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[bug](bitmap) fix bitmap value copy operator not call reset apache#26451
(apache#26681) when a empty bitmap assign to other bitmap the other bitmap should reset self firstly, and then set empty type.
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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. | ||
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| #include <glog/logging.h> | ||
| #include <gtest/gtest-message.h> | ||
| #include <gtest/gtest-param-test.h> | ||
| #include <gtest/gtest-test-part.h> | ||
| #include <stddef.h> | ||
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| #include <memory> | ||
| #include <string> | ||
| #include <vector> | ||
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| #include "gtest/gtest_pred_impl.h" | ||
| #include "util/bitmap_value.h" | ||
| #include "vec/aggregate_functions/aggregate_function.h" | ||
| #include "vec/aggregate_functions/aggregate_function_simple_factory.h" | ||
| #include "vec/columns/column.h" | ||
| #include "vec/columns/column_complex.h" | ||
| #include "vec/columns/column_string.h" | ||
| #include "vec/columns/column_vector.h" | ||
| #include "vec/columns/columns_number.h" | ||
| #include "vec/common/string_ref.h" | ||
| #include "vec/core/field.h" | ||
| #include "vec/core/types.h" | ||
| #include "vec/data_types/data_type_bitmap.h" | ||
| #include "vec/data_types/data_type_decimal.h" | ||
| #include "vec/data_types/data_type_number.h" | ||
| #include "vec/data_types/data_type_string.h" | ||
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| const int agg_test_batch_size = 10; | ||
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| namespace doris::vectorized { | ||
| // declare function | ||
| void register_aggregate_function_bitmap(AggregateFunctionSimpleFactory& factory); | ||
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| TEST(AggBitmapTest, bitmap_union_test) { | ||
| std::string function_name = "bitmap_union"; | ||
| auto data_type = std::make_shared<DataTypeBitMap>(); | ||
| // Prepare test data. | ||
| auto column_bitmap = data_type->create_column(); | ||
| for (int i = 0; i < agg_test_batch_size; i++) { | ||
| BitmapValue bitmap_value(i); | ||
| assert_cast<ColumnBitmap&>(*column_bitmap).insert_value(bitmap_value); | ||
| } | ||
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| // Prepare test function and parameters. | ||
| AggregateFunctionSimpleFactory factory; | ||
| register_aggregate_function_bitmap(factory); | ||
| DataTypes data_types = {data_type}; | ||
| auto agg_function = factory.get(function_name, data_types); | ||
| agg_function->set_version(3); | ||
| std::unique_ptr<char[]> memory(new char[agg_function->size_of_data()]); | ||
| AggregateDataPtr place = memory.get(); | ||
| agg_function->create(place); | ||
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| // Do aggregation. | ||
| const IColumn* column[1] = {column_bitmap.get()}; | ||
| for (int i = 0; i < agg_test_batch_size; i++) { | ||
| agg_function->add(place, column, i, nullptr); | ||
| } | ||
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| // Check result. | ||
| ColumnBitmap ans; | ||
| agg_function->insert_result_into(place, ans); | ||
| EXPECT_EQ(ans.size(), 1); | ||
| EXPECT_EQ(ans.get_element(0).cardinality(), agg_test_batch_size); | ||
| agg_function->destroy(place); | ||
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| auto dst = agg_function->create_serialize_column(); | ||
| agg_function->streaming_agg_serialize_to_column(column, dst, agg_test_batch_size, nullptr); | ||
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| for (size_t i = 0; i != agg_test_batch_size; ++i) { | ||
| EXPECT_EQ(std::to_string(i), assert_cast<ColumnBitmap&>(*dst).get_element(i).to_string()); | ||
| } | ||
| } | ||
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| } // namespace doris::vectorized |