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5f6282e8d4
* Column families support (#34) * Update library to support column families. If not specified, uses the 'default' column family. * Added tests for column family changes. * Update library version and readme. * Updated the librocksdb c library to the latest stable version. * Started rewrite of library. * Commit library rewrite progress. * Completed initial rewrite and refactored tests. * Completed implementation of backup engine. * Added tests for new types. * Completed tests for existing features. * Remove features not supported by older versions of RocksDB to fix CI (temporary fix). * Remove flush before backup support from BackupEngine to fix CI. * Transactions support (#36) * Update library to support column families. If not specified, uses the 'default' column family. * Added tests for column family changes. * Update library version and readme. * Updated the librocksdb c library to the latest stable version. * Started rewrite of library. * Commit library rewrite progress. * Completed initial rewrite and refactored tests. * Completed implementation of backup engine. * Added tests for new types. * Completed tests for existing features. * Remove features not supported by older versions of RocksDB to fix CI (temporary fix). * Remove flush before backup support from BackupEngine to fix CI. * Implemented RocksDB iterator. * Implemented pairs iterator. * Completed implementation of WriteBatch with tests. * Fix example code. * Completed implementation of TransactionDb. * Support setting default column family. * Remove unneeded usage of var for ref type parameters. * Completed transactiondb tests. * Improve and refactor rocksdb test. * Added support for ingesting sst files using the SstFileWriter. (#37) * Create ColFamilyReadOnly and ColFamilyReadWrite types for using a specific column family. * Use inline pragma for small procs and add lock to RocksDbRef type close to prevent double free. * Added documentation for the public API. * Initial implementation of sst filewriter. * Added tests for sstfilewriter. * Documentation minor improvements.
51 lines
1.7 KiB
Nim
51 lines
1.7 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
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../lib/librocksdb
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type
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ColFamilyHandlePtr* = ptr rocksdb_column_family_handle_t
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ColFamilyHandleRef* = ref object
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cPtr: ColFamilyHandlePtr
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proc newColFamilyHandle*(cPtr: ColFamilyHandlePtr): ColFamilyHandleRef =
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ColFamilyHandleRef(cPtr: cPtr)
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proc isClosed*(handle: ColFamilyHandleRef): bool {.inline.} =
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handle.cPtr.isNil()
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proc cPtr*(handle: ColFamilyHandleRef): ColFamilyHandlePtr =
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doAssert not handle.isClosed()
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handle.cPtr
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# TODO: These procs below will not work unless using the latest version of rocksdb
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# Currently, when installing librocksdb-dev on linux the RocksDb version used is 6.11.4
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# Need to complete this task: https://github.com/status-im/nim-rocksdb/issues/10
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# proc getId*(handle: ColFamilyHandleRef): int =
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# doAssert not handle.isClosed()
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# rocksdb_column_family_handle_get_id(handle.cPtr).int
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# proc getName*(handle: ColFamilyHandleRef): string =
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# doAssert not handle.isClosed()
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# var nameLen: csize_t
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# $rocksdb_column_family_handle_get_name(handle.cPtr, nameLen.addr)
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# proc isDefault*(handle: ColFamilyHandleRef): bool {.inline.} =
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# handle.getName() == DEFAULT_COLUMN_FAMILY_NAME
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proc close*(handle: ColFamilyHandleRef) =
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if not handle.isClosed():
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rocksdb_column_family_handle_destroy(handle.cPtr)
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handle.cPtr = nil
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