96 lines
3.5 KiB
C++
96 lines
3.5 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_RESV
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#include "sql/resolver/prepare/ob_execute_resolver.h"
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#include "sql/resolver/ob_resolver_utils.h"
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#include "sql/plan_cache/ob_prepare_stmt_struct.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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int ObExecuteResolver::resolve(const ParseNode &parse_tree)
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{
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int ret = OB_SUCCESS;
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ObExecuteStmt *execute_stmt = NULL;
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if (parse_tree.num_child_ != 2 || OB_ISNULL(session_info_)) {
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ret = OB_INVALID_ARGUMENT;
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LOG_WARN("invalid argument", "num_child", parse_tree.num_child_, K(allocator_), K(ret));
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}
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if (OB_SUCC(ret)) {
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if (OB_ISNULL(execute_stmt = create_stmt<ObExecuteStmt>())) {
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ret = OB_SQL_RESOLVER_NO_MEMORY;
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LOG_WARN("failed to create execute stmt", K(ret));
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} else {
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stmt_ = execute_stmt;
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}
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}
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if (OB_SUCC(ret)) {
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//resolver stmt name
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if (OB_ISNULL(parse_tree.children_[0])) {
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ret = OB_INVALID_ARGUMENT;
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LOG_WARN("invalid argument", K(parse_tree.children_[0]), K(ret));
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} else {
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ObString stmt_name;
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ObString name(parse_tree.children_[0]->str_len_, parse_tree.children_[0]->str_value_);
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ObPsSessionInfo *ps_session_info = NULL;
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ObPsStmtId ps_id = OB_INVALID_ID;
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stmt::StmtType ps_type = stmt::T_NONE;
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if (OB_FAIL(ob_simple_low_to_up(*params_.allocator_, name, stmt_name))) {
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LOG_WARN("failed to write string", K(ret));
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} else if(OB_FAIL(session_info_->get_prepare_id(stmt_name, ps_id))) {
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LOG_WARN("failed to get prepare id", K(ret));
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} else if (OB_FAIL(session_info_->get_ps_session_info(ps_id, ps_session_info))) {
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LOG_WARN("failed to get ps session info", K(ret));
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} else if (OB_ISNULL(ps_session_info)) {
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ret = OB_ERR_UNEXPECTED;
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LOG_WARN("ps session info is NULL", K(stmt_name), K(ps_id), K(ret));
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} else {
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ps_type = ps_session_info->get_stmt_type();
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execute_stmt->set_prepare_id(ps_id);
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execute_stmt->set_prepare_type(ps_type);
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}
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}
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}
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//resolver variable
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if(OB_SUCC(ret)) {
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if (NULL == parse_tree.children_[1]) {
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//do nothing
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} else if (parse_tree.children_[1]->type_ != T_ARGUMENT_LIST) {
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ret = OB_INVALID_ARGUMENT;
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LOG_WARN("invalid argument", K(parse_tree.children_[1]->type_), K(ret));
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} else {
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ParseNode *arguments = parse_tree.children_[1];
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for(int32_t i = 0; OB_SUCC(ret) && i < arguments->num_child_; ++i) {
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if (OB_ISNULL(arguments->children_[i])) {
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ret = OB_INVALID_ARGUMENT;
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LOG_WARN("invalid argument", K(arguments->children_[i]), K(ret));
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} else {
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ObRawExpr *param_expr = NULL;
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if (OB_FAIL(ObResolverUtils::resolve_const_expr(params_, *arguments->children_[i], param_expr, NULL))) {
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LOG_WARN("failed to resolve const expr", K(ret));
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} else if (OB_FAIL(execute_stmt->add_param(param_expr))) {
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LOG_WARN("failed to add param", K(ret));
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} else { /*do nothing*/ }
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}
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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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} // namespace sql
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} // namespace oceanbase
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