Support PostgreSQL-specific [CREATE SEQUENCE … INCREMENT n ...]

I.e. no `INCREMENT BY`

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, START, RESTART_WITH, MAXVALUE, NOMAXVALUE, MINVALUE, NOMINVALUE, CYCLE, NOCYCLE, CACHE, NOCACHE, ORDER, NOORDER, KEEP, NOKEEP, SESSION, GLOBAL;
+        INCREMENT_BY, INCREMENT, 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());
@@ -189,6 +189,8 @@ public String formatParameter() {
             switch (option) {
                 case INCREMENT_BY:
                     return prefix("INCREMENT BY");
+                case INCREMENT:
+                    return prefix("INCREMENT");
                 case START_WITH:
                     return prefix("START WITH");
                 case START:

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

@@ -10209,15 +10209,20 @@ List<Sequence.Parameter> SequenceParameters():
   List<Sequence.Parameter> sequenceParameters = new ArrayList<Sequence.Parameter>();
   Sequence.Parameter parameter = null;
   Token token = null;
+  Token byToken = null;
   Token withToken = null;
 }
 {
     (
         LOOKAHEAD(2) (
             (
-                <K_INCREMENT> <K_BY> token=<S_LONG>
+                <K_INCREMENT> [ byToken=<K_BY> ] token=<S_LONG>
                 {
-                    parameter = new Sequence.Parameter(Sequence.ParameterType.INCREMENT_BY);
+                    if (byToken != null) {
+                      parameter = new Sequence.Parameter(Sequence.ParameterType.INCREMENT_BY);
+                    } else {
+                      parameter = new Sequence.Parameter(Sequence.ParameterType.INCREMENT);
+                    }
                     parameter.setValue(Long.parseLong(token.image));
                     sequenceParameters.add(parameter);
                 }

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

@@ -39,6 +39,11 @@ public void testCreateSequence_withIncrement() throws JSQLParserException {
                 statement);
     }
 
+    @Test
+    public void testCreateSequence_withIncrementPostres() throws JSQLParserException {
+        assertSqlCanBeParsedAndDeparsed("CREATE SEQUENCE db.schema.my_seq INCREMENT 1");
+    }
+
     @Test
     public void testCreateSequence_withStart() throws JSQLParserException {
         assertSqlCanBeParsedAndDeparsed("CREATE SEQUENCE my_seq START WITH 10");