Support PostgreSQL-specific [CREATE SEQUENCE name START n ...]

I.e. no `START WITH`

Fixes #2347

Author: mjog

src/main/java/net/sf/jsqlparser/schema/Sequence.java

@@ -158,7 +158,7 @@ public Sequence addParameters(Collection<? extends Parameter> parameters) {
      * The available parameters to a sequence
      */
     public enum ParameterType {
-        INCREMENT_BY, START_WITH, RESTART_WITH, MAXVALUE, NOMAXVALUE, MINVALUE, NOMINVALUE, CYCLE, NOCYCLE, CACHE, NOCACHE, ORDER, NOORDER, KEEP, NOKEEP, SESSION, GLOBAL;
+        INCREMENT_BY, START_WITH, START, RESTART_WITH, MAXVALUE, NOMAXVALUE, MINVALUE, NOMINVALUE, CYCLE, NOCYCLE, CACHE, NOCACHE, ORDER, NOORDER, KEEP, NOKEEP, SESSION, GLOBAL;
 
         public static ParameterType from(String type) {
             return Enum.valueOf(ParameterType.class, type.toUpperCase());
@@ -191,6 +191,8 @@ public String formatParameter() {
                     return prefix("INCREMENT BY");
                 case START_WITH:
                     return prefix("START WITH");
+                case START:
+                    return prefix("START");
                 case RESTART_WITH:
                     if (value != null) {
                         return prefix("RESTART WITH");

src/main/jjtree/net/sf/jsqlparser/parser/JSqlParserCC.jjt

@@ -10209,6 +10209,7 @@ List<Sequence.Parameter> SequenceParameters():
   List<Sequence.Parameter> sequenceParameters = new ArrayList<Sequence.Parameter>();
   Sequence.Parameter parameter = null;
   Token token = null;
+  Token withToken = null;
 }
 {
     (
@@ -10223,9 +10224,13 @@ List<Sequence.Parameter> SequenceParameters():
            )
            |
            (
-                <K_START> <K_WITH> token=<S_LONG>
+                <K_START> [ withToken=<K_WITH> ] token=<S_LONG>
                 {
-                    parameter = new Sequence.Parameter(Sequence.ParameterType.START_WITH);
+                    if (withToken != null) {
+                        parameter = new Sequence.Parameter(Sequence.ParameterType.START_WITH);
+                    } else {
+                        parameter = new Sequence.Parameter(Sequence.ParameterType.START);
+                    }
                     parameter.setValue(Long.parseLong(token.image));
                     sequenceParameters.add(parameter);
                 }

src/test/java/net/sf/jsqlparser/statement/create/CreateSequenceTest.java

@@ -44,6 +44,11 @@ public void testCreateSequence_withStart() throws JSQLParserException {
         assertSqlCanBeParsedAndDeparsed("CREATE SEQUENCE my_seq START WITH 10");
     }
 
+    @Test
+    public void testCreateSequence_withStartPostgres() throws JSQLParserException {
+        assertSqlCanBeParsedAndDeparsed("CREATE SEQUENCE my_seq START 10");
+    }
+
     @Test
     public void testCreateSequence_withMaxValue() throws JSQLParserException {
         assertSqlCanBeParsedAndDeparsed("CREATE SEQUENCE my_seq MAXVALUE 5");