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PG-606: New GUC required for enabling/disabling of pgsm_query_id calculation… (#383)
* PG-606: New GUC required for enabling/disabling of pgsm_query_id calculation Adds a new GUC pg_stat_monitor.pgsm_enable_pgsm_query_id to enable/disable pgsm query id calculation. Apart from that patch also refactors the GUC-related code to match PostgreSQL conventions. Moreover, the commit also changes the pgsm_enable_overflow GUC to boolean instead of enum.
This commit is contained in:
Muhammad Usama
GitHub
@@ -16,23 +16,25 @@ WHERE name LIKE 'pg_stat_monitor.%'
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ORDER
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BY name
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COLLATE "C";
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name | setting | unit | context | vartype | source | min_val | max_val | enumvals | boot_val | reset_val | pending_restart
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------------------------------------------+---------+------+------------+---------+---------+---------+------------+----------------+----------+-----------+-----------------
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pg_stat_monitor.pgsm_bucket_time | 60 | | postmaster | integer | default | 1 | 2147483647 | | 60 | 60 | f
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pg_stat_monitor.pgsm_enable_query_plan | off | | user | bool | default | | | | off | off | f
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pg_stat_monitor.pgsm_extract_comments | off | | user | bool | default | | | | off | off | f
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pg_stat_monitor.pgsm_histogram_buckets | 20 | | postmaster | integer | default | 2 | 50 | | 20 | 20 | f
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pg_stat_monitor.pgsm_histogram_max | 100000 | | postmaster | integer | default | 10 | 2147483647 | | 100000 | 100000 | f
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pg_stat_monitor.pgsm_histogram_min | 1 | | postmaster | integer | default | 0 | 2147483647 | | 1 | 1 | f
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pg_stat_monitor.pgsm_max | 256 | MB | postmaster | integer | default | 10 | 10240 | | 256 | 256 | f
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pg_stat_monitor.pgsm_max_buckets | 10 | | postmaster | integer | default | 1 | 20000 | | 10 | 10 | f
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pg_stat_monitor.pgsm_normalized_query | off | | user | bool | default | | | | off | off | f
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pg_stat_monitor.pgsm_overflow_target | 1 | | postmaster | integer | default | 0 | 1 | | 1 | 1 | f
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pg_stat_monitor.pgsm_query_max_len | 2048 | | postmaster | integer | default | 1024 | 2147483647 | | 2048 | 2048 | f
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pg_stat_monitor.pgsm_query_shared_buffer | 20 | MB | postmaster | integer | default | 1 | 10000 | | 20 | 20 | f
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pg_stat_monitor.pgsm_track | top | | user | enum | default | | | {none,top,all} | top | top | f
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pg_stat_monitor.pgsm_track_planning | off | | user | bool | default | | | | off | off | f
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pg_stat_monitor.pgsm_track_utility | on | | user | bool | default | | | | on | on | f
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(15 rows)
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name | setting | unit | context | vartype | source | min_val | max_val | enumvals | boot_val | reset_val | pending_restart
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-------------------------------------------+---------+------+------------+---------+---------+---------+------------+----------------+----------+-----------+-----------------
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pg_stat_monitor.pgsm_bucket_time | 60 | | postmaster | integer | default | 1 | 2147483647 | | 60 | 60 | f
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pg_stat_monitor.pgsm_enable_overflow | on | | postmaster | bool | default | | | | on | on | f
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pg_stat_monitor.pgsm_enable_pgsm_query_id | on | | user | bool | default | | | | on | on | f
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pg_stat_monitor.pgsm_enable_query_plan | off | | user | bool | default | | | | off | off | f
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pg_stat_monitor.pgsm_extract_comments | off | | user | bool | default | | | | off | off | f
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pg_stat_monitor.pgsm_histogram_buckets | 20 | | postmaster | integer | default | 2 | 50 | | 20 | 20 | f
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pg_stat_monitor.pgsm_histogram_max | 100000 | | postmaster | integer | default | 10 | 2147483647 | | 100000 | 100000 | f
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pg_stat_monitor.pgsm_histogram_min | 1 | | postmaster | integer | default | 0 | 2147483647 | | 1 | 1 | f
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pg_stat_monitor.pgsm_max | 256 | MB | postmaster | integer | default | 10 | 10240 | | 256 | 256 | f
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pg_stat_monitor.pgsm_max_buckets | 10 | | postmaster | integer | default | 1 | 20000 | | 10 | 10 | f
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pg_stat_monitor.pgsm_normalized_query | off | | user | bool | default | | | | off | off | f
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pg_stat_monitor.pgsm_overflow_target | 1 | | postmaster | integer | default | 0 | 1 | | 1 | 1 | f
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pg_stat_monitor.pgsm_query_max_len | 2048 | | postmaster | integer | default | 1024 | 2147483647 | | 2048 | 2048 | f
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pg_stat_monitor.pgsm_query_shared_buffer | 20 | MB | postmaster | integer | default | 1 | 10000 | | 20 | 20 | f
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pg_stat_monitor.pgsm_track | top | | user | enum | default | | | {none,top,all} | top | top | f
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pg_stat_monitor.pgsm_track_planning | off | | user | bool | default | | | | off | off | f
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pg_stat_monitor.pgsm_track_utility | on | | user | bool | default | | | | on | on | f
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(17 rows)
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DROP EXTENSION pg_stat_monitor;
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@@ -16,22 +16,24 @@ WHERE name LIKE 'pg_stat_monitor.%'
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ORDER
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BY name
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COLLATE "C";
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name | setting | unit | context | vartype | source | min_val | max_val | enumvals | boot_val | reset_val | pending_restart
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------------------------------------------+---------+------+------------+---------+---------+---------+------------+----------------+----------+-----------+-----------------
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pg_stat_monitor.pgsm_bucket_time | 60 | | postmaster | integer | default | 1 | 2147483647 | | 60 | 60 | f
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pg_stat_monitor.pgsm_enable_query_plan | off | | user | bool | default | | | | off | off | f
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pg_stat_monitor.pgsm_extract_comments | off | | user | bool | default | | | | off | off | f
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pg_stat_monitor.pgsm_histogram_buckets | 20 | | postmaster | integer | default | 2 | 50 | | 20 | 20 | f
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pg_stat_monitor.pgsm_histogram_max | 100000 | | postmaster | integer | default | 10 | 2147483647 | | 100000 | 100000 | f
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pg_stat_monitor.pgsm_histogram_min | 1 | | postmaster | integer | default | 0 | 2147483647 | | 1 | 1 | f
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pg_stat_monitor.pgsm_max | 256 | MB | postmaster | integer | default | 10 | 10240 | | 256 | 256 | f
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pg_stat_monitor.pgsm_max_buckets | 10 | | postmaster | integer | default | 1 | 20000 | | 10 | 10 | f
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pg_stat_monitor.pgsm_normalized_query | off | | user | bool | default | | | | off | off | f
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pg_stat_monitor.pgsm_overflow_target | 1 | | postmaster | integer | default | 0 | 1 | | 1 | 1 | f
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pg_stat_monitor.pgsm_query_max_len | 2048 | | postmaster | integer | default | 1024 | 2147483647 | | 2048 | 2048 | f
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pg_stat_monitor.pgsm_query_shared_buffer | 20 | MB | postmaster | integer | default | 1 | 10000 | | 20 | 20 | f
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pg_stat_monitor.pgsm_track | top | | user | enum | default | | | {none,top,all} | top | top | f
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pg_stat_monitor.pgsm_track_utility | on | | user | bool | default | | | | on | on | f
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(14 rows)
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name | setting | unit | context | vartype | source | min_val | max_val | enumvals | boot_val | reset_val | pending_restart
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-------------------------------------------+---------+------+------------+---------+---------+---------+------------+----------------+----------+-----------+-----------------
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pg_stat_monitor.pgsm_bucket_time | 60 | | postmaster | integer | default | 1 | 2147483647 | | 60 | 60 | f
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pg_stat_monitor.pgsm_enable_overflow | on | | postmaster | bool | default | | | | on | on | f
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pg_stat_monitor.pgsm_enable_pgsm_query_id | on | | user | bool | default | | | | on | on | f
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pg_stat_monitor.pgsm_enable_query_plan | off | | user | bool | default | | | | off | off | f
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pg_stat_monitor.pgsm_extract_comments | off | | user | bool | default | | | | off | off | f
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pg_stat_monitor.pgsm_histogram_buckets | 20 | | postmaster | integer | default | 2 | 50 | | 20 | 20 | f
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pg_stat_monitor.pgsm_histogram_max | 100000 | | postmaster | integer | default | 10 | 2147483647 | | 100000 | 100000 | f
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pg_stat_monitor.pgsm_histogram_min | 1 | | postmaster | integer | default | 0 | 2147483647 | | 1 | 1 | f
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pg_stat_monitor.pgsm_max | 256 | MB | postmaster | integer | default | 10 | 10240 | | 256 | 256 | f
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pg_stat_monitor.pgsm_max_buckets | 10 | | postmaster | integer | default | 1 | 20000 | | 10 | 10 | f
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pg_stat_monitor.pgsm_normalized_query | off | | user | bool | default | | | | off | off | f
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pg_stat_monitor.pgsm_overflow_target | 1 | | postmaster | integer | default | 0 | 1 | | 1 | 1 | f
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pg_stat_monitor.pgsm_query_max_len | 2048 | | postmaster | integer | default | 1024 | 2147483647 | | 2048 | 2048 | f
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pg_stat_monitor.pgsm_query_shared_buffer | 20 | MB | postmaster | integer | default | 1 | 10000 | | 20 | 20 | f
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pg_stat_monitor.pgsm_track | top | | user | enum | default | | | {none,top,all} | top | top | f
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pg_stat_monitor.pgsm_track_utility | on | | user | bool | default | | | | on | on | f
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(16 rows)
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DROP EXTENSION pg_stat_monitor;
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@@ -67,25 +67,35 @@ SELECT *, ADD(1, 2) FROM t1;
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---+-----
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(0 rows)
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set pg_stat_monitor.pgsm_enable_pgsm_query_id = off;
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SELECT * FROM t3;
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c
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---
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(0 rows)
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set pg_stat_monitor.pgsm_enable_pgsm_query_id = on;
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SELECT * FROM t3 where c = 20;
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c
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---
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(0 rows)
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\c contrib_regression
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SELECT datname, pgsm_query_id, query, calls FROM pg_stat_monitor ORDER BY pgsm_query_id, query, datname;
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datname | pgsm_query_id | query | calls
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--------------------+----------------------+--------------------------------+-------
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db2 | -5029137034974447432 | SELECT * FROM t3 | 1
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contrib_regression | 689150021118383254 | SELECT pg_stat_monitor_reset() | 1
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db1 | 1897482803466821995 | SELECT * FROM t2 | 3
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db1 | 1988437669671417938 | SELECT * FROM t1 | 1
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db2 | 1988437669671417938 | SELECT * FROM t1 | 1
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db1 | 2864453209316739369 | select $1 + $2 | 1
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db2 | 2864453209316739369 | select $1 + $2 | 1
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db1 | 8140395000078788481 | SELECT *, ADD(1, 2) FROM t1 | 1
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db2 | 8140395000078788481 | SELECT *, ADD(1, 2) FROM t1 | 1
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(9 rows)
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datname | pgsm_query_id | query | calls
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--------------------+---------------------+-----------------------------------------------------+-------
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contrib_regression | 689150021118383254 | SELECT pg_stat_monitor_reset() | 1
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db1 | 1897482803466821995 | SELECT * FROM t2 | 3
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db1 | 1988437669671417938 | SELECT * FROM t1 | 1
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db2 | 1988437669671417938 | SELECT * FROM t1 | 1
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db1 | 2864453209316739369 | select $1 + $2 | 1
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db2 | 2864453209316739369 | select $1 + $2 | 1
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db2 | 6220142855706866455 | set pg_stat_monitor.pgsm_enable_pgsm_query_id = on | 1
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db2 | 6633979598391393345 | SELECT * FROM t3 where c = 20 | 1
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db1 | 8140395000078788481 | SELECT *, ADD(1, 2) FROM t1 | 1
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db2 | 8140395000078788481 | SELECT *, ADD(1, 2) FROM t1 | 1
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db2 | | SELECT * FROM t3 | 1
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db2 | | set pg_stat_monitor.pgsm_enable_pgsm_query_id = off | 1
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(12 rows)
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SELECT pg_stat_monitor_reset();
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pg_stat_monitor_reset
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