feat: es7 read data(scroll => search_after)

go.mod

@@ -7,7 +7,6 @@ require (
 	github.com/elastic/go-elasticsearch/v7 v7.17.10
 	github.com/fatih/color v1.16.0
 	github.com/samber/lo v1.39.0
-	github.com/sirupsen/logrus v1.9.3
 	github.com/spf13/cobra v1.8.0
 )
 
@@ -16,7 +15,6 @@ require (
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
-	github.com/stretchr/testify v1.8.4 // indirect
 	golang.org/x/exp v0.0.0-20220303212507-bbda1eaf7a17 // indirect
 	golang.org/x/sys v0.14.0 // indirect
 )

go.sum

@@ -1,7 +1,4 @@
 github.com/cpuguy83/go-md2man/v2 v2.0.3/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
-github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
-github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/elastic/go-elasticsearch/v6 v6.8.10 h1:2lN0gJ93gMBXvkhwih5xquldszpm8FlUwqG5sPzr6a8=
 github.com/elastic/go-elasticsearch/v6 v6.8.10/go.mod h1:UwaDJsD3rWLM5rKNFzv9hgox93HoX8utj1kxD9aFUcI=
 github.com/elastic/go-elasticsearch/v7 v7.17.10 h1:TCQ8i4PmIJuBunvBS6bwT2ybzVFxxUhhltAs3Gyu1yo=
@@ -15,29 +12,18 @@ github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovk
 github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
 github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
 github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
-github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
-github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
 github.com/samber/lo v1.39.0 h1:4gTz1wUhNYLhFSKl6O+8peW0v2F4BCY034GRpU9WnuA=
 github.com/samber/lo v1.39.0/go.mod h1:+m/ZKRl6ClXCE2Lgf3MsQlWfh4bn1bz6CXEOxnEXnEA=
-github.com/sirupsen/logrus v1.9.3 h1:dueUQJ1C2q9oE3F7wvmSGAaVtTmUizReu6fjN8uqzbQ=
-github.com/sirupsen/logrus v1.9.3/go.mod h1:naHLuLoDiP4jHNo9R0sCBMtWGeIprob74mVsIT4qYEQ=
 github.com/spf13/cobra v1.8.0 h1:7aJaZx1B85qltLMc546zn58BxxfZdR/W22ej9CFoEf0=
 github.com/spf13/cobra v1.8.0/go.mod h1:WXLWApfZ71AjXPya3WOlMsY9yMs7YeiHhFVlvLyhcho=
 github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
 github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
-github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
-github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
-github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
-github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
 golang.org/x/exp v0.0.0-20220303212507-bbda1eaf7a17 h1:3MTrJm4PyNL9NBqvYDSj3DHl46qQakyfqfWo4jgfaEM=
 golang.org/x/exp v0.0.0-20220303212507-bbda1eaf7a17/go.mod h1:lgLbSvA5ygNOMpwM/9anMpWVlVJ7Z+cHWq/eFuinpGE=
-golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.14.0 h1:Vz7Qs629MkJkGyHxUlRHizWJRG2j8fbQKjELVSNhy7Q=
 golang.org/x/sys v0.14.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

internal/cmd/cmd.go

@@ -37,6 +37,7 @@ esgo2dump --input=http://127.0.0.1:9200/some_index --output=./data.json --query_
 	f_limit  int
 	f_type   string
 	f_source string
+	f_sort   string
 	f_query  string
 
 	f_query_file string
@@ -57,6 +58,7 @@ func init() {
 	rootCommand.Flags().StringVar(&es_oversion, "o-version", "7", "output(es) version")
 	rootCommand.Flags().StringVarP(&f_type, "type", "t", "data", "data/mapping/setting")
 	rootCommand.Flags().StringVarP(&f_source, "source", "s", "", "query source, use ';' to separate")
+	rootCommand.Flags().StringVar(&f_sort, "sort", "", "sort, <field>:<direction> format, for example: time:desc or name:asc")
 	rootCommand.Flags().StringVarP(&f_query, "query", "q", "", `query dsl, example: {"bool":{"must":[{"term":{"name":{"value":"some_name"}}}],"must_not":[{"range":{"age":{"gte":18,"lt":60}}}]}}`)
 	rootCommand.Flags().StringVar(&f_query_file, "query_file", "", `query json file (will execute line by line)`)
 	rootCommand.Flags().IntVarP(&f_limit, "limit", "l", 100, "")

internal/cmd/run.go

@@ -11,13 +11,13 @@ import (
 	"net/url"
 	"os"
 	"strings"
+	"sync"
 
 	"github.com/loveuer/esgo2dump/internal/interfaces"
 	"github.com/loveuer/esgo2dump/internal/opt"
 	"github.com/loveuer/esgo2dump/internal/xes"
 	"github.com/loveuer/esgo2dump/internal/xfile"
 	"github.com/samber/lo"
-	"github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
 )
 
@@ -52,9 +52,7 @@ func run(cmd *cobra.Command, args []string) error {
 	)
 
 	if opt.Debug {
-		logrus.SetLevel(logrus.DebugLevel)
-		logrus.SetReportCaller(true)
-		logrus.SetFormatter(&logrus.JSONFormatter{})
+		log.SetLogLevel(log.LogLevelDebug)
 	}
 
 	if f_version {
@@ -195,24 +193,27 @@ func executeData(ctx context.Context, input, output interfaces.DumpIO) error {
 
 		e2ch = make(chan error)
 		wch  = make(chan []*model.ESSource)
+		wg   = sync.WaitGroup{}
 	)
 
 	go func() {
-		defer func() {
-			close(wch)
-			close(e2ch)
-		}()
-
+		wg.Add(1)
 		if err = output.WriteData(ctx, wch); err != nil {
 			e2ch <- err
 		}
+
+		wg.Done()
 	}()
 
 	log.Info("Query: got queries=%d", len(queries))
 
 Loop:
-	for _, query := range queries {
-		dch, ech = input.ReadData(ctx, f_limit, query, sources)
+	for qi, query := range queries {
+		bs, _ := json.Marshal(query)
+
+		log.Debug("Query[%d]: %s", qi, string(bs))
+
+		dch, ech = input.ReadData(ctx, f_limit, query, sources, []string{f_sort})
 
 		for {
 			select {
@@ -236,6 +237,10 @@ Loop:
 		}
 	}
 
+	close(wch)
+
+	wg.Wait()
+
 	return nil
 }
 
@@ -247,50 +252,26 @@ func newIO(source string, ioType interfaces.IO, esv string) (interfaces.DumpIO,
 		qm   = make(map[string]any)
 	)
 
-	logrus.
-		WithField("action", "new_io").
-		WithField("type", ioType.Code()).
-		WithField("source", source).
-		WithField("es_version", esv).
-		Debug()
+	log.Debug("action=%s, type=%s, source=%s, es_version=%s", "new_io", ioType.Code(), source, esv)
 
 	if iurl, err = url.Parse(source); err != nil {
-		logrus.
-			WithField("action", "new_io url parse error").
-			WithField("type", ioType.Code()).
-			WithField("source", source).
-			WithField("err", err).
-			Debug()
+		log.Debug("action=%s, type=%s, source=%s, err=%s", "new_io url parse err", ioType.Code(), source, err.Error())
 		goto ClientByFile
 	}
 
 	if !(iurl.Scheme == "http" || iurl.Scheme == "https") {
-		logrus.
-			WithField("action", "new_io url scheme error").
-			WithField("type", ioType.Code()).
-			WithField("source", source).
-			WithField("scheme", iurl.Scheme).
-			Debug()
+		log.Debug("action=%s, type=%s, source=%s, scheme=%s", "new_io url scheme error", ioType.Code(), source, iurl.Scheme)
 		goto ClientByFile
 	}
 
 	if iurl.Host == "" {
-		logrus.
-			WithField("action", "new_io url host empty").
-			WithField("type", ioType.Code()).
-			WithField("source", source).
-			Debug()
+		log.Debug("action=%s, type=%s, source=%s", "new_io url host empty", ioType.Code(), source)
 		goto ClientByFile
 	}
 
 	if ioType == interfaces.IOInput && f_query != "" {
 		if err = json.Unmarshal([]byte(f_query), &qm); err != nil {
-			logrus.
-				WithField("action", "new_io query string invalid").
-				WithField("type", ioType.Code()).
-				WithField("source", source).
-				WithField("query", f_query).
-				Debug()
+			log.Debug("action=%s, type=%s, source=%s, query=%s", "new_io query string invalid", ioType.Code(), source, f_query)
 			return nil, fmt.Errorf("invalid query err=%v", err)
 		}
 	}

internal/interfaces/dumpio.go

@@ -6,7 +6,7 @@ import (
 )
 
 type DumpIO interface {
-	ReadData(ctx context.Context, size int, query map[string]any, includeFields []string) (<-chan []*model.ESSource, <-chan error)
+	ReadData(ctx context.Context, size int, query map[string]any, includeFields []string, sort []string) (<-chan []*model.ESSource, <-chan error)
 	WriteData(ctx context.Context, docsCh <-chan []*model.ESSource) error
 
 	ReadMapping(context.Context) (map[string]any, error)

internal/util/min.go

@@ -0,0 +1,9 @@
+package util
+
+func Min[T ~string | ~int | ~int64 | ~uint64 | ~float64 | ~float32 | ~int32 | ~uint32 | ~int16 | ~uint16 | ~int8 | ~uint8](a, b T) T {
+	if a <= b {
+		return a
+	}
+
+	return b
+}

internal/xes/xes6.go

@@ -20,7 +20,6 @@ import (
 	"github.com/loveuer/esgo2dump/internal/interfaces"
 	"github.com/loveuer/esgo2dump/internal/opt"
 	"github.com/loveuer/esgo2dump/internal/util"
-	"github.com/sirupsen/logrus"
 )
 
 func NewClientV6(url *url.URL, iot interfaces.IO) (interfaces.DumpIO, error) {
@@ -41,13 +40,7 @@ func NewClientV6(url *url.URL, iot interfaces.IO) (interfaces.DumpIO, error) {
 		}
 	}
 
-	logrus.
-		WithField("action", "new es client v6").
-		WithField("endpoint", address).
-		WithField("index", urlIndex).
-		WithField("username", urlUsername).
-		WithField("password", urlPassword).
-		Debug()
+	log.Debug("action=%s, endpoint=%s, index=%s, username=%s, password=%s", "new es client v6", address, urlIndex, urlUsername, urlPassword)
 
 	if urlIndex == "" {
 		return nil, fmt.Errorf("please specify index name: (like => http://127.0.0.1:9200/my_index)")
@@ -75,30 +68,20 @@ func NewClientV6(url *url.URL, iot interfaces.IO) (interfaces.DumpIO, error) {
 				},
 			},
 		); err != nil {
-			logrus.
-				WithField("action", "new es client v6 error").
-				WithField("endpoints", endpoints).
-				WithField("err", err).
-				Debug()
+			log.Debug("action=%s, endpoints=%v, err=%s", "new es client v6 error", endpoints, err.Error())
 			errCh <- err
 			return
 		}
 
 		if infoResp, err = cli.Info(); err != nil {
-			logrus.
-				WithField("action", "es client v6 ping error").
-				WithField("err", err).
-				Debug()
+			log.Debug("action=%s, endpoints=%v, err=%s", "new es client v6 info error", endpoints, err.Error())
 			errCh <- err
 			return
 		}
 
 		if infoResp.StatusCode != 200 {
 			err = fmt.Errorf("info xes status=%d", infoResp.StatusCode)
-			logrus.
-				WithField("action", "es client v6 ping status error").
-				WithField("status", infoResp.StatusCode).
-				Debug()
+			log.Debug("action=%s, endpoints=%v, err=%s", "es client v6 ping status error", endpoints, err.Error())
 			errCh <- err
 			return
 		}
@@ -152,8 +135,8 @@ func (c *clientv6) Close() error {
 	return nil
 }
 
-func (c *clientv6) ReadData(ctx context.Context, size int, query map[string]any, source []string) (<-chan []*model.ESSource, <-chan error) {
-	dch, ech := es6.ReadData(ctx, c.client, c.index, size, 0, query, source)
+func (c *clientv6) ReadData(ctx context.Context, size int, query map[string]any, source []string, sort []string) (<-chan []*model.ESSource, <-chan error) {
+	dch, ech := es6.ReadData(ctx, c.client, c.index, size, 0, query, source, sort)
 
 	return dch, ech
 }

internal/xes/xes7.go

@@ -70,63 +70,8 @@ func (c *client) Close() error {
 	return nil
 }
 
-//func (c *client) WriteData(ctx context.Context, docs []*model.ESSource) (int, error) {
-//	var (
-//		err     error
-//		indexer esutil.BulkIndexer
-//		count   int
-//		be      error
-//	)
-//	if indexer, err = esutil.NewBulkIndexer(esutil.BulkIndexerConfig{
-//		Client:     c.client,
-//		Index:      c.index,
-//		ErrorTrace: true,
-//		OnError: func(ctx context.Context, err error) {
-//
-//		},
-//	}); err != nil {
-//		return 0, err
-//	}
-//
-//	for _, doc := range docs {
-//		var bs []byte
-//
-//		if bs, err = json.Marshal(doc.Content); err != nil {
-//			return 0, err
-//		}
-//
-//		if err = indexer.Add(context.Background(), esutil.BulkIndexerItem{
-//			Action:     "index",
-//			Index:      c.index,
-//			DocumentID: doc.DocId,
-//			Body:       bytes.NewReader(bs),
-//			OnFailure: func(ctx context.Context, item esutil.BulkIndexerItem, item2 esutil.BulkIndexerResponseItem, bulkErr error) {
-//				be = bulkErr
-//			},
-//		}); err != nil {
-//			return 0, err
-//		}
-//		count++
-//	}
-//
-//	if err = indexer.Close(util.TimeoutCtx(ctx, opt.Timeout)); err != nil {
-//		return 0, err
-//	}
-//
-//	if be != nil {
-//		return 0, be
-//	}
-//
-//	stats := indexer.Stats()
-//	if stats.NumFailed > 0 {
-//		return count, fmt.Errorf("write to xes failed_count=%d bulk_count=%d", stats.NumFailed, count)
-//	}
-//
-//	return count, nil
-//}
-
-func (c *client) ReadData(ctx context.Context, size int, query map[string]any, source []string) (<-chan []*model.ESSource, <-chan error) {
-	dch, ech := es7.ReadData(ctx, c.client, c.index, size, 0, query, source)
+func (c *client) ReadData(ctx context.Context, size int, query map[string]any, source []string, sort []string) (<-chan []*model.ESSource, <-chan error) {
+	dch, ech := es7.ReadDataV2(ctx, c.client, c.index, size, 0, query, source, sort)
 
 	return dch, ech
 }

internal/xfile/xfile.go

@@ -110,7 +110,7 @@ func (c *client) IsFile() bool {
 	return true
 }
 
-func (c *client) ReadData(ctx context.Context, size int, _ map[string]any, _ []string) (<-chan []*model.ESSource, <-chan error) {
+func (c *client) ReadData(ctx context.Context, size int, _ map[string]any, _ []string, _ []string) (<-chan []*model.ESSource, <-chan error) {
 	var (
 		err   error
 		count = 0

log/default.go

@@ -0,0 +1,67 @@
+package log
+
+import (
+	"fmt"
+	"os"
+	"sync"
+)
+
+var (
+	nilLogger    = func(prefix, timestamp, msg string, data ...any) {}
+	normalLogger = func(prefix, timestamp, msg string, data ...any) {
+		fmt.Printf(prefix+"| "+timestamp+" | "+msg+"\n", data...)
+	}
+
+	panicLogger = func(prefix, timestamp, msg string, data ...any) {
+		panic(fmt.Sprintf(prefix+"| "+timestamp+" | "+msg+"\n", data...))
+	}
+
+	fatalLogger = func(prefix, timestamp, msg string, data ...any) {
+		fmt.Printf(prefix+"| "+timestamp+" | "+msg+"\n", data...)
+		os.Exit(1)
+	}
+
+	defaultLogger = &logger{
+		Mutex:      sync.Mutex{},
+		timeFormat: "2006-01-02T15:04:05",
+		writer:     os.Stdout,
+		level:      LogLevelInfo,
+		debug:      nilLogger,
+		info:       normalLogger,
+		warn:       normalLogger,
+		error:      normalLogger,
+		panic:      panicLogger,
+		fatal:      fatalLogger,
+	}
+)
+
+func SetTimeFormat(format string) {
+	defaultLogger.SetTimeFormat(format)
+}
+
+func SetLogLevel(level LogLevel) {
+	defaultLogger.SetLogLevel(level)
+}
+
+func Debug(msg string, data ...any) {
+	defaultLogger.Debug(msg, data...)
+}
+func Info(msg string, data ...any) {
+	defaultLogger.Info(msg, data...)
+}
+
+func Warn(msg string, data ...any) {
+	defaultLogger.Warn(msg, data...)
+}
+
+func Error(msg string, data ...any) {
+	defaultLogger.Error(msg, data...)
+}
+
+func Panic(msg string, data ...any) {
+	defaultLogger.Panic(msg, data...)
+}
+
+func Fatal(msg string, data ...any) {
+	defaultLogger.Fatal(msg, data...)
+}

log/log.go

@@ -1,52 +1,113 @@
 package log
 
 import (
-	"bytes"
-	"fmt"
 	"github.com/fatih/color"
+	"io"
 	"sync"
 	"time"
 )
 
-var (
-	red    = color.New(color.FgRed)
-	green  = color.New(color.FgGreen)
-	yellow = color.New(color.FgYellow)
+type LogLevel uint32
 
-	locker = &sync.Mutex{}
-
-	timeFormat = "06-01-02T15:04:05"
+const (
+	LogLevelDebug = iota
+	LogLevelInfo
+	LogLevelWarn
+	LogLevelError
+	LogLevelPanic
+	LogLevelFatal
 )
 
-func SetTimeFormat(format string) {
-	locker.Lock()
-	defer locker.Unlock()
-
-	timeFormat = format
+type logger struct {
+	sync.Mutex
+	timeFormat string
+	writer     io.Writer
+	level      LogLevel
+	debug      func(prefix, timestamp, msg string, data ...any)
+	info       func(prefix, timestamp, msg string, data ...any)
+	warn       func(prefix, timestamp, msg string, data ...any)
+	error      func(prefix, timestamp, msg string, data ...any)
+	panic      func(prefix, timestamp, msg string, data ...any)
+	fatal      func(prefix, timestamp, msg string, data ...any)
 }
 
-func Info(msg string, data ...any) {
-	buf := &bytes.Buffer{}
-	_, _ = green.Fprint(buf, "Info  ")
-	_, _ = fmt.Fprintf(buf, "| %s | ", time.Now().Format(timeFormat))
-	_, _ = fmt.Fprintf(buf, msg, data...)
-	fmt.Println(buf.String())
+var (
+	red    = color.New(color.FgRed)
+	hired  = color.New(color.FgHiRed)
+	green  = color.New(color.FgGreen)
+	yellow = color.New(color.FgYellow)
+	white  = color.New(color.FgWhite)
+)
+
+func (l *logger) SetTimeFormat(format string) {
+	l.Lock()
+	defer l.Unlock()
+	l.timeFormat = format
 }
 
-func Warn(msg string, data ...any) {
-	buf := &bytes.Buffer{}
-	_, _ = yellow.Fprint(buf, "Warn  ")
-	_, _ = fmt.Fprintf(buf, "| %s | ", time.Now().Format(timeFormat))
-	_, _ = fmt.Fprintf(buf, msg, data...)
-	fmt.Println(buf.String())
+func (l *logger) SetLogLevel(level LogLevel) {
+	l.Lock()
+	defer l.Unlock()
+
+	if level > LogLevelDebug {
+		l.debug = nilLogger
+	} else {
+		l.debug = normalLogger
+	}
+
+	if level > LogLevelInfo {
+		l.info = nilLogger
+	} else {
+		l.info = normalLogger
+	}
+
+	if level > LogLevelWarn {
+		l.warn = nilLogger
+	} else {
+		l.warn = normalLogger
+	}
+
+	if level > LogLevelError {
+		l.error = nilLogger
+	} else {
+		l.error = normalLogger
+	}
+
+	if level > LogLevelPanic {
+		l.panic = nilLogger
+	} else {
+		l.panic = panicLogger
+	}
+
+	if level > LogLevelFatal {
+		l.fatal = nilLogger
+	} else {
+		l.fatal = fatalLogger
+	}
 }
 
-func Error(msg string, data ...any) {
-	buf := &bytes.Buffer{}
-	_, _ = red.Fprint(buf, "Error ")
-	_, _ = fmt.Fprintf(buf, "| %s | ", time.Now().Format(timeFormat))
-	_, _ = fmt.Fprintf(buf, msg, data...)
-	fmt.Println(buf.String())
+func (l *logger) Debug(msg string, data ...any) {
+	l.debug(white.Sprint("Debug "), time.Now().Format(l.timeFormat), msg, data...)
+}
+
+func (l *logger) Info(msg string, data ...any) {
+	l.info(green.Sprint("Info  "), time.Now().Format(l.timeFormat), msg, data...)
+}
+
+func (l *logger) Warn(msg string, data ...any) {
+	l.warn(yellow.Sprint("Warn  "), time.Now().Format(l.timeFormat), msg, data...)
+}
+
+func (l *logger) Error(msg string, data ...any) {
+	l.error(red.Sprint("Error "), time.Now().Format(l.timeFormat), msg, data...)
+}
+
+func (l *logger) Panic(msg string, data ...any) {
+	l.panic(hired.Sprint("Panic "), time.Now().Format(l.timeFormat), msg, data...)
+}
+
+func (l *logger) Fatal(msg string, data ...any) {
+	l.fatal(hired.Sprint("Fatal "), time.Now().Format(l.timeFormat), msg, data...)
 }
 
 type WroteLogger interface {

log/new.go

@@ -0,0 +1,21 @@
+package log
+
+import (
+	"os"
+	"sync"
+)
+
+func New() *logger {
+	return &logger{
+		Mutex:      sync.Mutex{},
+		timeFormat: "2006-01-02T15:04:05",
+		writer:     os.Stdout,
+		level:      LogLevelInfo,
+		debug:      nilLogger,
+		info:       normalLogger,
+		warn:       normalLogger,
+		error:      normalLogger,
+		panic:      panicLogger,
+		fatal:      fatalLogger,
+	}
+}

model/es.go

@@ -4,6 +4,7 @@ type ESSource struct {
 	DocId   string         `json:"_id"`
 	Index   string         `json:"_index"`
 	Content map[string]any `json:"_source"`
+	Sort    []any          `json:"sort"`
 }
 
 type ESResponse struct {

xes/es6/read.go

@@ -10,10 +10,11 @@ import (
 	"github.com/loveuer/esgo2dump/internal/util"
 	"github.com/loveuer/esgo2dump/log"
 	"github.com/loveuer/esgo2dump/model"
+	"github.com/samber/lo"
 	"time"
 )
 
-func ReadData(ctx context.Context, client *elastic.Client, index string, size, max int, query map[string]any, source []string) (<-chan []*model.ESSource, <-chan error) {
+func ReadData(ctx context.Context, client *elastic.Client, index string, size, max int, query map[string]any, source []string, sort []string) (<-chan []*model.ESSource, <-chan error) {
 	var (
 		dataCh = make(chan []*model.ESSource)
 		errCh  = make(chan error)
@@ -71,6 +72,16 @@ func ReadData(ctx context.Context, client *elastic.Client, index string, size, m
 			qs = append(qs, client.Search.WithSourceIncludes(source...))
 		}
 
+		if len(sort) > 0 {
+			sorts := lo.Filter(sort, func(item string, index int) bool {
+				return item != ""
+			})
+
+			if len(sorts) > 0 {
+				qs = append(qs, client.Search.WithSort(sorts...))
+			}
+		}
+
 		if query != nil && len(query) > 0 {
 			queryBs, _ := json.Marshal(map[string]any{"query": query})
 			qs = append(qs, client.Search.WithBody(bytes.NewReader(queryBs)))

xes/es7/read.go

@@ -10,10 +10,15 @@ import (
 	"github.com/loveuer/esgo2dump/internal/util"
 	"github.com/loveuer/esgo2dump/log"
 	"github.com/loveuer/esgo2dump/model"
+	"github.com/samber/lo"
 	"time"
 )
 
-func ReadData(ctx context.Context, client *elastic.Client, index string, size, max int, query map[string]any, source []string) (<-chan []*model.ESSource, <-chan error) {
+// ReadData
+// Deprecated
+// @param[source]: a list of include fields to extract and return from the _source field.
+// @param[sort]:   a list of <field>:<direction> pairs.
+func ReadData(ctx context.Context, client *elastic.Client, index string, size, max int, query map[string]any, source []string, sort []string) (<-chan []*model.ESSource, <-chan error) {
 	var (
 		dataCh = make(chan []*model.ESSource)
 		errCh  = make(chan error)
@@ -71,6 +76,16 @@ func ReadData(ctx context.Context, client *elastic.Client, index string, size, m
 			qs = append(qs, client.Search.WithSourceIncludes(source...))
 		}
 
+		if len(sort) > 0 {
+			sorts := lo.Filter(sort, func(item string, index int) bool {
+				return item != ""
+			})
+
+			if len(sorts) > 0 {
+				qs = append(qs, client.Search.WithSort(sorts...))
+			}
+		}
+
 		if query != nil && len(query) > 0 {
 			queryBs, _ := json.Marshal(map[string]any{"query": query})
 			qs = append(qs, client.Search.WithBody(bytes.NewReader(queryBs)))
@@ -134,3 +149,113 @@ func ReadData(ctx context.Context, client *elastic.Client, index string, size, m
 
 	return dataCh, errCh
 }
+
+// ReadDataV2 es7 read data
+/*
+	- @param[source]: a list of include fields to extract and return from the _source field.
+    - @param[sort]:   a list of <field>:<direction> pairs.
+*/
+func ReadDataV2(
+	ctx context.Context,
+	client *elastic.Client,
+	index string,
+	size, max int,
+	query map[string]any,
+	source []string,
+	sort []string,
+) (<-chan []*model.ESSource, <-chan error) {
+	var (
+		dataCh = make(chan []*model.ESSource)
+		errCh  = make(chan error)
+	)
+
+	go func() {
+		var (
+			err         error
+			bs          []byte
+			resp        *esapi.Response
+			searchAfter = make([]any, 0)
+			total       = 0
+			body        = make(map[string]any)
+			qs          []func(request *esapi.SearchRequest)
+		)
+
+		if sort == nil {
+			sort = []string{}
+		}
+
+		if query != nil && len(query) > 0 {
+			body["query"] = query
+		}
+
+		sort = append(sort, "_id:ASC")
+
+		sorts := lo.Filter(sort, func(item string, index int) bool {
+			return item != ""
+		})
+
+		defer func() {
+			close(dataCh)
+			close(errCh)
+		}()
+
+		for {
+			qs = []func(*esapi.SearchRequest){
+				client.Search.WithContext(util.TimeoutCtx(ctx, 30)),
+				client.Search.WithIndex(index),
+				client.Search.WithSize(util.Min(size, max-total)),
+				client.Search.WithSort(sorts...),
+			}
+
+			if len(source) > 0 {
+				qs = append(qs, client.Search.WithSourceIncludes(source...))
+			}
+
+			delete(body, "search_after")
+			if len(searchAfter) > 0 {
+				body["search_after"] = searchAfter
+			}
+
+			if bs, err = json.Marshal(body); err != nil {
+				errCh <- err
+				return
+			}
+
+			qs = append(qs, client.Search.WithBody(bytes.NewReader(bs)))
+			if resp, err = client.Search(qs...); err != nil {
+				errCh <- err
+				return
+			}
+
+			if resp.StatusCode != 200 {
+				errCh <- fmt.Errorf("resp status=%d, resp=%s", resp.StatusCode, resp.String())
+				return
+			}
+
+			var result = new(model.ESResponse)
+			decoder := json.NewDecoder(resp.Body)
+			if err = decoder.Decode(result); err != nil {
+				errCh <- err
+				return
+			}
+
+			if resp.StatusCode != 200 {
+				errCh <- fmt.Errorf("resp status=%d, resp=%s", resp.StatusCode, resp.String())
+				return
+			}
+
+			dataCh <- result.Hits.Hits
+			total += len(result.Hits.Hits)
+
+			if len(result.Hits.Hits) < size || (max > 0 && total >= max) {
+				break
+			}
+
+			searchAfter = result.Hits.Hits[len(result.Hits.Hits)-1].Sort
+		}
+
+	}()
+
+	return dataCh, errCh
+
+}