr -> WriteOptionsPtr -> Key -> CSize -> Val -> CSize -> ErrPtr -> IO ()
• c_leveldb_delete :: LevelDBPtr -> WriteOptionsPtr -> Key -> CSize -> ErrPtr -> IO ()
• c_leveldb_write :: LevelDBPtr -> WriteOptionsPtr -> WriteBatchPtr -> ErrPtr -> IO ()
• c_leveldb_get :: LevelDBPtr -> ReadOptionsPtr -> Key -> CSize -> Ptr CSize -> ErrPtr -> IO CString
• c_leveldb_create_snapshot :: LevelDBPtr -> IO SnapshotPtr
• c_leveldb_release_snapshot :: LevelDBPtr -> SnapshotPtr -> IO ()
• c_leveldb_property_value :: LevelDBPtr -> CString -> IO CString
• c_leveldb_approximate_sizes :: LevelDBPtr -> CInt -> Ptr CString -> Ptr CSize -> Ptr CString -> Ptr CSize -> Ptr Word64 -> IO ()
• c_leveldb_destroy_db :: OptionsPtr -> DBName -> ErrPtr -> IO ()
• c_leveldb_repair_db :: OptionsPtr -> DBName -> ErrPtr -> IO ()
• c_leveldb_create_iterator :: LevelDBPtr -> ReadOptionsPtr -> IO IteratorPtr
• c_leveldb_iter_destroy :: IteratorPtr -> IO ()
• c_leveldb_iter_valid :: IteratorPtr -> IO CUChar
• c_leveldb_iter_seek_to_first :: IteratorPtr -> IO ()
• c_leveldb_iter_seek_to_last :: IteratorPtr -> IO ()
• c_leveldb_iter_seek :: IteratorPtr -> Key -> CSize -> IO ()
• c_leveldb_iter_next :: IteratorPtr -> IO ()
• c_leveldb_iter_prev :: IteratorPtr -> IO ()
• c_leveldb_iter_key :: IteratorPtr -> Ptr CSize -> IO Key
• c_leveldb_iter_value :: IteratorPtr -> Ptr CSize -> IO Val
• c_leveldb_iter_get_error :: IteratorPtr -> ErrPtr -> IO ()
• c_leveldb_writebatch_create :: IO WriteBatchPtr
• c_leveldb_writebatch_destroy :: WriteBatchPtr -> IO ()
• c_leveldb_writebatch_clear :: WriteBatchPtr -> IO ()
• c_leveldb_writebatch_put :: WriteBatchPtr -> Key -> CSize -> Val -> CSize -> IO ()
• c_leveldb_writebatch_delete :: WriteBatchPtr -> Key -> CSize -> IO ()
• c_leveldb_writebatch_iterate :: WriteBatchPtr -> Ptr () -> FunPtr (Ptr () -> Key -> CSize -> Val -> CSize) -> FunPtr (Ptr () -> Key -> CSize) -> IO ()
• c_leveldb_options_create :: IO OptionsPtr
• c_leveldb_options_destroy :: OptionsPtr -> IO ()
• c_leveldb_options_set_comparator :: OptionsPtr -> ComparatorPtr -> IO ()
• c_leveldb_options_set_filter_policy :: OptionsPtr -> FilterPolicyPtr -> IO ()
• c_leveldb_options_set_create_if_missing :: OptionsPtr -> CUChar -> IO ()
• c_leveldb_options_set_error_if_exists :: OptionsPtr -> CUChar -> IO ()
• c_leveldb_options_set_paranoid_checks :: OptionsPtr -> CUChar -> IO ()
• c_leveldb_options_set_info_log :: OptionsPtr -> LoggerPtr -> IO ()
• c_leveldb_options_set_write_buffer_size :: OptionsPtr -> CSize -> IO ()
• c_leveldb_options_set_max_open_files :: OptionsPtr -> CInt -> IO ()
• c_leveldb_options_set_block_size :: OptionsPtr -> CSize -> IO ()
• c_leveldb_options_set_block_restart_interval :: OptionsPtr -> CInt -> IO ()
• c_leveldb_options_set_compression :: OptionsPtr -> CompressionOpt -> IO ()
• c_leveldb_options_set_cache :: OptionsPtr -> CachePtr -> IO ()
• type StatePtr = Ptr ()
• type Destructor = StatePtr -> ()
• type CompareFun = StatePtr -> CString -> CSize -> CString -> CSize -> IO CInt
• type NameFun = StatePtr -> CString
• mkCmp :: CompareFun -> IO (FunPtr CompareFun)
• mkDest :: Destructor -> IO (FunPtr Destructor)
• mkName :: NameFun -> IO (FunPtr NameFun)
• c_leveldb_comparator_create :: StatePtr -> FunPtr Destructor -> FunPtr CompareFun -> FunPtr NameFun -> IO ComparatorPtr
• c_leveldb_comparator_destroy :: ComparatorPtr -> IO ()
• type CreateFilterFun = StatePtr -> Ptr CString -> Ptr CSize -> CInt -> Ptr CSize -> IO CString
• type KeyMayMatchFun = StatePtr -> CString -> CSize -> CString -> CSize -> IO CUChar
• mkCF :: CreateFilterFun -> IO (FunPtr CreateFilterFun)
• mkKMM :: KeyMayMatchFun -> IO (FunPtr KeyMayMatchFun)
• c_leveldb_filterpolicy_create :: StatePtr -> FunPtr Destructor -> FunPtr CreateFilterFun -> FunPtr KeyMayMatchFun -> FunPtr NameFun -> IO FilterPolicyPtr
• c_leveldb_filterpolicy_destroy :: FilterPolicyPtr -> IO ()
• c_leveldb_filterpolicy_create_bloom :: CInt -> IO FilterPolicyPtr
• c_leveldb_readoptions_create :: IO ReadOptionsPtr
• c_leveldb_readoptions_destroy :: ReadOptionsPtr -> IO ()
• c_leveldb_readoptions_set_verify_checksums :: ReadOptionsPtr -> CUChar -> IO ()
• c_leveldb_readoptions_set_fill_cache :: ReadOptionsPtr -> CUChar -> IO ()
• c_leveldb_readoptions_set_snapshot :: ReadOptionsPtr -> SnapshotPtr -> IO ()
• c_leveldb_writeoptions_create :: IO WriteOptionsPtr
• c_leveldb_writeoptions_destroy :: WriteOptionsPtr -> IO ()
• c_leveldb_writeoptions_set_sync :: WriteOptionsPtr -> CUChar -> IO ()
• c_leveldb_cache_create_lru :: CSize -> IO CachePtr
• c_leveldb_cache_destroy :: CachePtr -> IO ()
• c_leveldb_major_version :: IO CInt
• c_leveldb_minor_version :: IO CInt

Documentation