zeroshade commented on code in PR #688:
URL: https://github.com/apache/iceberg-go/pull/688#discussion_r2710542268
##########
io/blob.go:
##########
@@ -42,26 +42,20 @@ type blobOpenFile struct {
ctx context.Context
}
-func (f *blobOpenFile) ReadAt(p []byte, off int64) (int, error) {
- rdr, err := f.b.Bucket.NewRangeReader(f.ctx, f.key, off, int64(len(p)),
nil)
- if err != nil {
- return 0, err
+func (f *blobOpenFile) ReadAt(p []byte, off int64) (n int, err error) {
+ var rdr io.ReadCloser
+ if f.b.newRangeReader != nil {
+ rdr, err = f.b.newRangeReader(f.ctx, f.key, off, int64(len(p)))
+ } else {
+ rdr, err = f.b.Bucket.NewRangeReader(f.ctx, f.key, off,
int64(len(p)), nil)
}
-
- // ensure the buffer is read, or EOF is reached for this read of this
"chunk"
- // given we are using offsets to read this block, it is constrained by
size of 'p'
- size, err := io.ReadFull(rdr, p)
if err != nil {
- if errors.Is(err, io.EOF) {
- return size, err
- }
- // check we are at the end of the underlying file
- if off+int64(size) > f.Size() {
- return size, err
- }
+ return 0, err
}
+ // not using internal.CheckedClose due to import cycle
+ defer func() { err = errors.Join(err, rdr.Close()) }()
- return size, rdr.Close()
+ return io.ReadFull(rdr, p)
Review Comment:
That's unexpected, we have to close every time we read?
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