45 lines
1.1 KiB
Cython
45 lines
1.1 KiB
Cython
from libcpp.string cimport string
|
|
from libcpp cimport bool as cpp_bool
|
|
from libcpp.deque cimport deque
|
|
from slice_ cimport Slice
|
|
from logger cimport Logger
|
|
|
|
cdef extern from "rocksdb/merge_operator.h" namespace "rocksdb":
|
|
cdef cppclass MergeOperator:
|
|
pass
|
|
|
|
ctypedef cpp_bool (*merge_func)(
|
|
void*,
|
|
const Slice&,
|
|
const Slice*,
|
|
const Slice&,
|
|
string*,
|
|
Logger*)
|
|
|
|
ctypedef cpp_bool (*full_merge_func)(
|
|
void* ctx,
|
|
const Slice& key,
|
|
const Slice* existing_value,
|
|
const deque[string]& operand_list,
|
|
string* new_value,
|
|
Logger* logger)
|
|
|
|
ctypedef cpp_bool (*partial_merge_func)(
|
|
void* ctx,
|
|
const Slice& key,
|
|
const Slice& left_op,
|
|
const Slice& right_op,
|
|
string* new_value,
|
|
Logger* logger)
|
|
|
|
cdef extern from "cpp/merge_operator_wrapper.hpp" namespace "py_rocks":
|
|
cdef cppclass AssociativeMergeOperatorWrapper:
|
|
AssociativeMergeOperatorWrapper(string, void*, merge_func)
|
|
|
|
cdef cppclass MergeOperatorWrapper:
|
|
MergeOperatorWrapper(
|
|
string,
|
|
void*,
|
|
void*,
|
|
full_merge_func,
|
|
partial_merge_func)
|