efficient comparison

Author: lovasoa

src/parser/mod.rs

@@ -11411,7 +11411,9 @@ impl<'a> Parser<'a> {
             Token::Colon if self.dialect.supports_named_fn_args_with_colon_operator() => {
                 Ok(FunctionArgOperator::Colon)
             }
-            Token::Word(w) if w.value.to_uppercase() == "VALUE" => Ok(FunctionArgOperator::Value),
+            Token::Word(w) if w.value.eq_ignore_ascii_case("value") => {
+                Ok(FunctionArgOperator::Value)
+            }
             _ => {
                 self.prev_token();
                 self.expected("argument operator", tok)

tests/sqlparser_postgres.rs

@@ -2819,7 +2819,7 @@ fn test_json_object() {
             assert!(matches!(
                 &args[..],
                 &[FunctionArg::ExprNamed { operator: FunctionArgOperator::Value, .. }]
-            ));
+            ), "Invalid function argument: {:?}", args);
         }
         other => panic!("Expected: JSON_OBJECT('name' VALUE 'value') to be parsed as a function, but got {other:?}"),
     }