emkornfield commented on a change in pull request #9862:
URL: https://github.com/apache/arrow/pull/9862#discussion_r606823748
##########
File path: go/arrow/ipc/file_reader.go
##########
@@ -348,10 +356,26 @@ func (src *ipcSource) buffer(i int) *memory.Buffer {
return memory.NewBufferBytes(nil)
}
- raw := make([]byte, buf.Length())
- _, err := src.r.ReadAt(raw, buf.Offset())
- if err != nil {
- panic(err)
+ var raw []byte
+ if src.codec == nil {
+ raw = make([]byte, buf.Length())
+ _, err := src.r.ReadAt(raw, buf.Offset())
+ if err != nil {
+ panic(err)
Review comment:
seems OK to me. I don't know Go well enough but for IO related code I
would expect failures at least some of the time and I thought panic was meant
for actual "stop the entire program" type errors.
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