// NewEmptyIndex function description : 新建空索引
// params :
// return :
func NewEmptyIndex(name, pathname string, logger *utils.Log4FE) *Index {
this := &Index{Name: name, Logger: logger, StartDocId: 0, MaxDocId: 0, PrefixSegment: 1000,
SegmentNames: make([]string, 0), PrimaryKey: "", segments: make([]*fis.Segment, 0),
memorySegment: nil, primary: nil, bitmap: nil, Pathname: pathname,
Fields: make(map[string]utils.SimpleFieldInfo), idxSegmentMutex: new(sync.Mutex),
dict: nil, pkmap: make(map[string]string)}
bitmapname := fmt.Sprintf("%v%v.bitmap", pathname, name)
utils.MakeBitmapFile(bitmapname)
this.bitmap = utils.NewBitmap(bitmapname)
//delete by wuyinghao 不使用字典了
//dictfilename := fmt.Sprintf("%v%v_dict.dic", this.Pathname, this.Name)
//this.dict = tree.NewBTDB(dictfilename, logger)
return this
}
func (this *Detail) WriteDetailToFile() error {
buf := new(bytes.Buffer)
fout, err := os.Create(fmt.Sprintf("./index/detail.dat"))
if err != nil {
fmt.Printf("Create Error %v\n", err)
return err
}
defer fout.Close()
file_name := "./index/detail.dic"
fdetail_dic_out, err := os.Create(file_name)
defer fdetail_dic_out.Close()
if err != nil {
return err
}
buf_detail_dic := new(bytes.Buffer)
err = binary.Write(buf_detail_dic, binary.LittleEndian, this.MaxDocId)
if err != nil {
fmt.Printf("MaxDocId ERROR :%v \n", err)
}
err = binary.Write(buf_detail_dic, binary.LittleEndian, this.Offset)
if err != nil {
fmt.Printf("Offset ERROR :%v \n", err)
}
var isInc int64 = 0
for index, _ := range this.DetailList {
err := binary.Write(buf, binary.LittleEndian, this.DetailList[index].DetailBytes)
if err != nil {
fmt.Printf("DetailBytes Error ..%v\n", err)
}
this.DetailList[index].DetailBytes = nil
err = binary.Write(buf_detail_dic, binary.LittleEndian, this.DetailList[index].ByteStart)
if err != nil {
fmt.Printf("ByteStart Error ..%v\n", err)
}
err = binary.Write(buf_detail_dic, binary.LittleEndian, this.DetailList[index].ByteLen)
if err != nil {
fmt.Printf("ByteLen Error ..%v\n", err)
}
err = binary.Write(buf_detail_dic, binary.LittleEndian, isInc)
if err != nil {
fmt.Printf("ByteLen Error ..%v\n", err)
}
}
fout.Write(buf.Bytes())
fdetail_dic_out.Write(buf_detail_dic.Bytes())
//utils.WriteToJson(this, "./index/detail.idx.json")
this.WriteUpDetailFile()
utils.MakeBitmapFile()
return nil
}
/*****************************************************************************
* function name : Buiding
* params :
* return :
*
* description : 构建索引文件，并将detail存入redis中，这个函数太啰嗦了。
*
******************************************************************************/
func (this *DBBuilder) Buiding() error {
var fields string
for index, v := range this.Fields {
//构造sql语句
fields = fields + "," + v.Name
//新建插件
cumstom := plugins.NewPlus(v.Name)
cumstom.Init()
//构造索引数据指针
if v.IsIvt {
if v.FType == "T" {
this.Fields[index].IvtIdx = utils.NewInvertIdx(utils.TYPE_TEXT, v.Name)
this.Fields[index].IvtStrDic = utils.NewStringIdxDic(v.Name)
this.Fields[index].CustomeInter = cumstom
}
if v.FType == "N" {
this.Fields[index].IvtIdx = utils.NewInvertIdx(utils.TYPE_NUM, v.Name)
this.Fields[index].IvtNumDic = utils.NewNumberIdxDic(v.Name)
this.Fields[index].CustomeInter = cumstom
}
if v.FType == "I" {
this.Fields[index].IvtIdx = utils.NewInvertIdx(utils.TYPE_TEXT, v.Name)
this.Fields[index].IvtStrDic = utils.NewStringIdxDic(v.Name)
this.Fields[index].CustomeInter = cumstom
}
}
if v.IsPlf {
if v.FType == "T" {
this.Fields[index].PlfText = indexer.NewTextProfile(v.Name)
this.Fields[index].PlfText.SetCustomInterface(cumstom)
}
if v.FType == "N" {
this.Fields[index].PlfNumber = indexer.NewNumberProfile(v.Name)
this.Fields[index].PlfNumber.SetCustomInterface(cumstom)
}
if v.FType == "I" {
this.Fields[index].PlfByte = indexer.NewByteProfile(v.Name)
this.Fields[index].PlfByte.SetCustomInterface(cumstom)
}
}
}
//fmt.Printf("%v\n", fields)
this.DetailIdx = indexer.NewDetail()
sql := fmt.Sprintf(this.sql, fields[1:len(fields)])
fmt.Printf("SQL :: %v \n", sql)
rows, err := this.Dbadaptor.QueryFormat(sql)
if err != nil {
this.Logger.Error(" %v", err)
return err
}
defer rows.Close()
var doc_id int64
doc_id = 1
segment := utils.NewSegmenter("./data/dictionary.txt")
builder := &utils.IndexBuilder{Segmenter: segment, TempIndex: make(map[string][]utils.TmpIdx), TempIndexNum: make(map[string]int64)}
for rows.Next() {
//values := make([]interface{},len(this.Fields))
values := make([]interface{}, len(this.Fields))
writeCols := make([]string, len(this.Fields))
for i, _ := range writeCols {
values[i] = &writeCols[i]
}
err := rows.Scan(values...)
if err != nil {
this.Logger.Error("SQL ERROR : %v", err)
return err
}
redis_map := make(map[string]string)
for index, v := range writeCols {
redis_map[this.Fields[index].Name] = v
//v,_ := value.(string)
if this.Fields[index].IsIvt {
if this.Fields[index].FType == "T" || this.Fields[index].FType == "I" {
err := builder.BuildTextIndex(doc_id, v, this.Fields[index].IvtIdx, this.Fields[index].IvtStrDic, this.Fields[index].SType, false, this.Fields[index].CustomeInter)
//err := builder.BuildTextIndexTemp(doc_id, v, this.Fields[index].IvtIdx, this.Fields[index].IvtStrDic,this.Fields[index].SType,this.Fields[index].Name)
if err != nil {
this.Logger.Error("ERROR : %v", err)
}
}
if this.Fields[index].FType == "N" {
v_num, err := strconv.ParseInt(v, 0, 0)
if err != nil {
v_num = 0
//this.Logger.Warn("Warning : name : [%v] , value: [%v] , error : [%v]", this.Fields[index].Name, v, err)
}
err = builder.BuildNumberIndex(doc_id, v_num, this.Fields[index].IvtIdx, this.Fields[index].IvtNumDic, this.Fields[index].SType, false, this.Fields[index].CustomeInter)
//err = builder.BuildNumberIndexTemp(doc_id, v_num, this.Fields[index].IvtIdx, this.Fields[index].IvtNumDic,this.Fields[index].Name)
if err != nil {
this.Logger.Error("ERROR : %v", err)
}
}
}
if this.Fields[index].IsPlf {
if this.Fields[index].FType == "T" {
//添加日期类型的更新，仅精确到天 add by wuyinghao 2015-08-21
if this.Fields[index].SType == 5 {
vl := strings.Split(v, " ")
v = vl[0]
} else if this.Fields[index].SType == 9 {
v = this.Fields[index].PlfText.GetCustomInterface().BuildStringProfile(v)
}
err := this.Fields[index].PlfText.PutProfile(doc_id, v)
if err != nil {
this.Logger.Error("ERROR : %v", err)
}
}
if this.Fields[index].FType == "N" {
v_num, err := strconv.ParseInt(v, 0, 0)
if err != nil {
v_num = 0
//this.Logger.Warn("Warning : name : %v , value: %v , error : %v", this.Fields[index].Name, v, err)
}
if this.Fields[index].SType == 9 {
v_num = this.Fields[index].PlfNumber.GetCustomInterface().BuildIntProfile(v)
}
err = this.Fields[index].PlfNumber.PutProfile(doc_id, v_num)
if err != nil {
this.Logger.Error("ERROR : %v", err)
}
}
if this.Fields[index].FType == "I" {
v_byte := []byte(v)
if this.Fields[index].SType == 9 {
v_byte = this.Fields[index].PlfByte.GetCustomInterface().BuildByteProfile(v_byte)
}
err = this.Fields[index].PlfByte.PutProfile(doc_id, v_byte)
if err != nil {
this.Logger.Error("ERROR : %v", err)
}
}
}
}
/////
//this.RedisCli.SetFields(doc_id, redis_map)
////
//for k,v := range redis_map{
// fmt.Printf("\"%v\":\"%v\",",k,v)
//}
//fmt.Printf("\n")
if this.DetailIdx.PutDocInfo(doc_id, redis_map) != nil {
this.Logger.Error("PutDocInfo doc_id Error : %v \n", err)
}
fieldlist := make([]string, 0)
for k, _ := range redis_map {
fieldlist = append(fieldlist, k)
}
doc_id++
if doc_id%5000 == 0 {
this.Logger.Info("processing doc_id : %v \n", doc_id)
}
//this.Logger.Info("DOC_ID : %v VALUE : %v", doc_id, writeCols)
}
writeCount := 0
writeChan := make(chan string, 1000)
this.DetailIdx.WriteDetailToFile()
this.Logger.Info("Make BitMap File")
utils.MakeBitmapFile()
for index, _ := range this.Fields {
if this.Fields[index].IsIvt {
//utils.WriteToIndexFile(this.Fields[index].IvtIdx, fmt.Sprintf("./index/%v_idx.idx", this.Fields[index].Name))
this.Fields[index].IvtIdx.WriteToFile()
if this.Fields[index].FType == "T" || this.Fields[index].FType == "I" {
this.Fields[index].IvtStrDic.WriteToFile()
}
if this.Fields[index].FType == "N" {
this.Fields[index].IvtNumDic.WriteToFile()
}
}
if this.Fields[index].IsPlf {
if this.Fields[index].FType == "T" {
this.Fields[index].PlfText.WriteToFile()
}
if this.Fields[index].FType == "N" {
this.Fields[index].PlfNumber.WriteToFile()
}
if this.Fields[index].FType == "I" {
this.Fields[index].PlfByte.WriteToFile()
//go this.Fields[index].PlfByte.WriteToFileWithChan(writeChan)
//writeCount++
}
}
}
//fmt.Printf("Waiting %v threads\n ", writeCount)
if writeCount == 0 {
close(writeChan)
return nil
}
for {
select {
case file_name := <-writeChan:
writeCount--
fmt.Printf("Write [%v] finished \n ", file_name)
if writeCount == 0 {
fmt.Printf("Finish building all index...\n")
close(writeChan)
return nil
}
}
}
return nil
}