Move tests to a common module and add a handler for '+'

src/parser/mod.rs

@@ -7274,7 +7274,7 @@ impl<'a> Parser<'a> {
                 let placeholder = tok.to_string() + &ident.value;
                 Ok(Value::Placeholder(placeholder))
             }
-            tok @ Token::Minus => {
+            tok @ Token::Minus | tok @ Token::Plus => {
                 let next_token = self.next_token();
                 match next_token.token {
                     Token::Number(n, l) => Ok(Value::Number(

tests/sqlparser_common.rs

@@ -2819,6 +2819,29 @@ fn parse_window_function_null_treatment_arg() {
     );
 }
 
+#[test]
+fn parse_signed_value() {
+    let sql1 = "CREATE SEQUENCE name1
+    AS BIGINT
+    INCREMENT   -15
+    MINVALUE - 2000  MAXVALUE -50
+    START WITH -   60";
+    one_statement_parses_to(
+        sql1,
+        "CREATE SEQUENCE name1 AS BIGINT INCREMENT -15 MINVALUE -2000 MAXVALUE -50 START WITH -60",
+    );
+
+    let sql2 = "CREATE SEQUENCE name2
+    AS BIGINT
+    INCREMENT   +10
+    MINVALUE + 30  MAXVALUE +5000
+    START WITH +   45";
+    one_statement_parses_to(
+        sql2,
+        "CREATE SEQUENCE name2 AS BIGINT INCREMENT +10 MINVALUE +30 MAXVALUE +5000 START WITH +45",
+    );
+}
+
 #[test]
 fn parse_create_table() {
     let sql = "CREATE TABLE uk_cities (\

tests/sqlparser_postgres.rs

@@ -277,16 +277,6 @@ fn parse_create_sequence() {
         "CREATE TEMPORARY SEQUENCE IF NOT EXISTS name3 INCREMENT 1 NO MINVALUE MAXVALUE 20 OWNED BY NONE",
     );
 
-    let sql7 = "CREATE SEQUENCE name4
-    AS BIGINT
-    INCREMENT   -10
-    MINVALUE - 2000  MAXVALUE -5
-    START WITH -   20";
-    pg().one_statement_parses_to(
-        sql7,
-        "CREATE SEQUENCE name4 AS BIGINT INCREMENT -10 MINVALUE -2000 MAXVALUE -5 START WITH -20",
-    );
-
     assert!(matches!(
         pg().parse_sql_statements("CREATE SEQUENCE foo INCREMENT 1 NO MINVALUE NO"),
         Err(ParserError::ParserError(_))