public List<String> getPartitionKeys(String dbName, String tableName) {
        return metastore.getPartitionKeysByValue(dbName, tableName, HivePartitionValue.ALL_PARTITION_VALUES);
    }
@Test
    public void testGetPartitionKeys() {
        Assert.assertEquals(Lists.newArrayList("col1"), hmsOps.getPartitionKeys("db1", "tbl1"));
    }