be/test/vec/function/function_nullif_test.cpp

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// distributed with this work for additional information
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// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
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//
//   http://www.apache.org/licenses/LICENSE-2.0
//
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// under the License.

#include <iomanip>
#include <string>
#include <vector>

#include "common/status.h"
#include "function_test_util.h"
#include "gtest/gtest_pred_impl.h"
#include "testutil/any_type.h"
#include "vec/core/types.h"
#include "vec/data_types/data_type_date_time.h"
#include "vec/data_types/data_type_nullable.h"
#include "vec/data_types/data_type_number.h"

namespace doris::vectorized {

TEST(NullIfTest, Int_Test) {
    std::string func_name = "nullif";
    InputTypeSet input_types = {PrimitiveType::TYPE_INT, PrimitiveType::TYPE_INT};
    DataSet data_set = {{{4, 10}, 4}, {{-4, -4}, Null()}, {{5, Null()}, 5}};

    static_cast<void>(check_function<DataTypeInt32, true>(func_name, input_types, data_set));
}

TEST(NullIfTest, Float_Test) {
    std::string func_name = "nullif";
    InputTypeSet input_types = {PrimitiveType::TYPE_DOUBLE, PrimitiveType::TYPE_DOUBLE};
    DataSet data_set = {{{4.0, 10.0}, 4.0}, {{-4.0, -4.0}, Null()}, {{5.0, Null()}, 5.0}};

    static_cast<void>(check_function<DataTypeFloat64, true>(func_name, input_types, data_set));
}

TEST(NullIfTest, String_Int_Test) {
    std::string func_name = "nullif";
    InputTypeSet input_types = {PrimitiveType::TYPE_DATETIME, PrimitiveType::TYPE_DATETIME};
    DataSet data_set = {
            {{std::string("2021-10-24 12:32:31"), std::string("2021-10-24 13:00:01")},
             std::string("2021-10-24 12:32:31")},
            {{std::string("2021-10-24 13:00:01"), std::string("2021-10-24 13:00:01")}, Null()},
            {{std::string("2021-10-24 13:00:01"), Null()}, std::string("2021-10-24 13:00:01")}};

    static_cast<void>(check_function<DataTypeDateTime, true>(func_name, input_types, data_set));
}

} // namespace doris::vectorized