---- No. A-8-4 original GUC parameter pg_hint_plan.parse_messages
----
SET client_min_messages TO debug5;
-DEBUG: CommitTransaction(1) name: unnamed; blockState: STARTED; state: INPROGR, xid/subid/cid: 0/1/0
+DEBUG: CommitTransaction(1) name: unnamed; blockState: STARTED; state: INPROGRESS, xid/subid/cid: 0/1/0
-- No. A-8-4-1
SET pg_hint_plan.parse_messages TO debug5;
-DEBUG: StartTransaction(1) name: unnamed; blockState: DEFAULT; state: INPROGR, xid/subid/cid: 0/1/0
-DEBUG: CommitTransaction(1) name: unnamed; blockState: STARTED; state: INPROGR, xid/subid/cid: 0/1/0
+DEBUG: StartTransaction(1) name: unnamed; blockState: DEFAULT; state: INPROGRESS, xid/subid/cid: 0/1/0
+DEBUG: CommitTransaction(1) name: unnamed; blockState: STARTED; state: INPROGRESS, xid/subid/cid: 0/1/0
SHOW pg_hint_plan.parse_messages;
-DEBUG: StartTransaction(1) name: unnamed; blockState: DEFAULT; state: INPROGR, xid/subid/cid: 0/1/0
-DEBUG: CommitTransaction(1) name: unnamed; blockState: STARTED; state: INPROGR, xid/subid/cid: 0/1/0
+DEBUG: StartTransaction(1) name: unnamed; blockState: DEFAULT; state: INPROGRESS, xid/subid/cid: 0/1/0
+DEBUG: CommitTransaction(1) name: unnamed; blockState: STARTED; state: INPROGRESS, xid/subid/cid: 0/1/0
pg_hint_plan.parse_messages
-----------------------------
debug5
(1 row)
/*+Set*/SELECT 1;
-DEBUG: StartTransaction(1) name: unnamed; blockState: DEFAULT; state: INPROGR, xid/subid/cid: 0/1/0
+DEBUG: StartTransaction(1) name: unnamed; blockState: DEFAULT; state: INPROGRESS, xid/subid/cid: 0/1/0
DEBUG: pg_hint_plan: hint syntax error at or near ""
DETAIL: Opening parenthesis is necessary.
-DEBUG: CommitTransaction(1) name: unnamed; blockState: STARTED; state: INPROGR, xid/subid/cid: 0/1/0
+DEBUG: CommitTransaction(1) name: unnamed; blockState: STARTED; state: INPROGRESS, xid/subid/cid: 0/1/0
?column?
----------
1
(1 row)
SET client_min_messages TO debug4;
-DEBUG: StartTransaction(1) name: unnamed; blockState: DEFAULT; state: INPROGR, xid/subid/cid: 0/1/0
+DEBUG: StartTransaction(1) name: unnamed; blockState: DEFAULT; state: INPROGRESS, xid/subid/cid: 0/1/0
/*+Set*/SELECT 1;
?column?
----------
-- No. A-12-1-1
-- No. A-12-2-1
SELECT name, setting FROM settings;
- name | setting
-------------------------------+-----------
- geqo | on
- geqo_effort | 5
- geqo_generations | 0
- geqo_pool_size | 0
- geqo_seed | 0
- geqo_selection_bias | 2
- geqo_threshold | 12
- constraint_exclusion | partition
- cursor_tuple_fraction | 0.1
- default_statistics_target | 100
- force_parallel_mode | off
- from_collapse_limit | 8
- join_collapse_limit | 8
- cpu_index_tuple_cost | 0.005
- cpu_operator_cost | 0.0025
- cpu_tuple_cost | 0.01
- effective_cache_size | 16384
- min_parallel_index_scan_size | 64
- min_parallel_table_scan_size | 1024
- parallel_setup_cost | 1000
- parallel_tuple_cost | 0.1
- random_page_cost | 4
- seq_page_cost | 1
- enable_bitmapscan | on
- enable_gathermerge | on
- enable_hashagg | on
- enable_hashjoin | on
- enable_indexonlyscan | on
- enable_indexscan | on
- enable_material | on
- enable_mergejoin | on
- enable_nestloop | on
- enable_seqscan | on
- enable_sort | on
- enable_tidscan | on
- client_min_messages | log
-(36 rows)
+ name | setting
+--------------------------------+-----------
+ geqo | on
+ geqo_effort | 5
+ geqo_generations | 0
+ geqo_pool_size | 0
+ geqo_seed | 0
+ geqo_selection_bias | 2
+ geqo_threshold | 12
+ constraint_exclusion | partition
+ cursor_tuple_fraction | 0.1
+ default_statistics_target | 100
+ force_parallel_mode | off
+ from_collapse_limit | 8
+ jit | on
+ join_collapse_limit | 8
+ cpu_index_tuple_cost | 0.005
+ cpu_operator_cost | 0.0025
+ cpu_tuple_cost | 0.01
+ effective_cache_size | 16384
+ jit_above_cost | 100000
+ jit_inline_above_cost | 500000
+ jit_optimize_above_cost | 500000
+ min_parallel_index_scan_size | 64
+ min_parallel_table_scan_size | 1024
+ parallel_setup_cost | 1000
+ parallel_tuple_cost | 0.1
+ random_page_cost | 4
+ seq_page_cost | 1
+ enable_bitmapscan | on
+ enable_gathermerge | on
+ enable_hashagg | on
+ enable_hashjoin | on
+ enable_indexonlyscan | on
+ enable_indexscan | on
+ enable_material | on
+ enable_mergejoin | on
+ enable_nestloop | on
+ enable_parallel_append | on
+ enable_parallel_hash | on
+ enable_partition_pruning | on
+ enable_partitionwise_aggregate | off
+ enable_partitionwise_join | off
+ enable_seqscan | on
+ enable_sort | on
+ enable_tidscan | on
+ client_min_messages | log
+(45 rows)
SET pg_hint_plan.parse_messages TO error;
/*+Set(enable_seqscan off)Set(geqo_threshold 100)SeqScan(t1)MergeJoin(t1 t2)NestLoop(t1 t1)*/
ERROR: pg_hint_plan: hint syntax error at or near "NestLoop(t1 t1)"
DETAIL: Relation name "t1" is duplicated.
SELECT name, setting FROM settings;
- name | setting
-------------------------------+-----------
- geqo | on
- geqo_effort | 5
- geqo_generations | 0
- geqo_pool_size | 0
- geqo_seed | 0
- geqo_selection_bias | 2
- geqo_threshold | 12
- constraint_exclusion | partition
- cursor_tuple_fraction | 0.1
- default_statistics_target | 100
- force_parallel_mode | off
- from_collapse_limit | 8
- join_collapse_limit | 8
- cpu_index_tuple_cost | 0.005
- cpu_operator_cost | 0.0025
- cpu_tuple_cost | 0.01
- effective_cache_size | 16384
- min_parallel_index_scan_size | 64
- min_parallel_table_scan_size | 1024
- parallel_setup_cost | 1000
- parallel_tuple_cost | 0.1
- random_page_cost | 4
- seq_page_cost | 1
- enable_bitmapscan | on
- enable_gathermerge | on
- enable_hashagg | on
- enable_hashjoin | on
- enable_indexonlyscan | on
- enable_indexscan | on
- enable_material | on
- enable_mergejoin | on
- enable_nestloop | on
- enable_seqscan | on
- enable_sort | on
- enable_tidscan | on
- client_min_messages | log
-(36 rows)
+ name | setting
+--------------------------------+-----------
+ geqo | on
+ geqo_effort | 5
+ geqo_generations | 0
+ geqo_pool_size | 0
+ geqo_seed | 0
+ geqo_selection_bias | 2
+ geqo_threshold | 12
+ constraint_exclusion | partition
+ cursor_tuple_fraction | 0.1
+ default_statistics_target | 100
+ force_parallel_mode | off
+ from_collapse_limit | 8
+ jit | on
+ join_collapse_limit | 8
+ cpu_index_tuple_cost | 0.005
+ cpu_operator_cost | 0.0025
+ cpu_tuple_cost | 0.01
+ effective_cache_size | 16384
+ jit_above_cost | 100000
+ jit_inline_above_cost | 500000
+ jit_optimize_above_cost | 500000
+ min_parallel_index_scan_size | 64
+ min_parallel_table_scan_size | 1024
+ parallel_setup_cost | 1000
+ parallel_tuple_cost | 0.1
+ random_page_cost | 4
+ seq_page_cost | 1
+ enable_bitmapscan | on
+ enable_gathermerge | on
+ enable_hashagg | on
+ enable_hashjoin | on
+ enable_indexonlyscan | on
+ enable_indexscan | on
+ enable_material | on
+ enable_mergejoin | on
+ enable_nestloop | on
+ enable_parallel_append | on
+ enable_parallel_hash | on
+ enable_partition_pruning | on
+ enable_partitionwise_aggregate | off
+ enable_partitionwise_join | off
+ enable_seqscan | on
+ enable_sort | on
+ enable_tidscan | on
+ client_min_messages | log
+(45 rows)
/*+Set(enable_seqscan off)Set(geqo_threshold 100)SeqScan(t1)MergeJoin(t1 t2)*/
EXPLAIN (COSTS false) SELECT * FROM s1.t1, s1.t2 WHERE t1.c1 = t2.c1;
-- No. A-12-1-2
-- No. A-12-2-2
SELECT name, setting FROM settings;
- name | setting
-------------------------------+-----------
- geqo | on
- geqo_effort | 5
- geqo_generations | 0
- geqo_pool_size | 0
- geqo_seed | 0
- geqo_selection_bias | 2
- geqo_threshold | 12
- constraint_exclusion | partition
- cursor_tuple_fraction | 0.1
- default_statistics_target | 100
- force_parallel_mode | off
- from_collapse_limit | 8
- join_collapse_limit | 8
- cpu_index_tuple_cost | 0.005
- cpu_operator_cost | 0.0025
- cpu_tuple_cost | 0.01
- effective_cache_size | 16384
- min_parallel_index_scan_size | 64
- min_parallel_table_scan_size | 1024
- parallel_setup_cost | 1000
- parallel_tuple_cost | 0.1
- random_page_cost | 4
- seq_page_cost | 1
- enable_bitmapscan | on
- enable_gathermerge | on
- enable_hashagg | on
- enable_hashjoin | on
- enable_indexonlyscan | on
- enable_indexscan | on
- enable_material | on
- enable_mergejoin | on
- enable_nestloop | on
- enable_seqscan | on
- enable_sort | on
- enable_tidscan | on
- client_min_messages | log
-(36 rows)
+ name | setting
+--------------------------------+-----------
+ geqo | on
+ geqo_effort | 5
+ geqo_generations | 0
+ geqo_pool_size | 0
+ geqo_seed | 0
+ geqo_selection_bias | 2
+ geqo_threshold | 12
+ constraint_exclusion | partition
+ cursor_tuple_fraction | 0.1
+ default_statistics_target | 100
+ force_parallel_mode | off
+ from_collapse_limit | 8
+ jit | on
+ join_collapse_limit | 8
+ cpu_index_tuple_cost | 0.005
+ cpu_operator_cost | 0.0025
+ cpu_tuple_cost | 0.01
+ effective_cache_size | 16384
+ jit_above_cost | 100000
+ jit_inline_above_cost | 500000
+ jit_optimize_above_cost | 500000
+ min_parallel_index_scan_size | 64
+ min_parallel_table_scan_size | 1024
+ parallel_setup_cost | 1000
+ parallel_tuple_cost | 0.1
+ random_page_cost | 4
+ seq_page_cost | 1
+ enable_bitmapscan | on
+ enable_gathermerge | on
+ enable_hashagg | on
+ enable_hashjoin | on
+ enable_indexonlyscan | on
+ enable_indexscan | on
+ enable_material | on
+ enable_mergejoin | on
+ enable_nestloop | on
+ enable_parallel_append | on
+ enable_parallel_hash | on
+ enable_partition_pruning | on
+ enable_partitionwise_aggregate | off
+ enable_partitionwise_join | off
+ enable_seqscan | on
+ enable_sort | on
+ enable_tidscan | on
+ client_min_messages | log
+(45 rows)
SET pg_hint_plan.parse_messages TO error;
/*+Set(enable_seqscan off)Set(geqo_threshold 100)SeqScan(t1)MergeJoin(t1 t2)NestLoop(t1 t1)*/
ERROR: pg_hint_plan: hint syntax error at or near "NestLoop(t1 t1)"
DETAIL: Relation name "t1" is duplicated.
SELECT name, setting FROM settings;
- name | setting
-------------------------------+-----------
- geqo | on
- geqo_effort | 5
- geqo_generations | 0
- geqo_pool_size | 0
- geqo_seed | 0
- geqo_selection_bias | 2
- geqo_threshold | 12
- constraint_exclusion | partition
- cursor_tuple_fraction | 0.1
- default_statistics_target | 100
- force_parallel_mode | off
- from_collapse_limit | 8
- join_collapse_limit | 8
- cpu_index_tuple_cost | 0.005
- cpu_operator_cost | 0.0025
- cpu_tuple_cost | 0.01
- effective_cache_size | 16384
- min_parallel_index_scan_size | 64
- min_parallel_table_scan_size | 1024
- parallel_setup_cost | 1000
- parallel_tuple_cost | 0.1
- random_page_cost | 4
- seq_page_cost | 1
- enable_bitmapscan | on
- enable_gathermerge | on
- enable_hashagg | on
- enable_hashjoin | on
- enable_indexonlyscan | on
- enable_indexscan | on
- enable_material | on
- enable_mergejoin | on
- enable_nestloop | on
- enable_seqscan | on
- enable_sort | on
- enable_tidscan | on
- client_min_messages | log
-(36 rows)
+ name | setting
+--------------------------------+-----------
+ geqo | on
+ geqo_effort | 5
+ geqo_generations | 0
+ geqo_pool_size | 0
+ geqo_seed | 0
+ geqo_selection_bias | 2
+ geqo_threshold | 12
+ constraint_exclusion | partition
+ cursor_tuple_fraction | 0.1
+ default_statistics_target | 100
+ force_parallel_mode | off
+ from_collapse_limit | 8
+ jit | on
+ join_collapse_limit | 8
+ cpu_index_tuple_cost | 0.005
+ cpu_operator_cost | 0.0025
+ cpu_tuple_cost | 0.01
+ effective_cache_size | 16384
+ jit_above_cost | 100000
+ jit_inline_above_cost | 500000
+ jit_optimize_above_cost | 500000
+ min_parallel_index_scan_size | 64
+ min_parallel_table_scan_size | 1024
+ parallel_setup_cost | 1000
+ parallel_tuple_cost | 0.1
+ random_page_cost | 4
+ seq_page_cost | 1
+ enable_bitmapscan | on
+ enable_gathermerge | on
+ enable_hashagg | on
+ enable_hashjoin | on
+ enable_indexonlyscan | on
+ enable_indexscan | on
+ enable_material | on
+ enable_mergejoin | on
+ enable_nestloop | on
+ enable_parallel_append | on
+ enable_parallel_hash | on
+ enable_partition_pruning | on
+ enable_partitionwise_aggregate | off
+ enable_partitionwise_join | off
+ enable_seqscan | on
+ enable_sort | on
+ enable_tidscan | on
+ client_min_messages | log
+(45 rows)
EXPLAIN (COSTS false) EXECUTE p1;
QUERY PLAN
-- No. A-12-1-3
-- No. A-12-2-3
SELECT name, setting FROM settings;
- name | setting
-------------------------------+-----------
- geqo | on
- geqo_effort | 5
- geqo_generations | 0
- geqo_pool_size | 0
- geqo_seed | 0
- geqo_selection_bias | 2
- geqo_threshold | 12
- constraint_exclusion | partition
- cursor_tuple_fraction | 0.1
- default_statistics_target | 100
- force_parallel_mode | off
- from_collapse_limit | 8
- join_collapse_limit | 8
- cpu_index_tuple_cost | 0.005
- cpu_operator_cost | 0.0025
- cpu_tuple_cost | 0.01
- effective_cache_size | 16384
- min_parallel_index_scan_size | 64
- min_parallel_table_scan_size | 1024
- parallel_setup_cost | 1000
- parallel_tuple_cost | 0.1
- random_page_cost | 4
- seq_page_cost | 1
- enable_bitmapscan | on
- enable_gathermerge | on
- enable_hashagg | on
- enable_hashjoin | on
- enable_indexonlyscan | on
- enable_indexscan | on
- enable_material | on
- enable_mergejoin | on
- enable_nestloop | on
- enable_seqscan | on
- enable_sort | on
- enable_tidscan | on
- client_min_messages | log
-(36 rows)
+ name | setting
+--------------------------------+-----------
+ geqo | on
+ geqo_effort | 5
+ geqo_generations | 0
+ geqo_pool_size | 0
+ geqo_seed | 0
+ geqo_selection_bias | 2
+ geqo_threshold | 12
+ constraint_exclusion | partition
+ cursor_tuple_fraction | 0.1
+ default_statistics_target | 100
+ force_parallel_mode | off
+ from_collapse_limit | 8
+ jit | on
+ join_collapse_limit | 8
+ cpu_index_tuple_cost | 0.005
+ cpu_operator_cost | 0.0025
+ cpu_tuple_cost | 0.01
+ effective_cache_size | 16384
+ jit_above_cost | 100000
+ jit_inline_above_cost | 500000
+ jit_optimize_above_cost | 500000
+ min_parallel_index_scan_size | 64
+ min_parallel_table_scan_size | 1024
+ parallel_setup_cost | 1000
+ parallel_tuple_cost | 0.1
+ random_page_cost | 4
+ seq_page_cost | 1
+ enable_bitmapscan | on
+ enable_gathermerge | on
+ enable_hashagg | on
+ enable_hashjoin | on
+ enable_indexonlyscan | on
+ enable_indexscan | on
+ enable_material | on
+ enable_mergejoin | on
+ enable_nestloop | on
+ enable_parallel_append | on
+ enable_parallel_hash | on
+ enable_partition_pruning | on
+ enable_partitionwise_aggregate | off
+ enable_partitionwise_join | off
+ enable_seqscan | on
+ enable_sort | on
+ enable_tidscan | on
+ client_min_messages | log
+(45 rows)
SET pg_hint_plan.parse_messages TO error;
EXPLAIN (COSTS false) EXECUTE p2;
(6 rows)
SELECT name, setting FROM settings;
- name | setting
-------------------------------+-----------
- geqo | on
- geqo_effort | 5
- geqo_generations | 0
- geqo_pool_size | 0
- geqo_seed | 0
- geqo_selection_bias | 2
- geqo_threshold | 12
- constraint_exclusion | partition
- cursor_tuple_fraction | 0.1
- default_statistics_target | 100
- force_parallel_mode | off
- from_collapse_limit | 8
- join_collapse_limit | 8
- cpu_index_tuple_cost | 0.005
- cpu_operator_cost | 0.0025
- cpu_tuple_cost | 0.01
- effective_cache_size | 16384
- min_parallel_index_scan_size | 64
- min_parallel_table_scan_size | 1024
- parallel_setup_cost | 1000
- parallel_tuple_cost | 0.1
- random_page_cost | 4
- seq_page_cost | 1
- enable_bitmapscan | on
- enable_gathermerge | on
- enable_hashagg | on
- enable_hashjoin | on
- enable_indexonlyscan | on
- enable_indexscan | on
- enable_material | on
- enable_mergejoin | on
- enable_nestloop | on
- enable_seqscan | on
- enable_sort | on
- enable_tidscan | on
- client_min_messages | log
-(36 rows)
+ name | setting
+--------------------------------+-----------
+ geqo | on
+ geqo_effort | 5
+ geqo_generations | 0
+ geqo_pool_size | 0
+ geqo_seed | 0
+ geqo_selection_bias | 2
+ geqo_threshold | 12
+ constraint_exclusion | partition
+ cursor_tuple_fraction | 0.1
+ default_statistics_target | 100
+ force_parallel_mode | off
+ from_collapse_limit | 8
+ jit | on
+ join_collapse_limit | 8
+ cpu_index_tuple_cost | 0.005
+ cpu_operator_cost | 0.0025
+ cpu_tuple_cost | 0.01
+ effective_cache_size | 16384
+ jit_above_cost | 100000
+ jit_inline_above_cost | 500000
+ jit_optimize_above_cost | 500000
+ min_parallel_index_scan_size | 64
+ min_parallel_table_scan_size | 1024
+ parallel_setup_cost | 1000
+ parallel_tuple_cost | 0.1
+ random_page_cost | 4
+ seq_page_cost | 1
+ enable_bitmapscan | on
+ enable_gathermerge | on
+ enable_hashagg | on
+ enable_hashjoin | on
+ enable_indexonlyscan | on
+ enable_indexscan | on
+ enable_material | on
+ enable_mergejoin | on
+ enable_nestloop | on
+ enable_parallel_append | on
+ enable_parallel_hash | on
+ enable_partition_pruning | on
+ enable_partitionwise_aggregate | off
+ enable_partitionwise_join | off
+ enable_seqscan | on
+ enable_sort | on
+ enable_tidscan | on
+ client_min_messages | log
+(45 rows)
-- No. A-12-1-4
-- No. A-12-2-4
SELECT name, setting FROM settings;
- name | setting
-------------------------------+-----------
- geqo | on
- geqo_effort | 5
- geqo_generations | 0
- geqo_pool_size | 0
- geqo_seed | 0
- geqo_selection_bias | 2
- geqo_threshold | 12
- constraint_exclusion | partition
- cursor_tuple_fraction | 0.1
- default_statistics_target | 100
- force_parallel_mode | off
- from_collapse_limit | 8
- join_collapse_limit | 8
- cpu_index_tuple_cost | 0.005
- cpu_operator_cost | 0.0025
- cpu_tuple_cost | 0.01
- effective_cache_size | 16384
- min_parallel_index_scan_size | 64
- min_parallel_table_scan_size | 1024
- parallel_setup_cost | 1000
- parallel_tuple_cost | 0.1
- random_page_cost | 4
- seq_page_cost | 1
- enable_bitmapscan | on
- enable_gathermerge | on
- enable_hashagg | on
- enable_hashjoin | on
- enable_indexonlyscan | on
- enable_indexscan | on
- enable_material | on
- enable_mergejoin | on
- enable_nestloop | on
- enable_seqscan | on
- enable_sort | on
- enable_tidscan | on
- client_min_messages | log
-(36 rows)
+ name | setting
+--------------------------------+-----------
+ geqo | on
+ geqo_effort | 5
+ geqo_generations | 0
+ geqo_pool_size | 0
+ geqo_seed | 0
+ geqo_selection_bias | 2
+ geqo_threshold | 12
+ constraint_exclusion | partition
+ cursor_tuple_fraction | 0.1
+ default_statistics_target | 100
+ force_parallel_mode | off
+ from_collapse_limit | 8
+ jit | on
+ join_collapse_limit | 8
+ cpu_index_tuple_cost | 0.005
+ cpu_operator_cost | 0.0025
+ cpu_tuple_cost | 0.01
+ effective_cache_size | 16384
+ jit_above_cost | 100000
+ jit_inline_above_cost | 500000
+ jit_optimize_above_cost | 500000
+ min_parallel_index_scan_size | 64
+ min_parallel_table_scan_size | 1024
+ parallel_setup_cost | 1000
+ parallel_tuple_cost | 0.1
+ random_page_cost | 4
+ seq_page_cost | 1
+ enable_bitmapscan | on
+ enable_gathermerge | on
+ enable_hashagg | on
+ enable_hashjoin | on
+ enable_indexonlyscan | on
+ enable_indexscan | on
+ enable_material | on
+ enable_mergejoin | on
+ enable_nestloop | on
+ enable_parallel_append | on
+ enable_parallel_hash | on
+ enable_partition_pruning | on
+ enable_partitionwise_aggregate | off
+ enable_partitionwise_join | off
+ enable_seqscan | on
+ enable_sort | on
+ enable_tidscan | on
+ client_min_messages | log
+(45 rows)
SET pg_hint_plan.parse_messages TO error;
EXPLAIN (COSTS false) EXECUTE p2;
(6 rows)
SELECT name, setting FROM settings;
- name | setting
-------------------------------+-----------
- geqo | on
- geqo_effort | 5
- geqo_generations | 0
- geqo_pool_size | 0
- geqo_seed | 0
- geqo_selection_bias | 2
- geqo_threshold | 12
- constraint_exclusion | partition
- cursor_tuple_fraction | 0.1
- default_statistics_target | 100
- force_parallel_mode | off
- from_collapse_limit | 8
- join_collapse_limit | 8
- cpu_index_tuple_cost | 0.005
- cpu_operator_cost | 0.0025
- cpu_tuple_cost | 0.01
- effective_cache_size | 16384
- min_parallel_index_scan_size | 64
- min_parallel_table_scan_size | 1024
- parallel_setup_cost | 1000
- parallel_tuple_cost | 0.1
- random_page_cost | 4
- seq_page_cost | 1
- enable_bitmapscan | on
- enable_gathermerge | on
- enable_hashagg | on
- enable_hashjoin | on
- enable_indexonlyscan | on
- enable_indexscan | on
- enable_material | on
- enable_mergejoin | on
- enable_nestloop | on
- enable_seqscan | on
- enable_sort | on
- enable_tidscan | on
- client_min_messages | log
-(36 rows)
+ name | setting
+--------------------------------+-----------
+ geqo | on
+ geqo_effort | 5
+ geqo_generations | 0
+ geqo_pool_size | 0
+ geqo_seed | 0
+ geqo_selection_bias | 2
+ geqo_threshold | 12
+ constraint_exclusion | partition
+ cursor_tuple_fraction | 0.1
+ default_statistics_target | 100
+ force_parallel_mode | off
+ from_collapse_limit | 8
+ jit | on
+ join_collapse_limit | 8
+ cpu_index_tuple_cost | 0.005
+ cpu_operator_cost | 0.0025
+ cpu_tuple_cost | 0.01
+ effective_cache_size | 16384
+ jit_above_cost | 100000
+ jit_inline_above_cost | 500000
+ jit_optimize_above_cost | 500000
+ min_parallel_index_scan_size | 64
+ min_parallel_table_scan_size | 1024
+ parallel_setup_cost | 1000
+ parallel_tuple_cost | 0.1
+ random_page_cost | 4
+ seq_page_cost | 1
+ enable_bitmapscan | on
+ enable_gathermerge | on
+ enable_hashagg | on
+ enable_hashjoin | on
+ enable_indexonlyscan | on
+ enable_indexscan | on
+ enable_material | on
+ enable_mergejoin | on
+ enable_nestloop | on
+ enable_parallel_append | on
+ enable_parallel_hash | on
+ enable_partition_pruning | on
+ enable_partitionwise_aggregate | off
+ enable_partitionwise_join | off
+ enable_seqscan | on
+ enable_sort | on
+ enable_tidscan | on
+ client_min_messages | log
+(45 rows)
DEALLOCATE p1;
SET pg_hint_plan.parse_messages TO LOG;
(5 rows)
SELECT name, setting FROM settings;
- name | setting
-------------------------------+-----------
- geqo | on
- geqo_effort | 5
- geqo_generations | 0
- geqo_pool_size | 0
- geqo_seed | 0
- geqo_selection_bias | 2
- geqo_threshold | 12
- constraint_exclusion | partition
- cursor_tuple_fraction | 0.1
- default_statistics_target | 100
- force_parallel_mode | off
- from_collapse_limit | 8
- join_collapse_limit | 8
- cpu_index_tuple_cost | 0.005
- cpu_operator_cost | 0.0025
- cpu_tuple_cost | 0.01
- effective_cache_size | 16384
- min_parallel_index_scan_size | 64
- min_parallel_table_scan_size | 1024
- parallel_setup_cost | 1000
- parallel_tuple_cost | 0.1
- random_page_cost | 4
- seq_page_cost | 1
- enable_bitmapscan | on
- enable_gathermerge | on
- enable_hashagg | on
- enable_hashjoin | on
- enable_indexonlyscan | on
- enable_indexscan | off
- enable_material | on
- enable_mergejoin | off
- enable_nestloop | on
- enable_seqscan | on
- enable_sort | on
- enable_tidscan | on
- client_min_messages | log
-(36 rows)
+ name | setting
+--------------------------------+-----------
+ geqo | on
+ geqo_effort | 5
+ geqo_generations | 0
+ geqo_pool_size | 0
+ geqo_seed | 0
+ geqo_selection_bias | 2
+ geqo_threshold | 12
+ constraint_exclusion | partition
+ cursor_tuple_fraction | 0.1
+ default_statistics_target | 100
+ force_parallel_mode | off
+ from_collapse_limit | 8
+ jit | on
+ join_collapse_limit | 8
+ cpu_index_tuple_cost | 0.005
+ cpu_operator_cost | 0.0025
+ cpu_tuple_cost | 0.01
+ effective_cache_size | 16384
+ jit_above_cost | 100000
+ jit_inline_above_cost | 500000
+ jit_optimize_above_cost | 500000
+ min_parallel_index_scan_size | 64
+ min_parallel_table_scan_size | 1024
+ parallel_setup_cost | 1000
+ parallel_tuple_cost | 0.1
+ random_page_cost | 4
+ seq_page_cost | 1
+ enable_bitmapscan | on
+ enable_gathermerge | on
+ enable_hashagg | on
+ enable_hashjoin | on
+ enable_indexonlyscan | on
+ enable_indexscan | off
+ enable_material | on
+ enable_mergejoin | off
+ enable_nestloop | on
+ enable_parallel_append | on
+ enable_parallel_hash | on
+ enable_partition_pruning | on
+ enable_partitionwise_aggregate | off
+ enable_partitionwise_join | off
+ enable_seqscan | on
+ enable_sort | on
+ enable_tidscan | on
+ client_min_messages | log
+(45 rows)
/*+Set(enable_indexscan on)Set(geqo_threshold 100)IndexScan(t2)MergeJoin(t1 t2)Leading(t2 t1)*/
EXPLAIN (COSTS false) SELECT * FROM s1.t1, s1.t2 WHERE t1.c1 = t2.c1;
(4 rows)
SELECT name, setting FROM settings;
- name | setting
-------------------------------+-----------
- geqo | on
- geqo_effort | 5
- geqo_generations | 0
- geqo_pool_size | 0
- geqo_seed | 0
- geqo_selection_bias | 2
- geqo_threshold | 12
- constraint_exclusion | partition
- cursor_tuple_fraction | 0.1
- default_statistics_target | 100
- force_parallel_mode | off
- from_collapse_limit | 8
- join_collapse_limit | 8
- cpu_index_tuple_cost | 0.005
- cpu_operator_cost | 0.0025
- cpu_tuple_cost | 0.01
- effective_cache_size | 16384
- min_parallel_index_scan_size | 64
- min_parallel_table_scan_size | 1024
- parallel_setup_cost | 1000
- parallel_tuple_cost | 0.1
- random_page_cost | 4
- seq_page_cost | 1
- enable_bitmapscan | on
- enable_gathermerge | on
- enable_hashagg | on
- enable_hashjoin | on
- enable_indexonlyscan | on
- enable_indexscan | off
- enable_material | on
- enable_mergejoin | off
- enable_nestloop | on
- enable_seqscan | on
- enable_sort | on
- enable_tidscan | on
- client_min_messages | log
-(36 rows)
+ name | setting
+--------------------------------+-----------
+ geqo | on
+ geqo_effort | 5
+ geqo_generations | 0
+ geqo_pool_size | 0
+ geqo_seed | 0
+ geqo_selection_bias | 2
+ geqo_threshold | 12
+ constraint_exclusion | partition
+ cursor_tuple_fraction | 0.1
+ default_statistics_target | 100
+ force_parallel_mode | off
+ from_collapse_limit | 8
+ jit | on
+ join_collapse_limit | 8
+ cpu_index_tuple_cost | 0.005
+ cpu_operator_cost | 0.0025
+ cpu_tuple_cost | 0.01
+ effective_cache_size | 16384
+ jit_above_cost | 100000
+ jit_inline_above_cost | 500000
+ jit_optimize_above_cost | 500000
+ min_parallel_index_scan_size | 64
+ min_parallel_table_scan_size | 1024
+ parallel_setup_cost | 1000
+ parallel_tuple_cost | 0.1
+ random_page_cost | 4
+ seq_page_cost | 1
+ enable_bitmapscan | on
+ enable_gathermerge | on
+ enable_hashagg | on
+ enable_hashjoin | on
+ enable_indexonlyscan | on
+ enable_indexscan | off
+ enable_material | on
+ enable_mergejoin | off
+ enable_nestloop | on
+ enable_parallel_append | on
+ enable_parallel_hash | on
+ enable_partition_pruning | on
+ enable_partitionwise_aggregate | off
+ enable_partitionwise_join | off
+ enable_seqscan | on
+ enable_sort | on
+ enable_tidscan | on
+ client_min_messages | log
+(45 rows)
EXPLAIN (COSTS false) SELECT * FROM s1.t1, s1.t2 WHERE t1.c1 = t2.c1;
QUERY PLAN
(5 rows)
SELECT name, setting FROM settings;
- name | setting
-------------------------------+-----------
- geqo | on
- geqo_effort | 5
- geqo_generations | 0
- geqo_pool_size | 0
- geqo_seed | 0
- geqo_selection_bias | 2
- geqo_threshold | 12
- constraint_exclusion | partition
- cursor_tuple_fraction | 0.1
- default_statistics_target | 100
- force_parallel_mode | off
- from_collapse_limit | 8
- join_collapse_limit | 8
- cpu_index_tuple_cost | 0.005
- cpu_operator_cost | 0.0025
- cpu_tuple_cost | 0.01
- effective_cache_size | 16384
- min_parallel_index_scan_size | 64
- min_parallel_table_scan_size | 1024
- parallel_setup_cost | 1000
- parallel_tuple_cost | 0.1
- random_page_cost | 4
- seq_page_cost | 1
- enable_bitmapscan | on
- enable_gathermerge | on
- enable_hashagg | on
- enable_hashjoin | on
- enable_indexonlyscan | on
- enable_indexscan | off
- enable_material | on
- enable_mergejoin | off
- enable_nestloop | on
- enable_seqscan | on
- enable_sort | on
- enable_tidscan | on
- client_min_messages | log
-(36 rows)
+ name | setting
+--------------------------------+-----------
+ geqo | on
+ geqo_effort | 5
+ geqo_generations | 0
+ geqo_pool_size | 0
+ geqo_seed | 0
+ geqo_selection_bias | 2
+ geqo_threshold | 12
+ constraint_exclusion | partition
+ cursor_tuple_fraction | 0.1
+ default_statistics_target | 100
+ force_parallel_mode | off
+ from_collapse_limit | 8
+ jit | on
+ join_collapse_limit | 8
+ cpu_index_tuple_cost | 0.005
+ cpu_operator_cost | 0.0025
+ cpu_tuple_cost | 0.01
+ effective_cache_size | 16384
+ jit_above_cost | 100000
+ jit_inline_above_cost | 500000
+ jit_optimize_above_cost | 500000
+ min_parallel_index_scan_size | 64
+ min_parallel_table_scan_size | 1024
+ parallel_setup_cost | 1000
+ parallel_tuple_cost | 0.1
+ random_page_cost | 4
+ seq_page_cost | 1
+ enable_bitmapscan | on
+ enable_gathermerge | on
+ enable_hashagg | on
+ enable_hashjoin | on
+ enable_indexonlyscan | on
+ enable_indexscan | off
+ enable_material | on
+ enable_mergejoin | off
+ enable_nestloop | on
+ enable_parallel_append | on
+ enable_parallel_hash | on
+ enable_partition_pruning | on
+ enable_partitionwise_aggregate | off
+ enable_partitionwise_join | off
+ enable_seqscan | on
+ enable_sort | on
+ enable_tidscan | on
+ client_min_messages | log
+(45 rows)
BEGIN;
/*+Set(enable_indexscan on)Set(geqo_threshold 100)IndexScan(t2)MergeJoin(t1 t2)Leading(t2 t1)*/
COMMIT;
BEGIN;
SELECT name, setting FROM settings;
- name | setting
-------------------------------+-----------
- geqo | on
- geqo_effort | 5
- geqo_generations | 0
- geqo_pool_size | 0
- geqo_seed | 0
- geqo_selection_bias | 2
- geqo_threshold | 12
- constraint_exclusion | partition
- cursor_tuple_fraction | 0.1
- default_statistics_target | 100
- force_parallel_mode | off
- from_collapse_limit | 8
- join_collapse_limit | 8
- cpu_index_tuple_cost | 0.005
- cpu_operator_cost | 0.0025
- cpu_tuple_cost | 0.01
- effective_cache_size | 16384
- min_parallel_index_scan_size | 64
- min_parallel_table_scan_size | 1024
- parallel_setup_cost | 1000
- parallel_tuple_cost | 0.1
- random_page_cost | 4
- seq_page_cost | 1
- enable_bitmapscan | on
- enable_gathermerge | on
- enable_hashagg | on
- enable_hashjoin | on
- enable_indexonlyscan | on
- enable_indexscan | off
- enable_material | on
- enable_mergejoin | off
- enable_nestloop | on
- enable_seqscan | on
- enable_sort | on
- enable_tidscan | on
- client_min_messages | log
-(36 rows)
+ name | setting
+--------------------------------+-----------
+ geqo | on
+ geqo_effort | 5
+ geqo_generations | 0
+ geqo_pool_size | 0
+ geqo_seed | 0
+ geqo_selection_bias | 2
+ geqo_threshold | 12
+ constraint_exclusion | partition
+ cursor_tuple_fraction | 0.1
+ default_statistics_target | 100
+ force_parallel_mode | off
+ from_collapse_limit | 8
+ jit | on
+ join_collapse_limit | 8
+ cpu_index_tuple_cost | 0.005
+ cpu_operator_cost | 0.0025
+ cpu_tuple_cost | 0.01
+ effective_cache_size | 16384
+ jit_above_cost | 100000
+ jit_inline_above_cost | 500000
+ jit_optimize_above_cost | 500000
+ min_parallel_index_scan_size | 64
+ min_parallel_table_scan_size | 1024
+ parallel_setup_cost | 1000
+ parallel_tuple_cost | 0.1
+ random_page_cost | 4
+ seq_page_cost | 1
+ enable_bitmapscan | on
+ enable_gathermerge | on
+ enable_hashagg | on
+ enable_hashjoin | on
+ enable_indexonlyscan | on
+ enable_indexscan | off
+ enable_material | on
+ enable_mergejoin | off
+ enable_nestloop | on
+ enable_parallel_append | on
+ enable_parallel_hash | on
+ enable_partition_pruning | on
+ enable_partitionwise_aggregate | off
+ enable_partitionwise_join | off
+ enable_seqscan | on
+ enable_sort | on
+ enable_tidscan | on
+ client_min_messages | log
+(45 rows)
EXPLAIN (COSTS false) SELECT * FROM s1.t1, s1.t2 WHERE t1.c1 = t2.c1;
QUERY PLAN
(5 rows)
SELECT name, setting FROM settings;
- name | setting
-------------------------------+-----------
- geqo | on
- geqo_effort | 5
- geqo_generations | 0
- geqo_pool_size | 0
- geqo_seed | 0
- geqo_selection_bias | 2
- geqo_threshold | 12
- constraint_exclusion | partition
- cursor_tuple_fraction | 0.1
- default_statistics_target | 100
- force_parallel_mode | off
- from_collapse_limit | 8
- join_collapse_limit | 8
- cpu_index_tuple_cost | 0.005
- cpu_operator_cost | 0.0025
- cpu_tuple_cost | 0.01
- effective_cache_size | 16384
- min_parallel_index_scan_size | 64
- min_parallel_table_scan_size | 1024
- parallel_setup_cost | 1000
- parallel_tuple_cost | 0.1
- random_page_cost | 4
- seq_page_cost | 1
- enable_bitmapscan | on
- enable_gathermerge | on
- enable_hashagg | on
- enable_hashjoin | on
- enable_indexonlyscan | on
- enable_indexscan | off
- enable_material | on
- enable_mergejoin | off
- enable_nestloop | on
- enable_seqscan | on
- enable_sort | on
- enable_tidscan | on
- client_min_messages | log
-(36 rows)
+ name | setting
+--------------------------------+-----------
+ geqo | on
+ geqo_effort | 5
+ geqo_generations | 0
+ geqo_pool_size | 0
+ geqo_seed | 0
+ geqo_selection_bias | 2
+ geqo_threshold | 12
+ constraint_exclusion | partition
+ cursor_tuple_fraction | 0.1
+ default_statistics_target | 100
+ force_parallel_mode | off
+ from_collapse_limit | 8
+ jit | on
+ join_collapse_limit | 8
+ cpu_index_tuple_cost | 0.005
+ cpu_operator_cost | 0.0025
+ cpu_tuple_cost | 0.01
+ effective_cache_size | 16384
+ jit_above_cost | 100000
+ jit_inline_above_cost | 500000
+ jit_optimize_above_cost | 500000
+ min_parallel_index_scan_size | 64
+ min_parallel_table_scan_size | 1024
+ parallel_setup_cost | 1000
+ parallel_tuple_cost | 0.1
+ random_page_cost | 4
+ seq_page_cost | 1
+ enable_bitmapscan | on
+ enable_gathermerge | on
+ enable_hashagg | on
+ enable_hashjoin | on
+ enable_indexonlyscan | on
+ enable_indexscan | off
+ enable_material | on
+ enable_mergejoin | off
+ enable_nestloop | on
+ enable_parallel_append | on
+ enable_parallel_hash | on
+ enable_partition_pruning | on
+ enable_partitionwise_aggregate | off
+ enable_partitionwise_join | off
+ enable_seqscan | on
+ enable_sort | on
+ enable_tidscan | on
+ client_min_messages | log
+(45 rows)
/*+Set(enable_indexscan on)Set(geqo_threshold 100)IndexScan(t2)MergeJoin(t1 t2)Leading(t2 t1)*/
EXPLAIN (COSTS false) SELECT * FROM s1.t1, s1.t2 WHERE t1.c1 = t2.c1;
SET enable_mergejoin TO off;
LOAD 'pg_hint_plan';
SELECT name, setting FROM settings;
- name | setting
-------------------------------+-----------
- geqo | on
- geqo_effort | 5
- geqo_generations | 0
- geqo_pool_size | 0
- geqo_seed | 0
- geqo_selection_bias | 2
- geqo_threshold | 12
- constraint_exclusion | partition
- cursor_tuple_fraction | 0.1
- default_statistics_target | 100
- force_parallel_mode | off
- from_collapse_limit | 8
- join_collapse_limit | 8
- cpu_index_tuple_cost | 0.005
- cpu_operator_cost | 0.0025
- cpu_tuple_cost | 0.01
- effective_cache_size | 16384
- min_parallel_index_scan_size | 64
- min_parallel_table_scan_size | 1024
- parallel_setup_cost | 1000
- parallel_tuple_cost | 0.1
- random_page_cost | 4
- seq_page_cost | 1
- enable_bitmapscan | on
- enable_gathermerge | on
- enable_hashagg | on
- enable_hashjoin | on
- enable_indexonlyscan | on
- enable_indexscan | off
- enable_material | on
- enable_mergejoin | off
- enable_nestloop | on
- enable_seqscan | on
- enable_sort | on
- enable_tidscan | on
- client_min_messages | notice
-(36 rows)
+ name | setting
+--------------------------------+-----------
+ geqo | on
+ geqo_effort | 5
+ geqo_generations | 0
+ geqo_pool_size | 0
+ geqo_seed | 0
+ geqo_selection_bias | 2
+ geqo_threshold | 12
+ constraint_exclusion | partition
+ cursor_tuple_fraction | 0.1
+ default_statistics_target | 100
+ force_parallel_mode | off
+ from_collapse_limit | 8
+ jit | on
+ join_collapse_limit | 8
+ cpu_index_tuple_cost | 0.005
+ cpu_operator_cost | 0.0025
+ cpu_tuple_cost | 0.01
+ effective_cache_size | 16384
+ jit_above_cost | 100000
+ jit_inline_above_cost | 500000
+ jit_optimize_above_cost | 500000
+ min_parallel_index_scan_size | 64
+ min_parallel_table_scan_size | 1024
+ parallel_setup_cost | 1000
+ parallel_tuple_cost | 0.1
+ random_page_cost | 4
+ seq_page_cost | 1
+ enable_bitmapscan | on
+ enable_gathermerge | on
+ enable_hashagg | on
+ enable_hashjoin | on
+ enable_indexonlyscan | on
+ enable_indexscan | off
+ enable_material | on
+ enable_mergejoin | off
+ enable_nestloop | on
+ enable_parallel_append | on
+ enable_parallel_hash | on
+ enable_partition_pruning | on
+ enable_partitionwise_aggregate | off
+ enable_partitionwise_join | off
+ enable_seqscan | on
+ enable_sort | on
+ enable_tidscan | on
+ client_min_messages | notice
+(45 rows)
EXPLAIN (COSTS false) SELECT * FROM s1.t1, s1.t2 WHERE t1.c1 = t2.c1;
QUERY PLAN
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