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https://github.com/status-im/nim-rocksdb.git
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6b7de5730b
* Update readme. * Add additional opts getters and setters for ReadOptionsRef and WriteOptionsRef. Updated BackupEngineOptionsRef to use newer c library type. * Add majority of option type getter and setters.
55 lines
1.8 KiB
Nim
55 lines
1.8 KiB
Nim
# Nim-RocksDB
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# Copyright 2024 Status Research & Development GmbH
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# Licensed under either of
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#
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# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0)
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# * GPL license, version 2.0, ([LICENSE-GPLv2](LICENSE-GPLv2) or https://www.gnu.org/licenses/old-licenses/gpl-2.0.en.html)
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#
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# at your option. This file may not be copied, modified, or distributed except according to those terms.
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{.push raises: [].}
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import ../lib/librocksdb
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type
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TransactionOptionsPtr* = ptr rocksdb_transaction_options_t
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TransactionOptionsRef* = ref object
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cPtr: TransactionOptionsPtr
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autoClose*: bool # if true then close will be called when the transaction is closed
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proc createTransactionOptions*(autoClose = false): TransactionOptionsRef =
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TransactionOptionsRef(
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cPtr: rocksdb_transaction_options_create(), autoClose: autoClose
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)
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proc isClosed*(txOpts: TransactionOptionsRef): bool {.inline.} =
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txOpts.cPtr.isNil()
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proc cPtr*(txOpts: TransactionOptionsRef): TransactionOptionsPtr =
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doAssert not txOpts.isClosed()
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txOpts.cPtr
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template setOpt(nname, ntyp, ctyp: untyped) =
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proc `nname=`*(txOpts: TransactionOptionsRef, value: ntyp) =
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doAssert not txOpts.isClosed()
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`rocksdb_transaction_options_set nname`(txOpts.cPtr, value.ctyp)
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setOpt setSnapshot, bool, uint8
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setOpt deadlockDetect, bool, uint8
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setOpt lockTimeout, int, int64
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setOpt deadlockDetectDepth, int, int64
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setOpt maxWriteBatchSize, int, csize_t
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setOpt skipPrepare, bool, uint8
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proc defaultTransactionOptions*(autoClose = false): TransactionOptionsRef {.inline.} =
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let txOpts = createTransactionOptions(autoClose)
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# TODO: set prefered defaults
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txOpts
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proc close*(txOpts: TransactionOptionsRef) =
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if not txOpts.isClosed():
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rocksdb_transaction_options_destroy(txOpts.cPtr)
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txOpts.cPtr = nil
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