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Add nim-rocksdb usage example
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mratsim
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README.md
84
README.md
@ -4,6 +4,90 @@
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A Nim wrapper for [Facebook's RocksDB](https://github.com/facebook/rocksdb), a persistent key-value store for Flash and RAM Storage.
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## Current status
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Nim-RocksDB currently provides a wrapper for the low-level functions of RocksDB
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## Usage
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See [simple_example](examples/simple_example.nim)
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```nim
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import rocksdb, cpuinfo
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const
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dbPath: cstring = "/tmp/rocksdb_simple_example"
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dbBackupPath: cstring = "/tmp/rocksdb_simple_example_backup"
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proc main() =
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var
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db: ptr rocksdb_t
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be: ptr rocksdb_backup_engine_t
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options = rocksdb_options_create()
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# Optimize RocksDB. This is the easiest way to
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# get RocksDB to perform well
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let cpus = countProcessors()
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rocksdb_options_increase_parallelism(options, cpus.int32)
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rocksdb_options_optimize_level_style_compaction(options, 0);
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# create the DB if it's not already present
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rocksdb_options_set_create_if_missing(options, 1);
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# open DB
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var err: cstringArray
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db = rocksdb_open(options, dbPath, err)
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doAssert err.isNil
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# open Backup Engine that we will use for backing up our database
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be = rocksdb_backup_engine_open(options, dbBackupPath, err)
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doAssert err.isNil
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# Put key-value
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var writeOptions = rocksdb_writeoptions_create()
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let key: cstring = "key"
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let value: cstring = "value"
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rocksdb_put(db, writeOptions, key, key.len, value, value.len, err)
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doAssert err.isNil
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# Get value
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var readOptions = rocksdb_readoptions_create()
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var len: csize
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let returned_value = rocksdb_get(db, readOptions, key, key.len, addr len, err)
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doAssert err.isNil
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doAssert returned_value == value
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# create new backup in a directory specified by DBBackupPath
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rocksdb_backup_engine_create_new_backup(be, db, err)
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doAssert err.isNil
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rocksdb_close(db)
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# If something is wrong, you might want to restore data from last backup
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var restoreOptions = rocksdb_restore_options_create()
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rocksdb_backup_engine_restore_db_from_latest_backup(be, dbPath, dbPath,
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restoreOptions, err)
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doAssert err.isNil
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rocksdb_restore_options_destroy(restore_options)
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db = rocksdb_open(options, dbPath, err)
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doAssert err.isNil
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# cleanup
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rocksdb_writeoptions_destroy(writeOptions)
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rocksdb_readoptions_destroy(readOptions)
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rocksdb_options_destroy(options)
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rocksdb_backup_engine_close(be)
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rocksdb_close(db)
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main()
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```
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## Future directions
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In the future, Nim-RocksDB might provide a high-level API that:
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- is more in line with Nim conventions (types in CamelCase),
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- automatically checks for errors,
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- leverage Nim features like destructors for automatic resource cleanup.
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## License
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66
examples/simple_example.nim
Normal file
66
examples/simple_example.nim
Normal file
@ -0,0 +1,66 @@
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import rocksdb, cpuinfo
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const
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dbPath: cstring = "/tmp/rocksdb_simple_example"
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dbBackupPath: cstring = "/tmp/rocksdb_simple_example_backup"
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proc main() =
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var
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db: ptr rocksdb_t
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be: ptr rocksdb_backup_engine_t
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options = rocksdb_options_create()
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# Optimize RocksDB. This is the easiest way to
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# get RocksDB to perform well
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let cpus = countProcessors()
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rocksdb_options_increase_parallelism(options, cpus.int32)
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rocksdb_options_optimize_level_style_compaction(options, 0);
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# create the DB if it's not already present
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rocksdb_options_set_create_if_missing(options, 1);
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# open DB
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var err: cstringArray
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db = rocksdb_open(options, dbPath, err)
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doAssert err.isNil
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# open Backup Engine that we will use for backing up our database
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be = rocksdb_backup_engine_open(options, dbBackupPath, err)
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doAssert err.isNil
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# Put key-value
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var writeOptions = rocksdb_writeoptions_create()
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let key: cstring = "key"
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let value: cstring = "value"
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rocksdb_put(db, writeOptions, key, key.len, value, value.len, err)
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doAssert err.isNil
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# Get value
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var readOptions = rocksdb_readoptions_create()
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var len: csize
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let returned_value = rocksdb_get(db, readOptions, key, key.len, addr len, err)
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doAssert err.isNil
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doAssert returned_value == value
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# create new backup in a directory specified by DBBackupPath
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rocksdb_backup_engine_create_new_backup(be, db, err)
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doAssert err.isNil
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rocksdb_close(db)
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# If something is wrong, you might want to restore data from last backup
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var restoreOptions = rocksdb_restore_options_create()
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rocksdb_backup_engine_restore_db_from_latest_backup(be, dbPath, dbPath,
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restoreOptions, err)
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doAssert err.isNil
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rocksdb_restore_options_destroy(restore_options)
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db = rocksdb_open(options, dbPath, err)
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doAssert err.isNil
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# cleanup
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rocksdb_writeoptions_destroy(writeOptions)
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rocksdb_readoptions_destroy(readOptions)
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rocksdb_options_destroy(options)
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rocksdb_backup_engine_close(be)
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rocksdb_close(db)
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main()
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@ -66,6 +66,7 @@
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# mangle int16_t int16
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# mangle int8_t int8
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# mangle int64_t int64
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# mangle cuchar uint8
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#else
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# ifdef _WIN32
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# ifdef ROCKSDB_DLL
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@ -87,7 +87,7 @@ type
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proc rocksdb_open*(options: ptr rocksdb_options_t; name: cstring; errptr: cstringArray): ptr rocksdb_t {.
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cdecl, importc: "rocksdb_open", dynlib: librocksdb.}
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proc rocksdb_open_for_read_only*(options: ptr rocksdb_options_t; name: cstring;
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error_if_log_file_exist: cuchar;
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error_if_log_file_exist: uint8;
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errptr: cstringArray): ptr rocksdb_t {.cdecl,
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importc: "rocksdb_open_for_read_only", dynlib: librocksdb.}
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proc rocksdb_backup_engine_open*(options: ptr rocksdb_options_t; path: cstring;
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@ -149,7 +149,7 @@ proc rocksdb_open_for_read_only_column_families*(options: ptr rocksdb_options_t;
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name: cstring; num_column_families: cint; column_family_names: cstringArray;
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column_family_options: ptr ptr rocksdb_options_t;
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column_family_handles: ptr ptr rocksdb_column_family_handle_t;
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error_if_log_file_exist: cuchar; errptr: cstringArray): ptr rocksdb_t {.cdecl,
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error_if_log_file_exist: uint8; errptr: cstringArray): ptr rocksdb_t {.cdecl,
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importc: "rocksdb_open_for_read_only_column_families", dynlib: librocksdb.}
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proc rocksdb_list_column_families*(options: ptr rocksdb_options_t; name: cstring;
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lencf: ptr csize; errptr: cstringArray): cstringArray {.
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@ -295,7 +295,7 @@ proc rocksdb_flush*(db: ptr rocksdb_t; options: ptr rocksdb_flushoptions_t;
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dynlib: librocksdb.}
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proc rocksdb_disable_file_deletions*(db: ptr rocksdb_t; errptr: cstringArray) {.cdecl,
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importc: "rocksdb_disable_file_deletions", dynlib: librocksdb.}
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proc rocksdb_enable_file_deletions*(db: ptr rocksdb_t; force: cuchar;
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proc rocksdb_enable_file_deletions*(db: ptr rocksdb_t; force: uint8;
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errptr: cstringArray) {.cdecl,
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importc: "rocksdb_enable_file_deletions", dynlib: librocksdb.}
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## Management operations
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@ -310,7 +310,7 @@ proc rocksdb_repair_db*(options: ptr rocksdb_options_t; name: cstring;
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proc rocksdb_iter_destroy*(a2: ptr rocksdb_iterator_t) {.cdecl,
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importc: "rocksdb_iter_destroy", dynlib: librocksdb.}
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proc rocksdb_iter_valid*(a2: ptr rocksdb_iterator_t): cuchar {.cdecl,
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proc rocksdb_iter_valid*(a2: ptr rocksdb_iterator_t): uint8 {.cdecl,
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importc: "rocksdb_iter_valid", dynlib: librocksdb.}
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proc rocksdb_iter_seek_to_first*(a2: ptr rocksdb_iterator_t) {.cdecl,
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importc: "rocksdb_iter_seek_to_first", dynlib: librocksdb.}
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@ -430,7 +430,7 @@ proc rocksdb_writebatch_pop_save_point*(a2: ptr rocksdb_writebatch_t;
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importc: "rocksdb_writebatch_pop_save_point", dynlib: librocksdb.}
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## Write batch with index
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proc rocksdb_writebatch_wi_create*(reserved_bytes: csize; overwrite_keys: cuchar): ptr rocksdb_writebatch_wi_t {.
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proc rocksdb_writebatch_wi_create*(reserved_bytes: csize; overwrite_keys: uint8): ptr rocksdb_writebatch_wi_t {.
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cdecl, importc: "rocksdb_writebatch_wi_create", dynlib: librocksdb.}
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proc rocksdb_writebatch_wi_create_from*(rep: cstring; size: csize): ptr rocksdb_writebatch_wi_t {.
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cdecl, importc: "rocksdb_writebatch_wi_create_from", dynlib: librocksdb.}
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@ -583,11 +583,11 @@ proc rocksdb_block_based_options_set_metadata_block_size*(
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cdecl, importc: "rocksdb_block_based_options_set_metadata_block_size",
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dynlib: librocksdb.}
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proc rocksdb_block_based_options_set_partition_filters*(
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options: ptr rocksdb_block_based_table_options_t; partition_filters: cuchar) {.
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options: ptr rocksdb_block_based_table_options_t; partition_filters: uint8) {.
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cdecl, importc: "rocksdb_block_based_options_set_partition_filters",
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dynlib: librocksdb.}
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proc rocksdb_block_based_options_set_use_delta_encoding*(
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options: ptr rocksdb_block_based_table_options_t; use_delta_encoding: cuchar) {.
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options: ptr rocksdb_block_based_table_options_t; use_delta_encoding: uint8) {.
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cdecl, importc: "rocksdb_block_based_options_set_use_delta_encoding",
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dynlib: librocksdb.}
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proc rocksdb_block_based_options_set_filter_policy*(
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@ -595,9 +595,8 @@ proc rocksdb_block_based_options_set_filter_policy*(
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filter_policy: ptr rocksdb_filterpolicy_t) {.cdecl,
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importc: "rocksdb_block_based_options_set_filter_policy", dynlib: librocksdb.}
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proc rocksdb_block_based_options_set_no_block_cache*(
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options: ptr rocksdb_block_based_table_options_t; no_block_cache: cuchar) {.
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cdecl, importc: "rocksdb_block_based_options_set_no_block_cache",
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dynlib: librocksdb.}
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options: ptr rocksdb_block_based_table_options_t; no_block_cache: uint8) {.cdecl,
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importc: "rocksdb_block_based_options_set_no_block_cache", dynlib: librocksdb.}
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proc rocksdb_block_based_options_set_block_cache*(
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options: ptr rocksdb_block_based_table_options_t;
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block_cache: ptr rocksdb_cache_t) {.cdecl, importc: "rocksdb_block_based_options_set_block_cache",
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@ -608,7 +607,7 @@ proc rocksdb_block_based_options_set_block_cache_compressed*(
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importc: "rocksdb_block_based_options_set_block_cache_compressed",
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dynlib: librocksdb.}
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proc rocksdb_block_based_options_set_whole_key_filtering*(
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a2: ptr rocksdb_block_based_table_options_t; a3: cuchar) {.cdecl,
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a2: ptr rocksdb_block_based_table_options_t; a3: uint8) {.cdecl,
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importc: "rocksdb_block_based_options_set_whole_key_filtering",
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dynlib: librocksdb.}
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proc rocksdb_block_based_options_set_format_version*(
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@ -625,18 +624,18 @@ proc rocksdb_block_based_options_set_index_type*(
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## uses one of the above enums
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proc rocksdb_block_based_options_set_hash_index_allow_collision*(
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a2: ptr rocksdb_block_based_table_options_t; a3: cuchar) {.cdecl,
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a2: ptr rocksdb_block_based_table_options_t; a3: uint8) {.cdecl,
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importc: "rocksdb_block_based_options_set_hash_index_allow_collision",
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dynlib: librocksdb.}
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proc rocksdb_block_based_options_set_cache_index_and_filter_blocks*(
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a2: ptr rocksdb_block_based_table_options_t; a3: cuchar) {.cdecl,
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a2: ptr rocksdb_block_based_table_options_t; a3: uint8) {.cdecl,
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importc: "rocksdb_block_based_options_set_cache_index_and_filter_blocks",
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dynlib: librocksdb.}
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proc rocksdb_block_based_options_set_cache_index_and_filter_blocks_with_high_priority*(
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a2: ptr rocksdb_block_based_table_options_t; a3: cuchar) {.cdecl, importc: "rocksdb_block_based_options_set_cache_index_and_filter_blocks_with_high_priority",
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a2: ptr rocksdb_block_based_table_options_t; a3: uint8) {.cdecl, importc: "rocksdb_block_based_options_set_cache_index_and_filter_blocks_with_high_priority",
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dynlib: librocksdb.}
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proc rocksdb_block_based_options_set_pin_l0_filter_and_index_blocks_in_cache*(
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a2: ptr rocksdb_block_based_table_options_t; a3: cuchar) {.cdecl, importc: "rocksdb_block_based_options_set_pin_l0_filter_and_index_blocks_in_cache",
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a2: ptr rocksdb_block_based_table_options_t; a3: uint8) {.cdecl, importc: "rocksdb_block_based_options_set_pin_l0_filter_and_index_blocks_in_cache",
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dynlib: librocksdb.}
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proc rocksdb_options_set_block_based_table_factory*(opt: ptr rocksdb_options_t;
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table_options: ptr rocksdb_block_based_table_options_t) {.cdecl,
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@ -657,11 +656,11 @@ proc rocksdb_cuckoo_options_set_cuckoo_block_size*(
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options: ptr rocksdb_cuckoo_table_options_t; v: uint32) {.cdecl,
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importc: "rocksdb_cuckoo_options_set_cuckoo_block_size", dynlib: librocksdb.}
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proc rocksdb_cuckoo_options_set_identity_as_first_hash*(
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options: ptr rocksdb_cuckoo_table_options_t; v: cuchar) {.cdecl,
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options: ptr rocksdb_cuckoo_table_options_t; v: uint8) {.cdecl,
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importc: "rocksdb_cuckoo_options_set_identity_as_first_hash",
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dynlib: librocksdb.}
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proc rocksdb_cuckoo_options_set_use_module_hash*(
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options: ptr rocksdb_cuckoo_table_options_t; v: cuchar) {.cdecl,
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options: ptr rocksdb_cuckoo_table_options_t; v: uint8) {.cdecl,
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importc: "rocksdb_cuckoo_options_set_use_module_hash", dynlib: librocksdb.}
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proc rocksdb_options_set_cuckoo_table_factory*(opt: ptr rocksdb_options_t;
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table_options: ptr rocksdb_cuckoo_table_options_t) {.cdecl,
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@ -688,7 +687,7 @@ proc rocksdb_options_optimize_universal_style_compaction*(
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opt: ptr rocksdb_options_t; memtable_memory_budget: uint64) {.cdecl,
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importc: "rocksdb_options_optimize_universal_style_compaction",
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dynlib: librocksdb.}
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proc rocksdb_options_set_allow_ingest_behind*(a2: ptr rocksdb_options_t; a3: cuchar) {.
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proc rocksdb_options_set_allow_ingest_behind*(a2: ptr rocksdb_options_t; a3: uint8) {.
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cdecl, importc: "rocksdb_options_set_allow_ingest_behind", dynlib: librocksdb.}
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proc rocksdb_options_set_compaction_filter*(a2: ptr rocksdb_options_t;
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a3: ptr rocksdb_compactionfilter_t) {.cdecl, importc: "rocksdb_options_set_compaction_filter",
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@ -710,14 +709,14 @@ proc rocksdb_options_set_uint64add_merge_operator*(a2: ptr rocksdb_options_t) {.
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proc rocksdb_options_set_compression_per_level*(opt: ptr rocksdb_options_t;
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level_values: ptr cint; num_levels: csize) {.cdecl,
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importc: "rocksdb_options_set_compression_per_level", dynlib: librocksdb.}
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proc rocksdb_options_set_create_if_missing*(a2: ptr rocksdb_options_t; a3: cuchar) {.
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proc rocksdb_options_set_create_if_missing*(a2: ptr rocksdb_options_t; a3: uint8) {.
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cdecl, importc: "rocksdb_options_set_create_if_missing", dynlib: librocksdb.}
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proc rocksdb_options_set_create_missing_column_families*(
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a2: ptr rocksdb_options_t; a3: cuchar) {.cdecl, importc: "rocksdb_options_set_create_missing_column_families",
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dynlib: librocksdb.}
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proc rocksdb_options_set_error_if_exists*(a2: ptr rocksdb_options_t; a3: cuchar) {.
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a2: ptr rocksdb_options_t; a3: uint8) {.cdecl, importc: "rocksdb_options_set_create_missing_column_families",
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dynlib: librocksdb.}
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proc rocksdb_options_set_error_if_exists*(a2: ptr rocksdb_options_t; a3: uint8) {.
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cdecl, importc: "rocksdb_options_set_error_if_exists", dynlib: librocksdb.}
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proc rocksdb_options_set_paranoid_checks*(a2: ptr rocksdb_options_t; a3: cuchar) {.
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proc rocksdb_options_set_paranoid_checks*(a2: ptr rocksdb_options_t; a3: uint8) {.
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cdecl, importc: "rocksdb_options_set_paranoid_checks", dynlib: librocksdb.}
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proc rocksdb_options_set_db_paths*(a2: ptr rocksdb_options_t;
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path_values: ptr ptr rocksdb_dbpath_t;
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@ -771,8 +770,8 @@ proc rocksdb_options_set_max_bytes_for_level_base*(a2: ptr rocksdb_options_t;
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a3: uint64) {.cdecl, importc: "rocksdb_options_set_max_bytes_for_level_base",
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dynlib: librocksdb.}
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proc rocksdb_options_set_level_compaction_dynamic_level_bytes*(
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a2: ptr rocksdb_options_t; a3: cuchar) {.cdecl, importc: "rocksdb_options_set_level_compaction_dynamic_level_bytes",
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dynlib: librocksdb.}
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a2: ptr rocksdb_options_t; a3: uint8) {.cdecl, importc: "rocksdb_options_set_level_compaction_dynamic_level_bytes",
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dynlib: librocksdb.}
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proc rocksdb_options_set_max_bytes_for_level_multiplier*(
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a2: ptr rocksdb_options_t; a3: cdouble) {.cdecl,
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importc: "rocksdb_options_set_max_bytes_for_level_multiplier",
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@ -784,7 +783,7 @@ proc rocksdb_options_set_max_bytes_for_level_multiplier_additional*(
|
||||
proc rocksdb_options_enable_statistics*(a2: ptr rocksdb_options_t) {.cdecl,
|
||||
importc: "rocksdb_options_enable_statistics", dynlib: librocksdb.}
|
||||
proc rocksdb_options_set_skip_stats_update_on_db_open*(
|
||||
opt: ptr rocksdb_options_t; val: cuchar) {.cdecl,
|
||||
opt: ptr rocksdb_options_t; val: uint8) {.cdecl,
|
||||
importc: "rocksdb_options_set_skip_stats_update_on_db_open",
|
||||
dynlib: librocksdb.}
|
||||
## returns a pointer to a malloc()-ed, null terminated string
|
||||
@ -855,31 +854,30 @@ proc rocksdb_options_set_manifest_preallocation_size*(a2: ptr rocksdb_options_t;
|
||||
a3: csize) {.cdecl, importc: "rocksdb_options_set_manifest_preallocation_size",
|
||||
dynlib: librocksdb.}
|
||||
proc rocksdb_options_set_purge_redundant_kvs_while_flush*(
|
||||
a2: ptr rocksdb_options_t; a3: cuchar) {.cdecl, importc: "rocksdb_options_set_purge_redundant_kvs_while_flush",
|
||||
dynlib: librocksdb.}
|
||||
proc rocksdb_options_set_allow_mmap_reads*(a2: ptr rocksdb_options_t; a3: cuchar) {.
|
||||
a2: ptr rocksdb_options_t; a3: uint8) {.cdecl, importc: "rocksdb_options_set_purge_redundant_kvs_while_flush",
|
||||
dynlib: librocksdb.}
|
||||
proc rocksdb_options_set_allow_mmap_reads*(a2: ptr rocksdb_options_t; a3: uint8) {.
|
||||
cdecl, importc: "rocksdb_options_set_allow_mmap_reads", dynlib: librocksdb.}
|
||||
proc rocksdb_options_set_allow_mmap_writes*(a2: ptr rocksdb_options_t; a3: cuchar) {.
|
||||
proc rocksdb_options_set_allow_mmap_writes*(a2: ptr rocksdb_options_t; a3: uint8) {.
|
||||
cdecl, importc: "rocksdb_options_set_allow_mmap_writes", dynlib: librocksdb.}
|
||||
proc rocksdb_options_set_use_direct_reads*(a2: ptr rocksdb_options_t; a3: cuchar) {.
|
||||
proc rocksdb_options_set_use_direct_reads*(a2: ptr rocksdb_options_t; a3: uint8) {.
|
||||
cdecl, importc: "rocksdb_options_set_use_direct_reads", dynlib: librocksdb.}
|
||||
proc rocksdb_options_set_use_direct_io_for_flush_and_compaction*(
|
||||
a2: ptr rocksdb_options_t; a3: cuchar) {.cdecl, importc: "rocksdb_options_set_use_direct_io_for_flush_and_compaction",
|
||||
dynlib: librocksdb.}
|
||||
proc rocksdb_options_set_is_fd_close_on_exec*(a2: ptr rocksdb_options_t; a3: cuchar) {.
|
||||
a2: ptr rocksdb_options_t; a3: uint8) {.cdecl, importc: "rocksdb_options_set_use_direct_io_for_flush_and_compaction",
|
||||
dynlib: librocksdb.}
|
||||
proc rocksdb_options_set_is_fd_close_on_exec*(a2: ptr rocksdb_options_t; a3: uint8) {.
|
||||
cdecl, importc: "rocksdb_options_set_is_fd_close_on_exec", dynlib: librocksdb.}
|
||||
proc rocksdb_options_set_skip_log_error_on_recovery*(a2: ptr rocksdb_options_t;
|
||||
a3: cuchar) {.cdecl, importc: "rocksdb_options_set_skip_log_error_on_recovery",
|
||||
dynlib: librocksdb.}
|
||||
a3: uint8) {.cdecl, importc: "rocksdb_options_set_skip_log_error_on_recovery",
|
||||
dynlib: librocksdb.}
|
||||
proc rocksdb_options_set_stats_dump_period_sec*(a2: ptr rocksdb_options_t; a3: cuint) {.
|
||||
cdecl, importc: "rocksdb_options_set_stats_dump_period_sec", dynlib: librocksdb.}
|
||||
proc rocksdb_options_set_advise_random_on_open*(a2: ptr rocksdb_options_t;
|
||||
a3: cuchar) {.cdecl, importc: "rocksdb_options_set_advise_random_on_open",
|
||||
dynlib: librocksdb.}
|
||||
proc rocksdb_options_set_advise_random_on_open*(a2: ptr rocksdb_options_t; a3: uint8) {.
|
||||
cdecl, importc: "rocksdb_options_set_advise_random_on_open", dynlib: librocksdb.}
|
||||
proc rocksdb_options_set_access_hint_on_compaction_start*(
|
||||
a2: ptr rocksdb_options_t; a3: cint) {.cdecl, importc: "rocksdb_options_set_access_hint_on_compaction_start",
|
||||
dynlib: librocksdb.}
|
||||
proc rocksdb_options_set_use_adaptive_mutex*(a2: ptr rocksdb_options_t; a3: cuchar) {.
|
||||
proc rocksdb_options_set_use_adaptive_mutex*(a2: ptr rocksdb_options_t; a3: uint8) {.
|
||||
cdecl, importc: "rocksdb_options_set_use_adaptive_mutex", dynlib: librocksdb.}
|
||||
proc rocksdb_options_set_bytes_per_sync*(a2: ptr rocksdb_options_t; a3: uint64) {.
|
||||
cdecl, importc: "rocksdb_options_set_bytes_per_sync", dynlib: librocksdb.}
|
||||
@ -889,11 +887,11 @@ proc rocksdb_options_set_writable_file_max_buffer_size*(
|
||||
a2: ptr rocksdb_options_t; a3: uint64) {.cdecl, importc: "rocksdb_options_set_writable_file_max_buffer_size",
|
||||
dynlib: librocksdb.}
|
||||
proc rocksdb_options_set_allow_concurrent_memtable_write*(
|
||||
a2: ptr rocksdb_options_t; a3: cuchar) {.cdecl, importc: "rocksdb_options_set_allow_concurrent_memtable_write",
|
||||
dynlib: librocksdb.}
|
||||
a2: ptr rocksdb_options_t; a3: uint8) {.cdecl, importc: "rocksdb_options_set_allow_concurrent_memtable_write",
|
||||
dynlib: librocksdb.}
|
||||
proc rocksdb_options_set_enable_write_thread_adaptive_yield*(
|
||||
a2: ptr rocksdb_options_t; a3: cuchar) {.cdecl, importc: "rocksdb_options_set_enable_write_thread_adaptive_yield",
|
||||
dynlib: librocksdb.}
|
||||
a2: ptr rocksdb_options_t; a3: uint8) {.cdecl, importc: "rocksdb_options_set_enable_write_thread_adaptive_yield",
|
||||
dynlib: librocksdb.}
|
||||
proc rocksdb_options_set_max_sequential_skip_in_iterations*(
|
||||
a2: ptr rocksdb_options_t; a3: uint64) {.cdecl, importc: "rocksdb_options_set_max_sequential_skip_in_iterations",
|
||||
dynlib: librocksdb.}
|
||||
@ -935,8 +933,8 @@ proc rocksdb_options_set_max_successive_merges*(a2: ptr rocksdb_options_t; a3: c
|
||||
proc rocksdb_options_set_bloom_locality*(a2: ptr rocksdb_options_t; a3: uint32) {.
|
||||
cdecl, importc: "rocksdb_options_set_bloom_locality", dynlib: librocksdb.}
|
||||
proc rocksdb_options_set_inplace_update_support*(a2: ptr rocksdb_options_t;
|
||||
a3: cuchar) {.cdecl, importc: "rocksdb_options_set_inplace_update_support",
|
||||
dynlib: librocksdb.}
|
||||
a3: uint8) {.cdecl, importc: "rocksdb_options_set_inplace_update_support",
|
||||
dynlib: librocksdb.}
|
||||
proc rocksdb_options_set_inplace_update_num_locks*(a2: ptr rocksdb_options_t;
|
||||
a3: csize) {.cdecl, importc: "rocksdb_options_set_inplace_update_num_locks",
|
||||
dynlib: librocksdb.}
|
||||
@ -992,22 +990,22 @@ proc rocksdb_compactionfilter_create*(state: pointer;
|
||||
destructor: proc (a2: pointer) {.cdecl.}; filter: proc (
|
||||
a2: pointer; level: cint; key: cstring; key_length: csize; existing_value: cstring;
|
||||
value_length: csize; new_value: cstringArray; new_value_length: ptr csize;
|
||||
value_changed: ptr cuchar): cuchar {.cdecl.};
|
||||
value_changed: ptr uint8): uint8 {.cdecl.};
|
||||
name: proc (a2: pointer): cstring {.cdecl.}): ptr rocksdb_compactionfilter_t {.
|
||||
cdecl, importc: "rocksdb_compactionfilter_create", dynlib: librocksdb.}
|
||||
proc rocksdb_compactionfilter_set_ignore_snapshots*(
|
||||
a2: ptr rocksdb_compactionfilter_t; a3: cuchar) {.cdecl,
|
||||
a2: ptr rocksdb_compactionfilter_t; a3: uint8) {.cdecl,
|
||||
importc: "rocksdb_compactionfilter_set_ignore_snapshots", dynlib: librocksdb.}
|
||||
proc rocksdb_compactionfilter_destroy*(a2: ptr rocksdb_compactionfilter_t) {.cdecl,
|
||||
importc: "rocksdb_compactionfilter_destroy", dynlib: librocksdb.}
|
||||
## Compaction Filter Context
|
||||
|
||||
proc rocksdb_compactionfiltercontext_is_full_compaction*(
|
||||
context: ptr rocksdb_compactionfiltercontext_t): cuchar {.cdecl,
|
||||
context: ptr rocksdb_compactionfiltercontext_t): uint8 {.cdecl,
|
||||
importc: "rocksdb_compactionfiltercontext_is_full_compaction",
|
||||
dynlib: librocksdb.}
|
||||
proc rocksdb_compactionfiltercontext_is_manual_compaction*(
|
||||
context: ptr rocksdb_compactionfiltercontext_t): cuchar {.cdecl,
|
||||
context: ptr rocksdb_compactionfiltercontext_t): uint8 {.cdecl,
|
||||
importc: "rocksdb_compactionfiltercontext_is_manual_compaction",
|
||||
dynlib: librocksdb.}
|
||||
## Compaction Filter Factory
|
||||
@ -1036,7 +1034,7 @@ proc rocksdb_filterpolicy_create*(state: pointer;
|
||||
create_filter: proc (a2: pointer; key_array: cstringArray;
|
||||
key_length_array: ptr csize; num_keys: cint;
|
||||
filter_length: ptr csize): cstring {.cdecl.}; key_may_match: proc (
|
||||
a2: pointer; key: cstring; length: csize; filter: cstring; filter_length: csize): cuchar {.
|
||||
a2: pointer; key: cstring; length: csize; filter: cstring; filter_length: csize): uint8 {.
|
||||
cdecl.}; delete_filter: proc (a2: pointer; filter: cstring; filter_length: csize) {.
|
||||
cdecl.}; name: proc (a2: pointer): cstring {.cdecl.}): ptr rocksdb_filterpolicy_t {.
|
||||
cdecl, importc: "rocksdb_filterpolicy_create", dynlib: librocksdb.}
|
||||
@ -1053,10 +1051,10 @@ proc rocksdb_mergeoperator_create*(state: pointer;
|
||||
full_merge: proc (a2: pointer; key: cstring; key_length: csize;
|
||||
existing_value: cstring; existing_value_length: csize;
|
||||
operands_list: cstringArray; operands_list_length: ptr csize;
|
||||
num_operands: cint; success: ptr cuchar;
|
||||
num_operands: cint; success: ptr uint8;
|
||||
new_value_length: ptr csize): cstring {.cdecl.}; partial_merge: proc (
|
||||
a2: pointer; key: cstring; key_length: csize; operands_list: cstringArray;
|
||||
operands_list_length: ptr csize; num_operands: cint; success: ptr cuchar;
|
||||
operands_list_length: ptr csize; num_operands: cint; success: ptr uint8;
|
||||
new_value_length: ptr csize): cstring {.cdecl.}; delete_value: proc (a2: pointer;
|
||||
value: cstring; value_length: csize) {.cdecl.};
|
||||
name: proc (a2: pointer): cstring {.cdecl.}): ptr rocksdb_mergeoperator_t {.
|
||||
@ -1070,9 +1068,9 @@ proc rocksdb_readoptions_create*(): ptr rocksdb_readoptions_t {.cdecl,
|
||||
proc rocksdb_readoptions_destroy*(a2: ptr rocksdb_readoptions_t) {.cdecl,
|
||||
importc: "rocksdb_readoptions_destroy", dynlib: librocksdb.}
|
||||
proc rocksdb_readoptions_set_verify_checksums*(a2: ptr rocksdb_readoptions_t;
|
||||
a3: cuchar) {.cdecl, importc: "rocksdb_readoptions_set_verify_checksums",
|
||||
dynlib: librocksdb.}
|
||||
proc rocksdb_readoptions_set_fill_cache*(a2: ptr rocksdb_readoptions_t; a3: cuchar) {.
|
||||
a3: uint8) {.cdecl, importc: "rocksdb_readoptions_set_verify_checksums",
|
||||
dynlib: librocksdb.}
|
||||
proc rocksdb_readoptions_set_fill_cache*(a2: ptr rocksdb_readoptions_t; a3: uint8) {.
|
||||
cdecl, importc: "rocksdb_readoptions_set_fill_cache", dynlib: librocksdb.}
|
||||
proc rocksdb_readoptions_set_snapshot*(a2: ptr rocksdb_readoptions_t;
|
||||
a3: ptr rocksdb_snapshot_t) {.cdecl,
|
||||
@ -1085,31 +1083,31 @@ proc rocksdb_readoptions_set_iterate_lower_bound*(a2: ptr rocksdb_readoptions_t;
|
||||
dynlib: librocksdb.}
|
||||
proc rocksdb_readoptions_set_read_tier*(a2: ptr rocksdb_readoptions_t; a3: cint) {.
|
||||
cdecl, importc: "rocksdb_readoptions_set_read_tier", dynlib: librocksdb.}
|
||||
proc rocksdb_readoptions_set_tailing*(a2: ptr rocksdb_readoptions_t; a3: cuchar) {.
|
||||
proc rocksdb_readoptions_set_tailing*(a2: ptr rocksdb_readoptions_t; a3: uint8) {.
|
||||
cdecl, importc: "rocksdb_readoptions_set_tailing", dynlib: librocksdb.}
|
||||
proc rocksdb_readoptions_set_managed*(a2: ptr rocksdb_readoptions_t; a3: cuchar) {.
|
||||
proc rocksdb_readoptions_set_managed*(a2: ptr rocksdb_readoptions_t; a3: uint8) {.
|
||||
cdecl, importc: "rocksdb_readoptions_set_managed", dynlib: librocksdb.}
|
||||
proc rocksdb_readoptions_set_readahead_size*(a2: ptr rocksdb_readoptions_t;
|
||||
a3: csize) {.cdecl, importc: "rocksdb_readoptions_set_readahead_size",
|
||||
dynlib: librocksdb.}
|
||||
proc rocksdb_readoptions_set_prefix_same_as_start*(a2: ptr rocksdb_readoptions_t;
|
||||
a3: cuchar) {.cdecl, importc: "rocksdb_readoptions_set_prefix_same_as_start",
|
||||
dynlib: librocksdb.}
|
||||
proc rocksdb_readoptions_set_pin_data*(a2: ptr rocksdb_readoptions_t; a3: cuchar) {.
|
||||
a3: uint8) {.cdecl, importc: "rocksdb_readoptions_set_prefix_same_as_start",
|
||||
dynlib: librocksdb.}
|
||||
proc rocksdb_readoptions_set_pin_data*(a2: ptr rocksdb_readoptions_t; a3: uint8) {.
|
||||
cdecl, importc: "rocksdb_readoptions_set_pin_data", dynlib: librocksdb.}
|
||||
proc rocksdb_readoptions_set_total_order_seek*(a2: ptr rocksdb_readoptions_t;
|
||||
a3: cuchar) {.cdecl, importc: "rocksdb_readoptions_set_total_order_seek",
|
||||
dynlib: librocksdb.}
|
||||
a3: uint8) {.cdecl, importc: "rocksdb_readoptions_set_total_order_seek",
|
||||
dynlib: librocksdb.}
|
||||
proc rocksdb_readoptions_set_max_skippable_internal_keys*(
|
||||
a2: ptr rocksdb_readoptions_t; a3: uint64) {.cdecl,
|
||||
importc: "rocksdb_readoptions_set_max_skippable_internal_keys",
|
||||
dynlib: librocksdb.}
|
||||
proc rocksdb_readoptions_set_background_purge_on_iterator_cleanup*(
|
||||
a2: ptr rocksdb_readoptions_t; a3: cuchar) {.cdecl,
|
||||
a2: ptr rocksdb_readoptions_t; a3: uint8) {.cdecl,
|
||||
importc: "rocksdb_readoptions_set_background_purge_on_iterator_cleanup",
|
||||
dynlib: librocksdb.}
|
||||
proc rocksdb_readoptions_set_ignore_range_deletions*(
|
||||
a2: ptr rocksdb_readoptions_t; a3: cuchar) {.cdecl,
|
||||
a2: ptr rocksdb_readoptions_t; a3: uint8) {.cdecl,
|
||||
importc: "rocksdb_readoptions_set_ignore_range_deletions", dynlib: librocksdb.}
|
||||
## Write options
|
||||
|
||||
@ -1117,19 +1115,18 @@ proc rocksdb_writeoptions_create*(): ptr rocksdb_writeoptions_t {.cdecl,
|
||||
importc: "rocksdb_writeoptions_create", dynlib: librocksdb.}
|
||||
proc rocksdb_writeoptions_destroy*(a2: ptr rocksdb_writeoptions_t) {.cdecl,
|
||||
importc: "rocksdb_writeoptions_destroy", dynlib: librocksdb.}
|
||||
proc rocksdb_writeoptions_set_sync*(a2: ptr rocksdb_writeoptions_t; a3: cuchar) {.
|
||||
proc rocksdb_writeoptions_set_sync*(a2: ptr rocksdb_writeoptions_t; a3: uint8) {.
|
||||
cdecl, importc: "rocksdb_writeoptions_set_sync", dynlib: librocksdb.}
|
||||
proc rocksdb_writeoptions_disable_WAL*(opt: ptr rocksdb_writeoptions_t;
|
||||
disable: cint) {.cdecl,
|
||||
importc: "rocksdb_writeoptions_disable_WAL", dynlib: librocksdb.}
|
||||
proc rocksdb_writeoptions_set_ignore_missing_column_families*(
|
||||
a2: ptr rocksdb_writeoptions_t; a3: cuchar) {.cdecl,
|
||||
a2: ptr rocksdb_writeoptions_t; a3: uint8) {.cdecl,
|
||||
importc: "rocksdb_writeoptions_set_ignore_missing_column_families",
|
||||
dynlib: librocksdb.}
|
||||
proc rocksdb_writeoptions_set_no_slowdown*(a2: ptr rocksdb_writeoptions_t;
|
||||
a3: cuchar) {.cdecl, importc: "rocksdb_writeoptions_set_no_slowdown",
|
||||
dynlib: librocksdb.}
|
||||
proc rocksdb_writeoptions_set_low_pri*(a2: ptr rocksdb_writeoptions_t; a3: cuchar) {.
|
||||
proc rocksdb_writeoptions_set_no_slowdown*(a2: ptr rocksdb_writeoptions_t; a3: uint8) {.
|
||||
cdecl, importc: "rocksdb_writeoptions_set_no_slowdown", dynlib: librocksdb.}
|
||||
proc rocksdb_writeoptions_set_low_pri*(a2: ptr rocksdb_writeoptions_t; a3: uint8) {.
|
||||
cdecl, importc: "rocksdb_writeoptions_set_low_pri", dynlib: librocksdb.}
|
||||
## Compact range options
|
||||
|
||||
@ -1138,12 +1135,12 @@ proc rocksdb_compactoptions_create*(): ptr rocksdb_compactoptions_t {.cdecl,
|
||||
proc rocksdb_compactoptions_destroy*(a2: ptr rocksdb_compactoptions_t) {.cdecl,
|
||||
importc: "rocksdb_compactoptions_destroy", dynlib: librocksdb.}
|
||||
proc rocksdb_compactoptions_set_exclusive_manual_compaction*(
|
||||
a2: ptr rocksdb_compactoptions_t; a3: cuchar) {.cdecl,
|
||||
a2: ptr rocksdb_compactoptions_t; a3: uint8) {.cdecl,
|
||||
importc: "rocksdb_compactoptions_set_exclusive_manual_compaction",
|
||||
dynlib: librocksdb.}
|
||||
proc rocksdb_compactoptions_set_change_level*(a2: ptr rocksdb_compactoptions_t;
|
||||
a3: cuchar) {.cdecl, importc: "rocksdb_compactoptions_set_change_level",
|
||||
dynlib: librocksdb.}
|
||||
a3: uint8) {.cdecl, importc: "rocksdb_compactoptions_set_change_level",
|
||||
dynlib: librocksdb.}
|
||||
proc rocksdb_compactoptions_set_target_level*(a2: ptr rocksdb_compactoptions_t;
|
||||
a3: cint) {.cdecl, importc: "rocksdb_compactoptions_set_target_level",
|
||||
dynlib: librocksdb.}
|
||||
@ -1153,7 +1150,7 @@ proc rocksdb_flushoptions_create*(): ptr rocksdb_flushoptions_t {.cdecl,
|
||||
importc: "rocksdb_flushoptions_create", dynlib: librocksdb.}
|
||||
proc rocksdb_flushoptions_destroy*(a2: ptr rocksdb_flushoptions_t) {.cdecl,
|
||||
importc: "rocksdb_flushoptions_destroy", dynlib: librocksdb.}
|
||||
proc rocksdb_flushoptions_set_wait*(a2: ptr rocksdb_flushoptions_t; a3: cuchar) {.
|
||||
proc rocksdb_flushoptions_set_wait*(a2: ptr rocksdb_flushoptions_t; a3: uint8) {.
|
||||
cdecl, importc: "rocksdb_flushoptions_set_wait", dynlib: librocksdb.}
|
||||
## Cache
|
||||
|
||||
@ -1227,23 +1224,23 @@ proc rocksdb_sstfilewriter_destroy*(writer: ptr rocksdb_sstfilewriter_t) {.cdecl
|
||||
proc rocksdb_ingestexternalfileoptions_create*(): ptr rocksdb_ingestexternalfileoptions_t {.
|
||||
cdecl, importc: "rocksdb_ingestexternalfileoptions_create", dynlib: librocksdb.}
|
||||
proc rocksdb_ingestexternalfileoptions_set_move_files*(
|
||||
opt: ptr rocksdb_ingestexternalfileoptions_t; move_files: cuchar) {.cdecl,
|
||||
opt: ptr rocksdb_ingestexternalfileoptions_t; move_files: uint8) {.cdecl,
|
||||
importc: "rocksdb_ingestexternalfileoptions_set_move_files",
|
||||
dynlib: librocksdb.}
|
||||
proc rocksdb_ingestexternalfileoptions_set_snapshot_consistency*(
|
||||
opt: ptr rocksdb_ingestexternalfileoptions_t; snapshot_consistency: cuchar) {.
|
||||
opt: ptr rocksdb_ingestexternalfileoptions_t; snapshot_consistency: uint8) {.
|
||||
cdecl, importc: "rocksdb_ingestexternalfileoptions_set_snapshot_consistency",
|
||||
dynlib: librocksdb.}
|
||||
proc rocksdb_ingestexternalfileoptions_set_allow_global_seqno*(
|
||||
opt: ptr rocksdb_ingestexternalfileoptions_t; allow_global_seqno: cuchar) {.
|
||||
cdecl, importc: "rocksdb_ingestexternalfileoptions_set_allow_global_seqno",
|
||||
opt: ptr rocksdb_ingestexternalfileoptions_t; allow_global_seqno: uint8) {.cdecl,
|
||||
importc: "rocksdb_ingestexternalfileoptions_set_allow_global_seqno",
|
||||
dynlib: librocksdb.}
|
||||
proc rocksdb_ingestexternalfileoptions_set_allow_blocking_flush*(
|
||||
opt: ptr rocksdb_ingestexternalfileoptions_t; allow_blocking_flush: cuchar) {.
|
||||
opt: ptr rocksdb_ingestexternalfileoptions_t; allow_blocking_flush: uint8) {.
|
||||
cdecl, importc: "rocksdb_ingestexternalfileoptions_set_allow_blocking_flush",
|
||||
dynlib: librocksdb.}
|
||||
proc rocksdb_ingestexternalfileoptions_set_ingest_behind*(
|
||||
opt: ptr rocksdb_ingestexternalfileoptions_t; ingest_behind: cuchar) {.cdecl,
|
||||
opt: ptr rocksdb_ingestexternalfileoptions_t; ingest_behind: uint8) {.cdecl,
|
||||
importc: "rocksdb_ingestexternalfileoptions_set_ingest_behind",
|
||||
dynlib: librocksdb.}
|
||||
proc rocksdb_ingestexternalfileoptions_destroy*(
|
||||
@ -1263,8 +1260,8 @@ proc rocksdb_ingest_external_file_cf*(db: ptr rocksdb_t; handle: ptr rocksdb_col
|
||||
proc rocksdb_slicetransform_create*(state: pointer;
|
||||
destructor: proc (a2: pointer) {.cdecl.};
|
||||
transform: proc (a2: pointer; key: cstring; length: csize; dst_length: ptr csize): cstring {.
|
||||
cdecl.}; in_domain: proc (a2: pointer; key: cstring; length: csize): cuchar {.cdecl.};
|
||||
in_range: proc (a2: pointer; key: cstring; length: csize): cuchar {.cdecl.};
|
||||
cdecl.}; in_domain: proc (a2: pointer; key: cstring; length: csize): uint8 {.cdecl.};
|
||||
in_range: proc (a2: pointer; key: cstring; length: csize): uint8 {.cdecl.};
|
||||
name: proc (a2: pointer): cstring {.cdecl.}): ptr rocksdb_slicetransform_t {.
|
||||
cdecl, importc: "rocksdb_slicetransform_create", dynlib: librocksdb.}
|
||||
proc rocksdb_slicetransform_create_fixed_prefix*(a2: csize): ptr rocksdb_slicetransform_t {.
|
||||
@ -1399,7 +1396,7 @@ proc rocksdb_transaction_get_cf*(txn: ptr rocksdb_transaction_t;
|
||||
proc rocksdb_transaction_get_for_update*(txn: ptr rocksdb_transaction_t;
|
||||
options: ptr rocksdb_readoptions_t;
|
||||
key: cstring; klen: csize; vlen: ptr csize;
|
||||
exclusive: cuchar; errptr: cstringArray): cstring {.
|
||||
exclusive: uint8; errptr: cstringArray): cstring {.
|
||||
cdecl, importc: "rocksdb_transaction_get_for_update", dynlib: librocksdb.}
|
||||
proc rocksdb_transactiondb_get*(txn_db: ptr rocksdb_transactiondb_t;
|
||||
options: ptr rocksdb_readoptions_t; key: cstring;
|
||||
@ -1524,10 +1521,10 @@ proc rocksdb_transaction_options_create*(): ptr rocksdb_transaction_options_t {.
|
||||
proc rocksdb_transaction_options_destroy*(opt: ptr rocksdb_transaction_options_t) {.
|
||||
cdecl, importc: "rocksdb_transaction_options_destroy", dynlib: librocksdb.}
|
||||
proc rocksdb_transaction_options_set_set_snapshot*(
|
||||
opt: ptr rocksdb_transaction_options_t; v: cuchar) {.cdecl,
|
||||
opt: ptr rocksdb_transaction_options_t; v: uint8) {.cdecl,
|
||||
importc: "rocksdb_transaction_options_set_set_snapshot", dynlib: librocksdb.}
|
||||
proc rocksdb_transaction_options_set_deadlock_detect*(
|
||||
opt: ptr rocksdb_transaction_options_t; v: cuchar) {.cdecl,
|
||||
opt: ptr rocksdb_transaction_options_t; v: uint8) {.cdecl,
|
||||
importc: "rocksdb_transaction_options_set_deadlock_detect", dynlib: librocksdb.}
|
||||
proc rocksdb_transaction_options_set_lock_timeout*(
|
||||
opt: ptr rocksdb_transaction_options_t; lock_timeout: int64) {.cdecl,
|
||||
@ -1550,7 +1547,7 @@ proc rocksdb_optimistictransaction_options_destroy*(
|
||||
opt: ptr rocksdb_optimistictransaction_options_t) {.cdecl,
|
||||
importc: "rocksdb_optimistictransaction_options_destroy", dynlib: librocksdb.}
|
||||
proc rocksdb_optimistictransaction_options_set_set_snapshot*(
|
||||
opt: ptr rocksdb_optimistictransaction_options_t; v: cuchar) {.cdecl,
|
||||
opt: ptr rocksdb_optimistictransaction_options_t; v: uint8) {.cdecl,
|
||||
importc: "rocksdb_optimistictransaction_options_set_set_snapshot",
|
||||
dynlib: librocksdb.}
|
||||
## referring to convention (3), this should be used by client
|
||||
|
||||
Loading…
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Reference in New Issue
Block a user