mvzink commented on code in PR #1986:
URL:
https://github.com/apache/datafusion-sqlparser-rs/pull/1986#discussion_r2271878827
##########
src/parser/mod.rs:
##########
@@ -1248,6 +1248,12 @@ impl<'a> Parser<'a> {
debug!("parsing expr");
let mut expr = self.parse_prefix()?;
+ // We would have exited early in `parse_prefix` before checking for
`COLLATE`, and there's
+ // no infix operator handling for `COLLATE`, so we must return now.
+ if self.in_column_definition_state() &&
self.peek_keyword(Keyword::COLLATE) {
+ return Ok(expr);
+ }
Review Comment:
Fair enough; that's a more localized fix at least. The other part (avoiding
the special case in `parse_prefix`) is necessary either way though.
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