Examples with WindowOperatorFactory com.facebook.presto.operator.WindowOperator.WindowOperatorFactory used on opensource projects

Example 26 with WindowOperatorFactory

use of com.facebook.presto.operator.WindowOperator.WindowOperatorFactory in project presto by prestodb.

the class TestWindowOperator method testLeadPartition.

@Test(dataProvider = "spillEnabled")
public void testLeadPartition(boolean spillEnabled, boolean revokeMemoryWhenAddingPages, long memoryLimit) {
    List<Page> input = rowPagesBuilder(VARCHAR, VARCHAR, BIGINT, BIGINT, VARCHAR, BOOLEAN, VARCHAR).row("b", "A1", 1L, 1L, "D", true, "").row("a", "A2", 1L, 2L, "D", false, "").row("a", "B1", 2L, 2L, "D", true, "").pageBreak().row("b", "C1", 2L, 1L, "D", false, "").row("a", "C2", 3L, 2L, "D", true, "").row("c", "A3", 1L, 1L, "D", true, "").build();
    WindowOperatorFactory operatorFactory = createFactoryUnbounded(ImmutableList.of(VARCHAR, VARCHAR, BIGINT, BIGINT, VARCHAR, BOOLEAN, VARCHAR), Ints.asList(0, 1, 2, 5), LEAD, Ints.asList(0), Ints.asList(2), ImmutableList.copyOf(new SortOrder[] { SortOrder.ASC_NULLS_LAST }), spillEnabled);
    DriverContext driverContext = createDriverContext(memoryLimit);
    MaterializedResult expected = resultBuilder(driverContext.getSession(), VARCHAR, VARCHAR, BIGINT, BOOLEAN, VARCHAR).row("a", "A2", 1L, false, "C2").row("a", "B1", 2L, true, "D").row("a", "C2", 3L, true, "D").row("b", "A1", 1L, true, "C1").row("b", "C1", 2L, false, "D").row("c", "A3", 1L, true, "D").build();
    assertOperatorEquals(operatorFactory, driverContext, input, expected, revokeMemoryWhenAddingPages);
}

Example 27 with WindowOperatorFactory

use of com.facebook.presto.operator.WindowOperator.WindowOperatorFactory in project presto by prestodb.

the class TestWindowOperator method testPartiallyPreGroupedPartition.

@Test(dataProvider = "spillEnabled")
public void testPartiallyPreGroupedPartition(boolean spillEnabled, boolean revokeMemoryWhenAddingPages, long memoryLimit) {
    List<Page> input = rowPagesBuilder(BIGINT, VARCHAR, BIGINT, VARCHAR).pageBreak().row(1L, "a", 100L, "A").row(2L, "a", 101L, "B").pageBreak().row(3L, "b", 102L, "E").row(1L, "b", 103L, "D").pageBreak().row(3L, "b", 104L, "C").row(1L, "c", 105L, "F").pageBreak().build();
    WindowOperatorFactory operatorFactory = createFactoryUnbounded(ImmutableList.of(BIGINT, VARCHAR, BIGINT, VARCHAR), Ints.asList(0, 1, 2, 3), ROW_NUMBER, Ints.asList(0, 1), Ints.asList(1), Ints.asList(3), ImmutableList.of(SortOrder.ASC_NULLS_LAST), 0, spillEnabled);
    DriverContext driverContext = createDriverContext(memoryLimit);
    MaterializedResult expected = resultBuilder(driverContext.getSession(), BIGINT, VARCHAR, BIGINT, VARCHAR, BIGINT).row(1L, "a", 100L, "A", 1L).row(2L, "a", 101L, "B", 1L).row(3L, "b", 104L, "C", 1L).row(3L, "b", 102L, "E", 2L).row(1L, "b", 103L, "D", 1L).row(1L, "c", 105L, "F", 1L).build();
    assertOperatorEqualsIgnoreOrder(operatorFactory, driverContext, input, expected, revokeMemoryWhenAddingPages);
}

Example 28 with WindowOperatorFactory

use of com.facebook.presto.operator.WindowOperator.WindowOperatorFactory in project presto by prestodb.

the class TestWindowOperator method testMultipleOutputPages.

@Test(dataProvider = "spillEnabled")
public void testMultipleOutputPages(boolean spillEnabled, boolean revokeMemoryWhenAddingPages, long memoryLimit) {
    // make operator produce multiple pages during finish phase
    int numberOfRows = 80_000;
    List<Page> input = rowPagesBuilder(BIGINT, DOUBLE).addSequencePage(numberOfRows, 0, 0).build();
    WindowOperatorFactory operatorFactory = createFactoryUnbounded(ImmutableList.of(BIGINT, DOUBLE), Ints.asList(1, 0), ROW_NUMBER, Ints.asList(), Ints.asList(0), ImmutableList.copyOf(new SortOrder[] { SortOrder.DESC_NULLS_FIRST }), spillEnabled);
    DriverContext driverContext = createDriverContext(memoryLimit);
    MaterializedResult.Builder expectedBuilder = resultBuilder(driverContext.getSession(), DOUBLE, BIGINT, BIGINT);
    for (int i = 0; i < numberOfRows; ++i) {
        expectedBuilder.row((double) numberOfRows - i - 1, (long) numberOfRows - i - 1, (long) i + 1);
    }
    MaterializedResult expected = expectedBuilder.build();
    List<Page> pages = toPages(operatorFactory, driverContext, input, revokeMemoryWhenAddingPages);
    assertGreaterThan(pages.size(), 1, "Expected more than one output page");
    MaterializedResult actual = toMaterializedResult(driverContext.getSession(), expected.getTypes(), pages);
    assertEquals(actual.getMaterializedRows(), expected.getMaterializedRows());
    assertTrue(spillEnabled == (spillerFactory.getSpillsCount() > 0), format("Spill state mismatch. Expected spill: %s, spill count: %s", spillEnabled, spillerFactory.getSpillsCount()));
}