Fix parser for BigDecimal values

Author: Agaev Huseyn

src/parser/mod.rs

@@ -7278,7 +7278,7 @@ impl<'a> Parser<'a> {
                 let next_token = self.next_token();
                 match next_token.token {
                     Token::Number(n, l) => Ok(Value::Number(
-                        Self::parse::<String>(tok.to_string() + &n, location)?,
+                        Self::parse(tok.to_string() + &n, location)?,
                         l,
                     )),
                     _ => self.expected("number", next_token),

tests/sqlparser_common.rs

@@ -2838,7 +2838,7 @@ fn parse_signed_value() {
     START WITH +   45";
     one_statement_parses_to(
         sql2,
-        "CREATE SEQUENCE name2 AS BIGINT INCREMENT +10 MINVALUE +30 MAXVALUE +5000 START WITH +45",
+        "CREATE SEQUENCE name2 AS BIGINT INCREMENT 10 MINVALUE 30 MAXVALUE 5000 START WITH 45",
     );
 }