andreacavalli/rocksdb
0
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Support creation of "full" format bloom filter from C API

Browse Source
This commit is contained in:
Warren Falk 2015-12-29 14:47:51 -05:00
parent bae5b0a1d3
commit 7e81dba5cf
2 changed files with 12 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
db/c.cc
View File

@ -1965,7 +1965,7 @@ void rocksdb_filterpolicy_destroy(rocksdb_filterpolicy_t* filter) {
delete filter;
}
rocksdb_filterpolicy_t* rocksdb_filterpolicy_create_bloom(int bits_per_key) {
rocksdb_filterpolicy_t* rocksdb_filterpolicy_create_bloom_format(int bits_per_key, bool original_format) {
// Make a rocksdb_filterpolicy_t, but override all of its methods so
// they delegate to a NewBloomFilterPolicy() instead of user
// supplied C functions.
@ -1983,13 +1983,21 @@ rocksdb_filterpolicy_t* rocksdb_filterpolicy_create_bloom(int bits_per_key) {
static void DoNothing(void*) { }
};
Wrapper* wrapper = new Wrapper;
wrapper->rep_ = NewBloomFilterPolicy(bits_per_key);
wrapper->rep_ = NewBloomFilterPolicy(bits_per_key, original_format);
wrapper->state_ = nullptr;
wrapper->delete_filter_ = nullptr;
wrapper->destructor_ = &Wrapper::DoNothing;
return wrapper;
}
rocksdb_filterpolicy_t* rocksdb_filterpolicy_create_bloom_full(int bits_per_key) {
return rocksdb_filterpolicy_create_bloom_format(bits_per_key, false);
}
rocksdb_filterpolicy_t* rocksdb_filterpolicy_create_bloom(int bits_per_key) {
return rocksdb_filterpolicy_create_bloom_format(bits_per_key, true);
}
rocksdb_mergeoperator_t* rocksdb_mergeoperator_create(
void* state, void (*destructor)(void*),
char* (*full_merge)(void*, const char* key, size_t key_length,

2
include/rocksdb/c.h
View File

@ -760,6 +760,8 @@ extern ROCKSDB_LIBRARY_API void rocksdb_filterpolicy_destroy(
extern ROCKSDB_LIBRARY_API rocksdb_filterpolicy_t*
rocksdb_filterpolicy_create_bloom(int bits_per_key);
extern ROCKSDB_LIBRARY_API rocksdb_filterpolicy_t*
rocksdb_filterpolicy_create_bloom_full(int bits_per_key);
/* Merge Operator */