/**
 * 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.
 */

#ifndef OCEANBASE_SRC_SQL_PARSER_OB_SQL_PARSER_H_
#define OCEANBASE_SRC_SQL_PARSER_OB_SQL_PARSER_H_

#ifdef SQL_PARSER_COMPILATION
#include "parse_node.h"
#else
#include "sql/parser/parse_node.h"
#endif
namespace oceanbase {
namespace common {
class ObIAllocator;
}  // namespace common

namespace sql {
class ObSQLParser {
public:
  ObSQLParser(common::ObIAllocator& allocator, ObSQLMode mode) : allocator_(allocator), sql_mode_(mode)
  {}

  int parse(const char* str_ptr, const int64_t str_len, ParseResult& result);

  // only for obproxy fast parser
  // do not use the this function in observer kernel
  int parse_and_gen_sqlid(
      void* malloc_pool, const char* str_ptr, const int64_t str_len, const int64_t len, char* sql_id);

private:
  int gen_sqlid(const char* paramed_sql, const int64_t sql_len, const int64_t len, char* sql_id);

private:
  common::ObIAllocator& allocator_;
  ObSQLMode sql_mode_;
};
}  // namespace sql
}  // namespace oceanbase

#endif /* OCEANBASE_SRC_SQL_PARSER_OB_SQL_PARSER_H_ */