@Test
public void testInnerJoinWithSubqueryLHS() throws Exception {
ResultSet rs =
methodWatcher.executeQuery(
format(
"explain select a2.pid from (select person.pid from %s) as a3 "
+ " join %s a2 "
+ " on a2.pid = a3.pid ",
spliceTableWatcher, spliceTableWatcher2));
int count = 0;
while (rs.next()) {
count++;
if (count == 4) {
String row = rs.getString(1);
String joinStrategy =
row.substring(
row.indexOf(PLAN_LINE_LEADER) + PLAN_LINE_LEADER.length(),
row.indexOf(JOIN_STRATEGY_TERMINATOR));
Assert.assertTrue(
MERGE_SORT_JOIN.equals(joinStrategy) || BROADCAST_JOIN.equals(joinStrategy));
break;
}
}
}
@Test
public void testInnerJoinWithSubquery() throws Exception {
ResultSet rs =
methodWatcher.executeQuery(
format(
"explain select a2.pid from %s a2 join "
+ "(select person.pid from %s) as a3 "
+ " on a2.pid = a3.pid ",
spliceTableWatcher2, spliceTableWatcher));
int count = 0;
while (rs.next()) {
count++;
if (count == 4) {
String row = rs.getString(1);
String joinStrategy =
row.substring(
row.indexOf(PLAN_LINE_LEADER) + PLAN_LINE_LEADER.length(),
row.indexOf(JOIN_STRATEGY_TERMINATOR));
Assert.assertThat(
"Join strategy must be either MERGE_SORT_JOIN or BROADCAST_JOIN",
joinStrategy,
anyOf(equalTo(MERGE_SORT_JOIN), equalTo(BROADCAST_JOIN)));
break;
}
}
}
