Add logs for method DataCollection.Save.

collection.go

@@ -8,6 +8,7 @@ import (
 	"git.bit5.ru/backend/meta"
 
 	"go.opentelemetry.io/otel/attribute"
+	"go.opentelemetry.io/otel/codes"
 )
 
 type DataCollection struct {
@@ -41,7 +42,10 @@ func (coll *DataCollection) Save(ctx context.Context) error {
 	fields := coll.GetDbFields()
 	countFields := len(fields)
 	if countFields == 0 {
-		return errors.New("Fields list is empty")
+		err := errors.New("Fields list is empty")
+		span.RecordError(err)
+		span.SetStatus(codes.Error, err.Error())
+		return err
 	}
 
 	countRows := len(coll.Items)
@@ -60,10 +64,21 @@ func (coll *DataCollection) Save(ctx context.Context) error {
 
 	// NOTE: performance fix: if none of rows have mask we can save all data by one sql query
 	if allDataWithoutMask {
-		return coll.saveWithoutMask(ctx)
+		if err := coll.saveWithoutMask(ctx); err != nil {
+			span.RecordError(err)
+			span.SetStatus(codes.Error, err.Error())
+			return err
+		}
+		return nil
 	}
 
-	return coll.saveByMask(ctx)
+	if err := coll.saveByMask(ctx); err != nil {
+		span.RecordError(err)
+		span.SetStatus(codes.Error, err.Error())
+		return err
+	}
+
+	return nil
 }
 
 func (coll *DataCollection) saveByMask(ctx context.Context) error {