rtyler commented on code in PR #20813:
URL: https://github.com/apache/datafusion/pull/20813#discussion_r3021918896
##########
datafusion/common/src/parsers.rs:
##########
@@ -73,3 +73,48 @@ impl CompressionTypeVariant {
!matches!(self, &Self::UNCOMPRESSED)
}
}
+
+/// CSV quote style
+///
+/// Controls when fields are quoted when writing CSV files.
+/// Corresponds to [`arrow::csv::QuoteStyle`].
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, Default)]
+pub enum CsvQuoteStyle {
+ /// Quote all fields
+ Always,
+ /// Only quote fields when necessary (default)
+ #[default]
+ Necessary,
+ /// Quote all non-numeric fields
+ NonNumeric,
+ /// Never quote fields
+ Never,
+}
Review Comment:
For my own understanding is this duplicated from the arrow-csv crate in
order to add more trait implementations? I am less familiar with the protocol
buffer stuff that happens in Datafusion, but figure there must be a reason for
the struct to be ruplicated
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