fixes #597

Author: wumpz

src/main/java/net/sf/jsqlparser/statement/create/view/CreateView.java

@@ -38,6 +38,7 @@ public class CreateView implements Statement {
     private boolean orReplace = false;
     private List<String> columnNames = null;
     private boolean materialized = false;
+    private ForceOption force = ForceOption.NONE;
 
     @Override
     public void accept(StatementVisitor statementVisitor) {
@@ -98,12 +99,28 @@ public void setMaterialized(boolean materialized) {
         this.materialized = materialized;
     }
 
+    public ForceOption getForce() {
+        return force;
+    }
+
+    public void setForce(ForceOption force) {
+        this.force = force;
+    }
+
     @Override
     public String toString() {
         StringBuilder sql = new StringBuilder("CREATE ");
         if (isOrReplace()) {
             sql.append("OR REPLACE ");
         }
+        switch (force) {
+            case FORCE:
+                sql.append("FORCE ");
+                break;
+            case NO_FORCE:
+                sql.append("NO FORCE ");
+                break;
+        }
         if (isMaterialized()) {
             sql.append("MATERIALIZED ");
         }

src/main/java/net/sf/jsqlparser/statement/create/view/ForceOption.java

@@ -0,0 +1,34 @@
+/*
+ * #%L
+ * JSQLParser library
+ * %%
+ * Copyright (C) 2004 - 2018 JSQLParser
+ * %%
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation, either version 2.1 of the
+ * License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Lesser Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Lesser Public
+ * License along with this program.  If not, see
+ * <http://www.gnu.org/licenses/lgpl-2.1.html>.
+ * #L%
+ */
+package net.sf.jsqlparser.statement.create.view;
+
+/**
+ *
+ * @author Tobias Warneke (t.warneke@gmx.net)
+ */
+public enum ForceOption {
+    NONE,
+    
+    FORCE,
+    
+    NO_FORCE
+}

src/main/java/net/sf/jsqlparser/util/deparser/CreateViewDeParser.java

@@ -56,6 +56,14 @@ public void deParse(CreateView createView) {
         if (createView.isOrReplace()) {
             buffer.append("OR REPLACE ");
         }
+        switch (createView.getForce()) {
+            case FORCE:
+                buffer.append("FORCE ");
+                break;
+            case NO_FORCE:
+                buffer.append("NO FORCE ");
+                break;
+        }
         if (createView.isMaterialized()) {
             buffer.append("MATERIALIZED ");
         }

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

@@ -3197,6 +3197,10 @@ CreateView CreateView():
 {
     <K_CREATE>
     [ <K_OR> <K_REPLACE> { createView.setOrReplace(true);} ]
+    [ 
+        <K_NO> <K_FORCE> { createView.setForce(ForceOption.NO_FORCE); } 
+        | <K_FORCE> { createView.setForce(ForceOption.FORCE); }
+    ]
     [ <K_MATERIALIZED> { createView.setMaterialized(true);} ]
     <K_VIEW> view=Table() { createView.setView(view); }
     [ columnNames = ColumnsNamesList() { createView.setColumnNames(columnNames); } ]

src/test/java/net/sf/jsqlparser/test/create/CreateViewTest.java

@@ -68,4 +68,20 @@ public void testCreateMaterializedView() throws JSQLParserException {
         String stmt = "CREATE MATERIALIZED VIEW view1 AS SELECT a, b FROM testtab";
         assertSqlCanBeParsedAndDeparsed(stmt);
     }
+    
+    public void testCreateForceView() throws JSQLParserException {
+        assertSqlCanBeParsedAndDeparsed("CREATE FORCE VIEW view1 AS SELECT a, b FROM testtab");
+    }
+    
+    public void testCreateForceView1() throws JSQLParserException {
+        assertSqlCanBeParsedAndDeparsed("CREATE NO FORCE VIEW view1 AS SELECT a, b FROM testtab");
+    }
+    
+    public void testCreateForceView2() throws JSQLParserException {
+        assertSqlCanBeParsedAndDeparsed("CREATE OR REPLACE FORCE VIEW view1 AS SELECT a, b FROM testtab");
+    }
+    
+    public void testCreateForceView3() throws JSQLParserException {
+        assertSqlCanBeParsedAndDeparsed("CREATE OR REPLACE NO FORCE VIEW view1 AS SELECT a, b FROM testtab");
+    }
 }