72 lines
2.3 KiB
C++
72 lines
2.3 KiB
C++
/**
|
|
* Copyright (c) 2023 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_OPT
|
|
#include "sql/optimizer/ob_log_link_scan.h"
|
|
#include "sql/resolver/expr/ob_expr_info_flag.h"
|
|
|
|
using namespace oceanbase::sql;
|
|
using namespace oceanbase::common;
|
|
using namespace oceanbase::sql::log_op_def;
|
|
|
|
namespace oceanbase
|
|
{
|
|
namespace sql
|
|
{
|
|
|
|
ObLogLinkScan::ObLogLinkScan(ObLogPlan &plan)
|
|
: ObLogLink(plan)
|
|
{}
|
|
|
|
int ObLogLinkScan::get_op_exprs(ObIArray<ObRawExpr*> &all_exprs)
|
|
{
|
|
int ret = OB_SUCCESS;
|
|
if (OB_FAIL(append(all_exprs, select_exprs_))) {
|
|
LOG_WARN("failed to push back select exprs", K(ret));
|
|
} else if (OB_FAIL(ObLogicalOperator::get_op_exprs(all_exprs))) {
|
|
LOG_WARN("failed to get op exprs", K(ret));
|
|
} else { /*do nothing*/ }
|
|
return ret;
|
|
}
|
|
|
|
int ObLogLinkScan::allocate_expr_post(ObAllocExprContext &ctx)
|
|
{
|
|
int ret = OB_SUCCESS;
|
|
const ObSelectStmt *stmt = NULL;
|
|
if (OB_ISNULL(get_plan()) ||
|
|
OB_ISNULL(stmt = static_cast<const ObSelectStmt *>(get_plan()->get_stmt()))) {
|
|
ret = OB_ERR_UNEXPECTED;
|
|
LOG_WARN("get unexpected null", K(get_plan()), K(stmt), K(ret));
|
|
}
|
|
for (int64_t i = 0; OB_SUCC(ret) && i < stmt->get_select_item_size(); ++i) {
|
|
ObRawExpr *expr = stmt->get_select_item(i).expr_;
|
|
if (OB_ISNULL(expr)) {
|
|
ret = OB_ERR_UNEXPECTED;
|
|
LOG_WARN("null expr", K(ret));
|
|
} else if (OB_FAIL(mark_expr_produced(expr,
|
|
branch_id_,
|
|
id_,
|
|
ctx))) {
|
|
LOG_WARN("failed to mark expr as produced", K(branch_id_), K(ret));
|
|
}
|
|
}
|
|
if (OB_SUCC(ret)) {
|
|
if (OB_FAIL(ObLogicalOperator::allocate_expr_post(ctx))) {
|
|
LOG_WARN("failed to allocate_expr_post", K(ret));
|
|
} else { /*do nothing*/ }
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
} // namespace sql
|
|
} // namespace oceanbase
|