155 lines
		
	
	
		
			6.0 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			155 lines
		
	
	
		
			6.0 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /**
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|  * Copyright (c) 2021 OceanBase
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|  * OceanBase CE is licensed under Mulan PubL v2.
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|  * You can use this software according to the terms and conditions of the Mulan PubL v2.
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|  * You may obtain a copy of Mulan PubL v2 at:
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|  *          http://license.coscl.org.cn/MulanPubL-2.0
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|  * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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|  * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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|  * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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|  * See the Mulan PubL v2 for more details.
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|  */
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| 
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| #include <gtest/gtest.h>
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| #include "sql/engine/expr/ob_expr_substr.h"
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| #include "ob_expr_test_utils.h"
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| 
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| using namespace oceanbase::common;
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| using namespace oceanbase::sql;
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| 
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| class ObExprSubstrTest : public ::testing::Test
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| {
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| public:
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|   ObExprSubstrTest();
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|   virtual ~ObExprSubstrTest();
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|   virtual void SetUp();
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|   virtual void TearDown();
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| private:
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|   // disallow copy
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|   ObExprSubstrTest(const ObExprSubstrTest &other);
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|   ObExprSubstrTest& operator=(const ObExprSubstrTest &other);
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| private:
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|   // data members
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| };
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| ObExprSubstrTest::ObExprSubstrTest()
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| {
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| }
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| 
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| ObExprSubstrTest::~ObExprSubstrTest()
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| {
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| }
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| 
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| void ObExprSubstrTest::SetUp()
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| {
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| }
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| 
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| void ObExprSubstrTest::TearDown()
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| {
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| }
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| 
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| #define T(obj, t1, v1, t2, v2, t3, v3, ref_type, ref_value) EXPECT_RESULT3(obj, &buf, calc_result3, t1, v1, t2, v2, t3, v3, ref_type, ref_value)
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| #define F(obj, t1, v1, t2, v2, t3, v3, ref_type, ref_value) EXPECT_FAIL_RESULT3(obj, &buf, calc_result3, t1, v1, t2, v2, t3, v3, ref_type, ref_value)
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| 
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| TEST_F(ObExprSubstrTest, basic_test)
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| {
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|   ObArenaAllocator alloc;
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|   ObExprSubstr substr(alloc);
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|   ObExprStringBuf buf;
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| 
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|   ASSERT_EQ(ObExprOperator::TWO_OR_THREE, substr.get_param_num());
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| 
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|   // null
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|   T(substr, null,  , null,  , null,  , null,  );
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|   T(substr, int,1, null,  , null,  , null,  );
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|   T(substr, int,1, varchar, "hi", null,  , null,  );
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|   T(substr, int,1, null,  , varchar, "hi", null,  );
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|   //T(substr, int,1, min, 0, null,  , null,  );
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|   //T(substr, int,1, max, 0, null,  , null,  );
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|   //T(substr, int,1, null,  , max, 0, null,  );
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|   //T(substr, int,1, null,  , min, 0, null,  );
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|   //T(substr, null,  , null,  , min, 0, null,  );
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| 
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|   // normal
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|   T(substr, varchar, "hello", int,0, int,100, varchar, "");
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|   T(substr, varchar, "hello", int,1, int,100, varchar, "hello");
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|   T(substr, varchar, "hello", int,2, int,100, varchar, "ello");
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|   T(substr, varchar, "hello", int,3, int,100, varchar, "llo");
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|   T(substr, varchar, "hello", int,4, int,100, varchar, "lo");
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|   T(substr, varchar, "hello", int,5, int,100, varchar, "o");
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|   T(substr, varchar, "hello", int,6, int,100, varchar, "");
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|   T(substr, varchar, "hello", int,7, int,100, varchar, "");
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| 
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|   T(substr, varchar, "hello", int,-1, int,100, varchar, "o");
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|   T(substr, varchar, "hello", int,-2, int,100, varchar, "lo");
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|   T(substr, varchar, "hello", int,-3, int,100, varchar, "llo");
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|   T(substr, varchar, "hello", int,-4, int,100, varchar, "ello");
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|   T(substr, varchar, "hello", int,-5, int,100, varchar, "hello");
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|   T(substr, varchar, "hello", int,-6, int,100, varchar, "");
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|   T(substr, varchar, "hello", int,-7, int,100, varchar, "");
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|   T(substr, varchar, "hello", int,-6, int,1, varchar, "");
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|   T(substr, varchar, "hello", int,-6, int,2, varchar, "");
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|   T(substr, varchar, "hello", int,-6, int,3, varchar, "");
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|   T(substr, varchar, "hello", int,-6, int,4, varchar, "");
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|   T(substr, varchar, "hello", int,-6, int,5, varchar, "");
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|   T(substr, varchar, "hello", int,-6, int,6, varchar, "");
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|   T(substr, varchar, "hello", int,-6, int,7, varchar, "");
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|   T(substr, varchar, "hello", int,-1, int,2, varchar, "o");
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|   T(substr, varchar, "hello", int,-2, int,2, varchar, "lo");
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|   T(substr, varchar, "hello", int,-3, int,2, varchar, "ll");
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|   T(substr, varchar, "hello", int,-4, int,2, varchar, "el");
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|   T(substr, varchar, "hello", int,-5, int,2, varchar, "he");
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| 
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|   T(substr, varchar, "hello", int,0, int,-1, varchar, "");
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|   T(substr, varchar, "hello", int,1, int,-1, varchar, "");
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|   T(substr, varchar, "hello", int,2, int,-1, varchar, "");
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|   T(substr, varchar, "hello", int,3, int,-1, varchar, "");
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|   T(substr, varchar, "hello", int,4, int,-1, varchar, "");
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|   T(substr, varchar, "hello", int,5, int,-1, varchar, "");
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|   T(substr, varchar, "hello", int,6, int,-1, varchar, "");
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| 
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|   T(substr, varchar, "hello", int,0, int,0, varchar, "");
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|   T(substr, varchar, "hello", int,1, int,0, varchar, "");
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|   T(substr, varchar, "hello", int,2, int,0, varchar, "");
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|   T(substr, varchar, "hello", int,3, int,0, varchar, "");
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|   T(substr, varchar, "hello", int,4, int,0, varchar, "");
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|   T(substr, varchar, "hello", int,5, int,0, varchar, "");
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|   T(substr, varchar, "hello", int,6, int,0, varchar, "");
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| 
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| 
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| }
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| 
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| TEST_F(ObExprSubstrTest, fail_test)
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| {
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|   ObArenaAllocator alloc;
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|   ObExprSubstr substr(alloc);
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|   ObExprStringBuf buf;
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| 
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|   ASSERT_EQ(ObExprOperator::TWO_OR_THREE, substr.get_param_num());
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|   F(substr, varchar, "hi", int,1, max_value, , varchar, "hi");
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|   F(substr, varchar, "hi", int,1, min_value,  , varchar, "hi");
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|   F(substr, varchar, "hi", min_value,  , int,1, varchar, "hi");
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|   F(substr, varchar, "hi", max_value,  , int,1, varchar, "hi");
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|   F(substr, int,1, min_value,  , min_value,  , varchar, "1");
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|   F(substr, double, 1.3, min_value,  , min_value,  , varchar, "1.300000");
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| 
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|   // convert
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|   //F(substr, varchar, "hello", varchar, "3", varchar, "100", varchar, "llo");
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|   //F(substr, varchar, "hello", varchar, "4", varchar, "100", varchar, "lo");
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|   //F(substr, varchar, "hello", varchar, "5", varchar, "100", varchar, "o");
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|   //F(substr, varchar, "hello", varchar, "6", varchar, "100", varchar, "");
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|   //F(substr, varchar, "hello", varchar, "7", varchar, "100", varchar, "");
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|   //F(substr, varchar, "hello", varchar, "-1", varchar, "100", varchar, "o");
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|   //F(substr, varchar, "hello", varchar, "-2", varchar, "100", varchar, "lo");
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|   //F(substr, varchar, "hello", varchar, "-3", varchar, "100", varchar, "llo");
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|   //F(substr, varchar, "hello", varchar, "-4", varchar, "100", varchar, "ello");
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| 
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| }
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| 
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| int main(int argc, char **argv)
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| {
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|   oceanbase::common::ObLogger::get_logger().set_log_level("DEBUG");
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|   ::testing::InitGoogleTest(&argc,argv);
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|   return RUN_ALL_TESTS();
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| }
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| 
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