mirror of
https://gitee.com/milvus-io/milvus.git
synced 2024-12-04 04:49:08 +08:00
119 lines
3.7 KiB
Go
119 lines
3.7 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/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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"errors"
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"strconv"
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"unsafe"
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)
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type SearchResult struct {
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cQueryResult C.CQueryResult
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}
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type MarshaledHits struct {
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cMarshaledHits C.CMarshaledHits
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}
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func reduceSearchResults(searchResults []*SearchResult, numSegments int64, inReduced []bool) error {
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cSearchResults := make([]C.CQueryResult, 0)
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for _, res := range searchResults {
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cSearchResults = append(cSearchResults, res.cQueryResult)
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}
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cSearchResultPtr := (*C.CQueryResult)(&cSearchResults[0])
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cNumSegments := C.long(numSegments)
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cInReduced := (*C.bool)(&inReduced[0])
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status := C.ReduceQueryResults(cSearchResultPtr, cNumSegments, cInReduced)
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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("reduceSearchResults 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 fillTargetEntry(plan *Plan, searchResults []*SearchResult, matchedSegments []*Segment, inReduced []bool) error {
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for i, value := range inReduced {
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if value {
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err := matchedSegments[i].fillTargetEntry(plan, searchResults[i])
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if err != nil {
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return err
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}
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}
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}
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return nil
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}
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func reorganizeQueryResults(plan *Plan, placeholderGroups []*PlaceholderGroup, searchResults []*SearchResult, numSegments int64, inReduced []bool) (*MarshaledHits, error) {
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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 cPlaceHolderGroupPtr = (*C.CPlaceholderGroup)(&cPlaceholderGroups[0])
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var cNumGroup = (C.long)(len(placeholderGroups))
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cSearchResults := make([]C.CQueryResult, 0)
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for _, res := range searchResults {
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cSearchResults = append(cSearchResults, res.cQueryResult)
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}
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cSearchResultPtr := (*C.CQueryResult)(&cSearchResults[0])
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var cNumSegments = C.long(numSegments)
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var cInReduced = (*C.bool)(&inReduced[0])
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var cMarshaledHits C.CMarshaledHits
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status := C.ReorganizeQueryResults(&cMarshaledHits, cPlaceHolderGroupPtr, cNumGroup, cSearchResultPtr, cInReduced, cNumSegments, plan.cPlan)
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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("reorganizeQueryResults failed, C runtime error detected, error code = " + strconv.Itoa(int(errorCode)) + ", error msg = " + errorMsg)
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}
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return &MarshaledHits{cMarshaledHits: cMarshaledHits}, nil
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}
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func (mh *MarshaledHits) getHitsBlobSize() int64 {
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res := C.GetHitsBlobSize(mh.cMarshaledHits)
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return int64(res)
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}
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func (mh *MarshaledHits) getHitsBlob() ([]byte, error) {
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byteSize := mh.getHitsBlobSize()
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result := make([]byte, byteSize)
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cResultPtr := unsafe.Pointer(&result[0])
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C.GetHitsBlob(mh.cMarshaledHits, cResultPtr)
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return result, nil
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}
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func (mh *MarshaledHits) hitBlobSizeInGroup(groupOffset int64) ([]int64, error) {
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cGroupOffset := (C.long)(groupOffset)
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numQueries := C.GetNumQueriesPeerGroup(mh.cMarshaledHits, cGroupOffset)
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result := make([]int64, int64(numQueries))
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cResult := (*C.long)(&result[0])
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C.GetHitSizePeerQueries(mh.cMarshaledHits, cGroupOffset, cResult)
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return result, nil
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}
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func deleteMarshaledHits(hits *MarshaledHits) {
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C.DeleteMarshaledHits(hits.cMarshaledHits)
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}
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func deleteSearchResults(results []*SearchResult) {
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for _, result := range results {
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C.DeleteQueryResult(result.cQueryResult)
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}
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}
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