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oceanbase/src/share/ob_get_compat_mode.cpp

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/**
* Copyright (c) 2021 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 "lib/mysqlclient/ob_isql_connection_pool.h"
#include "lib/mysqlclient/ob_mysql_connection.h"
#include "lib/mysqlclient/ob_isql_connection_pool.h"
#include "lib/mysqlclient/ob_mysql_proxy.h"
#include "lib/mysqlclient/ob_mysql_result.h"
#include "lib/string/ob_sql_string.h"
#include "share/ob_get_compat_mode.h"
#include "share/inner_table/ob_inner_table_schema_constants.h"
#include "share/schema/ob_schema_service_sql_impl.h"
#include "observer/ob_server_struct.h"
#include "observer/omt/ob_multi_tenant.h"
using namespace oceanbase::common;
using namespace oceanbase::sql;
using namespace oceanbase::share;
using namespace oceanbase::common::sqlclient;
using namespace oceanbase::share::schema;
ObCompatModeGetter::ObCompatModeGetter() :
id_mode_map_(),
sql_proxy_(NULL),
is_inited_(false),
is_obcdc_direct_fetching_archive_log_mode_(false)
{
}
ObCompatModeGetter::~ObCompatModeGetter()
{
destroy();
}
ObCompatModeGetter &ObCompatModeGetter::instance()
{
static ObCompatModeGetter the_compat_mode_getter;
return the_compat_mode_getter;
}
int ObCompatModeGetter::get_tenant_mode(const uint64_t tenant_id, lib::Worker::CompatMode& mode)
{
return instance().get_tenant_compat_mode(tenant_id, mode);
}
int ObCompatModeGetter::get_table_compat_mode(
const uint64_t tenant_id,
const int64_t table_id,
lib::Worker::CompatMode& mode)
{
int ret = OB_SUCCESS;
if (OB_UNLIKELY(
OB_INVALID_TENANT_ID == tenant_id
|| table_id <= 0)) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invalid tenant_id or table_id", KR(ret), K(tenant_id), K(table_id));
} else if (is_ls_reserved_table(table_id)) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("table id cannot be ls inner table id", KR(ret), K(tenant_id), K(table_id));
} else if (is_inner_table(table_id)) {
mode = (is_ora_virtual_table(table_id)
|| is_ora_sys_view_table(table_id)) ?
lib::Worker::CompatMode::ORACLE :
lib::Worker::CompatMode::MYSQL;
} else {
ret = instance().get_tenant_compat_mode(tenant_id, mode);
}
return ret;
}
int ObCompatModeGetter::get_tablet_compat_mode(
const uint64_t tenant_id,
const common::ObTabletID &tablet_id,
lib::Worker::CompatMode& mode)
{
int ret = OB_SUCCESS;
if (OB_UNLIKELY(
OB_INVALID_TENANT_ID == tenant_id
|| !tablet_id.is_valid())) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invalid tenant_id or tablet_id", KR(ret), K(tenant_id), K(tablet_id));
} else if (tablet_id.is_sys_tablet()) {
mode = lib::Worker::CompatMode::MYSQL;
} else {
ret = instance().get_tenant_compat_mode(tenant_id, mode);
}
return ret;
}
int ObCompatModeGetter::check_is_oracle_mode_with_tenant_id(const uint64_t tenant_id, bool &is_oracle_mode)
{
int ret = OB_SUCCESS;
is_oracle_mode = false;
lib::Worker::CompatMode compat_mode = lib::Worker::CompatMode::INVALID;
if (OB_FAIL(instance().get_tenant_compat_mode(tenant_id, compat_mode))) {
LOG_WARN("fail to get tenant mode", K(ret));
} else if (lib::Worker::CompatMode::ORACLE == compat_mode) {
is_oracle_mode = true;
} else if (lib::Worker::CompatMode::MYSQL == compat_mode) {
is_oracle_mode = false;
} else {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("compat_mode should not be INVALID.", K(ret));
}
return ret;
}
int ObCompatModeGetter::check_is_oracle_mode_with_table_id(
const uint64_t tenant_id,
const int64_t table_id,
bool &is_oracle_mode)
{
int ret = OB_SUCCESS;
is_oracle_mode = false;
lib::Worker::CompatMode compat_mode = lib::Worker::CompatMode::INVALID;
if (OB_FAIL(instance().get_table_compat_mode(tenant_id, table_id, compat_mode))) {
LOG_WARN("fail to get tenant mode", KR(ret), K(tenant_id), K(table_id));
} else if (lib::Worker::CompatMode::ORACLE == compat_mode) {
is_oracle_mode = true;
} else if (lib::Worker::CompatMode::MYSQL == compat_mode) {
is_oracle_mode = false;
} else {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("compat_mode should not be INVALID", KR(ret), K(tenant_id), K(table_id));
}
return ret;
}
int ObCompatModeGetter::init(common::ObMySQLProxy *proxy)
{
int ret = OB_SUCCESS;
ObMemAttr attr(OB_SERVER_TENANT_ID,
ObModIds::OB_HASH_BUCKET_TENANT_COMPAT_MODE);
SET_USE_500(attr);
if (IS_INIT) {
ret = OB_INIT_TWICE;
} else if (OB_FAIL(id_mode_map_.create(bucket_num,
attr))) {
LOG_WARN("create hash table failed", K(ret));
} else {
sql_proxy_ = proxy;
is_obcdc_direct_fetching_archive_log_mode_ = false;
is_inited_ = true;
}
return ret;
}
int ObCompatModeGetter::init_for_obcdc()
{
int ret = OB_SUCCESS;
if (IS_INIT) {
ret = OB_INIT_TWICE;
} else if (OB_FAIL(id_mode_map_.create(bucket_num,
ObModIds::OB_HASH_BUCKET_TENANT_COMPAT_MODE,
ObModIds::OB_HASH_NODE_TENANT_COMPAT_MODE))) {
LOG_WARN("create hash table failed", K(ret));
} else {
is_obcdc_direct_fetching_archive_log_mode_ = true;
is_inited_ = true;
}
return ret;
}
void ObCompatModeGetter::destroy()
{
if (IS_INIT) {
id_mode_map_.destroy();
}
}
int ObCompatModeGetter::get_tenant_compat_mode(const uint64_t tenant_id, lib::Worker::CompatMode &mode)
{
int ret = OB_SUCCESS;
ObCompatibilityMode tmp_mode = ObCompatibilityMode::MYSQL_MODE;
if (OB_UNLIKELY(OB_INVALID_ID == tenant_id)) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("tenant id is invalid", K(ret), K(tenant_id), K(lbt()));
} else if (OB_SYS_TENANT_ID == tenant_id) {
mode = lib::Worker::CompatMode::MYSQL;
} else if (OB_GTS_TENANT_ID == tenant_id) {
mode = lib::Worker::CompatMode::MYSQL;
} else if (is_meta_tenant(tenant_id)) {
mode = lib::Worker::CompatMode::MYSQL;
} else if (OB_HASH_NOT_EXIST == (ret = id_mode_map_.get_refactored(tenant_id, mode))) {
if (is_obcdc_direct_fetching_archive_log_mode_) {
// do nothing, return OB_HASH_NOT_EXIST
} else {
bool is_exist = false;
int overwrite = 1;
if (! ObSchemaService::g_liboblog_mode_) {
//先从本地tenant信息里拿
if (OB_FAIL(GCTX.omt_->get_compat_mode(tenant_id, mode))) {
if (ret != OB_TENANT_NOT_IN_SERVER) {
LOG_WARN("failed to get compat mode", K(ret), K(tenant_id));
} else {
ret = OB_SUCCESS;
}
} else {
is_exist = true;
ret = id_mode_map_.set_refactored(tenant_id, mode, overwrite);
}
} else {
ret = OB_SUCCESS;
}
//如果本地拿不到，再去schema里拿
if (OB_SUCC(ret) && !is_exist) {
if (OB_ISNULL(sql_proxy_)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("sql_proxy is null", K(ret), K(lbt()));
} else if (OB_FAIL(ObSchemaServiceSQLImpl::fetch_tenant_compat_mode(*sql_proxy_, tenant_id, tmp_mode))) {
LOG_WARN("failed to fetch tenant compat mode", K(ret), K(tenant_id), K(lbt()));
} else {
if (tmp_mode == ObCompatibilityMode::MYSQL_MODE) {
mode = lib::Worker::CompatMode::MYSQL;
ret = id_mode_map_.set_refactored(tenant_id, mode, overwrite);
} else if (tmp_mode == ObCompatibilityMode::ORACLE_MODE) {
mode = lib::Worker::CompatMode::ORACLE;
ret = id_mode_map_.set_refactored(tenant_id, mode, overwrite);
} else {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("unexpected compat mode", K(tmp_mode), K(ret), K(lbt()));
}
}
}
}
}
return ret;
}
// only for unittest
int ObCompatModeGetter::set_tenant_compat_mode(const uint64_t tenant_id, lib::Worker::CompatMode &mode)
{
int ret = OB_SUCCESS;
int overwrite = 1;
if (OB_UNLIKELY(OB_INVALID_ID == tenant_id)) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("tenant id is invalid", K(ret), K(tenant_id));
} else if (lib::Worker::CompatMode::MYSQL != mode &&
lib::Worker::CompatMode::ORACLE != mode) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invalid tenant compat mode", K(ret), K(tenant_id), K(mode));
} else if (OB_FAIL(id_mode_map_.set_refactored(tenant_id, mode, overwrite))) {
LOG_WARN("fail to set tenant compat mode", K(ret), K(tenant_id), K(mode));
}
return ret;
}
int ObCompatModeGetter::reset_compat_getter_map()
{
int ret = OB_SUCCESS;
if (!IS_INIT) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("compat mode geter do not init, can not reset map", K(ret));
} else if (OB_FAIL(id_mode_map_.reuse())) {
LOG_WARN("fail to reuse id mode map", K(ret));
}
return ret;
}
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