List of appendSlice() Examples

Examples of appendSlice()

com.facebook.presto.spi.block.BlockBuilder.appendSlice()
Appends a Slice value to the block.

Examples of com.facebook.presto.spi.block.BlockBuilder.appendSlice()

        page = new Page(builder.appendSlice(Slices.utf8Slice("alice")).build());
        int firstValueSize = serializedSize(page) - pageSize;
        assertEquals(firstValueSize, 5 + 5); // "alice" + value overhead


        // page with two values
        page = new Page(builder.appendSlice(Slices.utf8Slice("bob")).build());
        int secondValueSize = serializedSize(page) - (pageSize + firstValueSize);
        assertEquals(secondValueSize, 3 + 5); // "bob" + value overhead
    }


    private static int serializedSize(Page expectedPage)

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Examples of com.facebook.presto.spi.block.BlockBuilder.appendSlice()

            }


            model.train(dataset);


            BlockBuilder builder = getFinalType().createBlockBuilder(new BlockBuilderStatus());
            builder.appendSlice(ModelUtils.serialize(model));


            return builder.build();
        }
    }
}

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Examples of com.facebook.presto.spi.block.BlockBuilder.appendSlice()

            }


            model.train(dataset);


            BlockBuilder builder = getFinalType().createBlockBuilder(new BlockBuilderStatus());
            builder.appendSlice(ModelUtils.serialize(model));


            return builder.build();
        }
    }
}

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Examples of com.facebook.presto.spi.block.BlockBuilder.appendSlice()


        @Override
        public Block evaluateIntermediate()
        {
            BlockBuilder builder = getIntermediateType().createBlockBuilder(new BlockBuilderStatus());
            return builder.appendSlice(createIntermediate(truePositives, falsePositives, trueNegatives, falseNegatives)).build();
        }


        @Override
        public Block evaluateFinal()
        {

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Examples of com.facebook.presto.spi.block.BlockBuilder.appendSlice()

            sb.append(String.format("Accuracy: %d/%d (%.2f%%)\n", correct, total, 100.0 * correct / (double) total));
            sb.append(String.format("Precision: %d/%d (%.2f%%)\n", truePositives, truePositives + falsePositives, 100.0 * truePositives / (double) (truePositives + falsePositives)));
            sb.append(String.format("Recall: %d/%d (%.2f%%)", truePositives, truePositives + falseNegatives, 100.0 * truePositives / (double) (truePositives + falseNegatives)));


            BlockBuilder builder = getFinalType().createBlockBuilder(new BlockBuilderStatus());
            builder.appendSlice(Slices.utf8Slice(sb.toString()));
            return builder.build();
        }
    }


    @Override

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Examples of com.facebook.presto.spi.block.BlockBuilder.appendSlice()

            }


            model.train(dataset);


            BlockBuilder builder = getFinalType().createBlockBuilder(new BlockBuilderStatus());
            builder.appendSlice(ModelUtils.serialize(model));


            return builder.build();
        }
    }
}

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Examples of com.facebook.presto.spi.block.BlockBuilder.appendSlice()

        Page page = new Page(builder.build());
        int pageSize = serializedSize(page);
        assertEquals(pageSize, 27); // page overhead


        // page with one value
        page = new Page(builder.appendSlice(Slices.utf8Slice("alice")).build());
        int firstValueSize = serializedSize(page) - pageSize;
        assertEquals(firstValueSize, 5 + 5); // "alice" + value overhead


        // page with two values
        page = new Page(builder.appendSlice(Slices.utf8Slice("bob")).build());

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Examples of com.facebook.presto.spi.block.BlockBuilder.appendSlice()

        page = new Page(builder.appendSlice(Slices.utf8Slice("alice")).build());
        int firstValueSize = serializedSize(page) - pageSize;
        assertEquals(firstValueSize, 5 + 5); // "alice" + value overhead


        // page with two values
        page = new Page(builder.appendSlice(Slices.utf8Slice("bob")).build());
        int secondValueSize = serializedSize(page) - (pageSize + firstValueSize);
        assertEquals(secondValueSize, 3 + 5); // "bob" + value overhead
    }


    private static int serializedSize(Page expectedPage)

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Examples of com.facebook.presto.spi.block.BlockBuilder.appendSlice()

    }


    public void testHashBuilderResize()
    {
        BlockBuilder builder = VARCHAR.createBlockBuilder(new BlockBuilderStatus());
        builder.appendSlice(Slices.allocate(200_000)); // this must be larger than DEFAULT_MAX_BLOCK_SIZE, 64K
        builder.build();


        List<Page> input = rowPagesBuilder(VARCHAR)
                .addSequencePage(10, 100)
                .addBlocksPage(builder.build())

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Examples of com.facebook.presto.spi.block.BlockBuilder.appendSlice()


    @Test(expectedExceptions = PrestoException.class, expectedExceptionsMessageRegExp = "Task exceeded max memory size of 3MB")
    public void testHashBuilderResizeLimit()
    {
        BlockBuilder builder = VARCHAR.createBlockBuilder(new BlockBuilderStatus());
        builder.appendSlice(Slices.allocate(5_000_000)); // this must be larger than DEFAULT_MAX_BLOCK_SIZE, 64K
        builder.build();


        List<Page> input = rowPagesBuilder(VARCHAR)
                .addSequencePage(10, 100)
                .addBlocksPage(builder.build())

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