126 lines
4.4 KiB
C++
126 lines
4.4 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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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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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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