246 lines
7.5 KiB
C++
246 lines
7.5 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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#include "observer/virtual_table/ob_all_virtual_session_stat.h"
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using namespace oceanbase::common;
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namespace oceanbase
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{
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namespace observer
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{
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ObAllVirtualSessionStat::ObAllVirtualSessionStat()
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: ObVirtualTableScannerIterator(),
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session_status_(),
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addr_(NULL),
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ipstr_(),
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port_(0),
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session_iter_(0),
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stat_iter_(0),
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collect_(NULL)
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{
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}
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ObAllVirtualSessionStat::~ObAllVirtualSessionStat()
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{
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reset();
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}
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void ObAllVirtualSessionStat::reset()
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{
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ObVirtualTableScannerIterator::reset();
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addr_ = NULL;
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port_ = 0;
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session_iter_ = 0;
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stat_iter_ = 0;
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ipstr_.reset();
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session_status_.reset();
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collect_ = NULL;
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}
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int ObAllVirtualSessionStat::set_ip(common::ObAddr *addr)
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{
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int ret = OB_SUCCESS;
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char ipbuf[common::OB_IP_STR_BUFF];
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if (NULL == addr){
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ret = OB_ENTRY_NOT_EXIST;
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} else if (!addr_->ip_to_string(ipbuf, sizeof(ipbuf))) {
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SERVER_LOG(ERROR, "ip to string failed");
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ret = OB_ERR_UNEXPECTED;
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} else {
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ipstr_ = ObString::make_string(ipbuf);
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if (OB_FAIL(ob_write_string(*allocator_, ipstr_, ipstr_))) {
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SERVER_LOG(WARN, "failed to write string", K(ret));
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}
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port_ = addr_->get_port();
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}
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return ret;
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}
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int ObAllVirtualSessionStat::get_all_diag_info()
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{
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int ret = OB_SUCCESS;
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if (OB_SUCCESS != (ret = ObDISessionCache::get_instance().get_all_diag_info(session_status_))) {
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SERVER_LOG(WARN, "Fail to get session status, ", K(ret));
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}
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return ret;
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}
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int ObAllVirtualSessionStat::inner_get_next_row(ObNewRow *&row)
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{
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int ret = OB_SUCCESS;
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ObObj *cells = cur_row_.cells_;
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if (OB_UNLIKELY(NULL == allocator_)) {
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ret = OB_NOT_INIT;
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SERVER_LOG(WARN, "allocator is NULL", K(ret));
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} else {
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const int64_t col_count = output_column_ids_.count();
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if (0 == session_iter_ && 0 == stat_iter_) {
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if (OB_SUCCESS != (ret = set_ip(addr_))){
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SERVER_LOG(WARN, "can't get ip", K(ret));
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} else if (OB_SUCCESS != (ret = get_all_diag_info())) {
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SERVER_LOG(WARN, "can't get session status", K(ret));
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}
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}
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if (0 == stat_iter_) {
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while (OB_SUCCESS == ret && session_iter_ < session_status_.count()) {
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collect_ = session_status_.at(session_iter_).second;
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if (NULL != collect_ && OB_SUCCESS == collect_->lock_.try_rdlock()) {
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const uint64_t tenant_id = collect_->base_value_.get_tenant_id();
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if (session_status_.at(session_iter_).first == collect_->session_id_
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&& (is_sys_tenant(effective_tenant_id_) || tenant_id == effective_tenant_id_)) {
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break;
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} else {
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session_iter_++;
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collect_->lock_.unlock();
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}
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} else {
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session_iter_++;
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}
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}
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}
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while (OB_SUCCESS == ret && stat_iter_ < ObStatEventIds::STAT_EVENT_SET_END && session_iter_ < session_status_.count()) {
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if (!OB_STAT_EVENTS[stat_iter_].summary_in_session_) {
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stat_iter_++;
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if (OB_NOT_NULL(collect_) && ObStatEventIds::STAT_EVENT_SET_END == stat_iter_) {
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stat_iter_ = 0;
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session_iter_++;
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collect_->lock_.unlock();
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while (OB_SUCCESS == ret && session_iter_ < session_status_.count()) {
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collect_ = session_status_.at(session_iter_).second;
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if (NULL != collect_ && OB_SUCCESS == collect_->lock_.try_rdlock()) {
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if (session_status_.at(session_iter_).first == collect_->session_id_) {
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break;
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} else {
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session_iter_++;
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collect_->lock_.unlock();
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}
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} else {
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session_iter_++;
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}
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}
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}
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} else {
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break;
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}
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}
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if (OB_SUCCESS == ret && session_iter_ >= session_status_.count()) {
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ret = OB_ITER_END;
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}
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if (OB_SUCCESS == ret && NULL == collect_) {
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ret = OB_ERR_UNEXPECTED;
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SERVER_LOG(WARN, "collect_ is null", K(ret));
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}
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if (OB_SUCCESS == ret) {
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for (int64_t cell_idx = 0; OB_SUCC(ret) && cell_idx < col_count; ++cell_idx) {
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uint64_t col_id = output_column_ids_.at(cell_idx);
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switch(col_id) {
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case SESSION_ID: {
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cells[cell_idx].set_int(collect_->session_id_);
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break;
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}
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case TENANT_ID: {
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cells[cell_idx].set_int(collect_->base_value_.get_tenant_id());
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break;
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}
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case SVR_IP: {
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cells[cell_idx].set_varchar(ipstr_);
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cells[cell_idx].set_collation_type(ObCharset::get_default_collation(ObCharset::get_default_charset()));
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break;
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}
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case SVR_PORT: {
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cells[cell_idx].set_int(port_);
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break;
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}
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case STATISTIC: {
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if (stat_iter_ < ObStatEventIds::STAT_EVENT_ADD_END) {
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cells[cell_idx].set_int(stat_iter_);
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} else {
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cells[cell_idx].set_int(stat_iter_ - 1);
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}
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break;
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}
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case VALUE: {
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if (stat_iter_ < ObStatEventIds::STAT_EVENT_ADD_END) {
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ObStatEventAddStat *stat = collect_->base_value_.get_add_stat_stats().get(stat_iter_);
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if (NULL == stat) {
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ret = OB_INVALID_ARGUMENT;
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SERVER_LOG(WARN, "The argument is invalid, ", K(stat_iter_), K(ret));
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} else {
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cells[cell_idx].set_int(stat->stat_value_);
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}
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} else {
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cells[cell_idx].set_int(0);
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}
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break;
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}
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case CAN_VISIBLE: {
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cells[cell_idx].set_bool(OB_STAT_EVENTS[stat_iter_].can_visible_);
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break;
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}
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default: {
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collect_->lock_.unlock();
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ret = OB_ERR_UNEXPECTED;
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SERVER_LOG(WARN, "invalid column id", K(ret), K(cell_idx),
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K(output_column_ids_), K(col_id));
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break;
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}
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}
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}
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}
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if (OB_SUCC(ret)) {
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stat_iter_++;
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row = &cur_row_;
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if (stat_iter_ >= ObStatEventIds::STAT_EVENT_SET_END) {
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stat_iter_ = 0;
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session_iter_++;
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collect_->lock_.unlock();
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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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int ObAllVirtualSessionStatI1::get_all_diag_info()
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{
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int ret = OB_SUCCESS;
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int64_t index_id = -1;
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uint64_t key = 0;
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std::pair<uint64_t, common::ObDISessionCollect*> pair;
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for (int64_t i = 0; OB_SUCC(ret) && i < get_index_ids().count(); ++i) {
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index_id = get_index_ids().at(i);
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if (0 < index_id) {
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key = static_cast<uint64_t>(index_id);
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pair.first = key;
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if (OB_SUCCESS != (ret = ObDISessionCache::get_instance().get_the_diag_info(key, pair.second))) {
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if (OB_ENTRY_NOT_EXIST == ret) {
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ret = OB_SUCCESS;
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} else {
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SERVER_LOG(WARN, "Fail to get session status, ", K(ret));
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}
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} else {
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if (OB_SUCCESS != (ret = session_status_.push_back(pair))) {
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SERVER_LOG(WARN, "Fail to push diag info value to array, ", K(ret));
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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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}/* ns observer*/
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}/* ns oceanbase */
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