Support WITH TIES option in TOP #1435 (#1479)

* Support WITH TIES option in TOP

- Add the support of WITH TIES option in SELECT TOP statement.

* add specific test

Author: OlivierCavadenti

src/main/java/net/sf/jsqlparser/statement/select/Top.java

@@ -15,6 +15,7 @@ public class Top {
 
     private boolean hasParenthesis = false;
     private boolean isPercentage = false;
+    private boolean isWithTies = false;
     private Expression expression;
 
     public Expression getExpression() {
@@ -41,6 +42,14 @@ public void setPercentage(boolean percentage) {
         this.isPercentage = percentage;
     }
 
+    public void setWithTies(boolean withTies) {
+        this.isWithTies = withTies;
+    }
+
+    public boolean isWithTies() {
+        return isWithTies;
+    }
+
     @Override
     public String toString() {
         String result = "TOP ";
@@ -59,6 +68,10 @@ public String toString() {
             result += " PERCENT";
         }
 
+        if (isWithTies) {
+            result += " WITH TIES";
+        }
+
         return result;
     }
 

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

@@ -421,6 +421,7 @@ TOKEN: /* SQL Keywords. prefixed with K_ to avoid name clashes */
 |   <K_WHERE:"WHERE">
 |   <K_WINDOW:"WINDOW">
 |   <K_WITH:"WITH">
+|   <K_WITH_TIES:"WITH TIES">
 |   <K_WITHIN:"WITHIN">
 |   <K_WITHOUT:"WITHOUT">
 |   <K_WORK:"WORK">
@@ -2903,6 +2904,7 @@ Top Top():
             { top.setParenthesis(true);}
        ")"
     ) [ LOOKAHEAD(2) <K_PERCENT>            { top.setPercentage(true); } ]
+      [ LOOKAHEAD(2) <K_WITH_TIES>            { top.setWithTies(true); }]
     {
         return top;
     }

src/test/java/net/sf/jsqlparser/statement/select/SelectTest.java

@@ -663,6 +663,22 @@ public void testTopWithParenthesis() throws JSQLParserException {
         assertStatementCanBeDeparsedAs(select, statement);
     }
 
+    @Test
+    public void testTopWithTies() throws JSQLParserException {
+        final String statement = "SELECT TOP (5) PERCENT WITH TIES columnName1, columnName2 FROM tableName";
+        final Select select = (Select) parserManager.parse(new StringReader(statement));
+
+        final PlainSelect selectBody = (PlainSelect) select.getSelectBody();
+
+        final Top top = selectBody.getTop();
+        assertEquals("5", top.getExpression().toString());
+        assertTrue(top.hasParenthesis());
+        assertTrue(top.isPercentage());
+        assertTrue(top.isWithTies());
+
+        assertStatementCanBeDeparsedAs(select, statement);
+    }
+
     @Test
     public void testTopWithJdbcParameter() throws JSQLParserException {
         String statement = "SELECT TOP ?1 * FROM mytable WHERE mytable.col = 9";