pitrou commented on code in PR #50926:
URL: https://github.com/apache/arrow/pull/50926#discussion_r3893301124
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cpp/src/arrow/dataset/file_csv.cc:
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@@ -161,7 +162,14 @@ Result<std::vector<std::string>> GetOrderedColumnNames(
uint32_t parsed_size = 0;
int32_t max_num_rows = read_options.skip_rows + 1;
- csv::BlockParser parser(pool, parse_options, /*num_cols=*/-1,
/*first_row=*/1,
+ std::optional<csv::ParseOptions> inspection_parse_options;
+ const auto* parser_options = &parse_options;
+ if (parse_options.pad_short_rows) {
Review Comment:
Can you just add a comment explaining this?
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