Package com.facebook.presto.spi

Examples of com.facebook.presto.spi.Page

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            valuesBlock = createLongsBlock(values);
            weightsBlock = createLongsBlock(weights);
            percentilesBlock = createRLEBlock(percentile, values.length);
        }

        return new Page(valuesBlock, weightsBlock, percentilesBlock);
    }
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            valuesBlock = createDoublesBlock(values);
            weightsBlock = createLongsBlock(weights);
            percentilesBlock = createRLEBlock(percentile, values.length);
        }

        return new Page(valuesBlock, weightsBlock, percentilesBlock);
    }
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                }
                else {
                    throw new AssertionError("Can only handle longs and doubles");
                }
            }
            Page page = new Page(builder.build());
            page = OperatorAssertion.appendSampleWeight(ImmutableList.of(page), WEIGHT).get(0);
            Accumulator accumulator = getFunction().bind(ImmutableList.of(0), Optional.<Integer>absent(), Optional.of(page.getChannelCount() - 1), getConfidence()).createAccumulator();

            accumulator.addInput(page);
            Block result = accumulator.evaluateFinal();

            String approxValue = BlockAssertions.toValues(accumulator.getFinalType(), result).get(0).toString();
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    }

    @Override
    protected void testAggregation(Object expectedValue, Block block)
    {
        Page page = OperatorAssertion.appendSampleWeight(ImmutableList.of(new Page(block)), WEIGHT).get(0);
        assertApproximateAggregation(getFunction(), page.getChannelCount() - 1, getConfidence(), (Double) expectedValue, page);
    }
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            throws Exception
    {
        GroupByHash groupByHash = new GroupByHash(ImmutableList.of(BIGINT), new int[] {0}, 100);
        for (int tries = 0; tries < 2; tries++) {
            for (int value = 0; value < MAX_GROUP_ID; value++) {
                Page page = new Page(BlockAssertions.createLongsBlock(value));
                for (int addValuesTries = 0; addValuesTries < 10; addValuesTries++) {
                    GroupByIdBlock groupIds = groupByHash.getGroupIds(page);
                    assertEquals(groupIds.getGroupCount(), tries == 0 ? value + 1 : MAX_GROUP_ID);
                    assertEquals(groupIds.getPositionCount(), 1);
                    long groupId = groupIds.getGroupId(0);
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        assertEquals(clientStatus.getHttpRequestState(), "not scheduled", "httpRequestState");
    }

    private static Page createPage(int size)
    {
        return new Page(BlockAssertions.createLongSequenceBlock(0, size));
    }
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        return selectSingleValue(operator);
    }

    private Object selectSingleValue(Operator operator)
    {
        Page output = getAtMostOnePage(operator, SOURCE_PAGE);

        assertNotNull(output);
        assertEquals(output.getPositionCount(), 1);
        assertEquals(output.getChannelCount(), 1);
        Type type = operator.getTypes().get(0);

        Block block = output.getBlock(0);
        assertEquals(block.getPositionCount(), 1);

        return type.getObjectValue(session.toConnectorSession(), block, 0);
    }
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        return executeFilter(operator);
    }

    private static boolean executeFilter(Operator operator)
    {
        Page page = getAtMostOnePage(operator, SOURCE_PAGE);

        boolean value;
        if (page != null) {
            assertEquals(page.getPositionCount(), 1);
            assertEquals(page.getChannelCount(), 1);

            assertTrue(operator.getTypes().get(0).getBoolean(page.getBlock(0), 0));
            value = true;
        }
        else {
            value = false;
        }
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        return value;
    }

    private static boolean executeFilterWithNoInputColumns(Operator operator)
    {
        Page page = getAtMostOnePage(operator, ZERO_CHANNEL_PAGE);

        boolean value;
        if (page != null) {
            assertEquals(page.getPositionCount(), 1);
            assertEquals(page.getChannelCount(), 0);
            value = true;
        }
        else {
            value = false;
        }
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        VARCHAR.writeString(expectedBlockBuilder, "bob");
        VARCHAR.writeString(expectedBlockBuilder, "charlie");
        VARCHAR.writeString(expectedBlockBuilder, "dave");
        Block expectedBlock = expectedBlockBuilder.build();

        Page expectedPage = new Page(expectedBlock, expectedBlock, expectedBlock);

        DynamicSliceOutput sliceOutput = new DynamicSliceOutput(1024);
        writePages(createTestingBlockEncodingManager(), sliceOutput, expectedPage, expectedPage, expectedPage);

        List<Type> types = ImmutableList.<Type>of(VARCHAR, VARCHAR, VARCHAR);
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Related Classes of com.facebook.presto.spi.Page

  • com.facebook.presto.benchmark.HandTpchQuery1$TpchQuery1Operator
  • com.facebook.presto.connector.informationSchema.InformationSchemaPageSourceProvider
  • com.facebook.presto.execution.SharedBuffer
  • com.facebook.presto.execution.TestingPageSourceProvider
  • com.facebook.presto.execution.TestSharedBuffer
  • com.facebook.presto.operator.aggregation.AbstractTestApproximateAggregationFunction
  • com.facebook.presto.operator.aggregation.AbstractTestApproximateCountDistinct
  • com.facebook.presto.operator.aggregation.AggregationTestUtils
  • com.facebook.presto.operator.aggregation.TestApproximatePercentileAggregation
  • com.facebook.presto.operator.aggregation.TestMaxByAggregation
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