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oxigraph/rocksdb-sys/api/c.cc

93 lines
3.3 KiB

#include "../rocksdb/db/c.cc"
#include "c.h"
extern "C" {
rocksdb_pinnableslice_t* rocksdb_transactiondb_get_pinned_cf(
rocksdb_transactiondb_t* db, const rocksdb_readoptions_t* options,
rocksdb_column_family_handle_t* column_family, const char* key,
size_t keylen, char** errptr) {
rocksdb_pinnableslice_t* v = new (rocksdb_pinnableslice_t);
Status s = db->rep->Get(options->rep, column_family->rep, Slice(key, keylen),
&v->rep);
if (!s.ok()) {
delete v;
if (!s.IsNotFound()) {
SaveError(errptr, s);
}
return nullptr;
}
return v;
}
void rocksdb_transactiondb_flush_cf(
rocksdb_transactiondb_t* db,
const rocksdb_flushoptions_t* options,
rocksdb_column_family_handle_t* column_family,
char** errptr) {
SaveError(errptr, db->rep->Flush(options->rep, column_family->rep));
}
void rocksdb_transactiondb_compact_range_cf_opt(rocksdb_transactiondb_t* db,
rocksdb_column_family_handle_t* column_family,
rocksdb_compactoptions_t* opt,
const char* start_key, size_t start_key_len,
const char* limit_key, size_t limit_key_len,
char** errptr) {
Slice a, b;
SaveError(errptr, db->rep->CompactRange(
opt->rep, column_family->rep,
// Pass nullptr Slice if corresponding "const char*" is nullptr
(start_key ? (a = Slice(start_key, start_key_len), &a) : nullptr),
(limit_key ? (b = Slice(limit_key, limit_key_len), &b) : nullptr)));
}
void rocksdb_transactiondb_write_writebatch_wi(
rocksdb_transactiondb_t* db,
const rocksdb_writeoptions_t* options,
rocksdb_writebatch_wi_t* wbwi,
char** errptr) {
WriteBatch* wb = wbwi->rep->GetWriteBatch();
SaveError(errptr, db->rep->Write(options->rep, wb));
}
char* rocksdb_transactiondb_writebatch_wi_get_from_batch_and_db_cf(
rocksdb_writebatch_wi_t* wbwi,
rocksdb_transactiondb_t* db,
const rocksdb_readoptions_t* options,
rocksdb_column_family_handle_t* column_family,
const char* key, size_t keylen,
size_t* vallen,
char** errptr) {
char* result = nullptr;
std::string tmp;
Status s = wbwi->rep->GetFromBatchAndDB(db->rep, options->rep, column_family->rep,
Slice(key, keylen), &tmp);
if (s.ok()) {
*vallen = tmp.size();
result = CopyString(tmp);
} else {
*vallen = 0;
if (!s.IsNotFound()) {
SaveError(errptr, s);
}
}
return result;
}
void rocksdb_transactiondb_ingest_external_file_cf(
rocksdb_transactiondb_t* db, rocksdb_column_family_handle_t* handle,
const char* const* file_list, const size_t list_len,
const rocksdb_ingestexternalfileoptions_t* opt, char** errptr) {
std::vector<std::string> files(list_len);
for (size_t i = 0; i < list_len; ++i) {
files[i] = std::string(file_list[i]);
}
SaveError(errptr, db->rep->IngestExternalFile(handle->rep, files, opt->rep));
}
rocksdb_writeoptions_t* rocksdb_writeoptions_create_copy(rocksdb_writeoptions_t* options) {
return new rocksdb_writeoptions_t(*options);
}
}