mirror of
https://github.com/status-im/nim-rocksdb.git
synced 2025-02-16 17:07:40 +00:00
cf1267e845
* Add support for optimistic transaction db. * Add keyMayExist to RocksDbRef. * Add support for write batch with index. * Allow empty keys to be used in API.
50 lines
1.7 KiB
Nim
50 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
|
|
OptimisticTxOptionsPtr* = ptr rocksdb_optimistictransaction_options_t
|
|
|
|
OptimisticTxOptionsRef* = ref object
|
|
cPtr: OptimisticTxOptionsPtr
|
|
autoClose*: bool # if true then close will be called when the transaction is closed
|
|
|
|
proc createOptimisticTxOptions*(autoClose = false): OptimisticTxOptionsRef =
|
|
OptimisticTxOptionsRef(
|
|
cPtr: rocksdb_optimistictransaction_options_create(), autoClose: autoClose
|
|
)
|
|
|
|
proc isClosed*(txOpts: OptimisticTxOptionsRef): bool {.inline.} =
|
|
txOpts.cPtr.isNil()
|
|
|
|
proc cPtr*(txOpts: OptimisticTxOptionsRef): OptimisticTxOptionsPtr =
|
|
doAssert not txOpts.isClosed()
|
|
txOpts.cPtr
|
|
|
|
template setOpt(nname, ntyp, ctyp: untyped) =
|
|
proc `nname=`*(txOpts: OptimisticTxOptionsRef, value: ntyp) =
|
|
doAssert not txOpts.isClosed()
|
|
`rocksdb_optimistictransaction_options_set nname`(txOpts.cPtr, value.ctyp)
|
|
|
|
setOpt setSnapshot, bool, uint8
|
|
|
|
proc defaultOptimisticTxOptions*(autoClose = false): OptimisticTxOptionsRef {.inline.} =
|
|
let txOpts = createOptimisticTxOptions(autoClose)
|
|
|
|
# TODO: set prefered defaults
|
|
txOpts
|
|
|
|
proc close*(txOpts: OptimisticTxOptionsRef) =
|
|
if not txOpts.isClosed():
|
|
rocksdb_optimistictransaction_options_destroy(txOpts.cPtr)
|
|
txOpts.cPtr = nil
|