nim-rocksdb/rocksdb/columnfamily/cfhandle.nim

51 lines
1.7 KiB
Nim

# Nim-RocksDB
# Copyright 2024 Status Research & Development GmbH
# Licensed under either of
#
# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0)
# * GPL license, version 2.0, ([LICENSE-GPLv2](LICENSE-GPLv2) or https://www.gnu.org/licenses/old-licenses/gpl-2.0.en.html)
#
# at your option. This file may not be copied, modified, or distributed except according to those terms.
{.push raises: [].}
import
../lib/librocksdb
type
ColFamilyHandlePtr* = ptr rocksdb_column_family_handle_t
ColFamilyHandleRef* = ref object
cPtr: ColFamilyHandlePtr
proc newColFamilyHandle*(cPtr: ColFamilyHandlePtr): ColFamilyHandleRef =
ColFamilyHandleRef(cPtr: cPtr)
proc isClosed*(handle: ColFamilyHandleRef): bool {.inline.} =
handle.cPtr.isNil()
proc cPtr*(handle: ColFamilyHandleRef): ColFamilyHandlePtr =
doAssert not handle.isClosed()
handle.cPtr
# TODO: These procs below will not work unless using the latest version of rocksdb
# Currently, when installing librocksdb-dev on linux the RocksDb version used is 6.11.4
# Need to complete this task: https://github.com/status-im/nim-rocksdb/issues/10
# proc getId*(handle: ColFamilyHandleRef): int =
# doAssert not handle.isClosed()
# rocksdb_column_family_handle_get_id(handle.cPtr).int
# proc getName*(handle: ColFamilyHandleRef): string =
# doAssert not handle.isClosed()
# var nameLen: csize_t
# $rocksdb_column_family_handle_get_name(handle.cPtr, nameLen.addr)
# proc isDefault*(handle: ColFamilyHandleRef): bool {.inline.} =
# handle.getName() == DEFAULT_COLUMN_FAMILY_NAME
proc close*(handle: ColFamilyHandleRef) =
if not handle.isClosed():
rocksdb_column_family_handle_destroy(handle.cPtr)
handle.cPtr = nil