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516 lines (420 loc) · 14.5 KB
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// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
#include "./arrow_types.h"
#include <arrow/type.h>
namespace cpp11 {
const char* r6_class_name<arrow::DataType>::get(
const std::shared_ptr<arrow::DataType>& type) {
using arrow::Type;
switch (type->id()) {
case Type::NA:
return "Null";
case Type::BOOL:
return "Boolean";
case Type::UINT8:
return "UInt8";
case Type::UINT16:
return "UInt16";
case Type::UINT32:
return "UInt32";
case Type::UINT64:
return "UInt64";
case Type::INT8:
return "Int8";
case Type::INT16:
return "Int16";
case Type::INT32:
return "Int32";
case Type::INT64:
return "Int64";
case Type::HALF_FLOAT:
return "Float16";
case Type::FLOAT:
return "Float32";
case Type::DOUBLE:
return "Float64";
case Type::STRING:
return "Utf8";
case Type::LARGE_STRING:
return "LargeUtf8";
case Type::BINARY:
return "Binary";
case Type::FIXED_SIZE_BINARY:
return "FixedSizeBinary";
case Type::LARGE_BINARY:
return "LargeBinary";
case Type::DATE32:
return "Date32";
case Type::DATE64:
return "Date64";
case Type::TIMESTAMP:
return "Timestamp";
case Type::TIME32:
return "Time32";
case Type::TIME64:
return "Time64";
case Type::DURATION:
return "DurationType";
case Type::DECIMAL128:
return "Decimal128Type";
case Type::DECIMAL256:
return "Decimal256Type";
case Type::LIST:
return "ListType";
case Type::LARGE_LIST:
return "LargeListType";
case Type::FIXED_SIZE_LIST:
return "FixedSizeListType";
case Type::MAP:
return "MapType";
case Type::STRUCT:
return "StructType";
case Type::DICTIONARY:
return "DictionaryType";
case Type::EXTENSION:
return "ExtensionType";
default:
break;
}
// No R6 classes are defined for:
// INTERVAL
// SPARSE_UNION
// DENSE_UNION
// MAP
// EXTENSION
// DURATION
//
// If a c++ function returns one it will be wrapped as a DataType.
return "DataType";
}
} // namespace cpp11
// [[arrow::export]]
std::shared_ptr<arrow::DataType> Int8__initialize() { return arrow::int8(); }
// [[arrow::export]]
std::shared_ptr<arrow::DataType> Int16__initialize() { return arrow::int16(); }
// [[arrow::export]]
std::shared_ptr<arrow::DataType> Int32__initialize() { return arrow::int32(); }
// [[arrow::export]]
std::shared_ptr<arrow::DataType> Int64__initialize() { return arrow::int64(); }
// [[arrow::export]]
std::shared_ptr<arrow::DataType> UInt8__initialize() { return arrow::uint8(); }
// [[arrow::export]]
std::shared_ptr<arrow::DataType> UInt16__initialize() { return arrow::uint16(); }
// [[arrow::export]]
std::shared_ptr<arrow::DataType> UInt32__initialize() { return arrow::uint32(); }
// [[arrow::export]]
std::shared_ptr<arrow::DataType> UInt64__initialize() { return arrow::uint64(); }
// [[arrow::export]]
std::shared_ptr<arrow::DataType> Float16__initialize() { return arrow::float16(); }
// [[arrow::export]]
std::shared_ptr<arrow::DataType> Float32__initialize() { return arrow::float32(); }
// [[arrow::export]]
std::shared_ptr<arrow::DataType> Float64__initialize() { return arrow::float64(); }
// [[arrow::export]]
std::shared_ptr<arrow::DataType> Boolean__initialize() { return arrow::boolean(); }
// [[arrow::export]]
std::shared_ptr<arrow::DataType> Utf8__initialize() { return arrow::utf8(); }
// [[arrow::export]]
std::shared_ptr<arrow::DataType> LargeUtf8__initialize() { return arrow::large_utf8(); }
// [[arrow::export]]
std::shared_ptr<arrow::DataType> Binary__initialize() { return arrow::binary(); }
// [[arrow::export]]
std::shared_ptr<arrow::DataType> LargeBinary__initialize() {
return arrow::large_binary();
}
// [[arrow::export]]
std::shared_ptr<arrow::DataType> Date32__initialize() { return arrow::date32(); }
// [[arrow::export]]
std::shared_ptr<arrow::DataType> Date64__initialize() { return arrow::date64(); }
// [[arrow::export]]
std::shared_ptr<arrow::DataType> Null__initialize() { return arrow::null(); }
// [[arrow::export]]
std::shared_ptr<arrow::DataType> Decimal128Type__initialize(int32_t precision,
int32_t scale) {
// Use the builder that validates inputs
return ValueOrStop(arrow::Decimal128Type::Make(precision, scale));
}
// [[arrow::export]]
std::shared_ptr<arrow::DataType> Decimal256Type__initialize(int32_t precision,
int32_t scale) {
// Use the builder that validates inputs
return ValueOrStop(arrow::Decimal256Type::Make(precision, scale));
}
// [[arrow::export]]
std::shared_ptr<arrow::DataType> DayTimeInterval__initialize() {
return arrow::day_time_interval();
}
// [[arrow::export]]
std::shared_ptr<arrow::DataType> FixedSizeBinary__initialize(R_xlen_t byte_width) {
if (byte_width == NA_INTEGER) {
cpp11::stop("'byte_width' cannot be NA");
}
if (byte_width < 1) {
cpp11::stop("'byte_width' must be > 0");
}
return arrow::fixed_size_binary(byte_width);
}
// [[arrow::export]]
int FixedSizeBinary__byte_width(const std::shared_ptr<arrow::FixedSizeBinaryType>& type) {
return type->byte_width();
}
// [[arrow::export]]
std::shared_ptr<arrow::DataType> Timestamp__initialize(arrow::TimeUnit::type unit,
const std::string& timezone) {
return arrow::timestamp(unit, timezone);
}
// [[arrow::export]]
std::shared_ptr<arrow::DataType> Time32__initialize(arrow::TimeUnit::type unit) {
return arrow::time32(unit);
}
// [[arrow::export]]
std::shared_ptr<arrow::DataType> Time64__initialize(arrow::TimeUnit::type unit) {
return arrow::time64(unit);
}
// [[arrow::export]]
std::shared_ptr<arrow::DataType> Duration__initialize(arrow::TimeUnit::type unit) {
return arrow::duration(unit);
}
// [[arrow::export]]
std::shared_ptr<arrow::DataType> list__(SEXP x) {
if (Rf_inherits(x, "Field")) {
auto field = cpp11::as_cpp<std::shared_ptr<arrow::Field>>(x);
return arrow::list(field);
}
if (!Rf_inherits(x, "DataType")) {
cpp11::stop("incompatible");
}
auto type = cpp11::as_cpp<std::shared_ptr<arrow::DataType>>(x);
return arrow::list(type);
}
// [[arrow::export]]
std::shared_ptr<arrow::DataType> large_list__(SEXP x) {
if (Rf_inherits(x, "Field")) {
auto field = cpp11::as_cpp<std::shared_ptr<arrow::Field>>(x);
return arrow::large_list(field);
}
if (!Rf_inherits(x, "DataType")) {
cpp11::stop("incompatible");
}
auto type = cpp11::as_cpp<std::shared_ptr<arrow::DataType>>(x);
return arrow::large_list(type);
}
// [[arrow::export]]
std::shared_ptr<arrow::DataType> fixed_size_list__(SEXP x, int list_size) {
if (Rf_inherits(x, "Field")) {
auto field = cpp11::as_cpp<std::shared_ptr<arrow::Field>>(x);
return arrow::fixed_size_list(field, list_size);
}
if (!Rf_inherits(x, "DataType")) {
cpp11::stop("incompatible");
}
auto type = cpp11::as_cpp<std::shared_ptr<arrow::DataType>>(x);
return arrow::fixed_size_list(type, list_size);
}
// [[arrow::export]]
std::shared_ptr<arrow::DataType> map__(SEXP key, SEXP item, bool keys_sorted = false) {
std::shared_ptr<arrow::Field> key_field;
std::shared_ptr<arrow::Field> item_field;
if (Rf_inherits(key, "DataType")) {
auto key_type = cpp11::as_cpp<std::shared_ptr<arrow::DataType>>(key);
key_field = std::make_shared<arrow::Field>("key", key_type, /* nullable = */ false);
} else if (Rf_inherits(key, "Field")) {
key_field = cpp11::as_cpp<std::shared_ptr<arrow::Field>>(key);
if (key_field->nullable()) cpp11::stop("key field cannot be nullable.");
} else {
cpp11::stop("key must be a DataType or Field.");
}
if (Rf_inherits(item, "DataType")) {
auto item_type = cpp11::as_cpp<std::shared_ptr<arrow::DataType>>(item);
item_field = std::make_shared<arrow::Field>("value", item_type);
} else if (Rf_inherits(item, "Field")) {
item_field = cpp11::as_cpp<std::shared_ptr<arrow::Field>>(item);
} else {
cpp11::stop("item must be a DataType or Field.");
}
return std::make_shared<arrow::MapType>(key_field, item_field);
}
// [[arrow::export]]
std::shared_ptr<arrow::DataType> struct__(
const std::vector<std::shared_ptr<arrow::Field>>& fields) {
return arrow::struct_(fields);
}
// [[arrow::export]]
std::string DataType__ToString(const std::shared_ptr<arrow::DataType>& type) {
return type->ToString();
}
// [[arrow::export]]
std::string DataType__name(const std::shared_ptr<arrow::DataType>& type) {
return type->name();
}
// [[arrow::export]]
bool DataType__Equals(const std::shared_ptr<arrow::DataType>& lhs,
const std::shared_ptr<arrow::DataType>& rhs, bool check_metadata) {
return lhs->Equals(*rhs, check_metadata);
}
// [[arrow::export]]
int DataType__num_fields(const std::shared_ptr<arrow::DataType>& type) {
return type->num_fields();
}
// [[arrow::export]]
cpp11::list DataType__fields(const std::shared_ptr<arrow::DataType>& type) {
return arrow::r::to_r_list(type->fields());
}
// [[arrow::export]]
arrow::Type::type DataType__id(const std::shared_ptr<arrow::DataType>& type) {
return type->id();
}
// [[arrow::export]]
std::string ListType__ToString(const std::shared_ptr<arrow::ListType>& type) {
return type->ToString();
}
// [[arrow::export]]
int FixedWidthType__bit_width(const std::shared_ptr<arrow::FixedWidthType>& type) {
return type->bit_width();
}
// [[arrow::export]]
arrow::DateUnit DateType__unit(const std::shared_ptr<arrow::DateType>& type) {
return type->unit();
}
// [[arrow::export]]
arrow::TimeUnit::type TimeType__unit(const std::shared_ptr<arrow::TimeType>& type) {
return type->unit();
}
// [[arrow::export]]
arrow::TimeUnit::type DurationType__unit(
const std::shared_ptr<arrow::DurationType>& type) {
return type->unit();
}
// [[arrow::export]]
int32_t DecimalType__precision(const std::shared_ptr<arrow::DecimalType>& type) {
return type->precision();
}
// [[arrow::export]]
int32_t DecimalType__scale(const std::shared_ptr<arrow::DecimalType>& type) {
return type->scale();
}
// [[arrow::export]]
std::string TimestampType__timezone(const std::shared_ptr<arrow::TimestampType>& type) {
return type->timezone();
}
// [[arrow::export]]
arrow::TimeUnit::type TimestampType__unit(
const std::shared_ptr<arrow::TimestampType>& type) {
return type->unit();
}
// [[arrow::export]]
std::shared_ptr<arrow::DataType> DictionaryType__initialize(
const std::shared_ptr<arrow::DataType>& index_type,
const std::shared_ptr<arrow::DataType>& value_type, bool ordered) {
return ValueOrStop(arrow::DictionaryType::Make(index_type, value_type, ordered));
}
// [[arrow::export]]
std::shared_ptr<arrow::DataType> DictionaryType__index_type(
const std::shared_ptr<arrow::DictionaryType>& type) {
return type->index_type();
}
// [[arrow::export]]
std::shared_ptr<arrow::DataType> DictionaryType__value_type(
const std::shared_ptr<arrow::DictionaryType>& type) {
return type->value_type();
}
// [[arrow::export]]
std::string DictionaryType__name(const std::shared_ptr<arrow::DictionaryType>& type) {
return type->name();
}
// [[arrow::export]]
bool DictionaryType__ordered(const std::shared_ptr<arrow::DictionaryType>& type) {
return type->ordered();
}
// [[arrow::export]]
std::shared_ptr<arrow::Field> StructType__GetFieldByName(
const std::shared_ptr<arrow::StructType>& type, const std::string& name) {
return type->GetFieldByName(name);
}
// [[arrow::export]]
int StructType__GetFieldIndex(const std::shared_ptr<arrow::StructType>& type,
const std::string& name) {
return type->GetFieldIndex(name);
}
// [[arrow::export]]
std::vector<std::string> StructType__field_names(
const std::shared_ptr<arrow::StructType>& type) {
auto num_fields = type->num_fields();
std::vector<std::string> out(num_fields);
for (int i = 0; i < num_fields; i++) {
out[i] = type->field(i)->name();
}
return out;
}
// [[arrow::export]]
std::shared_ptr<arrow::Field> ListType__value_field(
const std::shared_ptr<arrow::ListType>& type) {
return type->value_field();
}
// [[arrow::export]]
std::shared_ptr<arrow::DataType> ListType__value_type(
const std::shared_ptr<arrow::ListType>& type) {
return type->value_type();
}
// [[arrow::export]]
std::shared_ptr<arrow::Field> LargeListType__value_field(
const std::shared_ptr<arrow::LargeListType>& type) {
return type->value_field();
}
// [[arrow::export]]
std::shared_ptr<arrow::DataType> LargeListType__value_type(
const std::shared_ptr<arrow::LargeListType>& type) {
return type->value_type();
}
// [[arrow::export]]
std::shared_ptr<arrow::Field> FixedSizeListType__value_field(
const std::shared_ptr<arrow::FixedSizeListType>& type) {
return type->value_field();
}
// [[arrow::export]]
std::shared_ptr<arrow::DataType> FixedSizeListType__value_type(
const std::shared_ptr<arrow::FixedSizeListType>& type) {
return type->value_type();
}
// [[arrow::export]]
int FixedSizeListType__list_size(const std::shared_ptr<arrow::FixedSizeListType>& type) {
return type->list_size();
}
// [[arrow::export]]
std::shared_ptr<arrow::Field> MapType__key_field(
const std::shared_ptr<arrow::MapType>& type) {
return type->key_field();
}
// [[arrow::export]]
std::shared_ptr<arrow::Field> MapType__item_field(
const std::shared_ptr<arrow::MapType>& type) {
return type->item_field();
}
// [[arrow::export]]
std::shared_ptr<arrow::DataType> MapType__key_type(
const std::shared_ptr<arrow::MapType>& type) {
return type->key_type();
}
// [[arrow::export]]
std::shared_ptr<arrow::DataType> MapType__item_type(
const std::shared_ptr<arrow::MapType>& type) {
return type->item_type();
}
// [[arrow::export]]
bool MapType__keys_sorted(const std::shared_ptr<arrow::MapType>& type) {
return type->keys_sorted();
}