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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 SQL
#include "sql/ob_phy_table_location.h"
#include "sql/optimizer/ob_phy_table_location_info.h"
#include "observer/ob_server_struct.h"
using namespace oceanbase::common;
using namespace oceanbase::share;
namespace oceanbase
{
namespace sql
{
bool ObPhyTableLocation::compare_phy_part_loc_info_asc(const ObCandiTabletLoc *&left,
const ObCandiTabletLoc *&right)
{
bool is_less_than = false;
if (OB_ISNULL(left) || OB_ISNULL(right)) {
LOG_ERROR_RET(OB_INVALID_ARGUMENT, "phy part loc info ptr is NULL", K(left), K(right));
} else {
is_less_than = left->get_partition_location().get_partition_id()
< right->get_partition_location().get_partition_id();
}
return is_less_than;
}
bool ObPhyTableLocation::compare_phy_part_loc_info_desc(const ObCandiTabletLoc *&left,
const ObCandiTabletLoc *&right)
{
bool is_larger_than = false;
if (OB_ISNULL(left) || OB_ISNULL(right)) {
LOG_ERROR_RET(OB_INVALID_ARGUMENT, "phy part loc info ptr is NULL", K(left), K(right));
} else {
is_larger_than = left->get_partition_location().get_partition_id()
> right->get_partition_location().get_partition_id();
}
return is_larger_than;
}
//OB_SERIALIZE_MEMBER(ObPhyTableLocation, table_location_key_,
// ref_table_id_, part_loc_list_, partition_location_list_);
OB_DEF_SERIALIZE(ObPhyTableLocation)
{
int ret = OB_SUCCESS;
static ObPartitionLocationSEArray unused_part_loc_list;
LST_DO_CODE(OB_UNIS_ENCODE,
table_location_key_,
ref_table_id_,
unused_part_loc_list,
partition_location_list_,
duplicate_type_);
return ret;
}
OB_DEF_DESERIALIZE(ObPhyTableLocation)
{
int ret = OB_SUCCESS;
ObPartitionLocationSEArray unused_part_loc_list;
LST_DO_CODE(OB_UNIS_DECODE,
table_location_key_,
ref_table_id_,
unused_part_loc_list,
partition_location_list_,
duplicate_type_);
// build local index cache
if (OB_SUCC(ret)) {
if (OB_FAIL(try_build_location_idx_map())) {
LOG_WARN("fail build location idx map", K(ret));
}
}
return ret;
}
OB_DEF_SERIALIZE_SIZE(ObPhyTableLocation)
{
int64_t len = 0;
static ObPartitionLocationSEArray unused_part_loc_list;
LST_DO_CODE(OB_UNIS_ADD_LEN,
table_location_key_,
ref_table_id_,
unused_part_loc_list,
partition_location_list_,
duplicate_type_);
return len;
}
ObPhyTableLocation::ObPhyTableLocation()
: table_location_key_(OB_INVALID_ID),
ref_table_id_(OB_INVALID_ID),
partition_location_list_(),
duplicate_type_(ObDuplicateType::NOT_DUPLICATE)
{
}
void ObPhyTableLocation::reset()
{
table_location_key_ = OB_INVALID_ID;
ref_table_id_ = OB_INVALID_ID;
duplicate_type_ = ObDuplicateType::NOT_DUPLICATE;
partition_location_list_.reset();
}
int ObPhyTableLocation::assign(const ObPhyTableLocation &other)
{
int ret = OB_SUCCESS;
table_location_key_ = other.table_location_key_;
ref_table_id_ = other.ref_table_id_;
duplicate_type_ = other.duplicate_type_;
if (OB_FAIL(partition_location_list_.assign(other.partition_location_list_))) {
LOG_WARN("Failed to assign partition location list", K(ret));
}
return ret;
}
int ObPhyTableLocation::append(const ObPhyTableLocation &other)
{
int ret = OB_SUCCESS;
if (table_location_key_ != other.table_location_key_
|| ref_table_id_ != other.ref_table_id_
|| duplicate_type_ != other.duplicate_type_) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invalid argument", K(table_location_key_), K(other.table_location_key_),
K(ref_table_id_), K(other.ref_table_id_), K(other.duplicate_type_));
} else if (OB_FAIL(append_array_no_dup(partition_location_list_, other.partition_location_list_))) {
LOG_WARN("append array no dup failed", K(ret));
}
return ret;
}
int ObPhyTableLocation::add_partition_locations(const ObCandiTableLoc &phy_location_info)
{
int ret = OB_SUCCESS;
ObPartitionReplicaLocation part_replica_loc;
ObReplicaLocation replica_loc;
const ObCandiTabletLocIArray &phy_part_loc_info_list = phy_location_info.get_phy_part_loc_info_list();
// for (int64_t i = 0; OB_SUCC(ret) && i < phy_part_loc_info_list.count(); ++i) {
// part_replica_loc.reset();
// replica_loc.reset();
// const ObCandiTabletLoc &phy_part_loc_info = phy_part_loc_info_list.at(i);
// const ObOptTabletLoc &part_loc = phy_part_loc_info.get_partition_location();
// if (OB_FAIL(phy_part_loc_info.get_selected_replica(replica_loc))) {
// LOG_WARN("fail to get selected replica", K(ret), K(phy_part_loc_info));
// } else if (OB_FAIL(part_replica_loc.assign(part_loc.get_table_id(),
// part_loc.get_partition_id(),
// part_loc.get_partition_cnt(),
// replica_loc,
// part_loc.get_renew_time(),
// part_loc.get_pg_key()))) {
// LOG_WARN("fail to assin part replica loc", K(ret), K(part_loc), K(replica_loc));
// } else if (OB_FAIL(partition_location_list_.push_back(part_replica_loc))) {
// LOG_WARN("fail to push back part replica loc", K(ret), K(part_replica_loc));
// }
// }
return ret;
}
int ObPhyTableLocation::assign_from_phy_table_loc_info(const ObCandiTableLoc &other)
{
int ret = OB_SUCCESS;
ObSEArray<const ObCandiTabletLoc*, 2> phy_part_loc_info_sorted_list;
ObPartitionReplicaLocation part_replica_loc;
ObReplicaLocation replica_loc;
table_location_key_ = other.get_table_location_key();
ref_table_id_ = other.get_ref_table_id();
const ObCandiTabletLocIArray &phy_part_loc_info_list = other.get_phy_part_loc_info_list();
// if (other.get_direction() == UNORDERED) {
// if (OB_FAIL(partition_location_list_.reserve(phy_part_loc_info_list.count()))) {
// LOG_WARN("fail reserve memory", K(ret), K(phy_part_loc_info_list.count()));
// }
// for (int64_t i = 0; OB_SUCC(ret) && i < phy_part_loc_info_list.count(); ++i) {
// part_replica_loc.reset();
// replica_loc.reset();
// const ObCandiTabletLoc &phy_part_loc_info = phy_part_loc_info_list.at(i);
// const ObOptTabletLoc &part_loc = phy_part_loc_info.get_partition_location();
// if (OB_FAIL(phy_part_loc_info.get_selected_replica(replica_loc))) {
// LOG_WARN("fail to get selected replica", K(ret), K(phy_part_loc_info));
// } else if (OB_FAIL(part_replica_loc.assign(part_loc.get_table_id(),
// part_loc.get_partition_id(),
// part_loc.get_partition_cnt(),
// replica_loc,
// part_loc.get_renew_time(),
// part_loc.get_pg_key()))) {
// LOG_WARN("fail to assin part replica loc", K(ret), K(part_loc), K(replica_loc));
// } else if (OB_FAIL(partition_location_list_.push_back(part_replica_loc))) {
// LOG_WARN("fail to push back part replica loc", K(ret), K(part_replica_loc));
// }
// }
// } else {
// if (OB_FAIL(phy_part_loc_info_sorted_list.reserve(phy_part_loc_info_list.count()))) {
// LOG_WARN("fail reserve memory", K(ret), K(phy_part_loc_info_list.count()));
// } else if (OB_FAIL(partition_location_list_.reserve(phy_part_loc_info_list.count()))) {
// LOG_WARN("fail reserve memory", K(ret), K(phy_part_loc_info_list.count()));
// }
// for (int64_t i = 0; OB_SUCC(ret) && i < phy_part_loc_info_list.count(); ++i) {
// if (OB_FAIL(phy_part_loc_info_sorted_list.push_back(&phy_part_loc_info_list.at(i)))) {
// LOG_WARN("fail to push back phy part loc info", K(ret), K(phy_part_loc_info_list.at(i)), K(i));
// }
// }
// if (OB_SUCC(ret) && phy_part_loc_info_sorted_list.count() > 0) {
// //按照指定的direction顺序输出partition顺序.
// //目前依赖partition序代表range序.以后做分裂等复杂情况后，就需要依赖part_mgr(schema)来排序
// if (is_ascending_direction(other.get_direction())) {
// std::sort(&phy_part_loc_info_sorted_list.at(0),
// &phy_part_loc_info_sorted_list.at(0) + phy_part_loc_info_sorted_list.count(),
// ObPhyTableLocation::compare_phy_part_loc_info_asc);
// } else if (is_descending_direction(other.get_direction())) {
// std::sort(&phy_part_loc_info_sorted_list.at(0),
// &phy_part_loc_info_sorted_list.at(0) + phy_part_loc_info_sorted_list.count(),
// ObPhyTableLocation::compare_phy_part_loc_info_desc);
// } else {
// ret = OB_ERR_UNEXPECTED;
// LOG_ERROR("unexpected order", K(ret), K(other.get_direction()), K(other));
// }
// }
// for (int64_t i = 0; OB_SUCC(ret) && i < phy_part_loc_info_sorted_list.count(); ++i) {
// part_replica_loc.reset();
// replica_loc.reset();
// const ObCandiTabletLoc *phy_part_loc_info = phy_part_loc_info_sorted_list.at(i);
// if (OB_ISNULL(phy_part_loc_info)) {
// ret = OB_ERR_UNEXPECTED;
// LOG_ERROR("phy part loc info is NULL", K(ret), K(i));
// } else {
// const ObOptTabletLoc &part_loc = phy_part_loc_info->get_partition_location();
// if (OB_FAIL(phy_part_loc_info->get_selected_replica(replica_loc))) {
// LOG_WARN("fail to get selected replica", K(ret), K(*phy_part_loc_info));
// } else if (OB_FAIL(part_replica_loc.assign(part_loc.get_table_id(),
// part_loc.get_partition_id(),
// part_loc.get_partition_cnt(),
// replica_loc,
// part_loc.get_renew_time(),
// part_loc.get_pg_key()))) {
// LOG_WARN("fail to assin part replica loc", K(ret), K(part_loc), K(replica_loc));
// } else if (OB_FAIL(partition_location_list_.push_back(part_replica_loc))) {
// LOG_WARN("fail to push back part replica loc", K(ret), K(part_replica_loc));
// }
// }
// }
// }
if (OB_SUCC(ret)) {
set_duplicate_type(other.get_duplicate_type());
}
return ret;
}
int ObPhyTableLocation::add_partition_location(
const ObIArray<ObPartitionReplicaLocation> &partition_locations)
{
int ret = OB_SUCCESS;
int64_t N = partition_locations.count();
for (int64_t i = 0; OB_SUCC(ret) && i < N; ++i) {
if (OB_FAIL(add_partition_location(partition_locations.at(i)))) {
LOG_WARN("Fail to add partition_location to list");
}
}
return ret;
}
int ObPhyTableLocation::add_partition_location(
const ObPartitionReplicaLocation &partition_location)
{
int ret = OB_SUCCESS;
bool duplicated = false;
for (int64_t i = 0; OB_SUCC(ret) && !duplicated
&& i < partition_location_list_.count(); ++i) {
if (partition_location.get_table_id()
== partition_location_list_.at(i).get_table_id()
&& partition_location.get_partition_id()
== partition_location_list_.at(i).get_partition_id()) {
duplicated = true;
}
}
if (!duplicated) {
if (OB_FAIL(partition_location_list_.push_back(partition_location))) {
LOG_WARN("Fail to add partition location to list", K(ret), K(partition_location));
}
}
return ret;
}
const ObPartitionReplicaLocation *ObPhyTableLocation::get_part_replic_by_part_id(int64_t part_id) const
{
const ObPartitionReplicaLocation *ret = NULL;
int64_t i = 0;
if (OB_SUCCESS == get_location_idx_by_part_id(part_id, i)) {
ret = &partition_location_list_.at(i);
}
return ret;
}
const share::ObPartitionReplicaLocation *ObPhyTableLocation::get_part_replic_by_index(int64_t part_idx) const
{
const ObPartitionReplicaLocation *ret = NULL;
if (part_idx >= 0 && part_idx < partition_location_list_.count()) {
ret = &partition_location_list_.at(part_idx);
}
return ret;
}
int ObPhyTableLocation::try_build_location_idx_map()
{
int ret = OB_SUCCESS;
// if more than FAST_LOOKUP_LOC_IDX_SIZE_THRES partitions in a 'Task/SQC/Worker',
// build a hash map to accelerate lookup speed
if (OB_UNLIKELY(partition_location_list_.count() > FAST_LOOKUP_LOC_IDX_SIZE_THRES)) {
if (OB_FAIL(location_idx_map_.create(
partition_location_list_.count(), "LocIdxPerfMap", "LocIdxPerfMap"))) {
LOG_WARN("fail init location idx map", K(ret));
} else {
ARRAY_FOREACH(partition_location_list_, idx) {
// ObPartitionReplicaLocation
auto &item = partition_location_list_.at(idx);
if (OB_FAIL(location_idx_map_.set_refactored(item.get_partition_id(), idx))) {
LOG_WARN("fail set value to map", K(ret), K(item));
}
}
}
}
return ret;
}
int ObPhyTableLocation::get_location_idx_by_part_id(int64_t part_id, int64_t &loc_idx) const
{
int ret = OB_ENTRY_NOT_EXIST;
if (OB_UNLIKELY(location_idx_map_.size() > 0)) {
ret = location_idx_map_.get_refactored(part_id, loc_idx);
LOG_DEBUG("lookup location index from map", K(partition_location_list_.count()),
K(part_id), K(loc_idx), K(table_location_key_), K(ref_table_id_));
} else {
// single part table scan
for (int64_t idx = 0; idx < partition_location_list_.count(); ++idx) {
if (partition_location_list_.at(idx).get_partition_id() == part_id) {
loc_idx = idx;
ret = OB_SUCCESS;
break;
}
}
}
return ret;
}
// The reason for not using the remove interface is that
// the remove interface will not free the memory of the removed node.
// If the interface is called multiple times for anti-corruption,
// the problem of memory bloat will occur.
int ObPhyTableLocation::erase_partition_location(int64_t partition_id)
{
int ret = OB_SUCCESS;
ObPartitionReplicaLocationSEArray tmp_location_list;
int64_t N = partition_location_list_.count();
for (int64_t idx = N - 1; OB_SUCC(ret) && idx >= 0; --idx) {
if (partition_location_list_.at(idx).get_partition_id() != partition_id) {
if (OB_FAIL(tmp_location_list.push_back(partition_location_list_.at(idx)))) {
LOG_WARN("add partition location from list failed", K(ret), K(idx));
}
} else {
LOG_DEBUG("remove partition succ", K(idx), K(partition_id));
}
}
if (OB_SUCC(ret)) {
partition_location_list_.reset();
if (OB_FAIL(partition_location_list_.assign(tmp_location_list))) {
LOG_WARN("fail to assign partition location list", K(ret));
}
}
if (OB_SUCC(ret) && location_idx_map_.size() > 0) {
location_idx_map_.clear();
}
return ret;
}
}/* ns sql*/
}/* ns oceanbase */