Package com.facebook.presto.block

Examples of com.facebook.presto.block.Block

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            nextPage = page;
        }
        else {
            Block[] blocks = new Block[page.getChannelCount()];
            for (int channel = 0; channel < page.getChannelCount(); channel++) {
                Block block = page.getBlock(channel);
                blocks[channel] = block.getRegion(0, (int) remainingLimit);
            }
            nextPage = new Page((int) remainingLimit, blocks);
            remainingLimit = 0;
        }
    }
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            blocks[sampleWeightChannel] = builder.build();
            for (int channel = 0; channel < page.getChannelCount(); channel++) {
                if (channel == sampleWeightChannel) {
                    continue;
                }
                Block block = page.getBlock(channel);
                blocks[channel] = block.getRegion(0, rowsToCopy);
            }
            nextPage = new Page(rowsToCopy, blocks);
            remainingLimit = 0;
        }
    }
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        checkNotNull(page, "page is null");
        checkState(!finishing, "Operator is finishing");
        checkState(outputPage == null, "Operator still has pending output");
        operatorContext.setMemoryReservation(markDistinctHash.getEstimatedSize());

        Block markerBlock = markDistinctHash.markDistinctRows(page);

        // add the new boolean column to the page
        Block[] sourceBlocks = page.getBlocks();
        Block[] outputBlocks = new Block[sourceBlocks.length + 1]; // +1 for the single boolean output channel
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        assertNotNull(output);
        assertEquals(output.getPositionCount(), 1);
        assertEquals(output.getChannelCount(), 1);

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

        BlockCursor cursor = block.cursor();
        assertTrue(cursor.advanceNextPosition());
        if (cursor.isNull()) {
            return null;
        }
        else {
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        assertNotNull(output);
        assertEquals(output.getPositionCount(), 1);
        assertEquals(output.getChannelCount(), 1);

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

        BlockCursor cursor = block.cursor();
        assertTrue(cursor.advanceNextPosition());
        if (cursor.isNull()) {
            return null;
        }
        else {
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    @Test
    public void testAllPositionsNull()
            throws Exception
    {
        Block block = new RunLengthEncodedBlock(nullTuple(getSequenceBlock(0, 10).getTupleInfo()), 10);
        testAggregation(getExpectedValueIncludingNulls(0, 0, 10), block);
    }
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    }

    @Test
    public void testMixedNullAndNonNullPositions()
    {
        Block alternatingNullsBlock = createAlternatingNullsBlock(getSequenceBlock(0, 10));
        testAggregation(getExpectedValueIncludingNulls(0, 10, 20), alternatingNullsBlock);
    }
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    {
        Accumulator accumulator = function.createAggregation(Optional.<Integer>absent(), Optional.of(sampleWeightChannel), confidence, 0);
        for (Page page : pages) {
            accumulator.addInput(page);
        }
        Block result = accumulator.evaluateFinal();

        if (expectedValue == null) {
            return BlockAssertions.toValues(result).get(0) == null;
        }
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            if (page.getPositionCount() > 0) {
                partialAccumulator.addInput(page);
            }
        }

        Block partialBlock = partialAccumulator.evaluateIntermediate();

        Accumulator finalAggregation = function.createIntermediateAggregation(confidence);
        finalAggregation.addIntermediate(partialBlock);

        Block finalBlock = finalAggregation.evaluateFinal();

        if (expectedValue == null) {
            return BlockAssertions.toValues(finalBlock).get(0) == null;
        }
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            if (page.getPositionCount() > 0) {
                aggregation.addInput(page);
            }
        }

        Block block = aggregation.evaluateFinal();
        return BlockAssertions.getOnlyValue(block);
    }
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Related Classes of com.facebook.presto.block.Block

  • com.facebook.presto.metadata.ColumnFileHandle
  • com.facebook.presto.operator.aggregation.AbstractTestAggregationFunction
  • 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.TestCountAggregation
  • com.facebook.presto.operator.AggregationOperator$FixedWidthAggregator
  • com.facebook.presto.operator.LimitOperator
  • com.facebook.presto.operator.MarkDistinctOperator
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