Add CREATE VIEW support

Author: Jeffrey Gerard

src/main/java/net/sf/jsqlparser/statement/StatementVisitor.java

@@ -23,6 +23,7 @@
 package net.sf.jsqlparser.statement;
 
 import net.sf.jsqlparser.statement.create.table.CreateTable;
+import net.sf.jsqlparser.statement.create.view.CreateView;
 import net.sf.jsqlparser.statement.delete.Delete;
 import net.sf.jsqlparser.statement.drop.Drop;
 import net.sf.jsqlparser.statement.insert.Insert;
@@ -48,4 +49,5 @@ public interface StatementVisitor {
 
 	public void visit(CreateTable createTable);
 
+	public void visit(CreateView createView);
 }

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

@@ -0,0 +1,64 @@
+package net.sf.jsqlparser.statement.create.view;
+
+
+import net.sf.jsqlparser.schema.Table;
+import net.sf.jsqlparser.statement.Statement;
+import net.sf.jsqlparser.statement.StatementVisitor;
+import net.sf.jsqlparser.statement.select.SelectBody;
+
+/**
+ * A "CREATE VIEW" statement
+ */
+public class CreateView implements Statement {
+
+	private Table view;
+	private SelectBody selectBody;
+	private boolean orReplace = false;
+
+	@Override
+	public void accept(StatementVisitor statementVisitor) {
+		statementVisitor.visit(this);
+	}
+
+	/**
+	 * In the syntax tree, a view looks and acts just like a Table.
+	 * @return The name of the view to be created.
+	 */
+	public Table getView() {
+		return view;
+	}
+
+	public void setView(Table view) {
+		this.view = view;
+	}
+
+	/**
+	 * @return was "OR REPLACE" specified?
+	 */
+	public boolean isOrReplace() {
+		return orReplace;
+	}
+
+	/**
+	 * @param orReplace was "OR REPLACE" specified?
+	 */
+	public void setOrReplace(boolean orReplace) {
+		this.orReplace = orReplace;
+	}
+
+	/**
+	 * @return the SelectBody
+	 */
+	public SelectBody getSelectBody() {
+		return selectBody;
+	}
+
+	public void setSelectBody(SelectBody selectBody) {
+		this.selectBody = selectBody;
+	}
+
+	public String toString() {
+		String sql = "CREATE VIEW " + view + " AS " + selectBody;
+		return sql;
+	}
+}

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

@@ -4,6 +4,7 @@
 
 import net.sf.jsqlparser.statement.StatementVisitor;
 import net.sf.jsqlparser.statement.create.table.CreateTable;
+import net.sf.jsqlparser.statement.create.view.CreateView;
 import net.sf.jsqlparser.statement.delete.Delete;
 import net.sf.jsqlparser.statement.drop.Drop;
 import net.sf.jsqlparser.statement.insert.Insert;
@@ -25,6 +26,11 @@ public void visit(CreateTable createTable) {
 		createTableDeParser.deParse(createTable);
 	}
 
+	@Override
+	public void visit(CreateView createView) {
+		throw new UnsupportedOperationException("Not supported yet.");
+	}
+
 	public void visit(Delete delete) {
 		SelectDeParser selectDeParser = new SelectDeParser();
 		selectDeParser.setBuffer(buffer);

src/main/javacc/net/sf/jsqlparser/parser/JSqlParserCC.jj

@@ -104,6 +104,7 @@ import net.sf.jsqlparser.statement.Statement;
 import net.sf.jsqlparser.statement.create.table.ColDataType;
 import net.sf.jsqlparser.statement.create.table.ColumnDefinition;
 import net.sf.jsqlparser.statement.create.table.CreateTable;
+import net.sf.jsqlparser.statement.create.view.CreateView;
 import net.sf.jsqlparser.statement.create.table.Index;
 import net.sf.jsqlparser.statement.delete.Delete;
 import net.sf.jsqlparser.statement.drop.Drop;
@@ -184,6 +185,7 @@ TOKEN: /* SQL Keywords. prefixed with K_ to avoid name clashes */
 |   <K_FULL:"FULL">
 |   <K_WITH:"WITH">
 |   <K_TABLE:"TABLE">
+|   <K_VIEW:"VIEW">
 |   <K_WHERE:"WHERE">
 |   <K_USING:"USING">
 |   <K_UNION:"UNION">
@@ -260,8 +262,12 @@ Statement Statement() :
     |
     stm =  Replace()
     |
+    LOOKAHEAD(2)
     stm = CreateTable()
     |
+    LOOKAHEAD(2)
+    stm = CreateView()
+    |
     stm = Drop()
     |
     stm = Truncate()
@@ -1639,6 +1645,23 @@ ColDataType ColDataType():
 	}
 }
 
+CreateView CreateView():
+{
+	CreateView createView = new CreateView();
+	Table view = null;
+	SelectBody select = null;
+}
+{
+	<K_CREATE>
+	[ <K_OR> <K_REPLACE> { createView.setOrReplace(true);} ]
+	// TODO:
+	// [ { TEMPORARY | TEMP } ]
+	<K_VIEW> view=Table() { createView.setView(view); }
+	<K_AS>
+	select=SelectBody() { createView.setSelectBody(select); }
+	{ return createView; }
+}
+
 String CreateParameter():
 {
 	String retval = null;

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

@@ -0,0 +1,32 @@
+package net.sf.jsqlparser.test.create;
+
+import java.io.StringReader;
+
+import junit.framework.TestCase;
+import net.sf.jsqlparser.JSQLParserException;
+import net.sf.jsqlparser.parser.CCJSqlParserManager;
+import net.sf.jsqlparser.schema.Table;
+import net.sf.jsqlparser.statement.create.view.CreateView;
+import net.sf.jsqlparser.statement.select.PlainSelect;
+
+public class CreateViewTest extends TestCase {
+	CCJSqlParserManager parserManager = new CCJSqlParserManager();
+
+	public CreateViewTest(String arg0) {
+		super(arg0);
+	}
+
+	public void testCreateView() throws JSQLParserException {
+		String statement = "CREATE VIEW myview AS SELECT * FROM mytab";
+		CreateView createView = (CreateView) parserManager.parse(new StringReader(statement));
+		assertFalse(createView.isOrReplace());
+		assertEquals("myview", createView.getView().getName());
+		assertEquals("mytab", ((Table)((PlainSelect)createView.getSelectBody()).getFromItem()).getName());
+		assertEquals(statement, createView.toString());
+	}
+
+	public static void main(String[] args) {
+		junit.swingui.TestRunner.run(CreateViewTest.class);
+	}
+
+}