public void test_alter_first() throws Exception {
String sql = "ALTER TABLE dbo.doc_exd WITH NOCHECK " //
+ "ADD CONSTRAINT exd_check CHECK (column_a > 1) ;";
SQLServerStatementParser parser = new SQLServerStatementParser(sql);
SQLStatement stmt = parser.parseStatementList().get(0);
parser.match(Token.EOF);
SQLServerSchemaStatVisitor visitor = new SQLServerSchemaStatVisitor();
stmt.accept(visitor);
System.out.println("Tables : " + visitor.getTables());