How to use

getPlan

method

in

org.apache.lens.server.api.driver.DriverQueryPlan

 /**
  * To query plan.
  *
  * @return the query plan
  * @throws UnsupportedEncodingException the unsupported encoding exception
  */
 public QueryPlan toQueryPlan() throws UnsupportedEncodingException {
  return new QueryPlan(new ArrayList<>(tablesQueried), hasSubQuery, execMode != null ? execMode.name() : null,
   scanMode != null ? scanMode.name() : null, handle,
   URLEncoder.encode(getPlan(), "UTF-8"), new QueryCostTOBuilder(getCost()).build());
 }
}

 /**
  * To query plan.
  *
  * @return the query plan
  * @throws UnsupportedEncodingException the unsupported encoding exception
  */
 public QueryPlan toQueryPlan() throws UnsupportedEncodingException {
  return new QueryPlan(new ArrayList<>(tablesQueried), hasSubQuery, execMode != null ? execMode.name() : null,
   scanMode != null ? scanMode.name() : null, handle,
   URLEncoder.encode(getPlan(), "UTF-8"), new QueryCostTOBuilder(getCost()).build());
 }
}

/**
 * Test explain output.
 *
 * @throws Exception the exception
 */
@Test
public void testExplainOutput() throws Exception {
 int handleSize = getHandleSize();
 createTestTable("explain_test_1");
 createTestTable("explain_test_2");
 SessionState.setCurrentSessionState(ss);
 DriverQueryPlan plan = driver.explain(createExplainContext("SELECT explain_test_1.ID, count(1) FROM "
   + " explain_test_1  join explain_test_2 on explain_test_1.ID = explain_test_2.ID"
   + " WHERE explain_test_1.ID = 'foo' or explain_test_2.ID = 'bar'" + " GROUP BY explain_test_1.ID",
  queryConf));
 assertHandleSize(handleSize);
 assertTrue(plan instanceof HiveQueryPlan);
 assertNotNull(plan.getTablesQueried());
 assertEquals(plan.getTablesQueried().size(), 2);
 assertNotNull(plan.getTableWeights());
 assertTrue(plan.getTableWeights().containsKey(dataBase + ".explain_test_1"));
 assertTrue(plan.getTableWeights().containsKey(dataBase + ".explain_test_2"));
 assertTrue(plan.getPlan() != null && !plan.getPlan().isEmpty());
 driver.closeQuery(plan.getHandle());
}