int SSDB::multi_zdel(const Bytes &name, const std::vector<Bytes> &keys, int offset, char log_type){
Transaction trans(binlogs);
int ret = 0;
std::vector<Bytes>::const_iterator it;
it = keys.begin() + offset;
for(; it != keys.end(); it++){
const Bytes &key = *it;
int tmp = zdel_one(this, name, key, log_type);
if(tmp == -1){
return -1;
}
ret += tmp;
}
if(ret >= 0){
if(ret > 0){
if(incr_zsize(this, name, -ret) == -1){
return -1;
}
}
leveldb::Status s = binlogs->commit();
if(!s.ok()){
log_error("zdel error: %s", s.ToString().c_str());
return -1;
}
}
return ret;
}
int zset_del(ldb_context_t* context, const ldb_slice_t* name,
const ldb_slice_t* key, const ldb_meta_t* meta){
int ret = zdel_one(context, name, key, meta);
int retval = LDB_OK;
if(ret >= 0){
if(ret > 0){
if(zset_incr_size(context, name, -ret) == -1){
retval = LDB_ERR;
goto end;
}
}
char* errptr = NULL;
ldb_context_writebatch_commit(context, &errptr);
if( errptr != NULL ){
fprintf(stderr, "write writebatch fail %s.\n", errptr);
leveldb_free(errptr);
retval = LDB_ERR;
goto end;
}
retval = LDB_OK;
}else{
retval = LDB_ERR;
}
end:
return retval;
}
int SSDB::zdel(const Bytes &name, const Bytes &key, char log_type){
Transaction trans(binlogs);
int ret = zdel_one(this, name, key, log_type);
if(ret >= 0){
if(ret > 0){
if(incr_zsize(this, name, -ret) == -1){
return -1;
}
}
leveldb::Status s = binlogs->commit();
if(!s.ok()){
log_error("zdel error: %s", s.ToString().c_str());
return -1;
}
}
return ret;
}
