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[FEAT MERGE] log4200

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Co-authored-by: zhjc1124 <zhjc1124@gmail.com>
Co-authored-by: BinChenn <binchenn.bc@gmail.com>
Co-authored-by: oceanoverflow <oceanoverflow@gmail.com>
This commit is contained in:
obdev
2023-05-06 08:15:43 +00:00
committed by ob-robot
parent f0fdf277f1
commit d6c6e05727
450 changed files with 33015 additions and 2243 deletions
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615
src/share/ob_log_restore_proxy.cpp Normal file
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/**
* 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 SHARE
#include "ob_log_restore_proxy.h"
#include "lib/ob_define.h"
#include "lib/ob_errno.h"
#include "lib/utility/ob_macro_utils.h"
#include "lib/oblog/ob_log_module.h"
#include "lib/net/ob_addr.h"
#include "observer/ob_sql_client_decorator.h" //ObSQLClientRetryWeak
#include "common/ob_smart_var.h"
#include "lib/mysqlclient/ob_mysql_connection_pool.h"
#include "lib/mysqlclient/ob_mysql_result.h"
#include "lib/string/ob_sql_string.h"
#include "lib/string/ob_string.h"
#include "share/inner_table/ob_inner_table_schema_constants.h"
#include "share/backup/ob_backup_struct.h" // COMPATIBILITY_MODE
#include "share/ob_thread_mgr.h"
#include "logservice/palf/palf_options.h"
#include "share/oracle_errno.h"
namespace oceanbase
{
namespace share
{
#define RESTORE_PROXY_USER_ERROR(args) \
switch (ret) { \
case -ER_TABLEACCESS_DENIED_ERROR: \
case -OER_TABLE_OR_VIEW_NOT_EXIST: \
LOG_USER_ERROR(OB_INVALID_ARGUMENT, "get primary " args ", privilege is insufficient"); \
break; \
case -ER_ACCESS_DENIED_ERROR: \
LOG_USER_ERROR(OB_INVALID_ARGUMENT, "get primary " args ", please check the user and password"); \
break; \
case -ER_DBACCESS_DENIED_ERROR: \
case OB_ERR_NO_LOGIN_PRIVILEGE: \
LOG_USER_ERROR(OB_INVALID_ARGUMENT, "get primary " args ", please check the privileges"); \
break; \
case OB_ERR_NULL_VALUE: \
LOG_USER_ERROR(OB_INVALID_ARGUMENT, "get primary " args ", primary may not be ready"); \
break; \
case -ER_CONNECT_FAILED: \
LOG_USER_ERROR(OB_INVALID_ARGUMENT, "get primary " args ", please check the network"); \
break; \
default: \
LOG_USER_ERROR(OB_INVALID_ARGUMENT, "get primary " args); \
} \
ObLogRestoreMySQLProvider::ObLogRestoreMySQLProvider() : server_list_() {}
ObLogRestoreMySQLProvider::~ObLogRestoreMySQLProvider()
{
server_list_.reset();
}
int ObLogRestoreMySQLProvider::init(const common::ObIArray<common::ObAddr> &server_list)
{
return set_restore_source_server(server_list);
}
int ObLogRestoreMySQLProvider::set_restore_source_server(const common::ObIArray<common::ObAddr> &server_list)
{
int ret = OB_SUCCESS;
if (OB_UNLIKELY(server_list.count() <= 0)) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invalid argument", K(server_list));
} else if (OB_FAIL(server_list_.assign(server_list))) {
LOG_WARN("server_list assign failed", K(server_list));
}
return ret;
}
void ObLogRestoreMySQLProvider::destroy()
{
server_list_.reset();
}
int ObLogRestoreMySQLProvider::get_server(const int64_t svr_idx, common::ObAddr &server)
{
int ret = OB_SUCCESS;
if (OB_UNLIKELY(svr_idx < 0 || svr_idx >= server_list_.count())) {
ret = OB_INVALID_INDEX;
LOG_WARN("get_server invalid index", K(svr_idx));
} else {
server = server_list_.at(svr_idx);
}
return ret;
}
int64_t ObLogRestoreMySQLProvider::get_server_count() const
{
return server_list_.count();
}
int ObLogRestoreMySQLProvider::get_tenant_ids(ObIArray<uint64_t> &tenant_ids)
{
int ret = OB_SUCCESS;
tenant_ids.reset();
return ret;
}
int ObLogRestoreMySQLProvider::get_tenant_servers(const uint64_t tenant_id, ObIArray<ObAddr> &tenant_servers)
{
UNUSED(tenant_id);
int ret = OB_SUCCESS;
tenant_servers.reset();
return ret;
}
int ObLogRestoreMySQLProvider::refresh_server_list(void)
{
return OB_SUCCESS;
}
int ObLogRestoreMySQLProvider::prepare_refresh()
{
return OB_SUCCESS;
}
int ObLogRestoreMySQLProvider::end_refresh()
{
return OB_SUCCESS;
}
int ObLogRestoreConnectionPool::init(const common::ObIArray<common::ObAddr> &server_list,
const char *user_name,
const char *user_password,
const char *db_name)
{
int ret = OB_SUCCESS;
if (OB_UNLIKELY(server_list.count() <= 0)
|| OB_ISNULL(user_name)
|| OB_ISNULL(user_password)
|| OB_ISNULL(db_name)) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invalid argument", K(server_list), K(user_name), K(user_password), K(db_name));
} else if (OB_FAIL(set_db_param(user_name, user_password, db_name))) {
LOG_WARN("set db param failed", K(user_name), K(user_password), K(db_name));
} else {
for (int64_t i = 0; i < server_list.count() && OB_SUCC(ret); i++) {
ret = create_server_connection_pool(server_list.at(i));
}
}
if (OB_FAIL(ret)) {
destroy();
}
return ret;
}
void ObLogRestoreConnectionPool::destroy()
{
common::sqlclient::ObMySQLConnectionPool::stop();
common::sqlclient::ObMySQLConnectionPool::close_all_connection();
}
ObLogRestoreProxyUtil::ObLogRestoreProxyUtil() :
inited_(false),
tenant_id_(OB_INVALID_TENANT_ID),
tg_id_(-1),
server_prover_(),
connection_(),
user_name_(),
user_password_(),
db_name_(),
sql_proxy_()
{}
ObLogRestoreProxyUtil::~ObLogRestoreProxyUtil()
{
destroy();
}
int ObLogRestoreProxyUtil::init(const uint64_t tenant_id,
const common::ObIArray<common::ObAddr> &server_list,
const char *user_name,
const char *user_password,
const char *db_name)
{
int ret = OB_SUCCESS;
if (OB_UNLIKELY(inited_)) {
ret = OB_INIT_TWICE;
LOG_WARN("ObLogRestoreProxyUtil already init", K(inited_));
} else if (OB_UNLIKELY(!is_user_tenant(tenant_id))
|| OB_UNLIKELY(server_list.count() <= 0)
|| OB_ISNULL(user_name)
|| OB_ISNULL(user_password)
|| OB_ISNULL(db_name)) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invalid argument", K(tenant_id), K(server_list),
K(user_name), K(user_password), K(db_name));
} else if (OB_FAIL(server_prover_.init(server_list))) {
LOG_WARN("server_prover_ init failed", K(tenant_id), K(server_list));
} else if (FALSE_IT(connection_.set_server_provider(&server_prover_))) {
} else if (TG_CREATE_TENANT(lib::TGDefIDs::LogMysqlPool, tg_id_)) {
LOG_ERROR("create connection pool timer pool failed");
} else if (OB_FAIL(TG_START(tg_id_))) {
LOG_ERROR("TG_START failed");
} else if (OB_FAIL(connection_.init(server_list, user_name, user_password, db_name))) {
LOG_WARN("connection init failed");
} else if (OB_FAIL(connection_.start(tg_id_))) {
LOG_ERROR("start connection pool fail");
} else if (!sql_proxy_.is_inited() && OB_FAIL(sql_proxy_.init(&connection_))) {
LOG_WARN("sql_proxy_ init failed");
} else if (OB_FAIL(user_name_.assign(user_name))) {
LOG_WARN("user_name_ assign failed", K(user_name));
} else if (OB_FAIL(user_password_.assign(user_password))) {
LOG_WARN("user_password_ assign failed", K(user_password));
} else {
tenant_id_ = tenant_id;
inited_ = true;
}
if (OB_FAIL(ret)) {
destroy();
}
return ret;
}
int ObLogRestoreProxyUtil::get_sql_proxy(common::ObMySQLProxy *&proxy)
{
int ret = OB_SUCCESS;
if (OB_UNLIKELY(!inited_)) {
ret = OB_NOT_INIT;
} else {
proxy = &sql_proxy_;
}
return ret;
}
void ObLogRestoreProxyUtil::destroy()
{
inited_ = false;
tenant_id_ = OB_INVALID_TENANT_ID;
connection_.stop();
TG_DESTROY(tg_id_);
connection_.destroy();
server_prover_.destroy();
user_name_.reset();
user_password_.reset();
db_name_.reset();
}
int ObLogRestoreProxyUtil::refresh_conn(const common::ObIArray<common::ObAddr> &addr_array,
const char *user_name,
const char *user_password,
const char *db_name)
{
int ret = OB_SUCCESS;
if (OB_UNLIKELY(!inited_)) {
ret = OB_NOT_INIT;
} else if (OB_UNLIKELY(addr_array.count() <= 0)
|| OB_ISNULL(user_name)
|| OB_ISNULL(user_password)
|| OB_ISNULL(db_name)) {
ret = OB_INVALID_ARGUMENT;
} else if (is_user_changed_(user_name, user_password, db_name)
&& OB_FAIL(connection_.set_db_param(user_name, user_password, db_name))) {
LOG_WARN("set db param failed", K(user_name), K(user_password), K(db_name));
} else if (OB_FAIL(server_prover_.set_restore_source_server(addr_array))) {
LOG_WARN("set_restore_source_server failed", K(addr_array));
} else {
ObString name(user_name);
ObString passwd(user_password);
ObString db(db_name);
LOG_INFO("print refresh_conn", K(name), K(passwd), K(db));
connection_.signal_refresh();
}
return ret;
}
int ObLogRestoreProxyUtil::try_init(const uint64_t tenant_id,
const common::ObIArray<common::ObAddr> &server_list,
const char *user_name,
const char *user_password)
{
int ret = OB_SUCCESS;
const char *MYSQL_DB = "OCEANBASE";
const char *ORACLE_DB = "SYS";
if (OB_SUCC(init(tenant_id, server_list, user_name, user_password, MYSQL_DB))) {
SMART_VAR(ObMySQLProxy::MySQLResult, result) {
ObSqlString sql;
if (OB_FAIL(sql.assign_fmt("SELECT 1"))) {
LOG_WARN("fail to generate sql");
} else if (OB_FAIL(sql_proxy_.read(result, sql.ptr()))) {
LOG_WARN("fail to execute sql", K(sql));
} else if (OB_ISNULL(result.get_result())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("query result is null", K(tenant_id), K(sql));
} else if (OB_FAIL(result.get_result()->next())) {
LOG_WARN("get result next failed", K(sql));
} else {
LOG_INFO("proxy connect to primary oceanabse db success");
}
}
}
if (OB_FAIL(ret) && (-ER_BAD_DB_ERROR == ret)) {
LOG_WARN("proxy connect to primary oceanbase db failed, then try connect to sys db");
(void)destroy();
if (OB_SUCC(init(tenant_id, server_list, user_name, user_password, ORACLE_DB))) {
SMART_VAR(ObMySQLProxy::MySQLResult, result) {
ObSqlString sql;
if (OB_FAIL(sql.assign_fmt("SELECT 1 FROM DUAL"))) {
LOG_WARN("fail to generate sql");
} else if (OB_FAIL(sql_proxy_.read(result, sql.ptr()))) {
LOG_WARN("fail to execute sql", K(sql));
} else if (OB_ISNULL(result.get_result())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("query result is null", K(tenant_id), K(sql));
} else if (OB_FAIL(result.get_result()->next())) {
LOG_WARN("get result next failed", K(sql));
} else {
LOG_INFO("proxy connect to sys db success");
}
}
}
}
if (OB_FAIL(ret)) {
LOG_WARN("proxy connect to primary db failed");
RESTORE_PROXY_USER_ERROR("connection");
}
return ret;
}
int ObLogRestoreProxyUtil::get_tenant_id(char *tenant_name, uint64_t &tenant_id)
{
int ret = OB_SUCCESS;
SMART_VAR(ObMySQLProxy::MySQLResult, result) {
ObSqlString sql;
if (OB_FAIL(sql.assign_fmt("SELECT TENANT_ID FROM %s WHERE TENANT_NAME='%s'",
OB_DBA_OB_TENANTS_TNAME, tenant_name))) {
LOG_WARN("fail to generate sql");
} else if (OB_FAIL(sql_proxy_.read(result, sql.ptr()))) {
LOG_WARN("fail to execute sql", K(sql), K(connection_.get_db_name()));
} else if (OB_ISNULL(result.get_result())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("query result is null", K(tenant_name), K(sql));
} else if (OB_FAIL(result.get_result()->next())) {
LOG_WARN("get result next failed", K(tenant_name), K(sql));
} else {
EXTRACT_UINT_FIELD_MYSQL(*result.get_result(), "TENANT_ID", tenant_id, uint64_t);
if (OB_FAIL(ret)) {
LOG_WARN("failed to get tenant id result", K(tenant_name), K(sql));
}
}
}
if (OB_FAIL(ret)) {
LOG_WARN("failed to get tenant id result");
RESTORE_PROXY_USER_ERROR("tenant id");
}
return ret;
}
int ObLogRestoreProxyUtil::get_cluster_id(uint64_t tenant_id, int64_t &cluster_id)
{
int ret = OB_SUCCESS;
SMART_VAR(ObMySQLProxy::MySQLResult, result) {
ObSqlString sql;
if (OB_FAIL(sql.assign_fmt("SELECT VALUE FROM %s WHERE NAME='cluster_id'", OB_GV_OB_PARAMETERS_TNAME))) {
LOG_WARN("fail to generate sql");
} else if (OB_FAIL(sql_proxy_.read(result, sql.ptr()))) {
LOG_WARN("fail to execute sql", K(sql));
} else if (OB_ISNULL(result.get_result())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("query result is null", K(sql));
} else if (OB_FAIL(result.get_result()->next())) {
LOG_WARN("get result next failed", K(tenant_id), K(sql));
} else {
EXTRACT_INT_FIELD_MYSQL(*result.get_result(), "VALUE", cluster_id, int64_t);
if (OB_FAIL(ret)) {
LOG_WARN("fail to get cluster id result", K(cluster_id), K(sql));
}
}
}
if (OB_FAIL(ret)) {
LOG_WARN("fail to get cluster id result");
RESTORE_PROXY_USER_ERROR("cluster id");
}
return ret;
}
int ObLogRestoreProxyUtil::get_compatibility_mode(const uint64_t tenant_id, ObCompatibilityMode &compat_mode)
{
int ret = OB_SUCCESS;
const char *MYSQL_STR = "MYSQL";
const char *ORACLE_STR = "ORACLE";
SMART_VAR(ObMySQLProxy::MySQLResult, result) {
ObSqlString sql;
if (OB_FAIL(sql.assign_fmt("SELECT COMPATIBILITY_MODE FROM %s WHERE TENANT_ID=%ld",
OB_DBA_OB_TENANTS_TNAME, tenant_id))) {
LOG_WARN("fail to generate sql", K(tenant_id));
} else if (OB_FAIL(sql_proxy_.read(result, sql.ptr()))) {
LOG_WARN("read value from DBA_OB_TENANTS failed", K(tenant_id), K(sql.ptr()));
} else if (OB_ISNULL(result.get_result())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("query result is null", K(tenant_id), K(sql));
} else if (OB_FAIL(result.get_result()->next())) {
LOG_WARN("get result next failed", K(tenant_id), K(sql));
} else {
ObString tmp_compat_mode;
char compact[OB_MAX_COMPAT_MODE_STR_LEN + 1] = { 0 };
EXTRACT_VARCHAR_FIELD_MYSQL(*result.get_result(), "COMPATIBILITY_MODE", tmp_compat_mode);
if (OB_FAIL(ret)) {
LOG_WARN("fail to get compact mode result", K(tenant_id), K(sql.ptr()));
RESTORE_PROXY_USER_ERROR("compatibility mode");
} else if (OB_FAIL(databuff_printf(compact, sizeof(compact), "%.*s",
static_cast<int>(tmp_compat_mode.length()), tmp_compat_mode.ptr()))) {
LOG_WARN("fail to print compact_mode", K(tmp_compat_mode.ptr()));
} else if (0 == STRCASECMP(compact, ORACLE_STR)) {
compat_mode = ObCompatibilityMode::ORACLE_MODE;
} else if (0 == STRCASECMP(compact, MYSQL_STR)) {
compat_mode = ObCompatibilityMode::MYSQL_MODE;
} else {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("compatibility mode is not expected");
}
}
}
return ret;
}
int ObLogRestoreProxyUtil::check_begin_lsn(const uint64_t tenant_id)
{
int ret = OB_SUCCESS;
if (!is_user_tenant(tenant_id)) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invalid argument", KR(ret), K(tenant_id));
} else {
SMART_VAR(ObMySQLProxy::MySQLResult, result) {
ObSqlString sql;
if (OB_FAIL(sql.assign_fmt("SELECT COUNT(*) AS CNT FROM %s OB_LS LEFT JOIN"
"(SELECT TENANT_ID, LS_ID, BEGIN_LSN FROM %s WHERE ROLE= 'LEADER') LOG_STAT "
"ON OB_LS.LS_ID = LOG_STAT.LS_ID "
"WHERE LOG_STAT.TENANT_ID = %lu AND (BEGIN_LSN IS NULL OR BEGIN_LSN != 0)"
"AND OB_LS.STATUS NOT IN ('TENANT_DROPPING', 'CREATE_ABORT', 'PRE_TENANT_DROPPING')",
OB_DBA_OB_LS_TNAME, OB_GV_OB_LOG_STAT_ORA_TNAME, tenant_id))) {
LOG_WARN("fail to generate sql", KR(ret), K(tenant_id));
} else if (OB_FAIL(sql_proxy_.read(result, sql.ptr()))) {
LOG_WARN("check_begin_lsn failed", KR(ret), K(tenant_id), K(sql));
} else if (OB_ISNULL(result.get_result())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("config result is null", KR(ret), K(tenant_id), K(sql));
} else if (OB_FAIL(result.get_result()->next())) {
LOG_WARN("get result next failed", KR(ret), K(tenant_id), K(sql));
} else if (OB_ISNULL(result.get_result())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("result is null", KR(ret), K(tenant_id), K(sql));
} else {
uint64_t cnt = 0;
EXTRACT_INT_FIELD_MYSQL(*result.get_result(), "CNT", cnt, uint64_t);
if (OB_FAIL(ret)) {
LOG_WARN("failed to get result", KR(ret), K(tenant_id), K(sql));
} else if (cnt > 0) {
ret = OB_OP_NOT_ALLOW;
LOG_WARN("primary tenant LS log may be recycled, create standby tenant is not allow", KR(ret), K(tenant_id), K(sql));
LOG_USER_ERROR(OB_OP_NOT_ALLOW, "primary tenant LS log may be recycled, create standby tenant is");
}
}
}
}
return ret;
}
int ObLogRestoreProxyUtil::get_server_ip_list(const uint64_t tenant_id, common::ObArray<common::ObAddr> &addrs)
{
int ret = OB_SUCCESS;
SMART_VAR(ObMySQLProxy::MySQLResult ,result) {
ObSqlString sql;
ObMySQLResult *res = NULL;
if (OB_FAIL(sql.assign_fmt("SELECT SVR_IP, SQL_PORT FROM %s WHERE TENANT_ID=%ld",
OB_DBA_OB_ACCESS_POINT_TNAME, tenant_id))) {
LOG_WARN("fail to generate sql");
} else if (OB_FAIL(sql_proxy_.read(result, OB_INVALID_TENANT_ID, sql.ptr()))) {
LOG_WARN("read value from DBA_OB_ACCESS_POINT failed", K(tenant_id), K(sql));
} else if (OB_ISNULL(res = result.get_result())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("query result is null", K(tenant_id), K(sql));
} else {
while (OB_SUCC(ret) && OB_SUCC(res->next())) {
ObString tmp_ip;
int32_t tmp_port;
ObAddr addr;
EXTRACT_VARCHAR_FIELD_MYSQL(*res, "SVR_IP", tmp_ip);
EXTRACT_INT_FIELD_MYSQL(*res, "SQL_PORT", tmp_port, int32_t);
if (OB_FAIL(ret)) {
LOG_WARN("fail to get server ip and sql port", K(tmp_ip), K(tmp_port), K(tenant_id), K(sql));
} else if (!addr.set_ip_addr(tmp_ip, tmp_port)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("fail to set addr", K(tmp_ip), K(tmp_port), K(tenant_id), K(sql));
} else if (!addr.is_valid()) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("addr is invalid", K(addr), K(tenant_id), K(sql));
} else if (OB_FAIL(addrs.push_back(addr))) {
LOG_WARN("fail to push back addr to addrs", K(addr), K(tenant_id), K(sql));
}
}
if (OB_ITER_END != ret) {
SERVER_LOG(WARN, "failed to get ip list", K(tenant_id));
} else {
ret = OB_SUCCESS;
}
}
}
return ret;
}
bool ObLogRestoreProxyUtil::is_user_changed_(const char *user_name, const char *user_password, const char *db_name)
{
return user_name_ != common::ObFixedLengthString<common::OB_MAX_USER_NAME_BUF_LENGTH>(user_name)
|| user_password_ != common::ObFixedLengthString<common::OB_MAX_PASSWORD_LENGTH + 1>(user_password)
|| db_name_ != common::ObFixedLengthString<common::OB_MAX_DATABASE_NAME_BUF_LENGTH>(db_name);
}
int ObLogRestoreProxyUtil::get_tenant_info(ObTenantRole &role, schema::ObTenantStatus &status)
{
int ret = OB_SUCCESS;
const char *TENANT_ROLE = "TENANT_ROLE";
const char *TENANT_STATUS = "STATUS";
common::ObMySQLProxy *proxy = &sql_proxy_;
if (OB_UNLIKELY(!inited_)) {
ret = OB_NOT_INIT;
} else {
SMART_VAR(common::ObMySQLProxy::MySQLResult, res) {
common::sqlclient::ObMySQLResult *result = NULL;
common::ObSqlString sql;
const char *GET_TENANT_INFO_SQL = "SELECT %s, %s FROM %s";
if (OB_FAIL(sql.append_fmt(GET_TENANT_INFO_SQL, TENANT_ROLE, TENANT_STATUS, OB_DBA_OB_TENANTS_TNAME))) {
LOG_WARN("append_fmt failed");
} else if (OB_FAIL(proxy->read(res, sql.ptr()))) {
LOG_WARN("excute sql failed", K(sql));
} else if (OB_ISNULL(result = res.get_result())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("get result failed", K(sql));
} else if (OB_FAIL(result->next())) {
LOG_WARN("next failed");
} else {
ObString status_str;
ObString role_str;
EXTRACT_VARCHAR_FIELD_MYSQL(*result, TENANT_ROLE, role_str);
EXTRACT_VARCHAR_FIELD_MYSQL(*result, TENANT_STATUS, status_str);
if (OB_SUCC(ret)) {
if (OB_FAIL(schema::get_tenant_status(status_str, status))) {
LOG_WARN("get tenant status failed");
} else {
role = ObTenantRole(role_str.ptr());
}
}
}
}
}
return ret;
}
int ObLogRestoreProxyUtil::get_max_log_info(const ObLSID &id, palf::AccessMode &mode, SCN &scn)
{
int ret = OB_SUCCESS;
const char *LS_ID = "LS_ID";
const char *MAX_SCN = "MAX_SCN";
const char *ACCESS_MODE = "ACCESS_MODE";
common::ObMySQLProxy *proxy = &sql_proxy_;
if (OB_UNLIKELY(!inited_)) {
ret = OB_NOT_INIT;
} else if (OB_UNLIKELY(!id.is_valid())) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invlaid argument", K(id));
} else {
SMART_VAR(common::ObMySQLProxy::MySQLResult, res) {
common::sqlclient::ObMySQLResult *result = NULL;
common::ObSqlString sql;
const char *GET_MAX_LOG_INFO_SQL = "SELECT %s, %s, %s FROM %s WHERE %s=%ld and ROLE = 'LEADER'";
if (OB_FAIL(sql.append_fmt(GET_MAX_LOG_INFO_SQL, LS_ID, MAX_SCN, ACCESS_MODE,
OB_GV_OB_LOG_STAT_TNAME, LS_ID, id.id()))) {
LOG_WARN("append_fmt failed");
} else if (OB_FAIL(proxy->read(res, sql.ptr()))) {
LOG_WARN("excute sql failed", K(sql));
} else if (OB_ISNULL(result = res.get_result())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("get result failed", K(sql));
} else if (OB_FAIL(result->next())) {
LOG_WARN("next failed");
} else {
uint64_t max_scn = 0;
ObString access_mode_str;
EXTRACT_VARCHAR_FIELD_MYSQL(*result, ACCESS_MODE, access_mode_str);
EXTRACT_UINT_FIELD_MYSQL(*result, MAX_SCN, max_scn, uint64_t);
if (OB_SUCC(ret) && OB_FAIL(palf::get_access_mode(access_mode_str, mode))) {
LOG_WARN("get_access_mode failed", K(id), K(access_mode_str));
}
if (OB_SUCC(ret) && OB_FAIL(scn.convert_for_logservice(max_scn))) {
LOG_WARN("convert_for_logservice failed", K(id), K(max_scn));
}
}
}
}
return ret;
}
} // namespace share
} // namespace oceanbase