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doris/be/test/vec/function/function_comparison_test.cpp
2022-05-30 16:12:10 +08:00

146 lines
5.9 KiB
C++

// 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 <gtest/gtest.h>
#include <iostream>
#include <string>
#include "exec/schema_scanner.h"
#include "runtime/row_batch.h"
#include "runtime/tuple_row.h"
#include "vec/data_types/data_type_number.h"
#include "vec/functions/simple_function_factory.h"
namespace doris {
TEST(ComparisonTest, ComparisonFunctionTest) {
SchemaScanner::ColumnDesc column_descs[] = {{"k1", TYPE_SMALLINT, sizeof(int16_t), false},
{"k2", TYPE_INT, sizeof(int32_t), false},
{"k3", TYPE_DOUBLE, sizeof(double), false}};
SchemaScanner schema_scanner(column_descs, 3);
ObjectPool object_pool;
SchemaScannerParam param;
schema_scanner.init(&param, &object_pool);
auto tuple_desc = const_cast<TupleDescriptor*>(schema_scanner.tuple_desc());
RowDescriptor row_desc(tuple_desc, false);
RowBatch row_batch(row_desc, 1024);
int16_t k1 = -100;
int32_t k2 = 100;
double k3 = 7.7;
for (int i = 0; i < 1024; ++i, k1++, k2--, k3 += 0.1) {
auto idx = row_batch.add_row();
TupleRow* tuple_row = row_batch.get_row(idx);
auto tuple = (Tuple*)(row_batch.tuple_data_pool()->allocate(tuple_desc->byte_size()));
auto slot_desc = tuple_desc->slots()[0];
memcpy(tuple->get_slot(slot_desc->tuple_offset()), &k1, column_descs[0].size);
slot_desc = tuple_desc->slots()[1];
memcpy(tuple->get_slot(slot_desc->tuple_offset()), &k2, column_descs[1].size);
slot_desc = tuple_desc->slots()[2];
memcpy(tuple->get_slot(slot_desc->tuple_offset()), &k3, column_descs[2].size);
tuple_row->set_tuple(0, tuple);
row_batch.commit_last_row();
}
vectorized::Block block = row_batch.convert_to_vec_block();
// 1. compute the k1 > k2
vectorized::ColumnNumbers arguments;
arguments.emplace_back(block.get_position_by_name("k1"));
arguments.emplace_back(block.get_position_by_name("k2"));
size_t num_columns_without_result = block.columns();
block.insert({nullptr, std::make_shared<vectorized::DataTypeUInt8>(), "k1 > k2"});
vectorized::ColumnsWithTypeAndName ctn = {block.get_by_position(arguments[0]),
block.get_by_position(arguments[1])};
auto greater_function_ptr = vectorized::SimpleFunctionFactory::instance().get_function(
"gt", ctn, std::make_shared<vectorized::DataTypeUInt8>());
greater_function_ptr->execute(nullptr, block, arguments, num_columns_without_result, 1024,
false);
k1 = -100;
k2 = 100;
for (int i = 0; i < 1024; ++i, k1++, k2--) {
vectorized::ColumnPtr column = block.get_columns()[3];
EXPECT_EQ(column->get_bool(i), k1 > k2);
}
// 2. compute the k2 <= k3
num_columns_without_result = block.columns();
block.insert({nullptr, std::make_shared<vectorized::DataTypeUInt8>(), "k2 <= k3"});
auto less_or_equals_function_ptr = vectorized::SimpleFunctionFactory::instance().get_function(
"le", ctn, std::make_shared<vectorized::DataTypeUInt8>());
arguments[0] = 1;
arguments[1] = 2;
less_or_equals_function_ptr->execute(nullptr, block, arguments, num_columns_without_result,
1024, false);
k2 = 100;
k3 = 7.7;
for (int i = 0; i < 1024; ++i, k3 += 0.1, k2--) {
vectorized::ColumnPtr column = block.get_columns()[4];
EXPECT_EQ(column->get_bool(i), k2 <= k3);
}
num_columns_without_result = block.columns();
block.insert({nullptr, std::make_shared<vectorized::DataTypeUInt8>(), "k1 > k2 and k2 <= k3"});
arguments[0] = 3;
arguments[1] = 4;
vectorized::ColumnsWithTypeAndName ctn2 = {block.get_by_position(arguments[0]),
block.get_by_position(arguments[1])};
auto and_function_ptr = vectorized::SimpleFunctionFactory::instance().get_function(
"and", ctn2, std::make_shared<vectorized::DataTypeUInt8>());
and_function_ptr->execute(nullptr, block, arguments, num_columns_without_result, 1024, false);
k1 = -100;
k2 = 100;
k3 = 7.7;
for (int i = 0; i < 1024; ++i, k1++, k3 += 0.1, k2--) {
vectorized::ColumnPtr column = block.get_columns()[5];
EXPECT_EQ(column->get_bool(i), k1 > k2 and k2 <= k3);
}
num_columns_without_result = block.columns();
block.insert({nullptr, std::make_shared<vectorized::DataTypeUInt8>(), "k1 > k2 or k2 <= k3"});
arguments[0] = 3;
arguments[1] = 4;
// vectorized::ColumnsWithTypeAndName ctn2 = { block.get_by_position(arguments[0]), block.get_by_position(arguments[1]) };
auto or_function_ptr = vectorized::SimpleFunctionFactory::instance().get_function(
"or", ctn2, std::make_shared<vectorized::DataTypeUInt8>());
or_function_ptr->execute(nullptr, block, arguments, num_columns_without_result, 1024, false);
k1 = -100;
k2 = 100;
k3 = 7.7;
for (int i = 0; i < 1024; ++i, k1++, k3 += 0.1, k2--) {
vectorized::ColumnPtr column = block.get_columns()[6];
EXPECT_EQ(column->get_bool(i), k1 > k2 or k2 <= k3);
}
}
} // namespace doris