Co-authored-by: wangt1xiuyi <13547954130@163.com> Co-authored-by: yangqise7en <877793735@qq.com> Co-authored-by: Zach41 <zach_41@163.com>
		
			
				
	
	
		
			130 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			130 lines
		
	
	
		
			4.5 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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#define USING_LOG_PREFIX SQL_OPTIMIZER
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#include <gtest/gtest.h>
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#include "lib/json/ob_json.h"
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#include "lib/allocator/ob_mod_define.h"
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#include "lib/allocator/page_arena.h"
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#include "lib/oblog/ob_log.h"
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#include "sql/resolver/expr/ob_raw_expr_util.h"
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#include "sql/engine/expr/ob_expr_operator.h"
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#define private public
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#include "observer/ob_server.h"
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#undef private
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using namespace oceanbase::sql;
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using namespace oceanbase::common;
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namespace test
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{
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#define MAKE_RAW_EXPR_FROM_STR(str, expr)                                       \
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  ({                                                                            \
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	  ret = ObRawExprUtils::make_raw_expr_from_str(str,                           \
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                                                 strlen(str),                   \
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                                                 ctx,                           \
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                                                 expr,                          \
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                                                 columns,                       \
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                                                 sys_vars,                      \
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                                                 &sub_query_info,               \
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                                                 aggr_exprs,                    \
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                                                 win_exprs,                     \
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                                                 udf_info);                     \
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    ret;                                                                        \
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  })
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class TestRawExprToStr: public ::testing::Test
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{
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public:
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  TestRawExprToStr() {}
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  virtual ~TestRawExprToStr() {}
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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 and assign
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  TestRawExprToStr(const TestRawExprToStr &other);
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  TestRawExprToStr& operator=(const TestRawExprToStr &ohter);
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};
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TEST_F(TestRawExprToStr, basic)
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{
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  int ret = OB_SUCCESS;
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  // mock params
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  // stmts
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  ObArenaAllocator allocator(ObModIds::TEST);
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  ObRawExprFactory expr_factory(allocator);
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  ObArray<ObQualifiedName> columns;
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  ObArray<ObVarInfo> sys_vars;
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  ObArray<ObSubQueryInfo> sub_query_info;
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  ObArray<ObAggFunRawExpr*> aggr_exprs;
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  ObArray<ObWinFunRawExpr*> win_exprs;
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  ObArray<ObUDFInfo> udf_info;
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  ObTimeZoneInfo tz_info;
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  ObNameCaseMode case_mode = OB_NAME_CASE_INVALID;
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  ObExprResolveContext ctx(expr_factory, &tz_info, case_mode);
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  ctx.connection_charset_ = ObCharset::get_default_charset();
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  ctx.dest_collation_ = ObCharset::get_default_collation(ctx.connection_charset_);
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  ctx.is_extract_param_type_ = false;
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  ObSQLSessionInfo session;
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  ctx.session_info_ = &session;
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  OBSERVER.init_version();
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  const int64_t buf_len = 1024;
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  int64_t pos = 0;
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  char buf[buf_len];
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  ObRawExpr *expr = NULL;
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  // const char* inner_offset = "1+c1 > ? and 'abc' || c2 = 'def'";
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  const char* expr1 = "1+c1 > ? and SUM(1) OR 2 >= 1";
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  const char* expr2 = "CASE WHEN 10>=2 THEN 1+2 ELSE 0 END";
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  const char* expr3 = "CASE WHEN 10>=2 THEN 10-2 ELSE SUM(10-2) END";
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  const char* expr4 = "1/2";
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  MAKE_RAW_EXPR_FROM_STR(expr1, expr);
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  EXPECT_TRUE(OB_SUCC(ret));
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  pos = 0;
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  ret = expr->get_name(buf, buf_len, pos);
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  EXPECT_TRUE(OB_SUCC(ret));
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  _OB_LOG(INFO, "%.*s", static_cast<int32_t>(pos), buf);
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  pos = 0;
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  MAKE_RAW_EXPR_FROM_STR(expr2, expr);
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  EXPECT_TRUE(OB_SUCC(ret));
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  ret = expr->get_name(buf, buf_len, pos);
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  EXPECT_TRUE(OB_SUCC(ret));
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  _OB_LOG(INFO, "%.*s", static_cast<int32_t>(pos), buf);
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  pos = 0;
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  MAKE_RAW_EXPR_FROM_STR(expr3, expr);
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  EXPECT_TRUE(OB_SUCC(ret));
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  ret = expr->get_name(buf, buf_len, pos);
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  EXPECT_TRUE(OB_SUCC(ret));
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  _OB_LOG(INFO, "%.*s", static_cast<int32_t>(pos), buf);
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  pos = 0;
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  MAKE_RAW_EXPR_FROM_STR(expr4, expr);
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  EXPECT_TRUE(OB_SUCC(ret));
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  ret = expr->get_name(buf, buf_len, pos);
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  EXPECT_TRUE(OB_SUCC(ret));
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  _OB_LOG(INFO, "%.*s", static_cast<int32_t>(pos), buf);
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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("INFO");
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  ::testing::InitGoogleTest(&argc,argv);
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  return RUN_ALL_TESTS();
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}
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