/// Parse a SQL EXISTS expression e.g. `WHERE EXISTS(SELECT ...)`.
Parse a SQL EXISTS expression e.g.
Parse a SQL EXISTS expression e . g .
fn parse_exists_expr(&mut self) -> Result<Expr<Raw>, ParserError> {
        self.expect_token(&Token::LParen)?;
        let exists_node = Expr::Exists(Box::new(self.parse_query()?));
        self.expect_token(&Token::RParen)?;
        Ok(exists_node)
    }
fn parse_exists_expr ( & mut self ) -> Result < Expr < Raw > , ParserError > { self . expect_token ( & Token :: LParen ) ? ; let exists_node = Expr :: Exists ( Box :: new ( self . parse_query ( ) ? ) ) ; self . expect_token ( & Token :: RParen ) ? ; Ok ( exists_node ) }
Parse a SQL EXISTS expression e.g.
Parse a SQL EXISTS expression e . g .
&mut self