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/**
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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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#include "sql/test_sql_utils.h"
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#include "sql/resolver/expr/ob_raw_expr_canonicalizer_impl.h"
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#include <gtest/gtest.h>
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#include "lib/utility/ob_test_util.h"
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#include "sql/resolver/expr/ob_raw_expr_util.h"
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#include "sql/resolver/ob_stmt.h"
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#include "sql/ob_sql_context.h"
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#include "lib/json/ob_json_print_utils.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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#include <fstream>
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#include <iterator>
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using namespace oceanbase::common;
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using namespace oceanbase::sql;
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class TestRawExprCanonicalizer: public ::testing::Test
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{
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public:
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TestRawExprCanonicalizer();
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virtual ~TestRawExprCanonicalizer();
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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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DISALLOW_COPY_AND_ASSIGN(TestRawExprCanonicalizer);
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protected:
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// function members
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void canon(const char* expr, const char *&canon_expr);
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protected:
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// data members
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};
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TestRawExprCanonicalizer::TestRawExprCanonicalizer()
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{
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}
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TestRawExprCanonicalizer::~TestRawExprCanonicalizer()
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{
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}
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void TestRawExprCanonicalizer::SetUp()
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{
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}
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void TestRawExprCanonicalizer::TearDown()
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{
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}
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void TestRawExprCanonicalizer::canon(const char* expr, const char *&canon_expr)
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{
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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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const char *expr_str = expr;
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ObArenaAllocator allocator(ObModIds::TEST);
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ObRawExprFactory expr_factory(allocator);
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ObTimeZoneInfo tz_info;
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ObStmt stmt;
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ObQueryCtx query_ctx;
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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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stmt.query_ctx_ = &query_ctx;
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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.stmt_ = &stmt;
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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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ObRawExpr *raw_expr = NULL;
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OK(ObRawExprUtils::make_raw_expr_from_str(expr_str, strlen(expr_str), ctx, raw_expr, columns,
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sys_vars, &sub_query_info, aggr_exprs ,win_exprs, udf_info));
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_OB_LOG(DEBUG, "================================================================");
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_OB_LOG(DEBUG, "%s", expr);
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_OB_LOG(DEBUG, "%s", CSJ(raw_expr));
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ObRawExprCanonicalizerImpl canon(ctx);
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OK(canon.canonicalize(raw_expr));
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canon_expr = CSJ(raw_expr);
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_OB_LOG(DEBUG, "canon_expr=%s", canon_expr);
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}
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TEST_F(TestRawExprCanonicalizer, basic_test)
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{
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set_compat_mode(Worker::CompatMode::MYSQL);
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std::ifstream if_tests("./expr/test_raw_expr_canonicalizer.test");
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ASSERT_TRUE(if_tests.is_open());
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std::string line;
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const char* canon_expr = NULL;
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std::ofstream of_result("./expr/test_raw_expr_canonicalizer.tmp");
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ASSERT_TRUE(of_result.is_open());
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while (std::getline(if_tests, line)) {
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of_result << line << std::endl;
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canon(line.c_str(), canon_expr);
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of_result << canon_expr << std::endl;
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}
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of_result.close();
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std::ifstream if_result("./expr/test_raw_expr_canonicalizer.tmp");
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ASSERT_TRUE(if_result.is_open());
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std::istream_iterator<std::string> it_result(if_result);
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std::ifstream if_expected("./expr/test_raw_expr_canonicalizer.result");
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ASSERT_TRUE(if_expected.is_open());
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std::istream_iterator<std::string> it_expected(if_expected);
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ASSERT_TRUE(std::equal(it_result, std::istream_iterator<std::string>(), it_expected));
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std::remove("./test_raw_expr_canonicalizer.tmp");
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}
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int main(int argc, char **argv)
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{
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::testing::InitGoogleTest(&argc,argv);
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return RUN_ALL_TESTS();
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}
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yinyj17