diff --git a/src/test/java/com/alibaba/druid/sql/oracle/bvt/OracleSQLParserResourceTest.java b/src/test/java/com/alibaba/druid/sql/oracle/bvt/OracleSQLParserResourceTest.java
index a2d18be129..7f62f45f4e 100644
--- a/src/test/java/com/alibaba/druid/sql/oracle/bvt/OracleSQLParserResourceTest.java
+++ b/src/test/java/com/alibaba/druid/sql/oracle/bvt/OracleSQLParserResourceTest.java
@@ -16,51 +16,13 @@ import com.alibaba.druid.util.JdbcUtils;
 public class OracleSQLParserResourceTest extends TestCase {
 
     public void test_0() throws Exception {
-        exec_test("bvt/parser/oracle-0.txt");
-        exec_test("bvt/parser/oracle-1.txt");
-        exec_test("bvt/parser/oracle-2.txt");
-        exec_test("bvt/parser/oracle-3.txt");
-        exec_test("bvt/parser/oracle-4.txt");
-        exec_test("bvt/parser/oracle-5.txt");
-        exec_test("bvt/parser/oracle-6.txt"); // PARTITION
-        exec_test("bvt/parser/oracle-7.txt");
-        exec_test("bvt/parser/oracle-8.txt");
-        exec_test("bvt/parser/oracle-9.txt");
-        exec_test("bvt/parser/oracle-10.txt");
-        exec_test("bvt/parser/oracle-11.txt");
-        exec_test("bvt/parser/oracle-12.txt");
-        exec_test("bvt/parser/oracle-13.txt");
-        exec_test("bvt/parser/oracle-14.txt");
-        exec_test("bvt/parser/oracle-15.txt");
-        exec_test("bvt/parser/oracle-16.txt");
-        exec_test("bvt/parser/oracle-17.txt");
-        exec_test("bvt/parser/oracle-18.txt");
-        exec_test("bvt/parser/oracle-19.txt");
-        exec_test("bvt/parser/oracle-20.txt");
-        exec_test("bvt/parser/oracle-21.txt");
-        exec_test("bvt/parser/oracle-22.txt");
-        exec_test("bvt/parser/oracle-23.txt");
-        exec_test("bvt/parser/oracle-24.txt");
-        exec_test("bvt/parser/oracle-25.txt");
-        exec_test("bvt/parser/oracle-26.txt");
-        exec_test("bvt/parser/oracle-27.txt");
-        exec_test("bvt/parser/oracle-28.txt");
-        exec_test("bvt/parser/oracle-29.txt");
-        exec_test("bvt/parser/oracle-30.txt");
-        exec_test("bvt/parser/oracle-31.txt");
-        exec_test("bvt/parser/oracle-32.txt");
-        exec_test("bvt/parser/oracle-33.txt");
-        exec_test("bvt/parser/oracle-34.txt");
-        exec_test("bvt/parser/oracle-35.txt");
-        exec_test("bvt/parser/oracle-36.txt");
-        exec_test("bvt/parser/oracle-37.txt");
-        exec_test("bvt/parser/oracle-38.txt");
-        exec_test("bvt/parser/oracle-39.txt");
-        exec_test("bvt/parser/oracle-40.txt");
-        exec_test("bvt/parser/oracle-41.txt");
+        for (int i = 0; i <= 46; ++i) {
+            String resource = "bvt/parser/oracle-" + i + ".txt";
+            exec_test(resource);
+        }
+        // exec_test("bvt/parser/oracle-0.txt");
     }
-    
-    
+
     public void exec_test(String resource) throws Exception {
         System.out.println(resource);
         InputStream is = null;
@@ -72,16 +34,16 @@ public class OracleSQLParserResourceTest extends TestCase {
         String[] items = input.split("---------------------------");
         String sql = items[0].trim();
         String expect = items[1].trim();
-        
+
         OracleStatementParser parser = new OracleStatementParser(sql);
         List<SQLStatement> statementList = parser.parseStatementList();
-        
+
         Assert.assertEquals(1, statementList.size());
-        
+
         String text = output(statementList);
         System.out.println(text);
         Assert.assertEquals(expect, text.trim());
-       
+
     }
 
     private String output(List<SQLStatement> stmtList) {
diff --git a/src/test/java/com/alibaba/druid/sql/parser/SQLMergeTest.java b/src/test/java/com/alibaba/druid/sql/parser/SQLMergeTest.java
index c535fd1633..aedd10ca04 100644
--- a/src/test/java/com/alibaba/druid/sql/parser/SQLMergeTest.java
+++ b/src/test/java/com/alibaba/druid/sql/parser/SQLMergeTest.java
@@ -14,9 +14,18 @@ import com.alibaba.druid.sql.dialect.oracle.parser.OracleStatementParser;
 
 public class SQLMergeTest extends TestCase {
 
+    protected String sql;
+
+    protected void setUp() throws Exception {
+        sql = "SELECT /*mark for picman*/ * FROM WP_ALBUM WHERE MEMBER_ID = ? AND ID IN (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)";
+
+        sql = "SELECT * FROM my_table WHERE TRUNC(SYSDATE) = DATE '2002-10-03';";
+    }
+
     public void test_merge_1() throws Exception {
         String result = merge();
         System.out.println(result);
+
     }
 
     public void test_merge_2() throws Exception {
@@ -24,6 +33,12 @@ public class SQLMergeTest extends TestCase {
         System.out.println(result);
     }
 
+    public void test_perf() {
+        for (int i = 0; i < 10; ++i) {
+            perf();
+        }
+    }
+
     void perf() {
         long startMillis = System.currentTimeMillis();
         for (int i = 0; i < 1000 * 1000; ++i) {
@@ -34,11 +49,8 @@ public class SQLMergeTest extends TestCase {
     }
 
     private String merge() {
-        String sql = "SELECT /*mark for picman*/ * FROM WP_ALBUM WHERE MEMBER_ID = ? AND ID IN (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)";
-
         StringBuilder out = new StringBuilder();
         OracleOutputVisitor visitor = new OracleOutputVisitor(out) {
-
             public boolean visit(SQLInListExpr x) {
                 x.getExpr().accept(this);
 
@@ -147,7 +159,7 @@ public class SQLMergeTest extends TestCase {
             statement.accept(visitor);
             visitor.println();
         }
-        
+
         return out.toString();
     }
 }
diff --git a/src/test/resources/bvt/parser/oracle-42.txt b/src/test/resources/bvt/parser/oracle-42.txt
new file mode 100644
index 0000000000..326bf97107
--- /dev/null
+++ b/src/test/resources/bvt/parser/oracle-42.txt
@@ -0,0 +1,9 @@
+SELECT 3 FROM DUAL
+   INTERSECT
+SELECT 3f FROM DUAL;
+---------------------------
+SELECT 3
+FROM DUAL
+INTERSECT
+SELECT 3.0F
+FROM DUAL;
\ No newline at end of file
diff --git a/src/test/resources/bvt/parser/oracle-43.txt b/src/test/resources/bvt/parser/oracle-43.txt
new file mode 100644
index 0000000000..c3c5fe2619
--- /dev/null
+++ b/src/test/resources/bvt/parser/oracle-43.txt
@@ -0,0 +1,11 @@
+SELECT location_id, department_name "Department", 
+   TO_CHAR(NULL) "Warehouse"  FROM departments
+   UNION
+   SELECT location_id, TO_CHAR(NULL) "Department", warehouse_name 
+   FROM warehouses;
+---------------------------
+SELECT location_id, department_name AS "Department", TO_CHAR(NULL) AS "Warehouse"
+FROM departments
+UNION
+SELECT location_id, TO_CHAR(NULL) AS "Department", warehouse_name
+FROM warehouses;
\ No newline at end of file
diff --git a/src/test/resources/bvt/parser/oracle-44.txt b/src/test/resources/bvt/parser/oracle-44.txt
new file mode 100644
index 0000000000..903ac2308c
--- /dev/null
+++ b/src/test/resources/bvt/parser/oracle-44.txt
@@ -0,0 +1,11 @@
+SELECT location_id  FROM locations 
+UNION ALL 
+SELECT location_id  FROM departments
+ORDER BY location_id;
+---------------------------
+SELECT location_id
+FROM locations
+UNION ALL
+SELECT location_id
+FROM departments
+ORDER BY location_id;
\ No newline at end of file
diff --git a/src/test/resources/bvt/parser/oracle-45.txt b/src/test/resources/bvt/parser/oracle-45.txt
new file mode 100644
index 0000000000..efafa08499
--- /dev/null
+++ b/src/test/resources/bvt/parser/oracle-45.txt
@@ -0,0 +1,11 @@
+SELECT product_id FROM inventories
+MINUS
+SELECT product_id FROM order_items
+ORDER BY product_id;
+---------------------------
+SELECT product_id
+FROM inventories
+MINUS
+SELECT product_id
+FROM order_items
+ORDER BY product_id;
\ No newline at end of file
diff --git a/src/test/resources/bvt/parser/oracle-46.txt b/src/test/resources/bvt/parser/oracle-46.txt
new file mode 100644
index 0000000000..32da8fddbb
--- /dev/null
+++ b/src/test/resources/bvt/parser/oracle-46.txt
@@ -0,0 +1,7 @@
+SELECT employee_id, manager_id 
+   FROM employees
+   WHERE employees.manager_id(+) = employees.employee_id;
+---------------------------
+SELECT employee_id, manager_id
+FROM employees
+WHERE manager_id(+) = employees.employee_id;
\ No newline at end of file