Add postgress nested with clause

src/main/java/net/sf/jsqlparser/expression/ExpressionVisitor.java

@@ -44,6 +44,9 @@
 import net.sf.jsqlparser.expression.operators.relational.MinorThan;
 import net.sf.jsqlparser.expression.operators.relational.MinorThanEquals;
 import net.sf.jsqlparser.expression.operators.relational.NotEqualsTo;
+import net.sf.jsqlparser.expression.operators.relational.DoubleAnd;//Added by mathew on 21st Nov 2016
+import net.sf.jsqlparser.expression.operators.relational.Contains;//Added by mathew on 21st Nov 2016
+import net.sf.jsqlparser.expression.operators.relational.ContainedBy;//Added by mathew on 21st Nov 2016
 import net.sf.jsqlparser.expression.operators.relational.RegExpMatchOperator;
 import net.sf.jsqlparser.expression.operators.relational.RegExpMySQLOperator;
 import net.sf.jsqlparser.expression.operators.relational.JsonOperator;
@@ -109,6 +112,12 @@ public interface ExpressionVisitor {
 	void visit(MinorThanEquals minorThanEquals);
 
 	void visit(NotEqualsTo notEqualsTo);
+
+	void visit(DoubleAnd doubleAnd);//Added by mathew on 21st Nov 2016
+
+	void visit(Contains contains);//Added by mathew on 21st Nov 2016
+
+	void visit(ContainedBy containedBy);//Added by mathew on 21st Nov 2016
 
 	void visit(Column tableColumn);
 

src/main/java/net/sf/jsqlparser/expression/ExpressionVisitorAdapter.java

@@ -204,6 +204,25 @@ public void visit(MinorThanEquals expr) {
     public void visit(NotEqualsTo expr) {
         visitBinaryExpression(expr);
     }
+
+    /*Added by mathew on 21st Nov 2016*/
+    @Override
+    public void visit(DoubleAnd expr) {
+        visitBinaryExpression(expr);
+    }
+
+    /*Added by mathew on 21st Nov 2016*/
+    @Override
+    public void visit(Contains expr) {
+        visitBinaryExpression(expr);
+    }
+
+    /*Added by mathew on 21st Nov 2016*/
+    @Override
+    public void visit(ContainedBy expr) {
+        visitBinaryExpression(expr);
+    }
+
 
     @Override
     public void visit(Column column) {

src/main/java/net/sf/jsqlparser/expression/operators/relational/ContainedBy.java

@@ -0,0 +1,42 @@
+/*
+ * #%L
+ * JSQLParser library
+ * %%
+ * Copyright (C) 2004 - 2013 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%
+ */
+/*Added by Mathew on 21st Nov 2016*/
+package net.sf.jsqlparser.expression.operators.relational;
+
+import net.sf.jsqlparser.expression.ExpressionVisitor;
+
+public class ContainedBy extends ComparisonOperator {
+
+    public ContainedBy() {
+        super("<&");
+    }
+
+    public ContainedBy(String operator) {
+        super(operator);
+    }
+
+    @Override
+    public void accept(ExpressionVisitor expressionVisitor) {
+        expressionVisitor.visit(this);
+    }
+}
+

src/main/java/net/sf/jsqlparser/expression/operators/relational/Contains.java

@@ -0,0 +1,42 @@
+/*
+ * #%L
+ * JSQLParser library
+ * %%
+ * Copyright (C) 2004 - 2013 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%
+ */
+/*Added by Mathew on 21st Nov 2016*/
+package net.sf.jsqlparser.expression.operators.relational;
+
+import net.sf.jsqlparser.expression.ExpressionVisitor;
+
+public class Contains extends ComparisonOperator {
+
+    public Contains() {
+        super("&>");
+    }
+
+    public Contains(String operator) {
+        super(operator);
+    }
+
+    @Override
+    public void accept(ExpressionVisitor expressionVisitor) {
+        expressionVisitor.visit(this);
+    }
+}
+

src/main/java/net/sf/jsqlparser/expression/operators/relational/DoubleAnd.java

@@ -0,0 +1,41 @@
+/*
+ * #%L
+ * JSQLParser library
+ * %%
+ * Copyright (C) 2004 - 2013 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%
+ */
+/*Added by Mathew on 1st Aug 2016*/
+package net.sf.jsqlparser.expression.operators.relational;
+
+import net.sf.jsqlparser.expression.ExpressionVisitor;
+
+public class DoubleAnd extends ComparisonOperator {
+
+    public DoubleAnd() {
+        super("&&");
+    }
+
+    public DoubleAnd(String operator) {
+        super(operator);
+    }
+
+    @Override
+    public void accept(ExpressionVisitor expressionVisitor) {
+        expressionVisitor.visit(this);
+    }
+}

src/main/java/net/sf/jsqlparser/util/TablesNamesFinder.java

@@ -258,6 +258,30 @@ public void visit(Multiplication multiplication) {
     public void visit(NotEqualsTo notEqualsTo) {
         visitBinaryExpression(notEqualsTo);
     }
+
+    /* Added by Mathew on 21st Nov 2016
+     * 
+     */
+    @Override
+    public void visit(DoubleAnd doubleAnd) {
+        visitBinaryExpression(doubleAnd);
+    }
+
+    /* Added by Mathew on 21st Nov 2016
+     * 
+     */
+    @Override
+    public void visit(Contains contains) {
+        visitBinaryExpression(contains);
+    }
+
+    /* Added by Mathew on 21st Nov 2016
+     * 
+     */
+    @Override
+    public void visit(ContainedBy containedBy) {
+        visitBinaryExpression(containedBy);
+    }
 
     @Override
     public void visit(NullValue nullValue) {