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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/record_batch.h"
#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include <cstdint>
#include <memory>
#include <vector>
#include "arrow/array/array_base.h"
#include "arrow/array/array_nested.h"
#include "arrow/array/data.h"
#include "arrow/array/util.h"
#include "arrow/chunked_array.h"
#include "arrow/status.h"
#include "arrow/table.h"
#include "arrow/testing/gtest_util.h"
#include "arrow/testing/random.h"
#include "arrow/type.h"
#include "arrow/util/iterator.h"
#include "arrow/util/key_value_metadata.h"
namespace arrow {
class TestRecordBatch : public ::testing::Test {};
TEST_F(TestRecordBatch, Equals) {
const int length = 10;
auto f0 = field("f0", int32());
auto f1 = field("f1", uint8());
auto f2 = field("f2", int16());
auto f2b = field("f2b", int16());
auto metadata = key_value_metadata({"foo"}, {"bar"});
std::vector<std::shared_ptr<Field>> fields = {f0, f1, f2};
auto schema = ::arrow::schema({f0, f1, f2});
auto schema2 = ::arrow::schema({f0, f1});
auto schema3 = ::arrow::schema({f0, f1, f2}, metadata);
auto schema4 = ::arrow::schema({f0, f1, f2b});
random::RandomArrayGenerator gen(42);
auto a0 = gen.ArrayOf(int32(), length);
auto a1 = gen.ArrayOf(uint8(), length);
auto a2 = gen.ArrayOf(int16(), length);
auto b1 = RecordBatch::Make(schema, length, {a0, a1, a2});
auto b2 = RecordBatch::Make(schema3, length, {a0, a1, a2});
auto b3 = RecordBatch::Make(schema2, length, {a0, a1});
auto b4 = RecordBatch::Make(schema, length, {a0, a1, a1});
auto b5 = RecordBatch::Make(schema4, length, {a0, a1, a2});
ASSERT_TRUE(b1->Equals(*b1));
ASSERT_FALSE(b1->Equals(*b3));
ASSERT_FALSE(b1->Equals(*b4));
// Same values and types, but different field names
ASSERT_FALSE(b1->Equals(*b5));
// Different metadata
ASSERT_TRUE(b1->Equals(*b2));
ASSERT_FALSE(b1->Equals(*b2, /*check_metadata=*/true));
}
TEST_F(TestRecordBatch, Validate) {
const int length = 10;
auto f0 = field("f0", int32());
auto f1 = field("f1", uint8());
auto f2 = field("f2", int16());
auto schema = ::arrow::schema({f0, f1, f2});
random::RandomArrayGenerator gen(42);
auto a0 = gen.ArrayOf(int32(), length);
auto a1 = gen.ArrayOf(uint8(), length);
auto a2 = gen.ArrayOf(int16(), length);
auto a3 = gen.ArrayOf(int16(), 5);
auto b1 = RecordBatch::Make(schema, length, {a0, a1, a2});
ASSERT_OK(b1->ValidateFull());
// Length mismatch
auto b2 = RecordBatch::Make(schema, length, {a0, a1, a3});
ASSERT_RAISES(Invalid, b2->ValidateFull());
// Type mismatch
auto b3 = RecordBatch::Make(schema, length, {a0, a1, a0});
ASSERT_RAISES(Invalid, b3->ValidateFull());
}
TEST_F(TestRecordBatch, Slice) {
const int length = 7;
auto f0 = field("f0", int32());
auto f1 = field("f1", uint8());
auto f2 = field("f2", int8());
std::vector<std::shared_ptr<Field>> fields = {f0, f1, f2};
auto schema = ::arrow::schema(fields);
random::RandomArrayGenerator gen(42);
auto a0 = gen.ArrayOf(int32(), length);
auto a1 = gen.ArrayOf(uint8(), length);
auto a2 = ArrayFromJSON(int8(), "[0, 1, 2, 3, 4, 5, 6]");
auto batch = RecordBatch::Make(schema, length, {a0, a1, a2});
auto batch_slice = batch->Slice(2);
auto batch_slice2 = batch->Slice(1, 5);
ASSERT_EQ(batch_slice->num_rows(), batch->num_rows() - 2);
for (int i = 0; i < batch->num_columns(); ++i) {
ASSERT_EQ(2, batch_slice->column(i)->offset());
ASSERT_EQ(length - 2, batch_slice->column(i)->length());
ASSERT_EQ(1, batch_slice2->column(i)->offset());
ASSERT_EQ(5, batch_slice2->column(i)->length());
}
// ARROW-9143: RecordBatch::Slice was incorrectly setting a2's
// ArrayData::null_count to kUnknownNullCount
ASSERT_EQ(batch_slice->column(2)->data()->null_count, 0);
ASSERT_EQ(batch_slice2->column(2)->data()->null_count, 0);
}
TEST_F(TestRecordBatch, AddColumn) {
const int length = 10;
auto field1 = field("f1", int32());
auto field2 = field("f2", uint8());
auto field3 = field("f3", int16());
auto schema1 = ::arrow::schema({field1, field2});
auto schema2 = ::arrow::schema({field2, field3});
auto schema3 = ::arrow::schema({field2});
random::RandomArrayGenerator gen(42);
auto array1 = gen.ArrayOf(int32(), length);
auto array2 = gen.ArrayOf(uint8(), length);
auto array3 = gen.ArrayOf(int16(), length);
auto batch1 = RecordBatch::Make(schema1, length, {array1, array2});
auto batch2 = RecordBatch::Make(schema2, length, {array2, array3});
auto batch3 = RecordBatch::Make(schema3, length, {array2});
const RecordBatch& batch = *batch3;
// Negative tests with invalid index
ASSERT_RAISES(Invalid, batch.AddColumn(5, field1, array1));
ASSERT_RAISES(Invalid, batch.AddColumn(2, field1, array1));
ASSERT_RAISES(Invalid, batch.AddColumn(-1, field1, array1));
// Negative test with wrong length
auto longer_col = gen.ArrayOf(int32(), length + 1);
ASSERT_RAISES(Invalid, batch.AddColumn(0, field1, longer_col));
// Negative test with mismatch type
ASSERT_RAISES(TypeError, batch.AddColumn(0, field1, array2));
ASSERT_OK_AND_ASSIGN(auto new_batch, batch.AddColumn(0, field1, array1));
AssertBatchesEqual(*new_batch, *batch1);
ASSERT_OK_AND_ASSIGN(new_batch, batch.AddColumn(1, field3, array3));
AssertBatchesEqual(*new_batch, *batch2);
ASSERT_OK_AND_ASSIGN(auto new_batch2, batch.AddColumn(1, "f3", array3));
AssertBatchesEqual(*new_batch2, *new_batch);
ASSERT_TRUE(new_batch2->schema()->field(1)->nullable());
}
TEST_F(TestRecordBatch, SetColumn) {
const int length = 10;
auto field1 = field("f1", int32());
auto field2 = field("f2", uint8());
auto field3 = field("f3", int16());
auto schema1 = ::arrow::schema({field1, field2});
auto schema2 = ::arrow::schema({field1, field3});
auto schema3 = ::arrow::schema({field3, field2});
random::RandomArrayGenerator gen(42);
auto array1 = gen.ArrayOf(int32(), length);
auto array2 = gen.ArrayOf(uint8(), length);
auto array3 = gen.ArrayOf(int16(), length);
auto batch1 = RecordBatch::Make(schema1, length, {array1, array2});
auto batch2 = RecordBatch::Make(schema2, length, {array1, array3});
auto batch3 = RecordBatch::Make(schema3, length, {array3, array2});
const RecordBatch& batch = *batch1;
// Negative tests with invalid index
ASSERT_RAISES(Invalid, batch.SetColumn(5, field1, array1));
ASSERT_RAISES(Invalid, batch.SetColumn(-1, field1, array1));
// Negative test with wrong length
auto longer_col = gen.ArrayOf(int32(), length + 1);
ASSERT_RAISES(Invalid, batch.SetColumn(0, field1, longer_col));
// Negative test with mismatch type
ASSERT_RAISES(TypeError, batch.SetColumn(0, field1, array2));
ASSERT_OK_AND_ASSIGN(auto new_batch, batch.SetColumn(1, field3, array3));
AssertBatchesEqual(*new_batch, *batch2);
ASSERT_OK_AND_ASSIGN(new_batch, batch.SetColumn(0, field3, array3));
AssertBatchesEqual(*new_batch, *batch3);
}
TEST_F(TestRecordBatch, RemoveColumn) {
const int length = 10;
auto field1 = field("f1", int32());
auto field2 = field("f2", uint8());
auto field3 = field("f3", int16());
auto schema1 = ::arrow::schema({field1, field2, field3});
auto schema2 = ::arrow::schema({field2, field3});
auto schema3 = ::arrow::schema({field1, field3});
auto schema4 = ::arrow::schema({field1, field2});
random::RandomArrayGenerator gen(42);
auto array1 = gen.ArrayOf(int32(), length);
auto array2 = gen.ArrayOf(uint8(), length);
auto array3 = gen.ArrayOf(int16(), length);
auto batch1 = RecordBatch::Make(schema1, length, {array1, array2, array3});
auto batch2 = RecordBatch::Make(schema2, length, {array2, array3});
auto batch3 = RecordBatch::Make(schema3, length, {array1, array3});
auto batch4 = RecordBatch::Make(schema4, length, {array1, array2});
const RecordBatch& batch = *batch1;
std::shared_ptr<RecordBatch> result;
// Negative tests with invalid index
ASSERT_RAISES(Invalid, batch.RemoveColumn(3));
ASSERT_RAISES(Invalid, batch.RemoveColumn(-1));
ASSERT_OK_AND_ASSIGN(auto new_batch, batch.RemoveColumn(0));
AssertBatchesEqual(*new_batch, *batch2);
ASSERT_OK_AND_ASSIGN(new_batch, batch.RemoveColumn(1));
AssertBatchesEqual(*new_batch, *batch3);
ASSERT_OK_AND_ASSIGN(new_batch, batch.RemoveColumn(2));
AssertBatchesEqual(*new_batch, *batch4);
}
TEST_F(TestRecordBatch, SelectColumns) {
const int length = 10;
auto field1 = field("f1", int32());
auto field2 = field("f2", uint8());
auto field3 = field("f3", int16());
auto schema1 = ::arrow::schema({field1, field2, field3});
random::RandomArrayGenerator gen(42);
auto array1 = gen.ArrayOf(int32(), length);
auto array2 = gen.ArrayOf(uint8(), length);
auto array3 = gen.ArrayOf(int16(), length);
auto batch = RecordBatch::Make(schema1, length, {array1, array2, array3});
ASSERT_OK_AND_ASSIGN(auto subset, batch->SelectColumns({0, 2}));
ASSERT_OK(subset->ValidateFull());
auto expected_schema = ::arrow::schema({schema1->field(0), schema1->field(2)});
auto expected =
RecordBatch::Make(expected_schema, length, {batch->column(0), batch->column(2)});
ASSERT_TRUE(subset->Equals(*expected));
// Out of bounds indices
ASSERT_RAISES(Invalid, batch->SelectColumns({0, 3}));
ASSERT_RAISES(Invalid, batch->SelectColumns({-1}));
}
TEST_F(TestRecordBatch, RemoveColumnEmpty) {
const int length = 10;
random::RandomArrayGenerator gen(42);
auto field1 = field("f1", int32());
auto schema1 = ::arrow::schema({field1});
auto array1 = gen.ArrayOf(int32(), length);
auto batch1 = RecordBatch::Make(schema1, length, {array1});
ASSERT_OK_AND_ASSIGN(auto empty, batch1->RemoveColumn(0));
ASSERT_EQ(batch1->num_rows(), empty->num_rows());
ASSERT_OK_AND_ASSIGN(auto added, empty->AddColumn(0, field1, array1));
AssertBatchesEqual(*added, *batch1);
}
TEST_F(TestRecordBatch, ToFromEmptyStructArray) {
auto batch1 =
RecordBatch::Make(::arrow::schema({}), 10, std::vector<std::shared_ptr<Array>>{});
ASSERT_OK_AND_ASSIGN(auto struct_array, batch1->ToStructArray());
ASSERT_EQ(10, struct_array->length());
ASSERT_OK_AND_ASSIGN(auto batch2, RecordBatch::FromStructArray(struct_array));
ASSERT_TRUE(batch1->Equals(*batch2));
}
TEST_F(TestRecordBatch, FromStructArrayInvalidType) {
random::RandomArrayGenerator gen(42);
ASSERT_RAISES(TypeError, RecordBatch::FromStructArray(gen.ArrayOf(int32(), 6)));
}
TEST_F(TestRecordBatch, FromStructArrayInvalidNullCount) {
auto struct_array =
ArrayFromJSON(struct_({field("f1", int32())}), R"([{"f1": 1}, null])");
ASSERT_RAISES(Invalid, RecordBatch::FromStructArray(struct_array));
}
TEST_F(TestRecordBatch, MakeEmpty) {
auto f0 = field("f0", int32());
auto f1 = field("f1", uint8());
auto f2 = field("f2", int16());
std::vector<std::shared_ptr<Field>> fields = {f0, f1, f2};
auto schema = ::arrow::schema({f0, f1, f2});
ASSERT_OK_AND_ASSIGN(std::shared_ptr<RecordBatch> empty,
RecordBatch::MakeEmpty(schema));
AssertSchemaEqual(*schema, *empty->schema());
ASSERT_OK(empty->ValidateFull());
ASSERT_EQ(empty->num_rows(), 0);
}
class TestRecordBatchReader : public ::testing::Test {
public:
void SetUp() override { MakeBatchesAndReader(100); }
protected:
void MakeBatchesAndReader(int length) {
auto field1 = field("f1", int32());
auto field2 = field("f2", uint8());
auto field3 = field("f3", int16());
auto schema = ::arrow::schema({field1, field2, field3});
random::RandomArrayGenerator gen(42);
auto array1_1 = gen.ArrayOf(int32(), length);
auto array1_2 = gen.ArrayOf(int32(), length);
auto array1_3 = gen.ArrayOf(int32(), length);
auto array2_1 = gen.ArrayOf(uint8(), length);
auto array2_2 = gen.ArrayOf(uint8(), length);
auto array2_3 = gen.ArrayOf(uint8(), length);
auto array3_1 = gen.ArrayOf(int16(), length);
auto array3_2 = gen.ArrayOf(int16(), length);
auto array3_3 = gen.ArrayOf(int16(), length);
auto batch1 = RecordBatch::Make(schema, length, {array1_1, array2_1, array3_1});
auto batch2 = RecordBatch::Make(schema, length, {array1_2, array2_2, array3_2});
auto batch3 = RecordBatch::Make(schema, length, {array1_3, array2_3, array3_3});
batches_ = {batch1, batch2, batch3};
ASSERT_OK_AND_ASSIGN(reader_, RecordBatchReader::Make(batches_));
}
std::vector<std::shared_ptr<RecordBatch>> batches_;
std::shared_ptr<RecordBatchReader> reader_;
};
TEST_F(TestRecordBatchReader, RangeForLoop) {
int64_t i = 0;
for (auto maybe_batch : *reader_) {
ASSERT_OK_AND_ASSIGN(auto batch, maybe_batch);
ASSERT_LT(i, static_cast<int64_t>(batches_.size()));
AssertBatchesEqual(*batch, *batches_[i++]);
}
ASSERT_EQ(i, static_cast<int64_t>(batches_.size()));
}
TEST_F(TestRecordBatchReader, BeginEndForLoop) {
int64_t i = 0;
for (auto it = reader_->begin(); it != reader_->end(); ++it) {
ASSERT_OK_AND_ASSIGN(auto batch, *it);
ASSERT_LT(i, static_cast<int64_t>(batches_.size()));
AssertBatchesEqual(*batch, *batches_[i++]);
}
ASSERT_EQ(i, static_cast<int64_t>(batches_.size()));
}
TEST_F(TestRecordBatchReader, ToRecordBatches) {
ASSERT_OK_AND_ASSIGN(auto batches, reader_->ToRecordBatches());
ASSERT_EQ(batches.size(), batches_.size());
for (size_t index = 0; index < batches.size(); index++) {
AssertBatchesEqual(*batches[index], *batches_[index]);
}
ASSERT_OK_AND_ASSIGN(batches, reader_->ToRecordBatches());
ASSERT_EQ(batches.size(), 0);
}
TEST_F(TestRecordBatchReader, ToTable) {
ASSERT_OK_AND_ASSIGN(auto table, reader_->ToTable());
const auto& chunks = table->column(0)->chunks();
ASSERT_EQ(chunks.size(), batches_.size());
for (size_t index = 0; index < batches_.size(); index++) {
AssertArraysEqual(*chunks[index], *batches_[index]->column(0));
}
ASSERT_OK_AND_ASSIGN(table, reader_->ToTable());
ASSERT_EQ(table->column(0)->chunks().size(), 0);
}
ARROW_SUPPRESS_DEPRECATION_WARNING
TEST_F(TestRecordBatchReader, DeprecatedReadAllToRecordBatches) {
RecordBatchVector batches;
ASSERT_OK(reader_->ReadAll(&batches));
ASSERT_EQ(batches.size(), batches_.size());
for (size_t index = 0; index < batches.size(); index++) {
AssertBatchesEqual(*batches[index], *batches_[index]);
}
ASSERT_OK(reader_->ReadAll(&batches));
ASSERT_EQ(batches.size(), 0);
}
TEST_F(TestRecordBatchReader, DeprecatedReadAllToTable) {
std::shared_ptr<Table> table;
ASSERT_OK(reader_->ReadAll(&table));
const auto& chunks = table->column(0)->chunks();
ASSERT_EQ(chunks.size(), batches_.size());
for (size_t index = 0; index < batches_.size(); index++) {
AssertArraysEqual(*chunks[index], *batches_[index]->column(0));
}
ASSERT_OK(reader_->ReadAll(&table));
ASSERT_EQ(table->column(0)->chunks().size(), 0);
}
ARROW_UNSUPPRESS_DEPRECATION_WARNING
} // namespace arrow