Examples of com.facebook.presto.tuple.TupleInfo$Builder

com.facebook.presto.tuple.TupleInfo
Tuple layout is:
```
 is_null_0_to_7 is_null_8_to_15 ... fixed_0 fixed_1 ... fixed_N var_off_1 var_off_2 ... var_off_N size var_0 var_1 ... var_N 
```
Note: the null flag for each field is independent of the value of the field. Specifically this api will allow you to read and write the value of fields with the null flag set.

        this.operatorContext = checkNotNull(operatorContext, "operatorContext is null");
        this.cursor = checkNotNull(cursor, "cursor is null");


        ImmutableList.Builder<TupleInfo> tupleInfos = ImmutableList.builder();
        for (ColumnType columnType : columnTypes) {
            tupleInfos.add(new TupleInfo(Type.fromColumnType(columnType)));
        }
        this.tupleInfos = tupleInfos.build();


        pageBuilder = new PageBuilder(this.tupleInfos);
    }

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        List<TupleInfo> tupleInfos = new ArrayList<>();
        int projectionIndex = 0;
        for (int i = 0; i < projections.size(); i++) {
            Type outputType = outputTypes.get(i);
            checkArgument(outputType != Type.NULL, "NULL output type is not supported");
            tupleInfos.add(new TupleInfo(outputType.getRawType()));


            // verify the compiled projection has the correct type
            Expression projection = projections.get(i);


            Class<?> type = generateProjectMethod(classDefinition, "project_" + projectionIndex, projection, inputTypes, true);

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        List<TupleInfo> tupleInfos = new ArrayList<>();
        int projectionIndex = 0;
        for (int i = 0; i < projections.size(); i++) {
            Type outputType = outputTypes.get(i);
            checkArgument(outputType != Type.NULL, "NULL output type is not supported");
            tupleInfos.add(new TupleInfo(outputType.getRawType()));


            // verify the compiled projection has the correct type
            Expression projection = projections.get(i);


            Class<?> type = generateProjectMethod(classDefinition, "project_" + projectionIndex, projection, inputTypes, true);

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        public UncompressedBlock build()
        {
            checkState(!positionOffsets.isEmpty(), "Cannot build an empty block");


            return new UncompressedBlock(positionOffsets.size(), new TupleInfo(type), sliceOutput.slice());
        }

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            for (Symbol symbol : node.getOutputSymbols()) {
                Input input = new Input(channel);
                outputMappings.put(symbol, input);


                Type type = checkNotNull(context.getTypes().get(symbol), "No type for symbol %s", symbol);
                outputTypes.add(new TupleInfo(type.getRawType()));


                channel++;
            }


            PageBuilder pageBuilder = new PageBuilder(outputTypes);

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                    .transform(new Function<TupleInfo.Type, TupleInfo>()
                    {
                        @Override
                        public TupleInfo apply(TupleInfo.Type input)
                        {
                            return new TupleInfo(input);
                        }
                    })
                    .list());
        }

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                .transform(new Function<TupleInfo.Type, TupleInfo>()
                {
                    @Override
                    public TupleInfo apply(TupleInfo.Type input)
                    {
                        return new TupleInfo(input);
                    }
                })
                .list();


        ImmutableList.Builder<PlanNode> sources = ImmutableList.builder();

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    private static List<TupleInfo> toTupleInfos(List<ColumnType> columnTypes)
    {
        ImmutableList.Builder<TupleInfo> tupleInfos = ImmutableList.builder();
        for (ColumnType columnType : columnTypes) {
            tupleInfos.add(new TupleInfo(fromColumnType(columnType)));
        }
        return tupleInfos.build();
    }

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    {
    }


    public static BlockIterable createBlockIterable(Block firstBlock, Block... otherBlocks)
    {
        TupleInfo tupleInfo = firstBlock.getTupleInfo();
        return new StaticBlockIterable(tupleInfo, ImmutableList.<Block>builder().add(firstBlock).add(otherBlocks).build());
    }

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        return new StaticBlockIterable(tupleInfo, ImmutableList.<Block>builder().add(firstBlock).add(otherBlocks).build());
    }


    public static BlockIterable createBlockIterable(Iterable<? extends Block> blocks)
    {
        TupleInfo tupleInfo = Iterables.get(blocks, 0).getTupleInfo();
        return new StaticBlockIterable(tupleInfo, ImmutableList.copyOf(blocks));
    }

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