/** * 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_*/