Files
oceanbase/src/sql/plan_cache/ob_i_lib_cache_object.cpp
stdliu f8c5c2647f [FEAT MERGE] Merge syslog user experience improvement to master
Co-authored-by: Charles0429 <xiezhenjiang@gmail.com>
Co-authored-by: tino247 <tino247@126.com>
Co-authored-by: chaser-ch <chaser.ch@antgroup.com>
2023-02-06 15:52:24 +08:00

125 lines
3.4 KiB
C++

/**
* 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 SQL_PC
#include "sql/plan_cache/ob_i_lib_cache_object.h"
#include "sql/plan_cache/ob_plan_cache.h"
using namespace oceanbase::common;
using namespace oceanbase::share::schema;
namespace oceanbase
{
namespace sql
{
ObILibCacheObject::ObILibCacheObject(ObLibCacheNameSpace ns, lib::MemoryContext &mem_context)
: mem_context_(mem_context),
allocator_(mem_context->get_safe_arena_allocator()),
ref_count_(0),
object_id_(OB_INVALID_ID),
log_del_time_(INT64_MAX),
added_to_lc_(false),
ns_(ns),
tenant_id_(OB_INVALID_ID),
dynamic_ref_handle_(MAX_HANDLE),
obj_status_(ObILibCacheObject::ACTIVE)
{
}
void ObILibCacheObject::reset()
{
ref_count_ = 0;
object_id_ = OB_INVALID_ID;
log_del_time_ = INT64_MAX;
added_to_lc_ = false;
ns_ = NS_INVALID;
tenant_id_ = OB_INVALID_ID;
dynamic_ref_handle_ = MAX_HANDLE;
obj_status_ = ObILibCacheObject::ACTIVE;
}
void ObILibCacheObject::dump_deleted_log_info(const bool is_debug_log /* = true */) const
{
if (is_debug_log) {
SQL_PC_LOG_RET(WARN, OB_SUCCESS, "Dumping Cache Deleted Info",
K(object_id_),
K(tenant_id_),
K(added_to_lc_),
K(ns_),
K(get_ref_count()),
K(log_del_time_),
K(this));
} else {
SQL_PC_LOG(INFO, "Dumping Cache Deleted Info",
K(object_id_),
K(tenant_id_),
K(added_to_lc_),
K(ns_),
K(get_ref_count()),
K(log_del_time_),
K(this));
}
}
int ObILibCacheObject::before_cache_evicted()
{
int ret = OB_SUCCESS;
LOG_INFO("before_cache_evicted", K(this), KPC(this));
return ret;
}
int ObILibCacheObject::check_need_add_cache_obj_stat(ObILibCacheCtx &ctx, bool &need_real_add)
{
UNUSED(ctx);
int ret = OB_SUCCESS;
need_real_add = true;
return ret;
}
int ObILibCacheObject::update_cache_obj_stat(ObILibCacheCtx &ctx)
{
UNUSED(ctx);
int ret = OB_SUCCESS;
return ret;
}
int64_t ObILibCacheObject::inc_ref_count(const CacheRefHandleID ref_handle)
{
int ret = OB_SUCCESS;
if (GCONF._enable_plan_cache_mem_diagnosis) {
ObPlanCache *lib_cache = MTL(ObPlanCache*);
if (OB_ISNULL(lib_cache)) {
LOG_ERROR("invalid null lib cache", K(ret));
} else {
lib_cache->get_ref_handle_mgr().record_ref_op(ref_handle);
}
}
return ATOMIC_AAF(&ref_count_, 1);
}
int64_t ObILibCacheObject::dec_ref_count(const CacheRefHandleID ref_handle)
{
int ret = OB_SUCCESS;
if (GCONF._enable_plan_cache_mem_diagnosis) {
ObPlanCache *lib_cache = MTL(ObPlanCache*);
if (OB_ISNULL(lib_cache)) {
LOG_ERROR("invalid null lib cache", K(ret));
} else {
lib_cache->get_ref_handle_mgr().record_deref_op(ref_handle);
}
}
return ATOMIC_SAF(&ref_count_, 1);
}
} // namespace common
} // namespace oceanbase