use of com.facebook.presto.operator.MarkDistinctOperator.MarkDistinctOperatorFactory in project presto by prestodb.
the class TestMarkDistinctOperator method testMarkDistinct.
@Test(dataProvider = "hashEnabledValues")
public void testMarkDistinct(boolean hashEnabled) {
RowPagesBuilder rowPagesBuilder = rowPagesBuilder(hashEnabled, Ints.asList(0), BIGINT);
List<Page> input = rowPagesBuilder.addSequencePage(100, 0).addSequencePage(100, 0).build();
OperatorFactory operatorFactory = new MarkDistinctOperatorFactory(0, new PlanNodeId("test"), rowPagesBuilder.getTypes(), ImmutableList.of(0), rowPagesBuilder.getHashChannel(), joinCompiler);
MaterializedResult.Builder expected = resultBuilder(driverContext.getSession(), BIGINT, BOOLEAN);
for (long i = 0; i < 100; i++) {
expected.row(i, true);
expected.row(i, false);
}
OperatorAssertion.assertOperatorEqualsIgnoreOrder(operatorFactory, driverContext, input, expected.build(), hashEnabled, Optional.of(1));
}
use of com.facebook.presto.operator.MarkDistinctOperator.MarkDistinctOperatorFactory in project presto by prestodb.
the class TestMarkDistinctOperator method testMemoryReservationYield.
@Test(dataProvider = "dataType")
public void testMemoryReservationYield(Type type) {
List<Page> input = createPagesWithDistinctHashKeys(type, 6_000, 600);
OperatorFactory operatorFactory = new MarkDistinctOperatorFactory(0, new PlanNodeId("test"), ImmutableList.of(type), ImmutableList.of(0), Optional.of(1), joinCompiler);
// get result with yield; pick a relatively small buffer for partitionRowCount's memory usage
GroupByHashYieldAssertion.GroupByHashYieldResult result = finishOperatorWithYieldingGroupByHash(input, type, operatorFactory, operator -> ((MarkDistinctOperator) operator).getCapacity(), 1_400_000);
assertGreaterThan(result.getYieldCount(), 5);
assertGreaterThan(result.getMaxReservedBytes(), 20L << 20);
int count = 0;
for (Page page : result.getOutput()) {
assertEquals(page.getChannelCount(), 3);
for (int i = 0; i < page.getPositionCount(); i++) {
assertEquals(page.getBlock(2).getByte(i), 1);
count++;
}
}
assertEquals(count, 6_000 * 600);
}
use of com.facebook.presto.operator.MarkDistinctOperator.MarkDistinctOperatorFactory in project presto by prestodb.
the class TestMarkDistinctOperator method testRleDistinctMask.
@Test(dataProvider = "hashEnabledValues")
public void testRleDistinctMask(boolean hashEnabled) {
RowPagesBuilder rowPagesBuilder = rowPagesBuilder(hashEnabled, Ints.asList(0), BIGINT);
List<Page> inputs = rowPagesBuilder.addSequencePage(100, 0).addSequencePage(100, 50).addSequencePage(1, 200).addSequencePage(1, 100).build();
Page firstInput = inputs.get(0);
Page secondInput = inputs.get(1);
Page singleDistinctPage = inputs.get(2);
Page singleNotDistinctPage = inputs.get(3);
OperatorFactory operatorFactory = new MarkDistinctOperatorFactory(0, new PlanNodeId("test"), rowPagesBuilder.getTypes(), ImmutableList.of(0), rowPagesBuilder.getHashChannel(), joinCompiler);
// mask channel is appended to the input
int maskChannel = firstInput.getChannelCount();
try (Operator operator = operatorFactory.createOperator(driverContext)) {
operator.addInput(firstInput);
Block allDistinctOutput = operator.getOutput().getBlock(maskChannel);
operator.addInput(firstInput);
Block noDistinctOutput = operator.getOutput().getBlock(maskChannel);
// all distinct and no distinct conditions produce RLE blocks
assertInstanceOf(allDistinctOutput, RunLengthEncodedBlock.class);
assertTrue(BOOLEAN.getBoolean(allDistinctOutput, 0));
assertInstanceOf(noDistinctOutput, RunLengthEncodedBlock.class);
assertFalse(BOOLEAN.getBoolean(noDistinctOutput, 0));
operator.addInput(secondInput);
Block halfDistinctOutput = operator.getOutput().getBlock(maskChannel);
// [0,50) is not distinct
for (int position = 0; position < 50; position++) {
assertFalse(BOOLEAN.getBoolean(halfDistinctOutput, position));
}
for (int position = 50; position < 100; position++) {
assertTrue(BOOLEAN.getBoolean(halfDistinctOutput, position));
}
operator.addInput(singleDistinctPage);
Block singleDistinctBlock = operator.getOutput().getBlock(maskChannel);
assertFalse(singleDistinctBlock instanceof RunLengthEncodedBlock, "single position inputs should not be RLE");
assertTrue(BOOLEAN.getBoolean(singleDistinctBlock, 0));
operator.addInput(singleNotDistinctPage);
Block singleNotDistinctBlock = operator.getOutput().getBlock(maskChannel);
assertFalse(singleNotDistinctBlock instanceof RunLengthEncodedBlock, "single position inputs should not be RLE");
assertFalse(BOOLEAN.getBoolean(singleNotDistinctBlock, 0));
} catch (Exception e) {
throwIfUnchecked(e);
throw new RuntimeException(e);
}
}
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