don4get commented on PR #43607:
URL: https://github.com/apache/arrow/pull/43607#issuecomment-2345983053
> What is the error that you get when running it locally without the `noasm`
flag? Did you expect there to be an error?
>
> That particular flag controls whether or not optimized assembly code is
utilized for decoding values, when that flag is set the library will fall back
to pure go implementations of several decoding aspects such as unpacking
booleans or packed integers. Without that flag, SIMD (vectorized)
implementations of those functions are used instead on a per-architecture basis
(falling back to pure go if we don't have optimized assembly for a given
platform).
```
file_reader_test.go:409:
Error Trace:
/arrow/go/parquet/pqarrow/file_reader_test.go:409
Error: An error is expected but got nil.
```
```
_, err = arrowRdr.ReadTable(ctx)
assert.Error(t, err)
```
https://github.com/don4get/arrow/blob/589c3e4df00ca906c65830fa4e90ca182f424276/go/parquet/pqarrow/file_reader_test.go#L409
While the default implementation fails to read the table (it returns an
error), the `noasm` version does not fail (does not return an error).
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