diff --git a/src/main/java/com/alibaba/druid/filter/stat/MergeStatFilter.java b/src/main/java/com/alibaba/druid/filter/stat/MergeStatFilter.java
new file mode 100644
index 0000000000..5845b05557
--- /dev/null
+++ b/src/main/java/com/alibaba/druid/filter/stat/MergeStatFilter.java
@@ -0,0 +1,7 @@
+package com.alibaba.druid.filter.stat;
+
+public class MergeStatFilter extends StatFilter {
+	public MergeStatFilter() {
+		super.setMergeSql(true);
+	}
+}
diff --git a/src/test/java/com/alibaba/druid/bvt/pool/TestOraclePrefetch.java b/src/test/java/com/alibaba/druid/bvt/pool/TestOraclePrefetch.java
index bec35cb51c..47a6cbbe90 100644
--- a/src/test/java/com/alibaba/druid/bvt/pool/TestOraclePrefetch.java
+++ b/src/test/java/com/alibaba/druid/bvt/pool/TestOraclePrefetch.java
@@ -9,8 +9,8 @@ import junit.framework.TestCase;
 import oracle.jdbc.OracleConnection;
 import oracle.jdbc.internal.OraclePreparedStatement;
 
-import com.alibaba.druid.bvt.util.OracleMockDriver;
 import com.alibaba.druid.pool.DruidDataSource;
+import com.alibaba.druid.test.util.OracleMockDriver;
 import com.alibaba.druid.util.JdbcUtils;
 
 public class TestOraclePrefetch extends TestCase {
diff --git a/src/test/java/com/alibaba/druid/bvt/proxy/filter/MergeStatFilterTest.java b/src/test/java/com/alibaba/druid/bvt/proxy/filter/MergeStatFilterTest.java
new file mode 100644
index 0000000000..9dcaceb659
--- /dev/null
+++ b/src/test/java/com/alibaba/druid/bvt/proxy/filter/MergeStatFilterTest.java
@@ -0,0 +1,39 @@
+package com.alibaba.druid.bvt.proxy.filter;
+
+import java.sql.Connection;
+import java.sql.Statement;
+
+import junit.framework.Assert;
+import junit.framework.TestCase;
+
+import com.alibaba.druid.pool.DruidDataSource;
+
+public class MergeStatFilterTest extends TestCase {
+	private DruidDataSource dataSource;
+
+	protected void setUp() throws Exception {
+		dataSource = new DruidDataSource();
+		dataSource.setUrl("jdbc:mock:xx");
+		dataSource.setFilters("mergeStat");
+	}
+
+	protected void tearDown() throws Exception {
+		dataSource.close();
+	}
+
+	public void test_merge() throws Exception {
+		for (int i = 0; i < 100; ++i) {
+			String sql = "select * from t where id = " + i;
+			Connection conn = dataSource.getConnection();
+
+			Statement stmt = conn.createStatement();
+			stmt.execute(sql);
+			stmt.close();
+
+			conn.close();
+		}
+		
+		Assert.assertEquals(1, dataSource.getDataSourceStat().getSqlStatMap().size());
+	}
+
+}
diff --git a/src/test/java/com/alibaba/druid/bvt/proxy/filter/MergeStatFilterTest2.java b/src/test/java/com/alibaba/druid/bvt/proxy/filter/MergeStatFilterTest2.java
new file mode 100644
index 0000000000..4a81060c36
--- /dev/null
+++ b/src/test/java/com/alibaba/druid/bvt/proxy/filter/MergeStatFilterTest2.java
@@ -0,0 +1,51 @@
+package com.alibaba.druid.bvt.proxy.filter;
+
+import java.sql.Connection;
+import java.sql.Statement;
+
+import junit.framework.Assert;
+import junit.framework.TestCase;
+
+import com.alibaba.druid.pool.DruidDataSource;
+
+public class MergeStatFilterTest2 extends TestCase {
+	private DruidDataSource dataSource;
+
+	protected void setUp() throws Exception {
+		dataSource = new DruidDataSource();
+		dataSource.setUrl("jdbc:mock:xx");
+		dataSource.setFilters("mergeStat");
+	}
+
+	protected void tearDown() throws Exception {
+		dataSource.close();
+	}
+
+	public void test_merge() throws Exception {
+		{
+			String sql = "select * from t where id = 3 or id = 5 or id = 7";
+			Connection conn = dataSource.getConnection();
+
+			Statement stmt = conn.createStatement();
+			stmt.execute(sql);
+			stmt.close();
+
+			conn.close();
+		}
+
+		{
+			String sql = "select * from t where id = 122 or id = 55";
+			Connection conn = dataSource.getConnection();
+
+			Statement stmt = conn.createStatement();
+			stmt.execute(sql);
+			stmt.close();
+
+			conn.close();
+		}
+
+		Assert.assertEquals(1, dataSource.getDataSourceStat().getSqlStatMap()
+				.size());
+	}
+
+}
diff --git a/src/test/java/com/alibaba/druid/bvt/sql/oracle/OracleFormatTest.java b/src/test/java/com/alibaba/druid/bvt/sql/oracle/OracleFormatTest.java
new file mode 100644
index 0000000000..0cdbda3029
--- /dev/null
+++ b/src/test/java/com/alibaba/druid/bvt/sql/oracle/OracleFormatTest.java
@@ -0,0 +1,12 @@
+package com.alibaba.druid.bvt.sql.oracle;
+
+import com.alibaba.druid.sql.SQLUtils;
+
+import junit.framework.TestCase;
+
+public class OracleFormatTest extends TestCase{
+	public void test_formatOracle(){
+		String sql = SQLUtils.formatOracle("select substr('123''''a''''bc',0,3) FROM dual");
+		System.out.println(sql);
+	}
+}
diff --git a/src/test/java/com/alibaba/druid/bvt/util/OracleMockConnection.java b/src/test/java/com/alibaba/druid/test/util/OracleMockConnection.java
similarity index 96%
rename from src/test/java/com/alibaba/druid/bvt/util/OracleMockConnection.java
rename to src/test/java/com/alibaba/druid/test/util/OracleMockConnection.java
index 22c39af130..b9aeb0b9b2 100644
--- a/src/test/java/com/alibaba/druid/bvt/util/OracleMockConnection.java
+++ b/src/test/java/com/alibaba/druid/test/util/OracleMockConnection.java
@@ -1,4 +1,4 @@
-package com.alibaba.druid.bvt.util;
+package com.alibaba.druid.test.util;
 
 import java.math.BigDecimal;
 import java.math.BigInteger;
@@ -151,8 +151,8 @@ public class OracleMockConnection extends MockConnection implements oracle.jdbc.
         return null;
     }
 
+    // TODO Auto-generated method stub
     public NUMBER createNUMBER(boolean arg0) throws SQLException {
-        // TODO Auto-generated method stub
         return null;
     }
 
diff --git a/src/test/java/com/alibaba/druid/bvt/util/OracleMockDriver.java b/src/test/java/com/alibaba/druid/test/util/OracleMockDriver.java
similarity index 86%
rename from src/test/java/com/alibaba/druid/bvt/util/OracleMockDriver.java
rename to src/test/java/com/alibaba/druid/test/util/OracleMockDriver.java
index 4181a3cbbc..5eab93f49a 100644
--- a/src/test/java/com/alibaba/druid/bvt/util/OracleMockDriver.java
+++ b/src/test/java/com/alibaba/druid/test/util/OracleMockDriver.java
@@ -1,4 +1,4 @@
-package com.alibaba.druid.bvt.util;
+package com.alibaba.druid.test.util;
 
 import java.sql.Connection;
 import java.sql.SQLException;
diff --git a/src/test/java/com/alibaba/druid/bvt/util/OracleMockPreparedStatement.java b/src/test/java/com/alibaba/druid/test/util/OracleMockPreparedStatement.java
similarity index 95%
rename from src/test/java/com/alibaba/druid/bvt/util/OracleMockPreparedStatement.java
rename to src/test/java/com/alibaba/druid/test/util/OracleMockPreparedStatement.java
index 08a37329fd..536bfda28d 100644
--- a/src/test/java/com/alibaba/druid/bvt/util/OracleMockPreparedStatement.java
+++ b/src/test/java/com/alibaba/druid/test/util/OracleMockPreparedStatement.java
@@ -1,4 +1,4 @@
-package com.alibaba.druid.bvt.util;
+package com.alibaba.druid.test.util;
 
 import java.io.InputStream;
 import java.io.Reader;
diff --git a/src/test/java/com/alibaba/druid/bvt/util/OracleUtilsTest.java b/src/test/java/com/alibaba/druid/test/util/OracleUtilsTest.java
similarity index 93%
rename from src/test/java/com/alibaba/druid/bvt/util/OracleUtilsTest.java
rename to src/test/java/com/alibaba/druid/test/util/OracleUtilsTest.java
index c1e497f24d..8926ccfa9b 100644
--- a/src/test/java/com/alibaba/druid/bvt/util/OracleUtilsTest.java
+++ b/src/test/java/com/alibaba/druid/test/util/OracleUtilsTest.java
@@ -1,4 +1,4 @@
-package com.alibaba.druid.bvt.util;
+package com.alibaba.druid.test.util;
 
 import java.lang.reflect.InvocationHandler;
 import java.lang.reflect.Method;