srijithr03 commented on code in PR #10903:
URL: https://github.com/apache/arrow-rs/pull/10903#discussion_r3889018686
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arrow-csv/src/reader/mod.rs:
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@@ -351,6 +362,16 @@ impl Format {
self
}
+ /// Whether to ignore extra fields when parsing.
+ ///
+ /// By default this is set to `ExtraFields::Error` and will error if the
CSV rows have more
+ /// columns than expected. When set to `ExtraFields::Ignore` then it will
allow records with
+ /// more than the expected number of columns and ignore the extra fields.
+ pub fn with_extra_fields(mut self, extra_fields: ExtraFields) -> Self {
+ self.extra_fields = extra_fields;
+ self
Review Comment:
Thanks for catching this. I’ve updated `Format::build_reader()` so
`ExtraFields::Ignore` also enables flexible parsing during schema inference.
I also added regression tests covering both `ExtraFields::Ignore` and
`ExtraFields::Error` during inference.
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