wugeer commented on code in PR #1472:
URL:
https://github.com/apache/datafusion-sqlparser-rs/pull/1472#discussion_r1807356535
##########
src/parser/mod.rs:
##########
@@ -2796,9 +2811,27 @@ impl<'a> Parser<'a> {
format: None,
})
} else if Token::ExclamationMark == tok {
- // PostgreSQL factorial operation
+ match expr {
+ Expr::Value(_) | Expr::Identifier(_) => {
+ if !self.dialect.supports_factorial_operator() {
+ return parser_err!(
+ format!(
+ "current dialect: {:?} does not support
factorial operator",
+ self.dialect
+ ),
+ self.peek_token().location
+ );
+ }
+ }
+ _ => {}
+ };
+ let op = if !self.dialect.supports_factorial_operator() {
+ UnaryOperator::SpecialNot
+ } else {
+ UnaryOperator::PGPostfixFactorial
+ };
Review Comment:
Good idea, I will try it. :)
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