Package com.facebook.presto.spi.block

Examples of com.facebook.presto.spi.block.Block

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            implements PageProcessor
    {
        @Override
        public int process(ConnectorSession session, Page page, int start, int end, PageBuilder pageBuilder)
        {
            Block discountBlock = page.getBlock(DISCOUNT);
            int position = start;
            for (; position < end; position++) {
                // where shipdate >= '1994-01-01'
                //    and shipdate < '1995-01-01'
                //    and discount >= 0.05
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                BlockAssertions.createStringSequenceBlock(10, 20),
                BlockAssertions.createStringSequenceBlock(20, 30),
                BlockAssertions.createStringSequenceBlock(15, 25));
        LongArrayList addresses = new LongArrayList();
        for (int blockIndex = 0; blockIndex < channel.size(); blockIndex++) {
            Block block = channel.get(blockIndex);
            for (int positionIndex = 0; positionIndex < block.getPositionCount(); positionIndex++) {
                addresses.add(encodeSyntheticAddress(blockIndex, positionIndex));
            }
        }
        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);
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        // verify channel count
        assertEquals(hashStrategy.getChannelCount(), 1);

        // verify hashStrategy is consistent with equals and hash code from block
        for (int leftBlockIndex = 0; leftBlockIndex < channel.size(); leftBlockIndex++) {
            Block leftBlock = channel.get(leftBlockIndex);

            PageBuilder pageBuilder = new PageBuilder(ImmutableList.of(VARCHAR));

            for (int leftBlockPosition = 0; leftBlockPosition < leftBlock.getPositionCount(); leftBlockPosition++) {
                // hash code of position must match block hash
                assertEquals(hashStrategy.hashPosition(leftBlockIndex, leftBlockPosition), hashPosition(VARCHAR, leftBlock, leftBlockPosition));

                // position must be equal to itself
                assertTrue(hashStrategy.positionEqualsPosition(leftBlockIndex, leftBlockPosition, leftBlockIndex, leftBlockPosition));

                // check equality of every position against every other position in the block
                for (int rightBlockIndex = 0; rightBlockIndex < channel.size(); rightBlockIndex++) {
                    Block rightBlock = channel.get(rightBlockIndex);
                    for (int rightBlockPosition = 0; rightBlockPosition < rightBlock.getPositionCount(); rightBlockPosition++) {
                        assertEquals(
                                hashStrategy.positionEqualsPosition(leftBlockIndex, leftBlockPosition, rightBlockIndex, rightBlockPosition),
                                positionEqualsPosition(VARCHAR, leftBlock, leftBlockPosition, rightBlock, rightBlockPosition));
                    }
                }

                // check equality of every position against every other position in the block cursor
                for (Block rightBlock : channel) {
                    for (int position = 0; position < rightBlock.getPositionCount(); position++) {
                        assertEquals(
                                hashStrategy.positionEqualsRow(leftBlockIndex, leftBlockPosition, position, rightBlock),
                                positionEqualsPosition(VARCHAR, leftBlock, leftBlockPosition, rightBlock, position));
                    }
                }
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                // position must be equal to itself
                assertTrue(hashStrategy.positionEqualsPosition(leftBlockIndex, leftBlockPosition, leftBlockIndex, leftBlockPosition));

                // check equality of every position against every other position in the block
                for (int rightBlockIndex = 0; rightBlockIndex < varcharChannel.size(); rightBlockIndex++) {
                    Block rightBlock = varcharChannel.get(rightBlockIndex);
                    for (int rightBlockPosition = 0; rightBlockPosition < rightBlock.getPositionCount(); rightBlockPosition++) {
                        assertEquals(
                                hashStrategy.positionEqualsPosition(leftBlockIndex, leftBlockPosition, rightBlockIndex, rightBlockPosition),
                                expectedHashStrategy.positionEqualsPosition(leftBlockIndex, leftBlockPosition, rightBlockIndex, rightBlockPosition));
                    }
                }
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            }
            catch (UnsupportedOperationException expected) {
            }
        }

        Block expectedBlock = createBlock(type, expectedStackValue);
        if (type.isComparable()) {
            assertTrue(type.equalTo(block, position, block, position));
            assertTrue(type.equalTo(block, position, expectedBlock, 0));
            assertTrue(type.equalTo(expectedBlock, 0, block, position));
        }

        assertEquals(block.isNull(position), expectedStackValue == null);

        if (type.isOrderable()) {
            assertTrue(ASC_NULLS_FIRST.compareBlockValue(type, block, position, expectedBlock, 0) == 0);
            assertTrue(ASC_NULLS_LAST.compareBlockValue(type, block, position, expectedBlock, 0) == 0);
            assertTrue(DESC_NULLS_FIRST.compareBlockValue(type, block, position, expectedBlock, 0) == 0);
            assertTrue(DESC_NULLS_LAST.compareBlockValue(type, block, position, expectedBlock, 0) == 0);
        }
        else {
            try {
                type.compareTo(block, position, expectedBlock, 0);
                fail("Expected UnsupportedOperationException");
            }
            catch (UnsupportedOperationException expected) {
            }
        }

        verifyInvalidPositionHandling(block);

        if (block.isNull(position)) {
            if (type.isOrderable()) {
                Block nonNullValue = toBlock(getNonNullValue());
                assertTrue(ASC_NULLS_FIRST.compareBlockValue(type, block, position, nonNullValue, 0) < 0);
                assertTrue(ASC_NULLS_LAST.compareBlockValue(type, block, position, nonNullValue, 0) > 0);
                assertTrue(DESC_NULLS_FIRST.compareBlockValue(type, block, position, nonNullValue, 0) < 0);
                assertTrue(DESC_NULLS_LAST.compareBlockValue(type, block, position, nonNullValue, 0) > 0);
            }
            return;
        }

        if (type.isOrderable() && expectedStackValue != Boolean.TRUE) {
            Block greaterValue = toBlock(getGreaterValue(expectedStackValue));
            assertTrue(ASC_NULLS_FIRST.compareBlockValue(type, block, position, greaterValue, 0) < 0);
            assertTrue(ASC_NULLS_LAST.compareBlockValue(type, block, position, greaterValue, 0) < 0);
            assertTrue(DESC_NULLS_FIRST.compareBlockValue(type, block, position, greaterValue, 0) > 0);
            assertTrue(DESC_NULLS_LAST.compareBlockValue(type, block, position, greaterValue, 0) > 0);
        }
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        }
        catch (RuntimeException expected) {
        }

        if (type.isComparable()) {
            Block other = toBlock(getNonNullValue());
            try {
                type.equalTo(block, -1, other, 0);
                fail("expected RuntimeException");
            }
            catch (RuntimeException expected) {
            }
            try {
                type.equalTo(block, block.getPositionCount(), other, 0);
                fail("expected RuntimeException");
            }
            catch (RuntimeException expected) {
            }
        }

        if (type.isOrderable()) {
            Block other = toBlock(getNonNullValue());
            try {
                ASC_NULLS_FIRST.compareBlockValue(type, block, -1, other, 0);
                fail("expected RuntimeException");
            }
            catch (RuntimeException expected) {
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        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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                .row(0.1, 3)
                .row(0.19, 3)
                .build();

        List<Page> pages = toPages(operator, input);
        Block rowNumberColumn = getRowNumberColumn(pages);
        assertEquals(rowNumberColumn.getPositionCount(), 8);
        // Check that all row numbers generated are <= 3
        for (int i = 0; i < rowNumberColumn.getPositionCount(); i++) {
            assertTrue(rowNumberColumn.getLong(i, 0) <= 3);
        }

        pages = stripRowNumberColumn(pages);
        MaterializedResult actual = toMaterializedResult(operator.getOperatorContext().getSession(), ImmutableList.<Type>of(DOUBLE, BIGINT), pages);
        assertEquals(actual.getTypes(), expectedPartition1.getTypes());
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        List<Type> parameterTypes = getFunction().getParameterTypes();
        if (parameterTypes.isEmpty()) {
            return;
        }

        Block nullValueBlock = parameterTypes.get(0).createBlockBuilder(new BlockBuilderStatus())
                .appendNull()
                .build();

        Block block = new RunLengthEncodedBlock(nullValueBlock, 10);
        testAggregation(getExpectedValueIncludingNulls(0, 0, 10), block);
    }
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        List<Type> parameterTypes = getFunction().getParameterTypes();
        if (parameterTypes.isEmpty()) {
            return;
        }

        Block alternatingNullsBlock = createAlternatingNullsBlock(parameterTypes.get(0), getSequenceBlock(0, 10));
        testAggregation(getExpectedValueIncludingNulls(0, 10, 20), alternatingNullsBlock);
    }
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  • com.facebook.presto.block.AbstractTestBlock
  • com.facebook.presto.block.BlockAssertions
  • com.facebook.presto.block.BlockAssertions$BlockIterableBuilder
  • com.facebook.presto.block.dictionary.DictionaryBlockEncoding
  • com.facebook.presto.block.dictionary.DictionaryBlockEncoding$DictionaryBlockEncodingFactory
  • com.facebook.presto.block.dictionary.TestDictionaryEncodedBlock
  • com.facebook.presto.block.dictionary.TestDictionaryEncodedBlockCursor
  • com.facebook.presto.block.dictionary.TestDictionaryEncodedBlockCursorWithNulls
  • com.facebook.presto.block.dictionary.TestDictionaryEncodedBlockWithNulls
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