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shortcut for empty file

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This commit is contained in:
Chris Lu
2019-01-08 09:03:28 -08:00
parent 88849b9807
commit badd8fdf8f
1 changed files with 3 additions and 0 deletions
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3
weed/storage/volume_read_write.go
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@@ -145,6 +145,9 @@ func (v *Volume) readNeedle(n *Needle) (int, error) {
if nv.Size == TombstoneFileSize { if nv.Size == TombstoneFileSize {
return -1, errors.New("already deleted") return -1, errors.New("already deleted")
} }
if nv.Size == 0 {
return 0, nil
}
err := n.ReadData(v.dataFile, int64(nv.Offset)*NeedlePaddingSize, nv.Size, v.Version()) err := n.ReadData(v.dataFile, int64(nv.Offset)*NeedlePaddingSize, nv.Size, v.Version())
if err != nil { if err != nil {
return 0, err return 0, err