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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/util/byte_size.h"
#include <gtest/gtest.h>
#include <unordered_map>
#include "arrow/array.h"
#include "arrow/array/builder_primitive.h"
#include "arrow/buffer.h"
#include "arrow/chunked_array.h"
#include "arrow/record_batch.h"
#include "arrow/table.h"
#include "arrow/testing/extension_type.h"
#include "arrow/testing/generator.h"
#include "arrow/testing/gtest_util.h"
namespace arrow {
using internal::checked_pointer_cast;
namespace util {
TEST(TotalBufferSize, Arrays) {
std::shared_ptr<Array> no_nulls = ArrayFromJSON(int16(), "[1, 2, 3]");
ASSERT_EQ(6, TotalBufferSize(*no_nulls->data()));
std::shared_ptr<Array> with_nulls =
ArrayFromJSON(int16(), "[1, 2, 3, 4, null, 6, 7, 8, 9]");
ASSERT_EQ(20, TotalBufferSize(*with_nulls->data()));
}
TEST(TotalBufferSize, NestedArray) {
std::shared_ptr<Array> array_with_children =
ArrayFromJSON(list(int64()), "[[0, 1, 2, 3, 4], [5], null]");
// The offsets array will have 4 4-byte offsets (16)
// The child array will have 6 8-byte values (48)
// The child array will not have a validity bitmap
// The list array will have a 1 byte validity bitmap (1)
ASSERT_EQ(65, TotalBufferSize(*array_with_children));
}
TEST(TotalBufferSize, ArrayWithOffset) {
std::shared_ptr<Array> base_array =
ArrayFromJSON(int16(), "[1, 2, 3, 4, null, 6, 7, 8, 9]");
std::shared_ptr<Array> sliced = base_array->Slice(8, 1);
ASSERT_EQ(20, TotalBufferSize(*sliced));
}
TEST(TotalBufferSize, ArrayWithDict) {
std::shared_ptr<Array> arr = ArrayFromJSON(dictionary(int32(), int8()), "[0, 0, 0]");
ASSERT_EQ(13, TotalBufferSize(*arr));
}
TEST(TotalBufferSize, ChunkedArray) {
ArrayVector arrays;
for (int i = 0; i < 10; i++) {
arrays.push_back(ConstantArrayGenerator::Zeroes(5, int32()));
}
ASSERT_OK_AND_ASSIGN(std::shared_ptr<ChunkedArray> chunked_array,
ChunkedArray::Make(std::move(arrays)));
ASSERT_EQ(5 * 4 * 10, TotalBufferSize(*chunked_array));
}
TEST(TotalBufferSize, RecordBatch) {
std::shared_ptr<RecordBatch> record_batch = ConstantArrayGenerator::Zeroes(
10, schema({field("a", int32()), field("b", int64())}));
ASSERT_EQ(10 * 4 + 10 * 8, TotalBufferSize(*record_batch));
}
TEST(TotalBufferSize, Table) {
ArrayVector c1_arrays, c2_arrays;
for (int i = 0; i < 5; i++) {
c1_arrays.push_back(ConstantArrayGenerator::Zeroes(10, int32()));
}
for (int i = 0; i < 10; i++) {
c2_arrays.push_back(ConstantArrayGenerator::Zeroes(5, int64()));
}
ASSERT_OK_AND_ASSIGN(std::shared_ptr<ChunkedArray> c1,
ChunkedArray::Make(std::move(c1_arrays)));
ASSERT_OK_AND_ASSIGN(std::shared_ptr<ChunkedArray> c2,
ChunkedArray::Make(std::move(c2_arrays)));
std::shared_ptr<Schema> schm = schema({field("a", int32()), field("b", int64())});
std::shared_ptr<Table> table = Table::Make(std::move(schm), {c1, c2});
ASSERT_EQ(5 * 10 * 4 + 10 * 5 * 8, TotalBufferSize(*table));
}
TEST(TotalBufferSize, SharedBuffers) {
std::shared_ptr<Array> shared = ArrayFromJSON(int16(), "[1, 2, 3]");
std::shared_ptr<Array> first = shared->Slice(0, 2);
std::shared_ptr<Array> second = shared->Slice(1, 2);
ASSERT_OK_AND_ASSIGN(std::shared_ptr<ChunkedArray> combined,
ChunkedArray::Make({first, second}));
ASSERT_EQ(6, TotalBufferSize(*combined));
}
struct ExpectedRange {
// The index of the expected buffer. If an array shares buffers then multiple
// ExpectedRange objects will have the same index.
int index;
// The start of the expected range, as an offset from the source buffer start
uint64_t offset;
uint64_t length;
};
std::shared_ptr<Array> ExpectedRangesToArray(
const std::vector<ExpectedRange>& ranges,
const std::function<uint64_t(const ExpectedRange&)>& key_func) {
UInt64Builder builder;
for (const auto& range : ranges) {
ARROW_EXPECT_OK(builder.Append(key_func(range)));
}
std::shared_ptr<Array> arr;
ARROW_EXPECT_OK(builder.Finish(&arr));
return arr;
}
std::shared_ptr<Array> RangesToOffsets(const std::vector<ExpectedRange>& ranges) {
return ExpectedRangesToArray(ranges,
[](const ExpectedRange& range) { return range.offset; });
}
std::shared_ptr<Array> RangesToLengths(const std::vector<ExpectedRange>& ranges) {
return ExpectedRangesToArray(ranges,
[](const ExpectedRange& range) { return range.length; });
}
// We can't validate the buffer addresses exactly because they are unpredictable pointer
// values. However, when multiple ranges come from the same buffer we can validate that
// the buffers are the same.
void CheckBufferRangeStarts(const std::shared_ptr<Array>& starts,
const std::vector<ExpectedRange>& expected) {
const std::shared_ptr<UInt64Array>& starts_uint64 =
checked_pointer_cast<UInt64Array>(starts);
std::unordered_map<int, uint64_t> previous_buffer_starts;
ASSERT_NE(nullptr, starts_uint64);
const uint64_t* starts_data = starts_uint64->raw_values();
for (std::size_t i = 0; i < expected.size(); i++) {
const auto& previous_buffer_start = previous_buffer_starts.find(expected[i].index);
if (previous_buffer_start == previous_buffer_starts.end()) {
previous_buffer_starts.insert({expected[i].index, starts_data[i]});
} else {
ASSERT_EQ(starts_data[i], previous_buffer_start->second);
}
}
}
void CheckBufferRanges(const std::shared_ptr<Array>& input,
const std::vector<ExpectedRange>& expected) {
ASSERT_OK_AND_ASSIGN(std::shared_ptr<Array> result, ReferencedRanges(*input->data()));
std::shared_ptr<StructArray> result_struct = checked_pointer_cast<StructArray>(result);
ASSERT_NE(nullptr, result_struct);
AssertArraysEqual(*result_struct->field(1), *RangesToOffsets(expected));
AssertArraysEqual(*result_struct->field(2), *RangesToLengths(expected));
CheckBufferRangeStarts(result_struct->field(0), expected);
}
void CheckFixedWidthStarts(const std::shared_ptr<Array>& input) {
ASSERT_OK_AND_ASSIGN(std::shared_ptr<Array> result, ReferencedRanges(*input->data()));
uint64_t expected_values_start =
reinterpret_cast<uint64_t>(input->data()->buffers[1]->data());
uint64_t expected_validity_start =
reinterpret_cast<uint64_t>(input->null_bitmap_data());
std::shared_ptr<StructArray> result_struct = checked_pointer_cast<StructArray>(result);
const uint64_t* raw_starts =
checked_pointer_cast<UInt64Array>(result_struct->field(0))->raw_values();
ASSERT_EQ(expected_validity_start, raw_starts[0]);
ASSERT_EQ(expected_values_start, raw_starts[1]);
}
TEST(ByteRanges, StartValue) {
std::shared_ptr<Array> bool_arr = ArrayFromJSON(
boolean(), "[true, true, true, null, null, null, true, true, true, true]");
CheckFixedWidthStarts(bool_arr);
CheckFixedWidthStarts(bool_arr->Slice(9, 1));
std::shared_ptr<Array> ts_arr =
ArrayFromJSON(timestamp(TimeUnit::SECOND),
R"(["1970-01-01","2000-02-29","3989-07-14","1900-02-28", null])");
CheckFixedWidthStarts(ts_arr);
CheckFixedWidthStarts(ts_arr->Slice(2, 1));
}
TEST(ByteRanges, FixedWidthTypes) {
std::shared_ptr<Array> bool_arr = ArrayFromJSON(
boolean(), "[true, true, true, null, null, null, true, true, true, true]");
CheckBufferRanges(bool_arr, {{0, 0, 2}, {1, 0, 2}});
CheckBufferRanges(bool_arr->Slice(1, 8), {{0, 0, 2}, {1, 0, 2}});
CheckBufferRanges(bool_arr->Slice(1, 5), {{0, 0, 1}, {1, 0, 1}});
CheckBufferRanges(bool_arr->Slice(5, 5), {{0, 0, 2}, {1, 0, 2}});
CheckBufferRanges(bool_arr->Slice(9, 1), {{0, 1, 1}, {1, 1, 1}});
std::shared_ptr<Array> bool_arr_no_validity = ArrayFromJSON(boolean(), "[true, true]");
CheckBufferRanges(bool_arr_no_validity, {{0, 0, 1}});
std::shared_ptr<Array> fsb_arr =
ArrayFromJSON(fixed_size_binary(4), R"(["foox", "barz", null])");
CheckBufferRanges(fsb_arr, {{0, 0, 1}, {1, 0, 12}});
CheckBufferRanges(fsb_arr->Slice(1, 1), {{0, 0, 1}, {1, 4, 4}});
}
TEST(ByteRanges, DictionaryArray) {
std::shared_ptr<Array> dict_arr =
ArrayFromJSON(dictionary(int16(), utf8()), R"(["x", "abc", "x", null])");
CheckBufferRanges(dict_arr, {{0, 0, 1}, {1, 0, 8}, {2, 0, 8}, {3, 0, 4}});
CheckBufferRanges(dict_arr->Slice(2, 2), {{0, 0, 1}, {1, 4, 4}, {2, 0, 8}, {3, 0, 4}});
}
template <typename Type>
class ByteRangesVariableBinary : public ::testing::Test {};
TYPED_TEST_SUITE(ByteRangesVariableBinary, BaseBinaryArrowTypes);
TYPED_TEST(ByteRangesVariableBinary, Basic) {
using offset_type = typename TypeParam::offset_type;
auto type = TypeTraits<TypeParam>::type_singleton();
std::shared_ptr<Array> str_arr = ArrayFromJSON(type, R"(["a", "bb", "ccc", "dddd"])");
CheckBufferRanges(str_arr, {{0, 0, 4 * sizeof(offset_type)}, {1, 0, 10}});
CheckBufferRanges(str_arr->Slice(0, 1), {{0, 0, sizeof(offset_type)}, {1, 0, 1}});
CheckBufferRanges(str_arr->Slice(1, 1),
{{0, sizeof(offset_type), sizeof(offset_type)}, {1, 1, 2}});
CheckBufferRanges(str_arr->Slice(2, 2),
{{0, 2 * sizeof(offset_type), 2 * sizeof(offset_type)}, {1, 3, 7}});
std::shared_ptr<Array> str_with_null_arr =
ArrayFromJSON(type, R"(["a", null, "ccc", null])");
CheckBufferRanges(str_with_null_arr,
{{0, 0, 1}, {1, 0, 4 * sizeof(offset_type)}, {2, 0, 4}});
CheckBufferRanges(str_with_null_arr->Slice(0, 1),
{{0, 0, 1}, {1, 0, sizeof(offset_type)}, {2, 0, 1}});
CheckBufferRanges(
str_with_null_arr->Slice(1, 1),
{{0, 0, 1}, {1, sizeof(offset_type), sizeof(offset_type)}, {2, 1, 0}});
CheckBufferRanges(
str_with_null_arr->Slice(2, 2),
{{0, 0, 1}, {1, 2 * sizeof(offset_type), 2 * sizeof(offset_type)}, {2, 1, 3}});
}
template <typename Type>
class ByteRangesList : public ::testing::Test {};
TYPED_TEST_SUITE(ByteRangesList, ListArrowTypes);
TYPED_TEST(ByteRangesList, Basic) {
using offset_type = typename TypeParam::offset_type;
std::shared_ptr<DataType> type = std::make_shared<TypeParam>(int32());
std::shared_ptr<Array> list_arr = ArrayFromJSON(type, "[[1, 2], [3], [0]]");
CheckBufferRanges(list_arr, {{0, 0, 3 * sizeof(offset_type)}, {1, 0, 16}});
CheckBufferRanges(list_arr->Slice(2, 1),
{{0, 2 * sizeof(offset_type), sizeof(offset_type)}, {1, 12, 4}});
std::shared_ptr<Array> list_arr_with_nulls_in_items =
ArrayFromJSON(type, "[[1, null], [3], [0]]");
CheckBufferRanges(list_arr_with_nulls_in_items,
{{0, 0, 3 * sizeof(offset_type)}, {1, 0, 1}, {2, 0, 16}});
CheckBufferRanges(list_arr_with_nulls_in_items->Slice(0, 1),
{{0, 0, sizeof(offset_type)}, {1, 0, 1}, {2, 0, 8}});
std::shared_ptr<Array> list_arr_with_nulls =
ArrayFromJSON(type, "[[1, null], null, [0]]");
CheckBufferRanges(list_arr_with_nulls,
{{0, 0, 1}, {1, 0, 3 * sizeof(offset_type)}, {2, 0, 1}, {3, 0, 12}});
CheckBufferRanges(list_arr_with_nulls->Slice(0, 2),
{{0, 0, 1}, {1, 0, 2 * sizeof(offset_type)}, {2, 0, 1}, {3, 0, 8}});
}
TYPED_TEST(ByteRangesList, NestedList) {
using offset_type = typename TypeParam::offset_type;
std::shared_ptr<DataType> type =
std::make_shared<TypeParam>(std::make_shared<TypeParam>(int32()));
std::shared_ptr<Array> list_arr =
ArrayFromJSON(type, "[[[1], [2, 3, 4]], null, [[null]], [null, [5]]]");
CheckBufferRanges(list_arr, {{0, 0, 1},
{1, 0, 4 * sizeof(offset_type)},
{2, 0, 1},
{3, 0, 5 * sizeof(offset_type)},
{4, 0, 1},
{5, 0, 24}});
CheckBufferRanges(list_arr->Slice(2, 2),
{{0, 0, 1},
{1, 2 * sizeof(offset_type), 2 * sizeof(offset_type)},
{2, 0, 1},
{3, 2 * sizeof(offset_type), 3 * sizeof(offset_type)},
{4, 0, 1},
{5, 16, 8}});
}
TEST(ByteRanges, FixedSizeList) {
std::shared_ptr<Array> list_arr = ArrayFromJSON(
fixed_size_list(int8(), 2), "[[0, 1], [2, 3], [4, 5], [6, 7], [9, 10]]");
CheckBufferRanges(list_arr, {{0, 0, 10}});
CheckBufferRanges(list_arr->Slice(2, 2), {{0, 4, 4}});
std::shared_ptr<Array> list_arr_nulls_in_items = ArrayFromJSON(
fixed_size_list(int8(), 2), "[[0, null], [null, null], [4, 5], [6, 7], [9, 10]]");
CheckBufferRanges(list_arr_nulls_in_items, {{0, 0, 2}, {1, 0, 10}});
CheckBufferRanges(list_arr_nulls_in_items->Slice(4, 1), {{0, 1, 1}, {1, 8, 2}});
std::shared_ptr<Array> list_arr_with_nulls = ArrayFromJSON(
fixed_size_list(int8(), 2), "[[0, null], null, [4, 5], null, [9, 10]]");
CheckBufferRanges(list_arr_with_nulls, {{0, 0, 1}, {1, 0, 2}, {2, 0, 10}});
CheckBufferRanges(list_arr_with_nulls->Slice(4, 1), {{0, 0, 1}, {1, 1, 1}, {2, 8, 2}});
}
TEST(ByteRanges, Map) {
std::shared_ptr<Array> map_arr = ArrayFromJSON(
map(utf8(), uint16()), R"([[["x", 1], ["y", 2]], [["x", 3], ["y", 4]]])");
CheckBufferRanges(map_arr, {{0, 0, 8}, // 2 32-bit outer list indices
{1, 0, 16}, // 4 32-bit inner list indices
{2, 0, 4}, // 4 keys
{3, 0, 8}}); // 4 values
CheckBufferRanges(map_arr->Slice(1, 1), {{0, 4, 4}, {1, 8, 8}, {2, 2, 2}, {3, 4, 4}});
}
TEST(ByteRanges, DenseUnion) {
std::shared_ptr<DataType> type =
dense_union({field("a", int64()), field("b", utf8())}, {2, 5});
std::shared_ptr<Array> union_array = ArrayFromJSON(type, R"([
[2, null],
[2, 222],
[5, "hello"],
[5, "eh"],
[2, null],
[2, 111],
[5, null]
])");
CheckBufferRanges(union_array, {
{0, 0, 7}, // Types buffer, 1 byte per row
{1, 0, 28}, // Offsets buffer, 4 bytes per row
{2, 0, 1}, // int64 validity
{3, 0, 32}, // int64 values
{4, 0, 1}, // string validity
{5, 0, 12}, // string offsets
{6, 0, 7} // string values
});
CheckBufferRanges(union_array->Slice(3, 3),
{
{0, 3, 3}, // Types buffer, 1 byte per row
{1, 12, 12}, // Offsets buffer, 4 bytes per row
{2, 0, 1}, // int64 validity
{3, 16, 16}, // int64 values
{4, 0, 1}, // string validity
{5, 4, 4}, // string offsets
{6, 5, 2} // string values
});
}
TEST(ByteRanges, SparseUnion) {
std::shared_ptr<DataType> type =
sparse_union({field("a", int64()), field("b", utf8())}, {2, 5});
std::shared_ptr<Array> union_array = ArrayFromJSON(type, R"([
[2, null],
[2, 222],
[5, "hello"],
[5, "eh"],
[2, null],
[2, 111],
[5, null]
])");
CheckBufferRanges(union_array, {
{0, 0, 7}, // Types buffer, 1 byte per row
{1, 0, 1}, // int64 validity
{2, 0, 56}, // int64 values
{3, 0, 1}, // string validity
{4, 0, 28}, // string offsets
{5, 0, 7} // string values
});
CheckBufferRanges(union_array->Slice(3, 3),
{
{0, 3, 3}, // Types buffer, 1 byte per row
{1, 0, 1}, // int64 validity
{2, 24, 24}, // int64 values
{3, 0, 1}, // string validity
{4, 12, 12}, // string offsets
{5, 5, 2} // string values
});
}
TEST(ByteRanges, ExtensionArray) {
std::shared_ptr<Array> ext_arr = ExampleUuid();
CheckBufferRanges(ext_arr, {{0, 0, 1}, {1, 0, 64}});
}
TEST(ByteRanges, NullArray) {
ASSERT_OK_AND_ASSIGN(std::shared_ptr<Array> null_array, MakeArrayOfNull(null(), 42));
CheckBufferRanges(null_array, {});
CheckBufferRanges(null_array->Slice(15, 10), {});
}
TEST(ByteRanges, SharedArrayRange) {
std::shared_ptr<Array> shared_arr = ArrayFromJSON(int16(), "[1, 2, 3]");
ASSERT_OK_AND_ASSIGN(std::shared_ptr<Array> struct_arr,
StructArray::Make({shared_arr, shared_arr},
{field("a", int16()), field("b", int16())}));
CheckBufferRanges(struct_arr, {{0, 0, 6}, {0, 0, 6}});
auto sliced = checked_pointer_cast<StructArray>(struct_arr->Slice(2, 1));
CheckBufferRanges(struct_arr->Slice(2, 1), {{0, 4, 2}, {0, 4, 2}});
}
TEST(ByteRanges, PartialOverlapArrayRange) {
std::shared_ptr<Array> shared_arr = ArrayFromJSON(int16(), "[1, 2, 3]");
std::shared_ptr<Array> first = shared_arr->Slice(0, 2);
std::shared_ptr<Array> second = shared_arr->Slice(1, 2);
ASSERT_OK_AND_ASSIGN(
std::shared_ptr<Array> struct_arr,
StructArray::Make({first, second}, {field("a", int16()), field("b", int16())}));
CheckBufferRanges(struct_arr, {{0, 0, 4}, {0, 2, 4}});
}
TEST(ByteRanges, ChunkedArrayNoOverlap) {
std::shared_ptr<Array> first = ArrayFromJSON(int16(), "[1, null, 3]");
std::shared_ptr<Array> second = ArrayFromJSON(int16(), "[4, 5, 6]");
std::shared_ptr<ChunkedArray> chunked =
std::make_shared<ChunkedArray>(ArrayVector{first, second});
ASSERT_OK_AND_EQ(13, ReferencedBufferSize(*chunked));
}
TEST(ByteRanges, RecordBatchNoOverlap) {
std::shared_ptr<Array> first = ArrayFromJSON(int16(), "[1, null, 3]");
std::shared_ptr<Array> second = ArrayFromJSON(int16(), "[4, 5, 6]");
std::shared_ptr<RecordBatch> record_batch =
RecordBatch::Make(schema({field("a", int16()), field("b", int16())}),
first->length(), {first, second});
ASSERT_OK_AND_EQ(13, ReferencedBufferSize(*record_batch));
}
TEST(ByteRanges, TableNoOverlap) {
std::shared_ptr<Table> table =
TableFromJSON(schema({field("a", int16()), field("b", int16())}),
{"[[1, null], [2, 2]]", "[[3, 4]]"});
ASSERT_OK_AND_EQ(13, ReferencedBufferSize(*table));
}
} // namespace util
} // namespace arrow