143 lines
4.6 KiB
C++
143 lines
4.6 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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#include <gtest/gtest.h>
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#include "sql/test_sql_utils.h"
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#include "lib/utility/ob_test_util.h"
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#include "sql/code_generator/ob_expr_generator_impl.h"
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#include "sql/code_generator/ob_column_index_provider.h"
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#include "sql/resolver/expr/ob_raw_expr_util.h"
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#include "sql/code_generator/ob_code_generator_impl.h"
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#include "sql/code_generator/ob_expr_generator_impl.h"
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#include "sql/engine/ob_physical_plan.h"
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#include "sql/ob_sql_init.h"
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#include "lib/json/ob_json_print_utils.h"
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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 TestExprGenerator: public ::testing::Test
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{
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public:
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TestExprGenerator();
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virtual ~TestExprGenerator();
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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(TestExprGenerator);
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protected:
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// function members
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void generate_expr(const char *expr_str,
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const char* &post_expr);
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protected:
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// data members
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ObPhysicalPlan phy_plan_;
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};
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TestExprGenerator::TestExprGenerator()
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{
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}
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TestExprGenerator::~TestExprGenerator()
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{
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}
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void TestExprGenerator::SetUp()
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{
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}
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void TestExprGenerator::TearDown()
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{
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}
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void TestExprGenerator::generate_expr(const char *expr_str,
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const char* &post_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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ObArenaAllocator allocator(ObModIds::TEST);
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ObRawExprFactory expr_factory(allocator);
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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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ObRawExpr *expr = NULL;
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OK(ObRawExprUtils::make_raw_expr_from_str(expr_str, strlen(expr_str), ctx, expr, columns,
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sys_vars, &sub_query_info, aggr_exprs, win_exprs, udf_info));
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RowDesc row_desc;
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OK(row_desc.init());
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for (int64_t i = 0; i < columns.count(); ++i) {
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OK(row_desc.add_column(columns[i].ref_expr_));
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}
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ObSqlExpression *sql_expr = NULL;
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ObColumnExpression col_expr(allocator);
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ObAggregateExpression aggr_expr(allocator);
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if (expr->is_aggr_expr()) {
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sql_expr = &aggr_expr;
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} else {
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sql_expr = &col_expr;
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}
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ObExprGeneratorImpl expr_generator(0, 0, NULL, row_desc);
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OK(expr_generator.generate(*expr, *sql_expr));
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phy_plan_.set_regexp_op_count(expr_generator.get_cur_regexp_op_count());
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post_expr = CSJ(sql_expr);
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}
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//由于实现enum和set后对cg进行了更改，依赖expr调用deduce_type。
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//而该测试用无法成功调用deduce type，因为无法获得column 的type，因此暂时注销掉该case
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TEST_F(TestExprGenerator, DISABLED_basic_test)
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{
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const char* test_file = "test_expr_generator.test";
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const char* result_file = "test_expr_generator.result";
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const char* tmp_file = "test_expr_generator.tmp";
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const char* post_expr = NULL;
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// run tests
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std::string line;
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std::ifstream if_tests(test_file);
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ASSERT_TRUE(if_tests.is_open());
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std::ofstream of_result(tmp_file);
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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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generate_expr(line.c_str(), post_expr);
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of_result << post_expr << std::endl;
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}
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of_result.close();
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// verify results
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std::ifstream if_result(tmp_file);
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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(result_file);
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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_resolver.tmp");
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}
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int main(int argc, char **argv)
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{
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system("rm -rf test_expr_generator.log");
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OB_LOGGER.set_log_level("INFO");
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OB_LOGGER.set_file_name("test_expr_generator.log", true);
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::oceanbase::sql::init_sql_factories();
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::testing::InitGoogleTest(&argc,argv);
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return RUN_ALL_TESTS();
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}
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