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/*
* Copyright (c) 2025 OceanBase.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define USING_LOG_PREFIX SQL
#include <gtest/gtest.h>
#define private public
#define protected public
#include "ob_expr_test_kit.h"
#include "sql/engine/expr/ob_expr_util.h"
using namespace oceanbase;
using namespace oceanbase::common;
using namespace oceanbase::common::number;
using namespace oceanbase::share;
using namespace oceanbase::sql;
using namespace oceanbase::observer;
class TestExpr : public ::testing::Test, public ObExprTestKit
{
virtual void SetUp() override
{
ASSERT_EQ(OB_SUCCESS, init());
}
virtual void TearDown() override
{
destroy();
}
};
int eval_num_add(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &datum)
{
int ret = OB_SUCCESS;
ObDatum *l = NULL;
ObDatum *r = NULL;
if (OB_FAIL(expr.args_[0]->eval(ctx, l))) {
LOG_WARN("left eval failed", K(ret));
} else if (l->null_) {
datum.set_null();
} else if (OB_FAIL(expr.args_[1]->eval(ctx, r))) {
LOG_WARN("right eval failed", K(ret));
} else if (r->null_) {
datum.set_null();
} else {
ObNumber lnum(l->num_->desc_.desc_, (uint32_t *)l->num_->digits_);
ObNumber rnum(r->num_->desc_.desc_, (uint32_t *)r->num_->digits_);
ObNumber add;
ObNumStackOnceAlloc tmp_alloc;
if (OB_FAIL(lnum.add(rnum, add, tmp_alloc))) {
LOG_WARN("add number failed", K(ret));
} else {
datum.set_number(add);
}
}
return ret;
}
int eval_int_less(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &datum)
{
int ret = OB_SUCCESS;
ObDatum *l = NULL;
ObDatum *r = NULL;
if (OB_FAIL(expr.args_[0]->eval(ctx, l))) {
LOG_WARN("left eval failed", K(ret));
} else if (l->null_) {
datum.set_null();
} else if (OB_FAIL(expr.args_[1]->eval(ctx, r))) {
LOG_WARN("right eval failed", K(ret));
} else if (r->null_) {
datum.set_null();
} else {
datum.set_int(*l->int_ < *r->int_);
}
return ret;
}
TEST(Expr, test_print_func_ptr)
{
// test print function pointer
auto f = &eval_num_add;
LOG_INFO("add func", K(f));
char buf[1024];
int64_t pos = 0;
databuff_print_obj(buf, 1024, pos, f);
}
TEST_F(TestExpr, number_add)
{
ObRawExpr *raw_expr = NULL;
ObSqlExpression old_expr(allocator_);
ObExpr *expr;
ObNumber add_nums[2];
ASSERT_EQ(OB_SUCCESS, add_nums[0].from("3.5", 3, allocator_));
ASSERT_EQ(OB_SUCCESS, add_nums[1].from("2.8", 3, allocator_));
ObObj add_args[2];
add_args[0].set_number(add_nums[0]);
add_args[1].set_number(add_nums[1]);
ASSERT_EQ(OB_SUCCESS, create_expr("1 + 1", add_args, 2, raw_expr, old_expr, expr));
expr->eval_func_ = &eval_num_add;
ObNewRow row;
ObObj result;
ASSERT_EQ(OB_SUCCESS, old_expr.calc(expr_ctx_, row, result));
LOG_INFO("old expr result", K(result));
int64_t TEST_CNT = 1000000;
ASSERT_EQ(OB_SUCCESS, timed_execute( "old add expr", TEST_CNT,
[&] {
// calc_buf_.reset_remain_one_page();
return old_expr.calc(expr_ctx_, row, result);
}));
ObDatum *datum = NULL;
ASSERT_EQ(OB_SUCCESS, expr->eval(eval_ctx_, datum));
LOG_INFO("new get result", K(*datum), K(DATUM2STR(*expr, *datum)));
ASSERT_EQ(OB_SUCCESS, timed_execute(
"new add expr", TEST_CNT,
[&] {
// calc_buf_.reset_remain_one_page();
expr->get_eval_info(eval_ctx_).evaluated_ = false;
return expr->eval(eval_ctx_, datum);
}));
}
TEST_F(TestExpr, int_less)
{
ObRawExpr *raw_expr = NULL;
ObSqlExpression old_expr(allocator_);
ObExpr *expr;
ObObj add_args[2];
add_args[0].set_int(512);
add_args[1].set_int(1024);
ASSERT_EQ(OB_SUCCESS, create_expr("1 < 1", add_args, 2, raw_expr, old_expr, expr));
expr->eval_func_ = &eval_int_less;
ObNewRow row;
ObObj result;
ASSERT_EQ(OB_SUCCESS, old_expr.calc(expr_ctx_, row, result));
LOG_INFO("old expr result", K(result));
int64_t TEST_CNT = 1000000;
ASSERT_EQ(OB_SUCCESS, timed_execute( "old less expr", TEST_CNT,
[&] {
return old_expr.calc(expr_ctx_, row, result);
}));
ObDatum *datum = NULL;
ASSERT_EQ(OB_SUCCESS, expr->eval(eval_ctx_, datum));
LOG_INFO("new get result", K(*datum), K(DATUM2STR(*expr, *datum)));
ASSERT_EQ(OB_SUCCESS, timed_execute(
"new less expr", TEST_CNT,
[&] {
expr->get_eval_info(eval_ctx_).evaluated_ = false;
return expr->eval(eval_ctx_, datum);
}));
}
// TODO bin.lb: test serialize && deserialize
int main(int argc, char **argv)
{
::testing::InitGoogleTest(&argc,argv);
OB_LOGGER.set_log_level("INFO");
OB_LOGGER.set_file_name("test_expr.log", true);
return RUN_ALL_TESTS();
}