Package com.facebook.presto.block

Examples of com.facebook.presto.block.Block.cursor()

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        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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        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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        BlockCursor cursor = first.cursor();
        while (cursor.advanceNextPosition()) {
            aggregator.addValue(cursor);
        }

        cursor = second.cursor();
        while (cursor.advanceNextPosition()) {
            aggregator.addValue(cursor);
        }

        return (long) BlockAssertions.toValues(aggregator.getResult()).get(0).get(0);
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        Block block = output.getBlock(0);
        assertEquals(block.getPositionCount(), 1);
        assertEquals(block.getTupleInfo().getFieldCount(), 1);

        BlockCursor cursor = block.cursor();
        assertTrue(cursor.advanceNextPosition());
        if (cursor.isNull(0)) {
            return null;
        }
        else {
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        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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        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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        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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