Examples with QueryStats io.prestosql.execution.QueryStats used on opensource projects

Example 11 with QueryStats

use of io.prestosql.execution.QueryStats in project hetu-core by openlookeng.

the class TestMemorySmoke method testJoinDynamicFilteringSingleValue.

@Test
public void testJoinDynamicFilteringSingleValue() {
    final long buildSideRowsCount = 15_000L;
    assertQueryResult("SELECT COUNT() FROM orders", buildSideRowsCount);
    assertQueryResult("SELECT COUNT() FROM orders WHERE comment = 'nstructions sleep furiously among '", 1L);
    assertQueryResult("SELECT orderkey FROM orders WHERE comment = 'nstructions sleep furiously among '", 1L);
    assertQueryResult("SELECT COUNT() FROM lineitem WHERE orderkey = 1", 6L);
    Session session = Session.builder(getSession()).setSystemProperty(ENABLE_DYNAMIC_FILTERING, "true").setSystemProperty(JOIN_DISTRIBUTION_TYPE, FeaturesConfig.JoinDistributionType.BROADCAST.name()).build();
    DistributedQueryRunner runner = (DistributedQueryRunner) getQueryRunner();
    ResultWithQueryId<MaterializedResult> result = runner.executeWithQueryId(session, "SELECT * FROM lineitem JOIN orders " + "ON lineitem.orderkey = orders.orderkey AND orders.comment = 'nstructions sleep furiously among '");
    assertEquals(result.getResult().getRowCount(), 6);
    // Probe-side is dynamically filtered:
    // Note: because the global dynamic filter is not applied in the memory connector, we have changed the assert value for this test
    QueryStats stats = runner.getCoordinator().getQueryManager().getFullQueryInfo(result.getQueryId()).getQueryStats();
    Set rowsRead = stats.getOperatorSummaries().stream().filter(summary -> summary.getOperatorType().equals("ScanFilterAndProjectOperator")).map(summary -> summary.getInputPositions()).collect(toImmutableSet());
    assertEquals(rowsRead, ImmutableSet.of(6L, buildSideRowsCount));
}

Example 12 with QueryStats

use of io.prestosql.execution.QueryStats in project hetu-core by openlookeng.

the class TestMemorySmoke method testSemiJoinDynamicFilteringSingleValue.

@Test
public void testSemiJoinDynamicFilteringSingleValue() {
    final long buildSideRowsCount = 15_000L;
    Session session = Session.builder(getSession()).setSystemProperty(ENABLE_DYNAMIC_FILTERING, "true").setSystemProperty(JOIN_DISTRIBUTION_TYPE, FeaturesConfig.JoinDistributionType.BROADCAST.name()).build();
    DistributedQueryRunner runner = (DistributedQueryRunner) getQueryRunner();
    ResultWithQueryId<MaterializedResult> result = runner.executeWithQueryId(session, "SELECT * FROM lineitem WHERE orderkey IN (SELECT orderkey from orders WHERE orders.comment = 'nstructions sleep furiously among ')");
    assertEquals(result.getResult().getRowCount(), 6);
    QueryStats stats = runner.getCoordinator().getQueryManager().getFullQueryInfo(result.getQueryId()).getQueryStats();
    Set rowsRead = stats.getOperatorSummaries().stream().filter(summary -> summary.getOperatorType().equals("ScanFilterAndProjectOperator")).map(summary -> summary.getInputPositions()).collect(toImmutableSet());
    assertEquals(rowsRead, ImmutableSet.of(6L, buildSideRowsCount));
}

Example 13 with QueryStats

use of io.prestosql.execution.QueryStats in project hetu-core by openlookeng.

the class TestMemorySmoke method testJoinDynamicFilteringNone.

@Test
public void testJoinDynamicFilteringNone() {
    final long buildSideRowsCount = 15_000L;
    assertQueryResult("SELECT COUNT() FROM orders", buildSideRowsCount);
    assertQueryResult("SELECT COUNT() FROM orders WHERE totalprice < 0", 0L);
    Session session = Session.builder(getSession()).setSystemProperty(ENABLE_DYNAMIC_FILTERING, "true").setSystemProperty(JOIN_DISTRIBUTION_TYPE, FeaturesConfig.JoinDistributionType.BROADCAST.name()).build();
    DistributedQueryRunner runner = (DistributedQueryRunner) getQueryRunner();
    ResultWithQueryId<MaterializedResult> result = runner.executeWithQueryId(session, "SELECT * FROM lineitem JOIN orders " + "ON lineitem.orderkey = orders.orderkey AND orders.totalprice < 0");
    assertEquals(result.getResult().getRowCount(), 0);
    // Probe-side is not scanned at all, due to dynamic filtering:
    // Note that because of the Global Dynamic Filter not being applied in the Memory Connector, we have changed this test
    QueryStats stats = runner.getCoordinator().getQueryManager().getFullQueryInfo(result.getQueryId()).getQueryStats();
    Set rowsRead = stats.getOperatorSummaries().stream().filter(summary -> summary.getOperatorType().equals("ScanFilterAndProjectOperator")).map(summary -> summary.getInputPositions()).collect(toImmutableSet());
    assertEquals(rowsRead, ImmutableSet.of(0L, buildSideRowsCount));
}