westonpace commented on a change in pull request #11892:
URL: https://github.com/apache/arrow/pull/11892#discussion_r764388441
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File path: cpp/src/arrow/dataset/file_csv.cc
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@@ -85,7 +86,13 @@ Result<std::unordered_set<std::string>> GetColumnNames(
RETURN_NOT_OK(
parser.VisitLastRow([&](const uint8_t* data, uint32_t size, bool quoted)
-> Status {
- util::string_view view{reinterpret_cast<const char*>(data), size};
+ // Skip BOM when reading column names (ARROW-14644)
+ ARROW_ASSIGN_OR_RAISE(auto data2, util::SkipUTF8BOM(data, size));
Review comment:
Minor nit: I don't love `data2` as a name. Maybe `data_no_bom` or
`sliced_data`.
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