获得执行计划方法五-10053事件


  _optimizer_dim_subq_join_sel        = true
  _optimizer_disable_strans_sanity_checks = 0
  _optimizer_compute_index_stats      = true
  _push_join_union_view2              = true
  _optimizer_ignore_hints             = false
  _optimizer_random_plan              = 0
  _query_rewrite_setopgrw_enable      = true
  _optimizer_correct_sq_selectivity   = true
  _disable_function_based_index       = false
  _optimizer_join_order_control       = 3
  _optimizer_cartesian_enabled        = true
  _optimizer_starplan_enabled         = true
  _extended_pruning_enabled           = true
  _optimizer_push_pred_cost_based     = true
  _sql_model_unfold_forloops          = run_time
  _enable_dml_lock_escalation         = false
  _bloom_filter_enabled               = true
  _update_bji_ipdml_enabled           = 0
  _optimizer_extended_cursor_sharing  = udo
  _dm_max_shared_pool_pct             = 1
  _optimizer_cost_hjsmj_multimatch    = true
  _optimizer_transitivity_retain      = true
  _px_pwg_enabled                     = true
  optimizer_secure_view_merging       = true
  _optimizer_join_elimination_enabled = true
  flashback_table_rpi                 = non_fbt
  _optimizer_cbqt_no_size_restriction = true
  _optimizer_enhanced_filter_push     = true
  _optimizer_filter_pred_pullup       = true
  _rowsrc_trace_level                 = 0
  _simple_view_merging                = true
  _optimizer_rownum_pred_based_fkr    = true
  _optimizer_better_inlist_costing    = all
  _optimizer_self_induced_cache_cost  = false
  _optimizer_min_cache_blocks         = 10
  _optimizer_or_expansion             = depth
  _optimizer_order_by_elimination_enabled = true
  _optimizer_outer_to_anti_enabled    = true
  _selfjoin_mv_duplicates             = true
  _dimension_skip_null                = true
  _force_rewrite_enable               = false
  _optimizer_star_tran_in_with_clause = true
  _optimizer_complex_pred_selectivity = true
  _gby_hash_aggregation_enabled       = true
Query Block Registry:
*********************
SEL$1 0xb72baae4 (PARSER) [FINAL]
Optimizer State Dump: call(in-use=27196, alloc=49112), compile(in-use=53008, alloc=101400)
Registered qb: MISC$1 0xb72bac90 (PARSER)
  signature(): NULL
**************************
Predicate Move-Around (PM)
**************************
PM: Considering predicate move-around in MISC$1 (#0).
PM:   Checking validity of predicate move-around in MISC$1 (#0).
CBQT: Validity checks failed for 07x9zn1dx277j.
CVM: Considering view merge in query block MISC$1 (#0)
CBQT: Validity checks failed for 07x9zn1dx277j.
***************
Subquery Unnest
***************
SU: Considering subquery unnesting in query block MISC$1 (#0)
*************************
Set-Join Conversion (SJC)
*************************
SJC: Considering set-join conversion in MISC$1 (#0).
**************************
Predicate Move-Around (PM)
**************************
PM: Considering predicate move-around in MISC$1 (#0).
PM:   Checking validity of predicate move-around in MISC$1 (#0).
PM:     PM bypassed: Outer query contains no views.
FPD: Considering simple filter push in MISC$1 (#0)
FPD:   Current where clause predicates in MISC$1 (#0) :
         apadrv-start: call(in-use=31096, alloc=31096), compile(in-use=29696, alloc=30688)
 
sql_id=07x9zn1dx277j.
Current SQL statement for this session:
ALTER SESSION SET EVENTS '10053 trace name context off'
 
============
Plan Table
============
---------------------------------+-----------------------------------+
| Id  | Operation      | Name    | Rows  | Bytes | Cost  | Time      |
---------------------------------+-----------------------------------+
| 0   | DDL STATEMENT  |         |       |       |     0 |           |
---------------------------------+-----------------------------------+
Predicate Information:
----------------------
 
Optimizer environment:
  optimizer_mode_hinted               = false
  optimizer_features_hinted           = 0.0.0
  parallel_execution_enabled          = true
  parallel_query_forced_dop           = 0
  parallel_dml_forced_dop             = 0
  parallel_ddl_forced_degree          = 0
  parallel_ddl_forced_instances       = 0
  _query_rewrite_fudge                = 90
  optimizer_features_enable           = 10.2.0.1
  _optimizer_search_limit             = 5
  cpu_count                           = 1
  active_instance_count               = 1
  parallel_threads_per_cpu            = 2
  hash_area_size                      = 131072
  bitmap_merge_area_size              = 1048576
  sort_area_size                      = 65536
  sort_area_retained_size             = 0
  _sort_elimination_cost_ratio        = 0
  _optimizer_block_size               = 8192
  _sort_multiblock_read_count         = 2
  _hash_multiblock_io_count           = 0
  _db_file_optimizer_read_count       = 16
  _optimizer_max_permutations         = 2000
  pga_aggregate_target                = 93184 KB
  _pga_max_size                       = 204800 KB
  _query_rewrite_maxdisjunct          = 257
  _smm_auto_min_io_size               = 56 KB
  _smm_auto_max_io_size               = 248 KB
  _smm_min_size                       = 128 KB
  _smm_max_size                       = 18636 KB
  _smm_px_max_size                    = 46592 KB
  _cpu_to_io                          = 0
  _optimizer_undo_cost_change         = 10.2.0.1
  parallel_query_mode                 = enabled
  parallel_dml_mode                   = disabled
  parallel_ddl_mode                   = enabled
  optimizer_mode                      = all_rows
  sqlstat_enabled                     = false
  _optimizer_percent_parallel         = 101
  _always_anti_join                   = choose
  _always_semi_join                   = choose
  _optimizer_mode_force               = true
  _partition_view_enabled             = true
  _always_star_transformation         = false
  _query_rewrite_or_error             = false
  _hash_join_enabled                  = true
  cursor_sharing                      = exact
  _b_tree_bitmap_plans                = true
  star_transformation_enabled         = false
  _optimizer_cost_model               = choose
  _new_sort_cost_estimate             = true
  _complex_view_merging               = true
  _unnest_subquery                    = true
  _eliminate_common_subexpr           = true
  _pred_move_around                   = true
  _convert_set_to_join                = false
  _push_join_predicate                = true
  _push_join_union_view               = true
  _fast_full_scan_enabled             = true
  _optim_enhance_nnull_detection      = true
  _parallel_broadcast_enabled         = true
  _px_broadcast_fudge_factor          = 100
  _ordered_nested_loop                = true
  _no_or_expansion                    = false
  optimizer_index_cost_adj            = 100
  optimizer_index_caching             = 0
  _system_index_caching               = 0
  _disable_datalayer_sampling         = false
  query_rewrite_enabled               = true
  query_rewrite_integrity             = enforced
  _query_cost_rewrite                 = true
  _query_rewrite_2                    = true
  _query_rewrite_1                    = true
  _query_rewrite_expression           = true
  _query_rewrite_jgmigrate            = true
  _query_rewrite_fpc                  = true
  _query_rewrite_drj                  = true
  _full_pwise_join_enabled            = true
  _partial_pwise_join_enabled         = true
  _left_nested_loops_random           = true
  _improved_row_length_enabled        = true
  _index_join_enabled                 = true
  _enable_type_dep_selectivity        = true
  _improved_outerjoin_card            = true
  _optimizer_adjust_for_nulls         = true
  _optimizer_degree                   = 0
  _use_column_stats_for_function      = true
  _subquery_pruning_enabled           = true
  _subquery_pruning_mv_enabled        = false
  _or_expand_nvl_predicate            = true
  _like_with_bind_as_equality         = false
  _table_scan_cost_plus_one           = true
  _cost_equality_semi_join            = true
  _default_non_equality_sel_check     = true
  _new_initial_join_orders            = true
  _oneside_colstat_for_equijoins      = true
  _optim_peek_user_binds              = true
  _minimal_stats_aggregation          = true
  _force_temptables_for_gsets         = false
  workarea_size_policy                = auto
  _smm_auto_cost_enabled              = true
  _gs_anti_semi_join_allowed          = true
  _optim_new_default_join_sel         = true
  optimizer_dynamic_sampling          = 2
  _pre_rewrite_push_pred              = true
  _optimizer_new_join_card_computation = true
  _union_rewrite_for_gs               = yes_gset_mvs
  _generalized_pruning_enabled        = true
  _optim_adjust_for_part_skews        = true
  _force_datefold_trunc               = false
  statistics_level                    = typical
  _optimizer_system_stats_usage       = true
  skip_unusable_indexes               = true
  _remove_aggr_subquery               = true
  _optimizer_push_down_distinct       = 0
  _dml_monitoring_enabled             = true
  _optimizer_undo_changes             = false
  _predicate_elimination_enabled      = true
  _nested_loop_fudge                  = 100
  _project_view_columns               = true
  _local_communication_costing_enabled = true
  _local_communication_ratio          = 50
  _query_rewrite_vop_cleanup          = true
  _slave_mapping_enabled              = true
  _optimizer_cost_based_transformation = linear
  _optimizer_mjc_enabled              = true
  _right_outer_hash_enable            = true
  _spr_push_pred_refspr               = true
  _optimizer_cache_stats              = false
  _optimizer_cbqt_factor              = 50
  _optimizer_squ_bottomup             = true
  _fic_area_size                      = 131072
  _optimizer_skip_scan_enabled        = true
  _optimizer_cost_filter_pred         = false
  _optimizer_sortmerge_join_enabled   = true
  _optimizer_join_sel_sanity_check    = true
  _mmv_query_rewrite_enabled          = true
  _bt_mmv_query_rewrite_enabled       = true
  _add_stale_mv_to_dependency_list    = true
  _distinct_view_unnesting            = false
  _optimizer_dim_subq_join_sel        = true
  _optimizer_disable_strans_sanity_checks = 0
  _optimizer_compute_index_stats      = true
  _push_join_union_view2              = true
  _optimizer_ignore_hints             = false
  _optimizer_random_plan              = 0
  _query_rewrite_setopgrw_enable      = true
  _optimizer_correct_sq_selectivity   = true
  _disable_function_based_index       = false
  _optimizer_join_order_control       = 3
  _optimizer_cartesian_enabled        = true
  _optimizer_starplan_enabled         = true
  _extended_pruning_enabled           = true
  _optimizer_push_pred_cost_based     = true
  _sql_model_unfold_forloops          = run_time
  _enable_dml_lock_escalation         = false
  _bloom_filter_enabled               = true
  _update_bji_ipdml_enabled           = 0
  _optimizer_extended_cursor_sharing  = udo
  _dm_max_shared_pool_pct             = 1
  _optimizer_cost_hjsmj_multimatch    = true
  _optimizer_transitivity_retain      = true
  _px_pwg_enabled                     = true
  optimizer_secure_view_merging       = true
  _optimizer_join_elimination_enabled = true
  flashback_table_rpi                 = non_fbt
  _optimizer_cbqt_no_size_restriction = true
  _optimizer_enhanced_filter_push     = true
  _optimizer_filter_pred_pullup       = true
  _rowsrc_trace_level                 = 0
  _simple_view_merging                = true
  _optimizer_rownum_pred_based_fkr    = true
  _optimizer_better_inlist_costing    = all
  _optimizer_self_induced_cache_cost  = false
  _optimizer_min_cache_blocks         = 10
  _optimizer_or_expansion             = depth
  _optimizer_order_by_elimination_enabled = true
  _optimizer_outer_to_anti_enabled    = true
  _selfjoin_mv_duplicates             = true
  _dimension_skip_null                = true
  _force_rewrite_enable               = false
  _optimizer_star_tran_in_with_clause = true
  _optimizer_complex_pred_selectivity = true
  _gby_hash_aggregation_enabled       = true
Query Block Registry:
*********************
MISC$1 0xb72bac90 (PARSER) [FINAL]
Optimizer State Dump: call(in-use=85756, alloc=85756), compile(in-use=38944, alloc=83700)

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