mirror of
https://gitee.com/milvus-io/milvus.git
synced 2024-12-04 21:09:06 +08:00
437 lines
12 KiB
Go
437 lines
12 KiB
Go
package querynode
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/*
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#cgo CFLAGS: -I${SRCDIR}/../core/output/include
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#cgo LDFLAGS: -L${SRCDIR}/../core/output/lib -lmilvus_segcore -Wl,-rpath=${SRCDIR}/../core/output/lib
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#include "segcore/collection_c.h"
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#include "segcore/plan_c.h"
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#include "segcore/reduce_c.h"
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*/
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import "C"
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import (
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"strconv"
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"sync"
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"unsafe"
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"github.com/stretchr/testify/assert"
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"github.com/zilliztech/milvus-distributed/internal/errors"
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"github.com/zilliztech/milvus-distributed/internal/proto/commonpb"
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)
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const (
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segTypeInvalid = C.Invalid
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segTypeGrowing = C.Growing
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segTypeSealed = C.Sealed
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)
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type segmentType = C.SegmentType
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type indexParam = map[string]string
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type Segment struct {
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segmentPtr C.CSegmentInterface
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segmentType C.SegmentType
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segmentID UniqueID
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partitionTag string // TODO: use partitionID
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partitionID UniqueID
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collectionID UniqueID
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lastMemSize int64
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lastRowCount int64
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rmMutex sync.Mutex // guards recentlyModified
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recentlyModified bool
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paramMutex sync.RWMutex // guards indexParam
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indexParam map[int64]indexParam
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}
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//-------------------------------------------------------------------------------------- common interfaces
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func (s *Segment) ID() UniqueID {
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return s.segmentID
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}
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func (s *Segment) Type() segmentType {
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return s.segmentType
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}
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func (s *Segment) SetRecentlyModified(modify bool) {
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s.rmMutex.Lock()
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defer s.rmMutex.Unlock()
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s.recentlyModified = modify
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}
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func (s *Segment) GetRecentlyModified() bool {
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s.rmMutex.Lock()
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defer s.rmMutex.Unlock()
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return s.recentlyModified
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}
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func newSegment2(collection *Collection, segmentID int64, partitionTag string, collectionID UniqueID, segType segmentType) *Segment {
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/*
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CSegmentInterface
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NewSegment(CCollection collection, uint64_t segment_id, SegmentType seg_type);
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*/
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initIndexParam := make(map[int64]indexParam)
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segmentPtr := C.NewSegment(collection.collectionPtr, C.ulong(segmentID), segType)
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var newSegment = &Segment{
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segmentPtr: segmentPtr,
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segmentType: segType,
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segmentID: segmentID,
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partitionTag: partitionTag,
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collectionID: collectionID,
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indexParam: initIndexParam,
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}
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return newSegment
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}
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func newSegment(collection *Collection, segmentID int64, partitionID UniqueID, collectionID UniqueID, segType segmentType) *Segment {
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/*
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CSegmentInterface
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NewSegment(CCollection collection, uint64_t segment_id, SegmentType seg_type);
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*/
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initIndexParam := make(map[int64]indexParam)
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segmentPtr := C.NewSegment(collection.collectionPtr, C.ulong(segmentID), segType)
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var newSegment = &Segment{
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segmentPtr: segmentPtr,
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segmentType: segType,
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segmentID: segmentID,
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partitionID: partitionID,
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collectionID: collectionID,
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indexParam: initIndexParam,
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}
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return newSegment
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}
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func deleteSegment(segment *Segment) {
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/*
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void
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deleteSegment(CSegmentInterface segment);
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*/
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cPtr := segment.segmentPtr
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C.DeleteSegment(cPtr)
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}
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func (s *Segment) getRowCount() int64 {
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/*
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long int
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getRowCount(CSegmentInterface c_segment);
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*/
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var rowCount = C.GetRowCount(s.segmentPtr)
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return int64(rowCount)
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}
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func (s *Segment) getDeletedCount() int64 {
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/*
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long int
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getDeletedCount(CSegmentInterface c_segment);
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*/
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var deletedCount = C.GetDeletedCount(s.segmentPtr)
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return int64(deletedCount)
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}
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func (s *Segment) getMemSize() int64 {
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/*
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long int
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GetMemoryUsageInBytes(CSegmentInterface c_segment);
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*/
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var memoryUsageInBytes = C.GetMemoryUsageInBytes(s.segmentPtr)
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return int64(memoryUsageInBytes)
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}
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func (s *Segment) segmentSearch(plan *Plan,
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placeHolderGroups []*PlaceholderGroup,
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timestamp []Timestamp) (*SearchResult, error) {
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/*
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CStatus
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Search(void* plan,
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void* placeholder_groups,
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uint64_t* timestamps,
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int num_groups,
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long int* result_ids,
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float* result_distances);
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*/
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cPlaceholderGroups := make([]C.CPlaceholderGroup, 0)
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for _, pg := range placeHolderGroups {
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cPlaceholderGroups = append(cPlaceholderGroups, (*pg).cPlaceholderGroup)
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}
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var searchResult SearchResult
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var cTimestamp = (*C.ulong)(×tamp[0])
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var cPlaceHolder = (*C.CPlaceholderGroup)(&cPlaceholderGroups[0])
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var cNumGroups = C.int(len(placeHolderGroups))
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var cQueryResult = (*C.CQueryResult)(&searchResult.cQueryResult)
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var status = C.Search(s.segmentPtr, plan.cPlan, cPlaceHolder, cTimestamp, cNumGroups, cQueryResult)
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errorCode := status.error_code
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if errorCode != 0 {
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errorMsg := C.GoString(status.error_msg)
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defer C.free(unsafe.Pointer(status.error_msg))
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return nil, errors.New("Search failed, C runtime error detected, error code = " + strconv.Itoa(int(errorCode)) + ", error msg = " + errorMsg)
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}
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return &searchResult, nil
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}
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func (s *Segment) fillTargetEntry(plan *Plan,
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result *SearchResult) error {
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var status = C.FillTargetEntry(s.segmentPtr, plan.cPlan, result.cQueryResult)
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errorCode := status.error_code
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if errorCode != 0 {
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errorMsg := C.GoString(status.error_msg)
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defer C.free(unsafe.Pointer(status.error_msg))
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return errors.New("FillTargetEntry failed, C runtime error detected, error code = " + strconv.Itoa(int(errorCode)) + ", error msg = " + errorMsg)
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}
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return nil
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}
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// segment, err := loadIndexService.replica.getSegmentByID(segmentID)
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func (s *Segment) updateSegmentIndex(loadIndexInfo *LoadIndexInfo) error {
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var status C.CStatus
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if s.segmentType == segTypeGrowing {
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status = C.UpdateSegmentIndex(s.segmentPtr, loadIndexInfo.cLoadIndexInfo)
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} else if s.segmentType == segTypeSealed {
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status = C.UpdateSealedSegmentIndex(s.segmentPtr, loadIndexInfo.cLoadIndexInfo)
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} else {
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return errors.New("illegal segment type")
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}
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errorCode := status.error_code
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if errorCode != 0 {
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errorMsg := C.GoString(status.error_msg)
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defer C.free(unsafe.Pointer(status.error_msg))
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return errors.New("updateSegmentIndex failed, C runtime error detected, error code = " + strconv.Itoa(int(errorCode)) + ", error msg = " + errorMsg)
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}
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return nil
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}
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func (s *Segment) setIndexParam(fieldID int64, indexParamKv []*commonpb.KeyValuePair) error {
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s.paramMutex.Lock()
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defer s.paramMutex.Unlock()
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indexParamMap := make(indexParam)
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if indexParamKv == nil {
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return errors.New("loadIndexMsg's indexParam empty")
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}
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for _, param := range indexParamKv {
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indexParamMap[param.Key] = param.Value
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}
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s.indexParam[fieldID] = indexParamMap
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return nil
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}
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func (s *Segment) matchIndexParam(fieldID int64, indexParamKv []*commonpb.KeyValuePair) bool {
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s.paramMutex.RLock()
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defer s.paramMutex.RUnlock()
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fieldIndexParam := s.indexParam[fieldID]
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if fieldIndexParam == nil {
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return false
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}
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paramSize := len(s.indexParam)
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matchCount := 0
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for _, param := range indexParamKv {
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value, ok := fieldIndexParam[param.Key]
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if !ok {
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return false
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}
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if param.Value != value {
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return false
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}
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matchCount++
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}
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return paramSize == matchCount
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}
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//-------------------------------------------------------------------------------------- interfaces for growing segment
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func (s *Segment) segmentPreInsert(numOfRecords int) int64 {
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/*
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long int
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PreInsert(CSegmentInterface c_segment, long int size);
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*/
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var offset = C.PreInsert(s.segmentPtr, C.long(int64(numOfRecords)))
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return int64(offset)
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}
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func (s *Segment) segmentPreDelete(numOfRecords int) int64 {
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/*
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long int
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PreDelete(CSegmentInterface c_segment, long int size);
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*/
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var offset = C.PreDelete(s.segmentPtr, C.long(int64(numOfRecords)))
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return int64(offset)
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}
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func (s *Segment) segmentInsert(offset int64, entityIDs *[]UniqueID, timestamps *[]Timestamp, records *[]*commonpb.Blob) error {
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/*
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CStatus
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Insert(CSegmentInterface c_segment,
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long int reserved_offset,
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signed long int size,
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const long* primary_keys,
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const unsigned long* timestamps,
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void* raw_data,
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int sizeof_per_row,
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signed long int count);
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*/
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// Blobs to one big blob
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var numOfRow = len(*entityIDs)
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var sizeofPerRow = len((*records)[0].Value)
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assert.Equal(nil, numOfRow, len(*records))
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var rawData = make([]byte, numOfRow*sizeofPerRow)
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var copyOffset = 0
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for i := 0; i < len(*records); i++ {
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copy(rawData[copyOffset:], (*records)[i].Value)
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copyOffset += sizeofPerRow
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}
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var cOffset = C.long(offset)
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var cNumOfRows = C.long(numOfRow)
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var cEntityIdsPtr = (*C.long)(&(*entityIDs)[0])
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var cTimestampsPtr = (*C.ulong)(&(*timestamps)[0])
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var cSizeofPerRow = C.int(sizeofPerRow)
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var cRawDataVoidPtr = unsafe.Pointer(&rawData[0])
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var status = C.Insert(s.segmentPtr,
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cOffset,
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cNumOfRows,
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cEntityIdsPtr,
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cTimestampsPtr,
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cRawDataVoidPtr,
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cSizeofPerRow,
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cNumOfRows)
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errorCode := status.error_code
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if errorCode != 0 {
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errorMsg := C.GoString(status.error_msg)
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defer C.free(unsafe.Pointer(status.error_msg))
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return errors.New("Insert failed, C runtime error detected, error code = " + strconv.Itoa(int(errorCode)) + ", error msg = " + errorMsg)
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}
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s.SetRecentlyModified(true)
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return nil
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}
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func (s *Segment) segmentDelete(offset int64, entityIDs *[]UniqueID, timestamps *[]Timestamp) error {
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/*
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CStatus
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Delete(CSegmentInterface c_segment,
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long int reserved_offset,
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long size,
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const long* primary_keys,
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const unsigned long* timestamps);
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*/
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var cOffset = C.long(offset)
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var cSize = C.long(len(*entityIDs))
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var cEntityIdsPtr = (*C.long)(&(*entityIDs)[0])
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var cTimestampsPtr = (*C.ulong)(&(*timestamps)[0])
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var status = C.Delete(s.segmentPtr, cOffset, cSize, cEntityIdsPtr, cTimestampsPtr)
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errorCode := status.error_code
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if errorCode != 0 {
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errorMsg := C.GoString(status.error_msg)
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defer C.free(unsafe.Pointer(status.error_msg))
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return errors.New("Delete failed, C runtime error detected, error code = " + strconv.Itoa(int(errorCode)) + ", error msg = " + errorMsg)
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}
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return nil
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}
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//-------------------------------------------------------------------------------------- interfaces for sealed segment
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func (s *Segment) segmentLoadFieldData(fieldID int64, rowCount int, data interface{}) error {
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/*
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CStatus
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LoadFieldData(CSegmentInterface c_segment, CLoadFieldDataInfo load_field_data_info);
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*/
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if s.segmentType != segTypeSealed {
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return errors.New("illegal segment type when loading field data")
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}
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// data interface check
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var dataPointer unsafe.Pointer
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emptyErr := errors.New("null field data to be loaded")
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switch d := data.(type) {
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case []bool:
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if len(d) <= 0 {
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return emptyErr
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}
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dataPointer = unsafe.Pointer(&d[0])
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case []int8:
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if len(d) <= 0 {
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return emptyErr
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}
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dataPointer = unsafe.Pointer(&d[0])
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case []int16:
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if len(d) <= 0 {
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return emptyErr
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}
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dataPointer = unsafe.Pointer(&d[0])
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case []int32:
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if len(d) <= 0 {
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return emptyErr
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}
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dataPointer = unsafe.Pointer(&d[0])
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case []int64:
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if len(d) <= 0 {
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return emptyErr
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}
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dataPointer = unsafe.Pointer(&d[0])
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case []float32:
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if len(d) <= 0 {
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return emptyErr
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}
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dataPointer = unsafe.Pointer(&d[0])
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case []float64:
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if len(d) <= 0 {
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return emptyErr
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}
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dataPointer = unsafe.Pointer(&d[0])
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case []string:
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// TODO: support string type
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return errors.New("we cannot support string type now")
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default:
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return errors.New("illegal field data type")
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}
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/*
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typedef struct CLoadFieldDataInfo {
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int64_t field_id;
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void* blob;
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int64_t row_count;
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} CLoadFieldDataInfo;
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*/
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loadInfo := C.CLoadFieldDataInfo{
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field_id: C.int64_t(fieldID),
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blob: dataPointer,
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row_count: C.int64_t(rowCount),
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}
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var status = C.LoadFieldData(s.segmentPtr, loadInfo)
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errorCode := status.error_code
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if errorCode != 0 {
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errorMsg := C.GoString(status.error_msg)
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defer C.free(unsafe.Pointer(status.error_msg))
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return errors.New("LoadFieldData failed, C runtime error detected, error code = " + strconv.Itoa(int(errorCode)) + ", error msg = " + errorMsg)
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}
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return nil
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}
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