duckdb::ArrowFixedSizeListData Struct Reference

Static Public Member Functions
static void	Initialize (ArrowAppendData &result, const LogicalType &type, idx_t capacity)
static void	Append (ArrowAppendData &append_data, Vector &input, idx_t from, idx_t to, idx_t input_size)
static void	Finalize (ArrowAppendData &append_data, const LogicalType &type, ArrowArray *result)

Member Function Documentation

Initialize()

void duckdb::ArrowFixedSizeListData::Initialize ( ArrowAppendData &  result, const LogicalType &  type, idx_t  capacity  )

static

                                                                                                        {
    auto &child_type = ArrayType::GetChildType(type);
    auto array_size = ArrayType::GetSize(type);
    auto child_buffer = ArrowAppender::InitializeChild(child_type, capacity * array_size, result.options);
    result.child_data.push_back(std::move(child_buffer));
}

Append()

void duckdb::ArrowFixedSizeListData::Append ( ArrowAppendData &  append_data, Vector &  input, idx_t  from, idx_t  to, idx_t  input_size  )

static

                                                      {
    UnifiedVectorFormat format;
    input.ToUnifiedFormat(input_size, format);
    idx_t size = to - from;
    append_data.AppendValidity(format, from, to);
    input.Flatten(input_size);
    auto array_size = ArrayType::GetSize(input.GetType());
    auto &child_vector = ArrayVector::GetEntry(input);
    auto &child_data = *append_data.child_data[0];
    child_data.append_vector(child_data, child_vector, from * array_size, to * array_size, size * array_size);
    append_data.row_count += size;
}

Finalize()

void duckdb::ArrowFixedSizeListData::Finalize ( ArrowAppendData &  append_data, const LogicalType &  type, ArrowArray *  result  )

static

                                                                                                               {
    result->n_buffers = 1;
    auto &child_type = ArrayType::GetChildType(type);
    ArrowAppender::AddChildren(append_data, 1);
    result->children = append_data.child_pointers.data();
    result->n_children = 1;
    append_data.child_arrays[0] = *ArrowAppender::FinalizeChild(child_type, std::move(append_data.child_data[0]));
}

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The documentation for this struct was generated from the following file:

• external/duckdb/duckdb.cpp