milvus/core/src/dog_segment/SegmentBase.h
bigsheeper bb9c906ef6 Use go mod instead of GO_PATH and add more cgo interfeces
Signed-off-by: bigsheeper <yihao.dai@zilliz.com>
2020-09-01 16:23:39 +08:00

111 lines
2.7 KiB
C++

#pragma once
#include <vector>
// #include "db/Types.h"
#include "dog_segment/SegmentDefs.h"
// #include "knowhere/index/Index.h"
#include "query/GeneralQuery.h"
namespace milvus {
namespace dog_segment {
using engine::QueryResult;
int
TestABI();
class SegmentBase {
public:
// definitions
enum class SegmentState {
Invalid = 0,
Open, // able to insert data
Closed // able to build index
};
public:
virtual ~SegmentBase() = default;
// SegmentBase(std::shared_ptr<FieldsInfo> collection);
virtual Status
Insert(int64_t size, const uint64_t* primary_keys, const Timestamp* timestamps, const DogDataChunk& values) = 0;
// TODO: add id into delete log, possibly bitmap
virtual Status
Delete(int64_t size, const uint64_t* primary_keys, const Timestamp* timestamps) = 0;
// query contains metadata of
virtual Status
Query(const query::QueryPtr& query, Timestamp timestamp, QueryResult& results) = 0;
// // THIS FUNCTION IS REMOVED
// virtual Status
// GetEntityByIds(Timestamp timestamp, const std::vector<Id>& ids, DataChunkPtr& results) = 0;
// stop receive insert requests
virtual Status
Close() = 0;
// // to make all data inserted visible
// // maybe a no-op?
// virtual Status
// Flush(Timestamp timestamp) = 0;
// BuildIndex With Paramaters, must with Frozen State
// This function is atomic
// NOTE: index_params contains serveral policies for several index
virtual Status
BuildIndex(std::shared_ptr<IndexConfig> index_params) = 0;
// Remove Index
virtual Status
DropIndex(std::string_view field_name) = 0;
virtual Status
DropRawData(std::string_view field_name) = 0;
virtual Status
LoadRawData(std::string_view field_name, const char* blob, int64_t blob_size) = 0;
public:
virtual ssize_t
get_row_count() const = 0;
virtual SegmentState
get_state() const = 0;
virtual ssize_t
get_deleted_count() const = 0;
public:
// getter and setter
Timestamp get_time_begin() {
return time_begin_;
}
void set_time_begin(Timestamp time_begin) {
this->time_begin_ = time_begin;
}
Timestamp get_time_end() {
return time_end_;
}
void set_time_end(Timestamp time_end) {
this->time_end_ = time_end;
}
uint64_t get_segment_id() {
return segment_id_;
}
uint64_t set_segment_id(uint64_t segment_id) {
this->segment_id_ = segment_id;
}
private:
Timestamp time_begin_;
Timestamp time_end_;
uint64_t segment_id_;
};
using SegmentBasePtr = std::unique_ptr<SegmentBase>;
SegmentBasePtr CreateSegment(SchemaPtr& ptr);
} // namespace engine
} // namespace milvus