Files
oceanbase/src/sql/plan_cache/ob_ps_sql_utils.cpp
wangzelin.wzl 93a1074b0c patch 4.0
2022-10-24 17:57:12 +08:00

44 lines
1.4 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 USING_LOG_PREFIX SQL_PC
#include "ob_ps_sql_utils.h"
#include "lib/string/ob_string.h"
#include "lib/json/ob_json_print_utils.h"
#include "sql/plan_cache/ob_sql_parameterization.h"
namespace oceanbase
{
using namespace common;
namespace sql
{
int ObPsSqlUtils::deep_copy_str(common::ObIAllocator &allocator,
const common::ObString &src,
common::ObString &dst)
{
int ret = common::OB_SUCCESS;
int32_t size = src.length() + 1;
char* buf = static_cast<char *>(allocator.alloc(size));
if (OB_ISNULL(buf)) {
ret = common::OB_ALLOCATE_MEMORY_FAILED;
LOG_WARN("alloc memory failed", K(ret), K(size), K(src));
} else {
MEMCPY(buf, src.ptr(), src.length());
buf[size-1] = '\0';
dst.assign_ptr(buf, src.length());
}
return ret;
}
} //end of sql
} //end of oceanbase