diff --git a/src/test/java/com/alibaba/druid/bvt/sql/oracle/OracleGroupingSetTest.java b/src/test/java/com/alibaba/druid/bvt/sql/oracle/OracleGroupingSetTest.java
new file mode 100644
index 0000000000..224939bba9
--- /dev/null
+++ b/src/test/java/com/alibaba/druid/bvt/sql/oracle/OracleGroupingSetTest.java
@@ -0,0 +1,43 @@
+package com.alibaba.druid.bvt.sql.oracle;
+
+import junit.framework.Assert;
+import junit.framework.TestCase;
+
+import com.alibaba.druid.sql.ast.statement.SQLSelectStatement;
+import com.alibaba.druid.sql.dialect.oracle.parser.OracleStatementParser;
+import com.alibaba.druid.sql.test.TestUtils;
+
+public class OracleGroupingSetTest extends TestCase {
+
+    public void test_interval() throws Exception {
+        String sql = "SELECT channel_desc, calendar_month_desc, co.country_id, "
+                     + "TO_CHAR(sum(amount_sold) , '9,999,999,999') AS SALES$\n"
+                     + "FROM sales, customers, times, channels, countries co\n"
+                     + "WHERE sales.time_id = times.time_id AND sales.cust_id = customers.cust_id AND sales.channel_id = channels.channel_id "
+                     + "AND customers.country_id = co.country_id AND channels.channel_desc IN ('Direct Sales', 'Internet') "
+                     + "AND times.calendar_month_desc IN ('2000-09', '2000-10') "
+                     + "AND co.country_id IN ('UK', 'US')\n"
+                     + "GROUP BY GROUPING SETS((channel_desc, calendar_month_desc, co.country_id), (channel_desc, co.country_id), "
+                     + "( calendar_month_desc, co.country_id) );\n";
+
+        String expected = "SELECT channel_desc, calendar_month_desc, co.country_id, "
+                          + "TO_CHAR(sum(amount_sold), '9,999,999,999') AS SALES$\n"
+                          + "FROM sales, customers, times, channels, countries co\n"
+                          + "WHERE sales.time_id = times.time_id AND sales.cust_id = customers.cust_id AND sales.channel_id = channels.channel_id "
+                          + "AND customers.country_id = co.country_id AND channels.channel_desc IN ('Direct Sales', 'Internet') "
+                          + "AND times.calendar_month_desc IN ('2000-09', '2000-10') "
+                          + "AND co.country_id IN ('UK', 'US')\n"
+                          + "GROUP BY GROUPING SETS ((channel_desc, calendar_month_desc, co.country_id), (channel_desc, co.country_id), "
+                          + "(calendar_month_desc, co.country_id));\n";
+
+        OracleStatementParser parser = new OracleStatementParser(sql);
+        SQLSelectStatement stmt = (SQLSelectStatement) parser.parseStatementList().get(0);
+
+        String text = TestUtils.outputOracle(stmt);
+
+        Assert.assertEquals(expected, text);
+
+        System.out.println(text);
+    }
+
+}