mapleFU opened a new issue, #34660:
URL: https://github.com/apache/arrow/issues/34660
### Describe the enhancement requested
Currently, some decoder doesn't support DecodeArrow, like:
```c++
int DecodeArrow(int num_values, int null_count, const uint8_t* valid_bits,
int64_t valid_bits_offset,
typename EncodingTraits<DType>::Accumulator* out) override
{
if (null_count != 0) {
ParquetException::NYI("Delta bit pack DecodeArrow with null slots");
}
std::vector<T> values(num_values);
int decoded_count = GetInternal(values.data(), num_values);
PARQUET_THROW_NOT_OK(out->AppendValues(values.data(), decoded_count));
return decoded_count;
}
```
We need to add and test them later
### Component(s)
C++, Parquet
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