feat: support es sort

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

@@ -209,7 +209,7 @@ func executeData(ctx context.Context, input, output interfaces.DumpIO) error {
 
 Loop:
 	for _, query := range queries {
-		dch, ech = input.ReadData(ctx, f_limit, query, sources)
+		dch, ech = input.ReadData(ctx, f_limit, query, sources, []string{f_sort})
 
 		for {
 			select {

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/xes/xes6.go

@@ -135,8 +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) {
+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)
+	dch, ech := es6.ReadData(ctx, c.client, c.index, size, 0, query, source, sort)
 
 	return dch, ech
 }

internal/xes/xes7.go

@@ -125,8 +125,8 @@ func (c *client) Close() error {
 //	return count, nil
 //}
 
-func (c *client) ReadData(ctx context.Context, size int, query map[string]any, source []string) (<-chan []*model.ESSource, <-chan error) {
+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.ReadData(ctx, c.client, c.index, size, 0, query, source)
+	dch, ech := es7.ReadData(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

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 +10,14 @@ 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 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 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 +75,16 @@ 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)))