pitrou commented on a change in pull request #8632:
URL: https://github.com/apache/arrow/pull/8632#discussion_r524193403
##########
File path: cpp/src/parquet/encoding.cc
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@@ -127,6 +129,21 @@ class PlainEncoder : public EncoderImpl, virtual public
TypedEncoder<DType> {
}
protected:
+ template <typename ArrayType>
+ void PutBinaryArray(const ArrayType& array) {
+ const int64_t total_bytes =
+ array.value_offset(array.length()) - array.value_offset(0);
+ PARQUET_THROW_NOT_OK(sink_.Reserve(total_bytes + array.length() *
sizeof(uint32_t)));
Review comment:
I don't think so (these are `int64_t` calculations AFAICT). However, I
should fix the XXX below :-)
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