47 lines
1.3 KiB
C++
47 lines
1.3 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.
|
|
*/
|
|
|
|
#include "sql/resolver/cmd/ob_help_stmt.h"
|
|
using namespace oceanbase::common;
|
|
using namespace oceanbase::sql;
|
|
ObHelpStmt::ObHelpStmt()
|
|
:ObDMLStmt(stmt::T_HELP),
|
|
row_store_(),
|
|
col_names_()
|
|
{
|
|
}
|
|
|
|
ObHelpStmt::~ObHelpStmt()
|
|
{
|
|
|
|
}
|
|
int ObHelpStmt::add_col_name(ObString col_name)
|
|
{
|
|
int ret = OB_SUCCESS;
|
|
if (OB_FAIL(col_names_.push_back(col_name))) {
|
|
SQL_RESV_LOG(WARN, "fail to push back column name", K(ret), K(col_name));
|
|
}
|
|
return ret;
|
|
}
|
|
int ObHelpStmt::get_col_name(int64_t idx, ObString &col_name)
|
|
{
|
|
int ret = OB_SUCCESS;
|
|
if (OB_UNLIKELY(idx < 0 || idx >= col_names_.count())) {
|
|
ret = OB_INVALID_ARGUMENT;
|
|
SQL_RESV_LOG(
|
|
WARN, "invalid argument", K(ret), K(idx), K(col_names_.count()));
|
|
} else {
|
|
col_name = col_names_.at(idx);
|
|
}
|
|
return ret;
|
|
}
|