Jefffrey commented on code in PR #10611:
URL: https://github.com/apache/arrow-rs/pull/10611#discussion_r3753786576
##########
arrow-csv/src/reader/mod.rs:
##########
@@ -520,6 +520,18 @@ where
}
impl<R> BufReader<R> {
+ fn projected_schema(&self) -> SchemaRef {
+ match &self.decoder.projection {
+ Some(projection) => Arc::new(
+ self.decoder
+ .schema
+ .project(projection)
+ .expect("invalid CSV projection"),
Review Comment:
do we verify at any point earlier to this that the projection is valid? or
we always would have panicked when accessing out of bounds indices?
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