Send progress only when requested by client in SelectObject (#6467)

cmd/api-datatypes.go

@@ -69,7 +69,6 @@ type JSONType string
 // Constants for JSONTypes.
 const (
 	JSONDocumentType JSONType = "Document"
-	JSONStreamType            = "Stream"
 	JSONLinesType             = "Lines"
 )
 
@@ -80,6 +79,7 @@ type ObjectSelectRequest struct {
 	ExpressionType     QueryExpressionType
 	InputSerialization struct {
 		CompressionType SelectCompressionType
+		Parquet         *struct{}
 		CSV             *struct {
 			FileHeaderInfo       CSVFileHeaderInfo
 			RecordDelimiter      string
@@ -104,6 +104,9 @@ type ObjectSelectRequest struct {
 			RecordDelimiter string
 		}
 	}
+	RequestProgress struct {
+		Enabled bool
+	}
 }
 
 // ObjectIdentifier carries key name for the object to delete.

cmd/object-handlers.go

@@ -242,6 +242,7 @@ func (api objectAPIHandlers) SelectObjectContentHandler(w http.ResponseWriter, r
 			OutputFieldDelimiter: selectReq.OutputSerialization.CSV.FieldDelimiter,
 			StreamSize:           objInfo.Size,
 			HeaderOpt:            selectReq.InputSerialization.CSV.FileHeaderInfo == CSVFileHeaderInfoUse,
+			Progress:             selectReq.RequestProgress.Enabled,
 		}
 		s3s, err := s3select.NewInput(options)
 		if err != nil {