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Fix MATCH_RECOGNIZE exclusion after symbol #30

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Merged
osipovartem merged 1 commit into from
Sep 17, 2026
Merged

Fix MATCH_RECOGNIZE exclusion after symbol #30

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4 changes: 4 additions & 0 deletions src/parser/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -16854,6 +16854,10 @@ impl<'a> Parser<'a> {
Token::Mul => RepetitionQuantifier::ZeroOrMore,
Token::Plus => RepetitionQuantifier::OneOrMore,
Token::Placeholder(s) if s == "?" => RepetitionQuantifier::AtMostOne,
Token::LBrace if matches!(self.peek_token_ref().token, Token::Minus) => {
self.prev_token();
return Ok(pattern);
}
Token::LBrace => {
// quantifier is a range like {n} or {n,} or {,m} or {n,m}
let token = self.next_token();
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9 changes: 9 additions & 0 deletions tests/sqlparser_common.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -13408,6 +13408,15 @@ fn test_match_recognize_patterns() {
// exclusion
check("{- FOO -}", Exclude(Named(Ident::new("FOO"))));

// exclusion immediately after a symbol is concatenation, not a range quantifier
check(
"S1 {- S2 -}",
Concat(vec![
Symbol(Named(Ident::new("S1"))),
Exclude(Named(Ident::new("S2"))),
]),
);

check(
"PERMUTE(A, B, C)",
Permute(vec![
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