[skip ci]Add comment for PayloadReader (#13486)

Signed-off-by: shaoyue.chen <shaoyue.chen@zilliz.com>
2021-12-16 09:37:22 +08:00 · 2021-12-16 09:37:22 +08:00 · 1f2c098fe7
parent 7b38d4522f
commit 1f2c098fe7
1 changed files with 1 additions and 0 deletions
--- a/internal/storage/payload.go
+++ b/internal/storage/payload.go
@ -349,6 +349,7 @@ func NewPayloadReader(colType schemapb.DataType, buf []byte) (*PayloadReader, er
 	return &PayloadReader{payloadReaderPtr: r, colType: colType}, nil
 }

+// GetDataFromPayload returns data,length from payload, returns err if failed
 // Params:
 //      `idx`: String index
 // Return: