start alter statement

Author: wumpz

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

@@ -21,6 +21,7 @@
  */
 package net.sf.jsqlparser.statement;
 
+import net.sf.jsqlparser.statement.alter.Alter;
 import net.sf.jsqlparser.statement.create.index.CreateIndex;
 import net.sf.jsqlparser.statement.create.table.CreateTable;
 import net.sf.jsqlparser.statement.create.view.CreateView;
@@ -53,4 +54,6 @@ public interface StatementVisitor {
 	void visit(CreateTable createTable);
 
 	void visit(CreateView createView);
+	
+	void visit(Alter alter);
 }

src/main/java/net/sf/jsqlparser/statement/alter/Alter.java

@@ -0,0 +1,89 @@
+/*
+ * #%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%
+ */
+/*
+ * Copyright (C) 2013 JSQLParser.
+ *
+ * This library 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 library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+
+package net.sf.jsqlparser.statement.alter;
+
+import net.sf.jsqlparser.schema.Table;
+import net.sf.jsqlparser.statement.Statement;
+import net.sf.jsqlparser.statement.StatementVisitor;
+import net.sf.jsqlparser.statement.create.table.ColDataType;
+
+/**
+ *
+ * @author toben
+ */
+public class Alter implements Statement {
+	private Table table;
+	private String columnName;
+	private ColDataType dataType;
+
+	public Table getTable() {
+		return table;
+	}
+
+	public void setTable(Table table) {
+		this.table = table;
+	}
+
+	public String getColumnName() {
+		return columnName;
+	}
+
+	public void setColumnName(String columnName) {
+		this.columnName = columnName;
+	}
+
+	public ColDataType getDataType() {
+		return dataType;
+	}
+
+	public void setDataType(ColDataType dataType) {
+		this.dataType = dataType;
+	}
+
+	@Override
+	public void accept(StatementVisitor statementVisitor) {
+		statementVisitor.visit(this);
+	}
+	
+	public String toString() {
+		return "ALTER TABLE " + table.getWholeTableName() + " ADD COLUMN " + columnName + " " + dataType.toString();
+	}
+}

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

@@ -24,6 +24,7 @@
 import java.util.Iterator;
 
 import net.sf.jsqlparser.statement.StatementVisitor;
+import net.sf.jsqlparser.statement.alter.Alter;
 import net.sf.jsqlparser.statement.create.index.CreateIndex;
 import net.sf.jsqlparser.statement.create.table.CreateTable;
 import net.sf.jsqlparser.statement.create.view.CreateView;
@@ -142,4 +143,9 @@ public StringBuilder getBuffer() {
 	public void setBuffer(StringBuilder buffer) {
 		this.buffer = buffer;
 	}
+
+	@Override
+	public void visit(Alter alter) {
+		
+	}
 }

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

@@ -123,6 +123,7 @@ import net.sf.jsqlparser.statement.create.table.Index;
 import net.sf.jsqlparser.statement.create.table.ForeignKeyIndex;
 import net.sf.jsqlparser.statement.delete.Delete;
 import net.sf.jsqlparser.statement.drop.Drop;
+import net.sf.jsqlparser.statement.alter.Alter;
 import net.sf.jsqlparser.statement.insert.Insert;
 import net.sf.jsqlparser.statement.replace.Replace;
 import net.sf.jsqlparser.statement.select.AllColumns;
@@ -264,6 +265,9 @@ TOKEN: /* SQL Keywords. prefixed with K_ to avoid name clashes */
 |	<K_PRIOR:"PRIOR">
 |   <K_NOCYCLE:"NOCYCLE">
 |	<K_SIBLINGS:"SIBLINGS">
+|	<K_ALTER:"ALTER">
+|	<K_ADD:"ADD">
+|	<K_COLUMN:"COLUMN">
 }
 
 
@@ -323,6 +327,8 @@ Statement Statement() :
     |
     stm =  Replace()
     |
+	stm = Alter() 
+	|
     LOOKAHEAD(3)
     stm = CreateIndex()
     |
@@ -2305,3 +2311,22 @@ Truncate Truncate():
 		return truncate;
 	}
 }
+
+Alter Alter():
+{
+	Alter alter = new Alter();
+	Table table;
+	Token tk;
+	ColDataType dataType;
+}
+{
+	<K_ALTER> <K_TABLE> table=Table() <K_ADD> <K_COLUMN> 
+	(tk=<S_IDENTIFIER>	| tk=<S_QUOTED_IDENTIFIER>) dataType=ColDataType()
+
+	{
+		alter.setTable(table);
+		alter.setColumnName(tk.image);
+		alter.setDataType(dataType);
+		return alter;
+	}
+}

src/test/java/net/sf/jsqlparser/test/alter/AlterTest.java

@@ -0,0 +1,24 @@
+package net.sf.jsqlparser.test.alter;
+
+
+import junit.framework.TestCase;
+import net.sf.jsqlparser.JSQLParserException;
+import net.sf.jsqlparser.parser.CCJSqlParserUtil;
+import net.sf.jsqlparser.statement.Statement;
+import net.sf.jsqlparser.statement.alter.Alter;
+
+public class AlterTest extends TestCase {
+
+	public AlterTest(String arg0) {
+		super(arg0);
+	}
+
+	public void testAlterTableAddColumn() throws JSQLParserException {
+		Statement stmt = CCJSqlParserUtil.parse("ALTER TABLE mytable ADD COLUMN mycolumn varchar (255)");
+		assertTrue(stmt instanceof Alter);
+		Alter alter = (Alter)stmt;
+		assertEquals("mytable",alter.getTable().getWholeTableName());
+		assertEquals("mycolumn", alter.getColumnName());
+		assertEquals("varchar (255)", alter.getDataType().toString());
+	}
+}

src/test/java/net/sf/jsqlparser/test/update/UpdateTest.java

@@ -38,15 +38,15 @@ public void testUpdate() throws JSQLParserException {
 	}
 
 	public void testUpdateWAlias() throws JSQLParserException {
-		String statement = "UPDATE table1 A SET A.column = 'XXX' WHERE A.cod_table = 'YYY'";
+		String statement = "UPDATE table1 A SET A.columna = 'XXX' WHERE A.cod_table = 'YYY'";
 		Update update = (Update) parserManager.parse(new StringReader(statement));
 	}
 
 	public void testUpdateWithDeparser() throws JSQLParserException {
-		assertSqlCanBeParsedAndDeparsed("UPDATE table1 AS A SET A.column = 'XXX' WHERE A.cod_table = 'YYY'");
+		assertSqlCanBeParsedAndDeparsed("UPDATE table1 AS A SET A.columna = 'XXX' WHERE A.cod_table = 'YYY'");
 	}
 
 	public void testUpdateWithFrom() throws JSQLParserException {
-		assertSqlCanBeParsedAndDeparsed("UPDATE table1 SET column = 5 FROM table1 LEFT JOIN table2 ON col1 = col2");
+		assertSqlCanBeParsedAndDeparsed("UPDATE table1 SET columna = 5 FROM table1 LEFT JOIN table2 ON col1 = col2");
 	}
 }