oceanbase/unittest/sql/parser/test_sql_fast_parser.cpp
oceanbase-admin cea7de1475 init push
2021-05-31 22:56:52 +08:00

357 lines
12 KiB
C++

/**
* Copyright (c) 2021 OceanBase
* OceanBase CE is licensed under Mulan PubL v2.
* You can use this software according to the terms and conditions of the Mulan PubL v2.
* You may obtain a copy of Mulan PubL v2 at:
* http://license.coscl.org.cn/MulanPubL-2.0
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PubL v2 for more details.
*/
#define UNUSED(param) (void)param
#include <cstdint>
#include <cstdlib>
#include <cstdio>
#include <cassert>
#include <cstring>
#include <fstream>
#include <iterator>
#include <iostream>
#include <gtest/gtest.h>
#include "sql/parser/ob_sql_parser.h"
#include "sql/parser/parse_malloc.h"
#include "sql/parser/parser_proxy_func.h"
extern "C" {
extern void right_to_die_or_duty_to_live_c()
{
while (1) {
sleep(120);
}
}
}
using namespace oceanbase::common;
using std::cout;
using std::endl;
// must implement following four functions.
void* parser_alloc_buffer(void* malloc_pool, const int64_t buff_size)
{
UNUSED(malloc_pool);
return std::malloc(buff_size);
}
void parser_free_buffer(void* malloc_pool, void* buffer)
{
UNUSED(malloc_pool);
std::free(buffer);
}
extern "C" {
int check_stack_overflow_in_c(int* check_overflow)
{
*check_overflow = 0;
return 0;
}
bool check_stack_overflow_c()
{
return 0;
}
}
using namespace oceanbase::sql;
using namespace oceanbase::common;
void is_equal_content(const char* tmp_file, const char* result_file, bool is_record = false)
{
std::ifstream if_test(tmp_file);
if_test.is_open();
EXPECT_EQ(true, if_test.is_open());
std::istream_iterator<std::string> it_test(if_test);
std::ifstream if_expected(result_file);
if_expected.is_open();
EXPECT_EQ(true, if_expected.is_open());
std::istream_iterator<std::string> it_expected(if_expected);
bool is_equal = std::equal(it_test, std::istream_iterator<std::string>(), it_expected);
if (is_equal) {
std::remove(tmp_file);
} else if (is_record) {
fprintf(stdout, "The result files mismatched, you can choose to\n");
fprintf(stdout, "emacs -q %s %s\n", result_file, tmp_file);
fprintf(stdout, "diff -u %s %s\n", result_file, tmp_file);
fprintf(stdout, "mv %s %s\n", tmp_file, result_file);
std::rename(tmp_file, result_file);
} else {
fprintf(stdout, "The result files mismatched, you can choose to\n");
fprintf(stdout, "diff -u %s %s\n", tmp_file, result_file);
}
EXPECT_EQ(true, is_equal);
}
void print_result_tree(ParseNode* root, const int level, std::ostream& of)
{
for (int i = 0; i < level * 2; i++) {
of << "-";
}
of << get_type_name(root->type_);
if (NULL == root->str_value_) {
of << " (null)";
} else {
of << " (" << root->str_value_ << ")";
}
of << " off: " << root->token_off_;
of << " len: " << root->token_len_ << endl;
for (int i = 0; i < root->num_child_; i++) {
if (NULL == root->children_[i]) {
// do nothing
} else {
print_result_tree(root->children_[i], level + 1, of);
}
}
}
void print_comment_list(ParseResult* p, std::ostream& of)
{
for (int i = 0; i < p->comment_cnt_; ++i) {
of << "i: " << i;
of << ", off: " << p->comment_list_[i].token_off_;
of << ", len: " << p->comment_list_[i].token_len_;
of << endl;
}
}
class TestFastSqlParser : public ::testing::Test {
virtual void SetUp()
{}
virtual void TearDown()
{}
};
void test_fast_parser()
{
ParseResult parse_result;
int tmp_ptr = 1;
memset(&parse_result, 0, sizeof(parse_result));
parse_result.is_fp_ = true;
parse_result.is_multi_query_ = false;
// for parser_malloc's inner check. Normally, malloc_pool cannot be empty.
parse_result.malloc_pool_ = &tmp_ptr;
parse_result.is_ignore_hint_ = false;
parse_result.need_parameterize_ = true;
parse_result.pl_parse_info_.is_pl_parse_ = false;
parse_result.minus_ctx_.has_minus_ = false;
parse_result.minus_ctx_.pos_ = -1;
parse_result.minus_ctx_.raw_sql_offset_ = -1;
parse_result.is_for_trigger_ = false;
parse_result.is_dynamic_sql_ = false;
parse_result.is_batched_multi_enabled_split_ = false;
char input_sql[1024];
const int64_t test_sql_cnt = 10;
const char* test_sqls[test_sql_cnt] = {"select 1",
"select 2.2345;",
"select a from t where a = 'hello' and b = 3;",
"select a from t where a = 1 and b = 'hello';",
"select t1.a from t1 join t2 where b = udf_func(3) and c = 'hello';",
"select t2.a from t1 join t2 where b = udf_func(3) and c = 'hello';",
"select * from t;",
"select * from t;",
"select t1.a from t1 join t2 where b = udf_func(3) and c = 'hello';",
"select t1.a from t1 join t2 where b = udf_func(3.1231232) and c = "
"'hello';"};
const char* expected_sql_ids[test_sql_cnt] = {
"1FE1379FE2A31B8D16219655761820A2",
"99B8023929C1482A458CB071ADE822AC",
"ADFDC18C98D0A001EF337A9EAB18CAD8",
"ADFDC18C98D0A001EF337A9EAB18CAD8",
"27B601C30CABBDF94C0117EF53236D45",
"6C3F77365F581EC95803ED167CD82046",
"99C43C457B0C8E5AA6666E89C80DC5CE",
"0FD2573F48AA6C8DF7C3C71028CAFC81",
"27B601C30CABBDF94C0117EF53236D45",
"27B601C30CABBDF94C0117EF53236D45",
};
for (int i = 0; i < test_sql_cnt; i++) {
const char* input_sql = test_sqls[i];
int64_t new_length = std::strlen(input_sql) + 1;
char* buf = (char*)parse_malloc(new_length, parse_result.malloc_pool_);
parse_result.param_nodes_ = NULL;
parse_result.tail_param_node_ = NULL;
parse_result.no_param_sql_ = buf;
parse_result.no_param_sql_buf_len_ = new_length;
const int64_t SQL_ID_LENGTH = 32;
ObSQLParser sql_parser(*(ObIAllocator*)(parse_result.malloc_pool_), FP_MODE);
char sql_id[SQL_ID_LENGTH + 1];
int ret = sql_parser.parse_and_gen_sqlid(&tmp_ptr, input_sql, std::strlen(input_sql), sizeof(sql_id), sql_id);
sql_id[SQL_ID_LENGTH] = '\0';
ASSERT_EQ(0, std::strncmp(sql_id, expected_sql_ids[i], strlen(expected_sql_ids[i])));
}
}
void test_sql_parser()
{
ParseResult parse_result;
int tmp_ptr = 1;
memset(&parse_result, 0, sizeof(parse_result));
parse_result.sql_mode_ = DEFAULT_MYSQL_MODE;
parse_result.is_fp_ = false;
parse_result.is_multi_query_ = false;
// for parser_malloc's inner check. Normally, malloc_pool cannot be empty.
parse_result.malloc_pool_ = &tmp_ptr;
parse_result.is_ignore_hint_ = false;
parse_result.need_parameterize_ = true;
parse_result.pl_parse_info_.is_pl_parse_ = false;
parse_result.minus_ctx_.has_minus_ = false;
parse_result.minus_ctx_.pos_ = -1;
parse_result.minus_ctx_.raw_sql_offset_ = -1;
parse_result.is_for_trigger_ = false;
parse_result.is_dynamic_sql_ = false;
parse_result.is_batched_multi_enabled_split_ = false;
const int64_t test_sql_cnt = 10;
const char* test_sqls[test_sql_cnt] = {"select 1",
"select 2.2345;",
"select a from t where a = 'hello' and b = 3;",
"select a from t where a = 1 and b = 'hello';",
"select t1.a from t1 join t2 where b = udf_func(3) and c = 'hello';",
"select t2.a from t1 join t2 where b = udf_func(3) and c = 'hello';",
"select * from t;",
"select * from t;",
"select t1.a from t1 join t2 where b = udf_func(3) and c = 'hello';",
"select t1.a from t1 join t2 where b = udf_func(3.1231232) and c = "
"'hello';"};
for (int i = 0; i < test_sql_cnt; i++) {
const char* input_sql = test_sqls[i];
int64_t new_length = std::strlen(input_sql) + 1;
char* buf = (char*)parse_malloc(new_length, parse_result.malloc_pool_);
parse_result.param_nodes_ = NULL;
parse_result.tail_param_node_ = NULL;
parse_result.no_param_sql_ = buf;
parse_result.no_param_sql_buf_len_ = new_length;
ObSQLParser sql_parser(*(ObIAllocator*)(parse_result.malloc_pool_), parse_result.sql_mode_);
int ret = sql_parser.parse(input_sql, std::strlen(input_sql), parse_result);
ASSERT_TRUE(NULL != parse_result.result_tree_);
}
}
void setup_parse_result(ParseResult& parse_result, int& tmp_ptr)
{
memset(&parse_result, 0, sizeof(parse_result));
parse_result.sql_mode_ = DEFAULT_MYSQL_MODE;
parse_result.is_fp_ = false;
parse_result.is_multi_query_ = false;
// for parser_malloc's inner check. Normally, malloc_pool cannot be empty.
parse_result.malloc_pool_ = &tmp_ptr;
parse_result.is_ignore_hint_ = false;
parse_result.need_parameterize_ = true;
parse_result.pl_parse_info_.is_pl_parse_ = false;
parse_result.minus_ctx_.has_minus_ = false;
parse_result.minus_ctx_.pos_ = -1;
parse_result.minus_ctx_.raw_sql_offset_ = -1;
parse_result.is_for_trigger_ = false;
parse_result.is_dynamic_sql_ = false;
parse_result.is_batched_multi_enabled_split_ = false;
parse_result.realloc_cnt_ = 10;
}
void start_test_token_offset(const char* test_sqls[], int test_sql_cnt, uint64_t sql_mode, std::ostream& of)
{
for (int64_t i = 0; i < test_sql_cnt; ++i) {
ParseResult parse_result;
int tmp_ptr = 1;
setup_parse_result(parse_result, tmp_ptr);
parse_result.sql_mode_ = sql_mode;
const char* input_sql = test_sqls[i];
ObSQLParser sql_parser(*(ObIAllocator*)(parse_result.malloc_pool_), parse_result.sql_mode_);
int ret = sql_parser.parse(input_sql, std::strlen(input_sql), parse_result);
of << input_sql << endl;
ASSERT_TRUE(NULL != parse_result.result_tree_);
print_result_tree(parse_result.result_tree_, 0, of);
print_comment_list(&parse_result, of);
}
}
void test_token_pos()
{
const char* test_sqls_mysql[] = {
// test hint and comment
"/*+ c1 */ /* c2 */ select /* ignored */ /*+ no_rewrite, index(t1 primary) */ /* ignored */ c1 from t1;",
// test sys fun / add minus... / order by
"select * from t1 where c1 = c2+1*2/3-4 order by c1 + 2 limit 1;",
"select * from t1 where c1 = c2+1*2/3-4 order by c1 + 2 limit 1 offset 1;",
"select /*+ index(t1.c1 primary) */* from t1 where `name` = 'abc';",
"select /*+ index(t1.name primary) */* from t1 where `c1` = 'abc';",
};
const char* test_sqls_oracle[] = {
// test hint and comment
"/*+ c1 */ /* c2 */ select /* ignored */ /*+ no_rewrite, index(t1 primary) */ /* ignored */ c1 from t1;",
// test sys fun / add minus... / order by
"select * from t1 where c1 = c2+1*2/3-4 and rownum < 1 order by c1 + 2;",
"select * from t1 where c1 = c2+1*2/3-4 and rownum < 1+1 order by c1 + 2;",
"select /*+ index(t1.c1 primary) */* from t1 where \"name\" = 'abc';",
"select /*+ index(t1.name primary) */* from t1 where \"c1\" = 'abc';",
};
const char* res_file = "./test_sql_fast_parser.result";
const char* tmp_file = "./test_sql_fast_parser.tmp";
bool generate_res_file = false;
if (generate_res_file) {
std::ofstream res_of(res_file);
std::ofstream tmp_of(tmp_file);
ASSERT_TRUE(res_of.is_open());
ASSERT_TRUE(tmp_of.is_open());
tmp_of << "MySQL mode: \n";
start_test_token_offset(test_sqls_mysql, sizeof(test_sqls_mysql) / sizeof(char*), DEFAULT_MYSQL_MODE, tmp_of);
tmp_of << "Oracle mode: \n";
start_test_token_offset(
test_sqls_oracle, sizeof(test_sqls_oracle) / sizeof(char*), DEFAULT_ORACLE_MODE | SMO_ORACLE, tmp_of);
res_of.close();
tmp_of.close();
is_equal_content(tmp_file, res_file, generate_res_file);
} else {
std::ofstream tmp_of(tmp_file);
ASSERT_TRUE(tmp_of.is_open());
tmp_of << "MySQL mode: \n";
start_test_token_offset(test_sqls_mysql, sizeof(test_sqls_mysql) / sizeof(char*), DEFAULT_MYSQL_MODE, tmp_of);
tmp_of << "Oracle mode: \n";
start_test_token_offset(
test_sqls_oracle, sizeof(test_sqls_oracle) / sizeof(char*), DEFAULT_ORACLE_MODE | SMO_ORACLE, tmp_of);
tmp_of.close();
is_equal_content(tmp_file, res_file, generate_res_file);
}
}
TEST_F(TestFastSqlParser, linker_test)
{
test_sql_parser();
test_fast_parser();
test_token_pos();
}
int main(int argc, char** argv)
{
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}