Package com.facebook.presto.spi

Examples of com.facebook.presto.spi.Page

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        checkType(split, TestingSplit.class, "split");

        // TODO: check for !columns.isEmpty() -- currently, it breaks TestSqlTaskManager
        // and fixing it requires allowing TableScan nodes with no assignments

        return new FixedPageSource(ImmutableList.of(new Page(1)));
    }
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        LookupSource lookupSource = lookupSourceFactoryFactory.createLookupSource(addresses, types, ImmutableList.of(channel), operatorContext);

        JoinProbeCompiler joinProbeCompiler = new JoinProbeCompiler();
        JoinProbeFactory probeFactory = joinProbeCompiler.internalCompileJoinProbe(types, Ints.asList(0));

        Page page = SequencePageBuilder.createSequencePage(types, 10, 10);
        JoinProbe joinProbe = probeFactory.createJoinProbe(lookupSource, page);

        // verify channel count
        assertEquals(joinProbe.getChannelCount(), 1);

        Block probeBlock = page.getBlock(0);
        PageBuilder pageBuilder = new PageBuilder(types);
        for (int position = 0; position < page.getPositionCount(); position++) {
            assertTrue(joinProbe.advanceNextPosition());

            joinProbe.appendTo(pageBuilder);

            assertEquals(joinProbe.getCurrentJoinPosition(), lookupSource.getJoinPosition(position, probeBlock));
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    public static final TaskId QUEUE = new TaskId("query", "stage", "queue");
    public static final TaskId FOO = new TaskId("foo", "bar", "baz");

    private static Page createPage(int i)
    {
        return new Page(BlockAssertions.createLongsBlock(i));
    }
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//>>>>>>> Use async http responses for task communication
    {
        assertEquals(actual.getPages().size(), expected.getPages().size());
        assertEquals(actual.getToken(), expected.getToken());
        for (int i = 0; i < actual.getPages().size(); i++) {
            Page actualPage = actual.getPages().get(i);
            Page expectedPage = expected.getPages().get(i);
            assertEquals(actualPage.getChannelCount(), expectedPage.getChannelCount());
            PageAssertions.assertPageEquals(types, actualPage, expectedPage);
        }
        assertEquals(actual.isBufferClosed(), expected.isBufferClosed());
    }
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        }

        // Drain the output (partial flush)
        List<Page> outputPages = new ArrayList<>();
        while (true) {
            Page output = operator.getOutput();
            if (output == null) {
                break;
            }
            outputPages.add(output);
        }
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    {
        Block[] blocks = new Block[builders.size()];
        for (int i = 0; i < blocks.length; i++) {
            blocks[i] = builders.get(i).build();
        }
        return new Page(blocks);
    }
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            assertEquals(operator.needsInput(), false);
            if (operator.isFinished()) {
                break;
            }

            Page outputPage = operator.getOutput();
            if (outputPage != null) {
                outputPages.add(outputPage);
            }
            else {
                Thread.sleep(10);
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            Builder<String, String> headers = ImmutableListMultimap.builder();
            headers.put(PRESTO_PAGE_TOKEN, String.valueOf(pageToken));

            TaskBuffer taskBuffer = taskBuffers.getUnchecked(taskId);
            Page page = taskBuffer.getPage(pageToken);
            if (page != null) {
                headers.put(CONTENT_TYPE, PRESTO_PAGES);
                headers.put(PRESTO_PAGE_NEXT_TOKEN, String.valueOf(pageToken + 1));
                DynamicSliceOutput output = new DynamicSliceOutput(256);
                PagesSerde.writePages(createTestingBlockEncodingManager(), output, page);
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        checkArgument(length > 0, "length must be at least 1");
        checkNotNull(initialValues, "initialValues is null");
        checkArgument(initialValues.length == types.size(), "Expected %s initialValues, but got %s", types.size(), initialValues.length);

        pageBreak();
        Page page = SequencePageBuilder.createSequencePage(types, length, initialValues);
        pages.add(page);
        return this;
    }
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        return this;
    }

    public RowPagesBuilder addBlocksPage(Block... blocks)
    {
        pages.add(new Page(blocks));
        return this;
    }
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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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