Package com.facebook.presto.operator

Examples of com.facebook.presto.operator.SimplePagesHashStrategy

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        PagesHashStrategy hashStrategy = pagesHashStrategyFactory.createPagesHashStrategy(channels);

        // verify channel count
        assertEquals(hashStrategy.getChannelCount(), 5);

        PagesHashStrategy expectedHashStrategy = new SimplePagesHashStrategy(types, channels, Ints.asList(1, 2, 3, 4));

        // verify hashStrategy is consistent with equals and hash code from block
        for (int leftBlockIndex = 0; leftBlockIndex < varcharChannel.size(); leftBlockIndex++) {
            PageBuilder pageBuilder = new PageBuilder(types);

            int leftPositionCount = varcharChannel.get(leftBlockIndex).getPositionCount();
            for (int leftBlockPosition = 0; leftBlockPosition < leftPositionCount; leftBlockPosition++) {
                // hash code of position must match block hash
                assertEquals(
                        hashStrategy.hashPosition(leftBlockIndex, leftBlockPosition),
                        expectedHashStrategy.hashPosition(leftBlockIndex, 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 < 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));
                    }
                }

                // check equality of every position against every other position in the block cursor
                for (int rightBlockIndex = 0; rightBlockIndex < varcharChannel.size(); rightBlockIndex++) {
                    Block[] rightBlocks = new Block[4];
                    rightBlocks[0] = varcharChannel.get(rightBlockIndex);
                    rightBlocks[1] = longChannel.get(rightBlockIndex);
                    rightBlocks[2] = doubleChannel.get(rightBlockIndex);
                    rightBlocks[3] = booleanChannel.get(rightBlockIndex);

                    int rightPositionCount = varcharChannel.get(rightBlockIndex).getPositionCount();
                    for (int rightPosition = 0; rightPosition < rightPositionCount; rightPosition++) {
                        assertEquals(
                                hashStrategy.positionEqualsRow(leftBlockIndex, leftBlockPosition, rightPosition, rightBlocks),
                                expectedHashStrategy.positionEqualsRow(leftBlockIndex, leftBlockPosition, rightPosition, rightBlocks));
                    }
                }

                // write position to output block
                hashStrategy.appendTo(leftBlockIndex, leftBlockPosition, pageBuilder, 0);
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        PagesHashStrategy hashStrategy = pagesHashStrategyFactory.createPagesHashStrategy(channels);

        // verify channel count
        assertEquals(hashStrategy.getChannelCount(), 5);

        PagesHashStrategy expectedHashStrategy = new SimplePagesHashStrategy(types, channels, Ints.asList(1, 2, 3, 4));

        // verify hashStrategy is consistent with equals and hash code from block
        for (int leftBlockIndex = 0; leftBlockIndex < varcharChannel.size(); leftBlockIndex++) {
            PageBuilder pageBuilder = new PageBuilder(types);

            int leftPositionCount = varcharChannel.get(leftBlockIndex).getPositionCount();
            for (int leftBlockPosition = 0; leftBlockPosition < leftPositionCount; leftBlockPosition++) {
                // hash code of position must match block hash
                assertEquals(
                        hashStrategy.hashPosition(leftBlockIndex, leftBlockPosition),
                        expectedHashStrategy.hashPosition(leftBlockIndex, 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 < 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));
                    }
                }

                // check equality of every position against every other position in the block cursor
                for (int rightBlockIndex = 0; rightBlockIndex < varcharChannel.size(); rightBlockIndex++) {
                    Block[] rightBlocks = new Block[4];
                    rightBlocks[0] = varcharChannel.get(rightBlockIndex);
                    rightBlocks[1] = longChannel.get(rightBlockIndex);
                    rightBlocks[2] = doubleChannel.get(rightBlockIndex);
                    rightBlocks[3] = booleanChannel.get(rightBlockIndex);

                    int rightPositionCount = varcharChannel.get(rightBlockIndex).getPositionCount();
                    for (int rightPosition = 0; rightPosition < rightPositionCount; rightPosition++) {
                        assertEquals(
                                hashStrategy.positionEqualsRow(leftBlockIndex, leftBlockPosition, rightPosition, rightBlocks),
                                expectedHashStrategy.positionEqualsRow(leftBlockIndex, leftBlockPosition, rightPosition, rightBlocks));
                    }
                }

                // write position to output block
                hashStrategy.appendTo(leftBlockIndex, leftBlockPosition, pageBuilder, 0);
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        PagesHashStrategy hashStrategy = pagesHashStrategyFactory.createPagesHashStrategy(channels);

        // verify channel count
        assertEquals(hashStrategy.getChannelCount(), 5);

        PagesHashStrategy expectedHashStrategy = new SimplePagesHashStrategy(channels, Ints.asList(1, 2, 3, 4));

        // verify hashStrategy is consistent with equals and hash code from block
        for (int leftBlockIndex = 0; leftBlockIndex < varcharChannel.size(); leftBlockIndex++) {
            PageBuilder pageBuilder = new PageBuilder(ImmutableList.of(VARCHAR, VARCHAR, BIGINT, DOUBLE, BOOLEAN));

            int leftPositionCount = varcharChannel.get(leftBlockIndex).getPositionCount();
            for (int leftBlockPosition = 0; leftBlockPosition < leftPositionCount; leftBlockPosition++) {
                // hash code of position must match block hash
                assertEquals(
                        hashStrategy.hashPosition(leftBlockIndex, leftBlockPosition),
                        expectedHashStrategy.hashPosition(leftBlockIndex, 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 < varcharChannel.size(); rightBlockIndex++) {
                    RandomAccessBlock 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));
                    }
                }

                // check equality of every position against every other position in the block cursor
                for (int rightBlockIndex = 0; rightBlockIndex < varcharChannel.size(); rightBlockIndex++) {
                    BlockCursor[] rightCursors = new BlockCursor[4];
                    rightCursors[0] = varcharChannel.get(rightBlockIndex).cursor();
                    rightCursors[1] = longChannel.get(rightBlockIndex).cursor();
                    rightCursors[2] = doubleChannel.get(rightBlockIndex).cursor();
                    rightCursors[3] = booleanChannel.get(rightBlockIndex).cursor();

                    int rightPositionCount = varcharChannel.get(rightBlockIndex).getPositionCount();
                    for (int rightPosition = 0; rightPosition < rightPositionCount; rightPosition++) {
                        for (BlockCursor rightCursor : rightCursors) {
                            assertTrue(rightCursor.advanceNextPosition());
                        }

                        assertEquals(
                                hashStrategy.positionEqualsCursors(leftBlockIndex, leftBlockPosition, rightCursors),
                                expectedHashStrategy.positionEqualsCursors(leftBlockIndex, leftBlockPosition, rightCursors));
                    }
                }

                // write position to output block
                hashStrategy.appendTo(leftBlockIndex, leftBlockPosition, pageBuilder, 0);
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        PagesHashStrategy hashStrategy = pagesHashStrategyFactory.createPagesHashStrategy(channels);

        // verify channel count
        assertEquals(hashStrategy.getChannelCount(), 5);

        PagesHashStrategy expectedHashStrategy = new SimplePagesHashStrategy(types, channels, Ints.asList(1, 2, 3, 4));

        // verify hashStrategy is consistent with equals and hash code from block
        for (int leftBlockIndex = 0; leftBlockIndex < varcharChannel.size(); leftBlockIndex++) {
            PageBuilder pageBuilder = new PageBuilder(types);

            int leftPositionCount = varcharChannel.get(leftBlockIndex).getPositionCount();
            for (int leftBlockPosition = 0; leftBlockPosition < leftPositionCount; leftBlockPosition++) {
                // hash code of position must match block hash
                assertEquals(
                        hashStrategy.hashPosition(leftBlockIndex, leftBlockPosition),
                        expectedHashStrategy.hashPosition(leftBlockIndex, 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 < 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));
                    }
                }

                // check equality of every position against every other position in the block cursor
                for (int rightBlockIndex = 0; rightBlockIndex < varcharChannel.size(); rightBlockIndex++) {
                    Block[] rightBlocks = new Block[4];
                    rightBlocks[0] = varcharChannel.get(rightBlockIndex);
                    rightBlocks[1] = longChannel.get(rightBlockIndex);
                    rightBlocks[2] = doubleChannel.get(rightBlockIndex);
                    rightBlocks[3] = booleanChannel.get(rightBlockIndex);

                    int rightPositionCount = varcharChannel.get(rightBlockIndex).getPositionCount();
                    for (int rightPosition = 0; rightPosition < rightPositionCount; rightPosition++) {
                        assertEquals(
                                hashStrategy.positionEqualsRow(leftBlockIndex, leftBlockPosition, rightPosition, rightBlocks),
                                expectedHashStrategy.positionEqualsRow(leftBlockIndex, leftBlockPosition, rightPosition, rightBlocks));
                    }
                }

                // write position to output block
                hashStrategy.appendTo(leftBlockIndex, leftBlockPosition, pageBuilder, 0);
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        PagesHashStrategy hashStrategy = pagesHashStrategyFactory.createPagesHashStrategy(channels);

        // verify channel count
        assertEquals(hashStrategy.getChannelCount(), 5);

        PagesHashStrategy expectedHashStrategy = new SimplePagesHashStrategy(channels, Ints.asList(1, 2, 3, 4));

        // verify hashStrategy is consistent with equals and hash code from block
        for (int leftBlockIndex = 0; leftBlockIndex < varcharChannel.size(); leftBlockIndex++) {
            PageBuilder pageBuilder = new PageBuilder(ImmutableList.of(VARCHAR, VARCHAR, BIGINT, DOUBLE, BOOLEAN));

            int leftPositionCount = varcharChannel.get(leftBlockIndex).getPositionCount();
            for (int leftBlockPosition = 0; leftBlockPosition < leftPositionCount; leftBlockPosition++) {
                // hash code of position must match block hash
                assertEquals(
                        hashStrategy.hashPosition(leftBlockIndex, leftBlockPosition),
                        expectedHashStrategy.hashPosition(leftBlockIndex, 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 < 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));
                    }
                }

                // check equality of every position against every other position in the block cursor
                for (int rightBlockIndex = 0; rightBlockIndex < varcharChannel.size(); rightBlockIndex++) {
                    Block[] rightBlocks = new Block[4];
                    rightBlocks[0] = varcharChannel.get(rightBlockIndex);
                    rightBlocks[1] = longChannel.get(rightBlockIndex);
                    rightBlocks[2] = doubleChannel.get(rightBlockIndex);
                    rightBlocks[3] = booleanChannel.get(rightBlockIndex);

                    int rightPositionCount = varcharChannel.get(rightBlockIndex).getPositionCount();
                    for (int rightPosition = 0; rightPosition < rightPositionCount; rightPosition++) {
                        assertEquals(
                                hashStrategy.positionEqualsRow(leftBlockIndex, leftBlockPosition, rightPosition, rightBlocks),
                                expectedHashStrategy.positionEqualsRow(leftBlockIndex, leftBlockPosition, rightPosition, rightBlocks));
                    }
                }

                // write position to output block
                hashStrategy.appendTo(leftBlockIndex, leftBlockPosition, pageBuilder, 0);
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        PagesHashStrategy hashStrategy = pagesHashStrategyFactory.createPagesHashStrategy(channels);

        // verify channel count
        assertEquals(hashStrategy.getChannelCount(), 5);

        PagesHashStrategy expectedHashStrategy = new SimplePagesHashStrategy(channels, Ints.asList(1, 2, 3, 4));

        // verify hashStrategy is consistent with equals and hash code from block
        for (int leftBlockIndex = 0; leftBlockIndex < varcharChannel.size(); leftBlockIndex++) {
            PageBuilder pageBuilder = new PageBuilder(ImmutableList.of(VARCHAR, VARCHAR, BIGINT, DOUBLE, BOOLEAN));

            int leftPositionCount = varcharChannel.get(leftBlockIndex).getPositionCount();
            for (int leftBlockPosition = 0; leftBlockPosition < leftPositionCount; leftBlockPosition++) {
                // hash code of position must match block hash
                assertEquals(
                        hashStrategy.hashPosition(leftBlockIndex, leftBlockPosition),
                        expectedHashStrategy.hashPosition(leftBlockIndex, 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 < 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));
                    }
                }

                // check equality of every position against every other position in the block cursor
                for (int rightBlockIndex = 0; rightBlockIndex < varcharChannel.size(); rightBlockIndex++) {
                    BlockCursor[] rightCursors = new BlockCursor[4];
                    rightCursors[0] = varcharChannel.get(rightBlockIndex).cursor();
                    rightCursors[1] = longChannel.get(rightBlockIndex).cursor();
                    rightCursors[2] = doubleChannel.get(rightBlockIndex).cursor();
                    rightCursors[3] = booleanChannel.get(rightBlockIndex).cursor();

                    int rightPositionCount = varcharChannel.get(rightBlockIndex).getPositionCount();
                    for (int rightPosition = 0; rightPosition < rightPositionCount; rightPosition++) {
                        for (BlockCursor rightCursor : rightCursors) {
                            assertTrue(rightCursor.advanceNextPosition());
                        }

                        assertEquals(
                                hashStrategy.positionEqualsCursors(leftBlockIndex, leftBlockPosition, rightCursors),
                                expectedHashStrategy.positionEqualsCursors(leftBlockIndex, leftBlockPosition, rightCursors));
                    }
                }

                // write position to output block
                hashStrategy.appendTo(leftBlockIndex, leftBlockPosition, pageBuilder, 0);
View Full Code Here
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Related Classes of com.facebook.presto.operator.SimplePagesHashStrategy

  • com.facebook.presto.spi.block.Block
  • com.facebook.presto.spi.block.RandomAccessBlock
  • com.facebook.presto.spi.type.Type
  • com.facebook.presto.sql.gen.TestJoinCompiler
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