wip: fix size = 0 error

internal/cmd/run.go

@@ -6,13 +6,14 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"github.com/loveuer/esgo2dump/log"
-	"github.com/loveuer/esgo2dump/model"
 	"net/url"
 	"os"
 	"strings"
 	"sync"
 
+	"github.com/loveuer/esgo2dump/log"
+	"github.com/loveuer/esgo2dump/model"
+
 	"github.com/loveuer/esgo2dump/internal/interfaces"
 	"github.com/loveuer/esgo2dump/internal/opt"
 	"github.com/loveuer/esgo2dump/internal/xes"
@@ -148,9 +149,7 @@ func executeData(ctx context.Context, input, output interfaces.DumpIO) error {
 	}
 
 	if f_query_file != "" {
-		var (
+		var qf *os.File
-			qf *os.File
-		)
 
 		if qf, err = os.Open(f_query_file); err != nil {
 			return fmt.Errorf("open query_file err=%v", err)
@@ -208,10 +207,10 @@ func executeData(ctx context.Context, input, output interfaces.DumpIO) error {
 	log.Info("Query: got queries=%d", len(queries))
 
 Loop:
-	for qi, query := range queries {
+	for queryIdx, query := range queries {
 		bs, _ := json.Marshal(query)
 
-		log.Debug("Query[%d]: %s", qi, string(bs))
+		log.Debug("Query[%d]: %s", queryIdx, string(bs))
 
 		dch, ech = input.ReadData(ctx, f_limit, query, sources, []string{f_sort})
 
@@ -294,7 +293,7 @@ ClientByFile:
 		}
 	}
 
-	if file, err = os.OpenFile(source, os.O_CREATE|os.O_RDWR, 0644); err != nil {
+	if file, err = os.OpenFile(source, os.O_CREATE|os.O_RDWR, 0o644); err != nil {
 		return nil, err
 	}
 

internal/opt/var.go

@@ -2,6 +2,7 @@ package opt
 
 const (
 	ScrollDurationSeconds = 10 * 60
+	DefaultSize           = 100
 )
 
 var (

xes/es7/read.go

@@ -5,13 +5,14 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
+	"time"
+
 	elastic "github.com/elastic/go-elasticsearch/v7"
 	"github.com/elastic/go-elasticsearch/v7/esapi"
 	"github.com/loveuer/esgo2dump/internal/util"
 	"github.com/loveuer/esgo2dump/log"
 	"github.com/loveuer/esgo2dump/model"
 	"github.com/samber/lo"
-	"time"
 )
 
 // ReadData
@@ -42,9 +43,7 @@ func ReadData(ctx context.Context, client *elastic.Client, index string, size, m
 					"scroll_id": scrollId,
 				})
 
-				var (
+				var rr *esapi.Response
-					rr *esapi.Response
-				)
 
 				if rr, err = client.ClearScroll(
 					client.ClearScroll.WithContext(util.Timeout(3)),
@@ -184,7 +183,7 @@ func ReadDataV2(
 			sort = []string{}
 		}
 
-		if query != nil && len(query) > 0 {
+		if len(query) > 0 {
 			body["query"] = query
 		}
 
@@ -200,10 +199,11 @@ func ReadDataV2(
 		}()
 
 		for {
+			ws := int(util.Min(size, max-total))
 			qs = []func(*esapi.SearchRequest){
 				client.Search.WithContext(util.TimeoutCtx(ctx, 30)),
 				client.Search.WithIndex(index),
-				client.Search.WithSize(int(util.Min(size, max-total))),
+				client.Search.WithSize(ws),
 				client.Search.WithSort(sorts...),
 			}
 
@@ -221,6 +221,8 @@ func ReadDataV2(
 				return
 			}
 
+			log.Debug("es7.ReadDataV2: search request size = %d, body = %s", ws, string(bs))
+
 			qs = append(qs, client.Search.WithBody(bytes.NewReader(bs)))
 			if resp, err = client.Search(qs...); err != nil {
 				errCh <- err
@@ -232,7 +234,7 @@ func ReadDataV2(
 				return
 			}
 
-			var result = new(model.ESResponseV7)
+			result := new(model.ESResponseV7)
 			decoder := json.NewDecoder(resp.Body)
 			if err = decoder.Decode(result); err != nil {
 				errCh <- err
@@ -245,6 +247,7 @@ func ReadDataV2(
 			}
 
 			dataCh <- result.Hits.Hits
+			log.Debug("es7.ReadDataV2: search response hits = %d", len(result.Hits.Hits))
 			total += uint64(len(result.Hits.Hits))
 
 			if uint64(len(result.Hits.Hits)) < size || (max > 0 && total >= max) {
@@ -253,9 +256,7 @@ func ReadDataV2(
 
 			searchAfter = result.Hits.Hits[len(result.Hits.Hits)-1].Sort
 		}
-
 	}()
 
 	return dataCh, errCh
-
 }