milvus/internal/querynode/load_index_info.go
XuanYang-cn c0797333ce Add ddl binlog metaTable in writenode
Signed-off-by: XuanYang-cn <xuan.yang@zilliz.com>
2020-12-24 20:55:40 +08:00

99 lines
3.2 KiB
Go

package querynode
/*
#cgo CFLAGS: -I${SRCDIR}/../core/output/include
#cgo LDFLAGS: -L${SRCDIR}/../core/output/lib -lmilvus_segcore -Wl,-rpath=${SRCDIR}/../core/output/lib
#include "segcore/load_index_c.h"
*/
import "C"
import (
"errors"
"strconv"
"unsafe"
)
type LoadIndexInfo struct {
cLoadIndexInfo C.CLoadIndexInfo
}
func NewLoadIndexInfo() (*LoadIndexInfo, error) {
var cLoadIndexInfo C.CLoadIndexInfo
status := C.NewLoadIndexInfo(&cLoadIndexInfo)
errorCode := status.error_code
if errorCode != 0 {
errorMsg := C.GoString(status.error_msg)
defer C.free(unsafe.Pointer(status.error_msg))
return nil, errors.New("NewLoadIndexInfo failed, C runtime error detected, error code = " + strconv.Itoa(int(errorCode)) + ", error msg = " + errorMsg)
}
return &LoadIndexInfo{cLoadIndexInfo: cLoadIndexInfo}, nil
}
func (li *LoadIndexInfo) AppendIndexParam(indexKey string, indexValue string) error {
cIndexKey := C.CString(indexKey)
cIndexValue := C.CString(indexValue)
status := C.AppendIndexParam(li.cLoadIndexInfo, cIndexKey, cIndexValue)
errorCode := status.error_code
if errorCode != 0 {
errorMsg := C.GoString(status.error_msg)
defer C.free(unsafe.Pointer(status.error_msg))
return errors.New("AppendIndexParam failed, C runtime error detected, error code = " + strconv.Itoa(int(errorCode)) + ", error msg = " + errorMsg)
}
return nil
}
func (li *LoadIndexInfo) AppendFieldInfo(fieldName string, fieldID int64) error {
cFieldName := C.CString(fieldName)
cFieldID := C.long(fieldID)
status := C.AppendFieldInfo(li.cLoadIndexInfo, cFieldName, cFieldID)
errorCode := status.error_code
if errorCode != 0 {
errorMsg := C.GoString(status.error_msg)
defer C.free(unsafe.Pointer(status.error_msg))
return errors.New("AppendFieldInfo failed, C runtime error detected, error code = " + strconv.Itoa(int(errorCode)) + ", error msg = " + errorMsg)
}
return nil
}
func (li *LoadIndexInfo) AppendIndex(bytesIndex [][]byte, indexKeys []string) error {
var cBinarySet C.CBinarySet
status := C.NewBinarySet(&cBinarySet)
errorCode := status.error_code
if errorCode != 0 {
errorMsg := C.GoString(status.error_msg)
defer C.free(unsafe.Pointer(status.error_msg))
return errors.New("newBinarySet failed, C runtime error detected, error code = " + strconv.Itoa(int(errorCode)) + ", error msg = " + errorMsg)
}
for i, byteIndex := range bytesIndex {
indexPtr := unsafe.Pointer(&byteIndex[0])
indexLen := C.long(len(byteIndex))
indexKey := C.CString(indexKeys[i])
status = C.AppendBinaryIndex(cBinarySet, indexPtr, indexLen, indexKey)
errorCode = status.error_code
if errorCode != 0 {
break
}
}
if errorCode != 0 {
errorMsg := C.GoString(status.error_msg)
defer C.free(unsafe.Pointer(status.error_msg))
return errors.New("AppendBinaryIndex failed, C runtime error detected, error code = " + strconv.Itoa(int(errorCode)) + ", error msg = " + errorMsg)
}
status = C.AppendIndex(li.cLoadIndexInfo, cBinarySet)
errorCode = status.error_code
if errorCode != 0 {
errorMsg := C.GoString(status.error_msg)
defer C.free(unsafe.Pointer(status.error_msg))
return errors.New("AppendIndex failed, C runtime error detected, error code = " + strconv.Itoa(int(errorCode)) + ", error msg = " + errorMsg)
}
return nil
}