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oceanbase/src/sql/optimizer/ob_opt_cost_model_parameter.h
obdev fea19bc54e [CP] reorder the order of complex filters
2024-02-21 09:19:05 +00:00

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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.
*/
#ifndef OCEANBASE_SQL_OPTIMIZER_OB_OPT_EST_PARAMETER_
#define OCEANBASE_SQL_OPTIMIZER_OB_OPT_EST_PARAMETER_
#include "common/object/ob_obj_type.h"
#define DEFAULT_CPU_SPEED 2500
#define DEFAULT_DISK_SEQ_READ_SPEED 1024
#define DEFAULT_DISK_RND_READ_SPEED 512
#define DEFAULT_NETWORK_SPEED 156
#define DEFAULT_MACR_BLOCK_SIZE (16 * 1024)
namespace oceanbase
{
namespace sql
{
class OptSystemStat;
enum PROJECT_TYPE {
PROJECT_INT = 0,
PROJECT_NUMBER,
PROJECT_CHAR,
MAX_PROJECT_TYPE
};
class ObOptCostModelParameter {
public:
explicit ObOptCostModelParameter(
const double DEFAULT_CPU_TUPLE_COST,
const double DEFAULT_TABLE_SCAN_CPU_TUPLE_COST,
const double DEFAULT_MICRO_BLOCK_SEQ_COST,
const double DEFAULT_MICRO_BLOCK_RND_COST,
const double DEFAULT_FETCH_ROW_RND_COST,
const double DEFAULT_CMP_GEO_COST,
const double DEFAULT_MATERIALIZE_PER_BYTE_WRITE_COST,
const double DEFAULT_READ_MATERIALIZED_PER_ROW_COST,
const double DEFAULT_PER_AGGR_FUNC_COST,
const double DEFAULT_PER_WIN_FUNC_COST,
const double DEFAULT_CPU_OPERATOR_COST,
const double DEFAULT_JOIN_PER_ROW_COST,
const double DEFAULT_BUILD_HASH_PER_ROW_COST,
const double DEFAULT_PROBE_HASH_PER_ROW_COST,
const double DEFAULT_RESCAN_COST,
const double DEFAULT_NETWORK_SER_PER_BYTE_COST,
const double DEFAULT_NETWORK_DESER_PER_BYTE_COST,
const double DEFAULT_NETWORK_TRANS_PER_BYTE_COST,
const double DEFAULT_PX_RESCAN_PER_ROW_COST,
const double DEFAULT_PX_BATCH_RESCAN_PER_ROW_COST,
const double DEFAULT_NL_SCAN_COST,
const double DEFAULT_BATCH_NL_SCAN_COST,
const double DEFAULT_NL_GET_COST,
const double DEFAULT_BATCH_NL_GET_COST,
const double DEFAULT_TABLE_LOOPUP_PER_ROW_RPC_COST,
const double DEFAULT_INSERT_PER_ROW_COST,
const double DEFAULT_INSERT_INDEX_PER_ROW_COST,
const double DEFAULT_INSERT_CHECK_PER_ROW_COST,
const double DEFAULT_UPDATE_PER_ROW_COST,
const double DEFAULT_UPDATE_INDEX_PER_ROW_COST,
const double DEFAULT_UPDATE_CHECK_PER_ROW_COST,
const double DEFAULT_DELETE_PER_ROW_COST,
const double DEFAULT_DELETE_INDEX_PER_ROW_COST,
const double DEFAULT_DELETE_CHECK_PER_ROW_COST,
const double DEFAULT_SPATIAL_PER_ROW_COST,
const double DEFAULT_RANGE_COST,
const double DEFAULT_CMP_UDF_COST,
const double DEFAULT_CMP_LOB_COST,
const double DEFAULT_CMP_ERR_HANDLE_EXPR_COST,
const double (&comparison_params)[common::ObMaxTC + 1],
const double (&hash_params)[common::ObMaxTC + 1],
const double (&project_params)[2][2][MAX_PROJECT_TYPE]
)
: CPU_TUPLE_COST(DEFAULT_CPU_TUPLE_COST),
TABLE_SCAN_CPU_TUPLE_COST(DEFAULT_TABLE_SCAN_CPU_TUPLE_COST),
MICRO_BLOCK_SEQ_COST(DEFAULT_MICRO_BLOCK_SEQ_COST),
MICRO_BLOCK_RND_COST(DEFAULT_MICRO_BLOCK_RND_COST),
FETCH_ROW_RND_COST(DEFAULT_FETCH_ROW_RND_COST),
CMP_SPATIAL_COST(DEFAULT_CMP_GEO_COST),
MATERIALIZE_PER_BYTE_WRITE_COST(DEFAULT_MATERIALIZE_PER_BYTE_WRITE_COST),
READ_MATERIALIZED_PER_ROW_COST(DEFAULT_READ_MATERIALIZED_PER_ROW_COST),
PER_AGGR_FUNC_COST(DEFAULT_PER_AGGR_FUNC_COST),
PER_WIN_FUNC_COST(DEFAULT_PER_WIN_FUNC_COST),
CPU_OPERATOR_COST(DEFAULT_CPU_OPERATOR_COST),
JOIN_PER_ROW_COST(DEFAULT_JOIN_PER_ROW_COST),
BUILD_HASH_PER_ROW_COST(DEFAULT_BUILD_HASH_PER_ROW_COST),
PROBE_HASH_PER_ROW_COST(DEFAULT_PROBE_HASH_PER_ROW_COST),
RESCAN_COST(DEFAULT_RESCAN_COST),
NETWORK_SER_PER_BYTE_COST(DEFAULT_NETWORK_SER_PER_BYTE_COST),
NETWORK_DESER_PER_BYTE_COST(DEFAULT_NETWORK_DESER_PER_BYTE_COST),
NETWORK_TRANS_PER_BYTE_COST(DEFAULT_NETWORK_TRANS_PER_BYTE_COST),
PX_RESCAN_PER_ROW_COST(DEFAULT_PX_RESCAN_PER_ROW_COST),
PX_BATCH_RESCAN_PER_ROW_COST(DEFAULT_PX_BATCH_RESCAN_PER_ROW_COST),
NL_SCAN_COST(DEFAULT_NL_SCAN_COST),
BATCH_NL_SCAN_COST(DEFAULT_BATCH_NL_SCAN_COST),
NL_GET_COST(DEFAULT_NL_GET_COST),
BATCH_NL_GET_COST(DEFAULT_BATCH_NL_GET_COST),
TABLE_LOOPUP_PER_ROW_RPC_COST(DEFAULT_TABLE_LOOPUP_PER_ROW_RPC_COST),
INSERT_PER_ROW_COST(DEFAULT_INSERT_PER_ROW_COST),
INSERT_INDEX_PER_ROW_COST(DEFAULT_INSERT_INDEX_PER_ROW_COST),
INSERT_CHECK_PER_ROW_COST(DEFAULT_INSERT_CHECK_PER_ROW_COST),
UPDATE_PER_ROW_COST(DEFAULT_UPDATE_PER_ROW_COST),
UPDATE_INDEX_PER_ROW_COST(DEFAULT_UPDATE_INDEX_PER_ROW_COST),
UPDATE_CHECK_PER_ROW_COST(DEFAULT_UPDATE_CHECK_PER_ROW_COST),
DELETE_PER_ROW_COST(DEFAULT_DELETE_PER_ROW_COST),
DELETE_INDEX_PER_ROW_COST(DEFAULT_DELETE_INDEX_PER_ROW_COST),
DELETE_CHECK_PER_ROW_COST(DEFAULT_DELETE_CHECK_PER_ROW_COST),
SPATIAL_PER_ROW_COST(DEFAULT_SPATIAL_PER_ROW_COST),
RANGE_COST(DEFAULT_RANGE_COST),
CMP_UDF_COST(DEFAULT_CMP_UDF_COST),
CMP_LOB_COST(DEFAULT_CMP_LOB_COST),
CMP_ERR_HANDLE_EXPR_COST(DEFAULT_CMP_ERR_HANDLE_EXPR_COST),
comparison_params_(comparison_params),
hash_params_(hash_params),
project_params_(project_params)
{
}
double get_cpu_tuple_cost(const OptSystemStat& stat) const;
double get_table_scan_cpu_tuple_cost(const OptSystemStat& stat) const;
double get_micro_block_seq_cost(const OptSystemStat& stat) const;
double get_micro_block_rnd_cost(const OptSystemStat& stat) const;
double get_project_column_cost(const OptSystemStat& stat,
PROJECT_TYPE type,
bool is_rnd,
bool use_column_store) const;
double get_fetch_row_rnd_cost(const OptSystemStat& stat) const;
double get_cmp_spatial_cost(const OptSystemStat& stat) const;
double get_materialize_per_byte_write_cost(const OptSystemStat& stat) const;
double get_read_materialized_per_row_cost(const OptSystemStat& stat) const;
double get_per_aggr_func_cost(const OptSystemStat& stat) const;
double get_per_win_func_cost(const OptSystemStat& stat) const;
double get_cpu_operator_cost(const OptSystemStat& stat) const;
double get_join_per_row_cost(const OptSystemStat& stat) const;
double get_build_hash_per_row_cost(const OptSystemStat& stat) const;
double get_probe_hash_per_row_cost(const OptSystemStat& stat) const;
double get_rescan_cost(const OptSystemStat& stat) const;
double get_network_ser_per_byte_cost(const OptSystemStat& stat) const;
double get_network_deser_per_byte_cost(const OptSystemStat& stat) const;
double get_network_trans_per_byte_cost(const OptSystemStat& stat) const;
double get_px_rescan_per_row_cost(const OptSystemStat& stat) const;
double get_px_batch_rescan_per_row_cost(const OptSystemStat& stat) const;
double get_nl_scan_cost(const OptSystemStat& stat) const;
double get_batch_nl_scan_cost(const OptSystemStat& stat) const;
double get_nl_get_cost(const OptSystemStat& stat) const;
double get_batch_nl_get_cost(const OptSystemStat& stat) const;
double get_table_loopup_per_row_rpc_cost(const OptSystemStat& stat) const;
double get_insert_per_row_cost(const OptSystemStat& stat) const;
double get_insert_index_per_row_cost(const OptSystemStat& stat) const;
double get_insert_check_per_row_cost(const OptSystemStat& stat) const;
double get_update_per_row_cost(const OptSystemStat& stat) const;
double get_update_index_per_row_cost(const OptSystemStat& stat) const;
double get_update_check_per_row_cost(const OptSystemStat& stat) const;
double get_delete_per_row_cost(const OptSystemStat& stat) const;
double get_delete_index_per_row_cost(const OptSystemStat& stat) const;
double get_delete_check_per_row_cost(const OptSystemStat& stat) const;
double get_spatial_per_row_cost(const OptSystemStat& stat) const;
double get_range_cost(const OptSystemStat& stat) const;
double get_comparison_cost(const OptSystemStat& stat, int64_t type) const;
double get_hash_cost(const OptSystemStat& stat, int64_t type) const;
double get_cmp_lob_cost(const OptSystemStat& stat) const;
double get_cmp_udf_cost(const OptSystemStat& stat) const;
double get_cmp_err_handle_expr_cost(const OptSystemStat& stat) const;
protected:
/** 读取一行的CPU开销，基本上只包括get_next_row()操作 */
double CPU_TUPLE_COST;
/** 存储层吐出一行的代价 **/
double TABLE_SCAN_CPU_TUPLE_COST;
/** 顺序读取一个微块并反序列化的开销 */
double MICRO_BLOCK_SEQ_COST;
/** 随机读取一个微块并反序列化的开销 */
double MICRO_BLOCK_RND_COST;
/** 随机读取中定位某一行所在位置的开销 */
double FETCH_ROW_RND_COST;
/** 比较一次空间数据的代价 */
double CMP_SPATIAL_COST;
/** 物化一个字节的代价 */
double MATERIALIZE_PER_BYTE_WRITE_COST;
/** 读取物化后的行的代价，即对物化后数据结构的get_next_row() */
double READ_MATERIALIZED_PER_ROW_COST;
/** 一次聚集函数计算的代价 */
double PER_AGGR_FUNC_COST;
/** 一次窗口函数计算的代价 */
double PER_WIN_FUNC_COST;
/** 一次操作的基本代价 */
double CPU_OPERATOR_COST;
/** 连接两表的一行的基本代价 */
double JOIN_PER_ROW_COST;
/** 构建hash table时每行的均摊代价 */
double BUILD_HASH_PER_ROW_COST;
/** 查询hash table时每行的均摊代价 */
double PROBE_HASH_PER_ROW_COST;
double RESCAN_COST;
/*network serialization cost for one byte*/
double NETWORK_SER_PER_BYTE_COST;
/*network de-serialization cost for one byte*/
double NETWORK_DESER_PER_BYTE_COST;
/** 网络传输1个字节的代价 */
double NETWORK_TRANS_PER_BYTE_COST;
/*additional px-rescan cost*/
double PX_RESCAN_PER_ROW_COST;
double PX_BATCH_RESCAN_PER_ROW_COST;
//条件下压nestloop join右表扫一次的代价
double NL_SCAN_COST;
//条件下压batch nestloop join右表扫一次的代价
double BATCH_NL_SCAN_COST;
//条件下压nestloop join右表GET一次的代价
double NL_GET_COST;
//条件下压batch nestloop join右表GET一次的代价
double BATCH_NL_GET_COST;
//table look up一行的rpc代价
double TABLE_LOOPUP_PER_ROW_RPC_COST;
//insert一行主表的代价
double INSERT_PER_ROW_COST;
//insert一行索引表的代价
double INSERT_INDEX_PER_ROW_COST;
//insert单个约束检查代价
double INSERT_CHECK_PER_ROW_COST;
//update一行主表的代价
double UPDATE_PER_ROW_COST;
//update一行索引表的代价
double UPDATE_INDEX_PER_ROW_COST;
//update单个约束检查代价
double UPDATE_CHECK_PER_ROW_COST;
//delete一行主表的代价
double DELETE_PER_ROW_COST;
//delete一行索引表的代价
double DELETE_INDEX_PER_ROW_COST;
//delete单个约束检查代价
double DELETE_CHECK_PER_ROW_COST;
//空间索引扫描的线性参数
double SPATIAL_PER_ROW_COST;
//存储层切换一次range的代价
double RANGE_COST;
//计算一个UDF的代价
double CMP_UDF_COST;
//计算一个返回值为LOB的表达式的代价
double CMP_LOB_COST;
//计算一个需处理异常的表达式的代价
double CMP_ERR_HANDLE_EXPR_COST;
const double (&comparison_params_)[common::ObMaxTC + 1];
const double (&hash_params_)[common::ObMaxTC + 1]; /*
* +-sequence access project
* +-row store----+
* | +-random access project
* project cost-+
* | +-sequence access project
* +-column store-+
* +-random access project
*/
const double (&project_params_)[2][2][MAX_PROJECT_TYPE];
};
}
}
#endif /*OCEANBASE_SQL_OPTIMIZER_OB_OPT_EST_PARAMETER_*/
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