120 lines
3.2 KiB
C++
120 lines
3.2 KiB
C++
/**
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* Copyright (c) 2021 OceanBase
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* OceanBase CE is licensed under Mulan PubL v2.
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* You can use this software according to the terms and conditions of the Mulan PubL v2.
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* You may obtain a copy of Mulan PubL v2 at:
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* http://license.coscl.org.cn/MulanPubL-2.0
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PubL v2 for more details.
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*/
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#define USING_LOG_PREFIX SQL
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#include "sql/ob_delete_stmt_printer.h"
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#include "sql/ob_sql_context.h"
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namespace oceanbase
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{
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using namespace common;
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namespace sql
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{
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void ObDeleteStmtPrinter::init(char *buf, int64_t buf_len, int64_t *pos, ObDeleteStmt *stmt)
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{
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ObDMLStmtPrinter::init(buf, buf_len, pos, stmt);
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}
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int ObDeleteStmtPrinter::do_print()
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{
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int ret = OB_SUCCESS;
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if (OB_ISNULL(stmt_)) {
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ret = OB_ERR_UNEXPECTED;
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LOG_WARN("stmt should not be NULL", K(ret));
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} else {
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expr_printer_.init(buf_,
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buf_len_,
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pos_,
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schema_guard_,
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print_params_,
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param_store_);
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if (OB_FAIL(print())) {
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LOG_WARN("fail to print stmt", K(ret));
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}
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}
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return ret;
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}
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int ObDeleteStmtPrinter::print()
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{
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int ret = OB_SUCCESS;
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if (OB_ISNULL(stmt_)) {
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ret = OB_ERR_UNEXPECTED;
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LOG_WARN("stmt_ should not be NULL", K(ret));
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} else if (OB_FAIL(print_basic_stmt())) {
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LOG_WARN("fail to print basic stmt", K(ret), K(*stmt_));
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} else { /*do nothing*/ }
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return ret;
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}
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int ObDeleteStmtPrinter::print_basic_stmt()
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{
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int ret = OB_SUCCESS;
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if (OB_ISNULL(stmt_)) {
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ret = OB_ERR_UNEXPECTED;
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LOG_WARN("stmt_ should not be NULL", K(ret));
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} else if (OB_FAIL(print_with())) {
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LOG_WARN("failed to print with", K(ret));
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} else if (OB_FAIL(print_temp_table_as_cte())) {
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LOG_WARN("failed to print cte", K(ret));
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} else if (OB_FAIL(print_delete())) {
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LOG_WARN("fail to print select", K(ret), K(*stmt_));
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} else if (OB_FAIL(print_from())) {
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LOG_WARN("fail to print from", K(ret), K(*stmt_));
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} else if (OB_FAIL(print_where())) {
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LOG_WARN("fail to print where", K(ret), K(*stmt_));
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} else if (OB_FAIL(print_order_by())) {
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LOG_WARN("fail to print order by", K(ret), K(*stmt_));
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} else if (OB_FAIL(print_limit())) {
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LOG_WARN("fail to print limit", K(ret), K(*stmt_));
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} else if (OB_FAIL(print_returning())) {
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LOG_WARN("fail to print_returning", K(ret), K(*stmt_));
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} else {
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// do-nothing
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}
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return ret;
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}
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int ObDeleteStmtPrinter::print_delete()
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{
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int ret = OB_SUCCESS;
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if (OB_ISNULL(stmt_) || OB_ISNULL(buf_) || OB_ISNULL(pos_)) {
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ret = OB_ERR_UNEXPECTED;
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LOG_WARN("stmt_ is NULL or buf_ is NULL or pos_ is NULL", K(ret));
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} else if (!stmt_->is_delete_stmt()) {
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ret = OB_ERR_UNEXPECTED;
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LOG_WARN("Not a valid delete stmt", K(stmt_->get_stmt_type()), K(ret));
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} else {
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DATA_PRINTF("delete ");
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if (OB_SUCC(ret)) {
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if (OB_FAIL(print_hint())) { // hint
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LOG_WARN("fail to print hint", K(ret), K(*stmt_));
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}
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}
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}
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return ret;
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}
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} //end of namespace sql
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} //end of namespace oceanbase
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