add sql wall support

src/test/java/com/alibaba/druid/sql/OnlineOracleTest3.java

@@ -0,0 +1,72 @@
+package com.alibaba.druid.sql;
+
+import java.sql.Connection;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.sql.Statement;
+
+import junit.framework.TestCase;
+
+import com.alibaba.druid.pool.DruidDataSource;
+import com.alibaba.druid.util.JdbcUtils;
+
+public class OnlineOracleTest3 extends TestCase {
+
+    private String          jdbcUrl;
+    private String          user;
+    private String          password;
+    private DruidDataSource dataSource;
+
+    public void setUp() throws Exception {
+        jdbcUrl = "jdbc:oracle:thin:@10.20.149.18:1521:emdb";
+        user = "wardon";
+        password = "wardon";
+
+        dataSource = new DruidDataSource();
+        dataSource.setInitialSize(1);
+        dataSource.setUrl(jdbcUrl);
+        dataSource.setUsername(user);
+        dataSource.setPassword(password);
+        dataSource.setMaxActive(50);
+        dataSource.setPoolPreparedStatements(true);
+        dataSource.setMaxOpenPreparedStatements(100);
+    }
+
+    public void test_connect() throws Exception {
+        execute("select * from session_roles");
+    }
+
+    public void executeQuery(String sql) throws SQLException {
+        Connection conn = null;
+        Statement stmt = null;
+        ResultSet rs = null;
+        try {
+            conn = dataSource.getConnection();
+
+            stmt = conn.createStatement();
+            rs = stmt.executeQuery(sql);
+
+            JdbcUtils.printResultSet(rs);
+
+        } finally {
+            JdbcUtils.close(rs);
+            JdbcUtils.close(stmt);
+            JdbcUtils.close(conn);
+        }
+    }
+
+    public void execute(String sql) throws SQLException {
+        Connection conn = null;
+        Statement stmt = null;
+        try {
+            conn = dataSource.getConnection();
+
+            stmt = conn.createStatement();
+            stmt.execute(sql);
+
+        } finally {
+            JdbcUtils.close(stmt);
+            JdbcUtils.close(conn);
+        }
+    }
+}