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Merge pull request #334 from EngineeredVirus/main 

PG-354: pg_stat_monitor: Remove pg_stat_monitor_settings view
pull/339/head
Ibrar Ahmed 2022-12-21 20:34:00 +05:00 committed by GitHub
parent 8dffa8cc97 2917ae6805
commit 7c5ad48276
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 307 additions and 198 deletions
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2
pg_stat_monitor--1.0--2.0.sql
View File

@ -8,6 +8,7 @@ DROP FUNCTION pgsm_create_11_view CASCADE;
DROP FUNCTION pgsm_create_13_view CASCADE;
DROP FUNCTION pgsm_create_14_view CASCADE;
DROP FUNCTION pgsm_create_view CASCADE;
DROP FUNCTION pg_stat_monitor_settings CASCADE;
-- pg_stat_monitor internal function, must not call outside from this file.
CREATE FUNCTION pg_stat_monitor_internal(
@ -369,7 +370,6 @@ SELECT pgsm_create_view();
REVOKE ALL ON FUNCTION range FROM PUBLIC;
REVOKE ALL ON FUNCTION get_cmd_type FROM PUBLIC;
REVOKE ALL ON FUNCTION pg_stat_monitor_settings FROM PUBLIC;
REVOKE ALL ON FUNCTION decode_error_level FROM PUBLIC;
REVOKE ALL ON FUNCTION pg_stat_monitor_internal FROM PUBLIC;
REVOKE ALL ON FUNCTION get_histogram_timings FROM PUBLIC;

26
pg_stat_monitor--2.0.sql
View File

@ -41,31 +41,6 @@ SELECT
$$
LANGUAGE SQL PARALLEL SAFE;
CREATE FUNCTION pg_stat_monitor_settings(
OUT name text,
OUT value text,
OUT default_value text,
OUT description text,
OUT minimum INTEGER,
OUT maximum INTEGER,
OUT options text,
OUT restart text
)
RETURNS SETOF record
AS 'MODULE_PATHNAME', 'pg_stat_monitor_settings'
LANGUAGE C STRICT VOLATILE PARALLEL SAFE;
CREATE VIEW pg_stat_monitor_settings AS SELECT
name,
value,
default_value,
description,
minimum,
maximum,
options,
restart
FROM pg_stat_monitor_settings();
CREATE FUNCTION decode_error_level(elevel int)
RETURNS text
AS
@ -465,7 +440,6 @@ $$ LANGUAGE plpgsql;
SELECT pgsm_create_view();
REVOKE ALL ON FUNCTION range FROM PUBLIC;
REVOKE ALL ON FUNCTION get_cmd_type FROM PUBLIC;
REVOKE ALL ON FUNCTION pg_stat_monitor_settings FROM PUBLIC;
REVOKE ALL ON FUNCTION decode_error_level FROM PUBLIC;
REVOKE ALL ON FUNCTION pg_stat_monitor_internal FROM PUBLIC;
REVOKE ALL ON FUNCTION get_histogram_timings FROM PUBLIC;

131
pg_stat_monitor.c
View File

@ -123,7 +123,6 @@ PG_FUNCTION_INFO_V1(pg_stat_monitor_reset);
PG_FUNCTION_INFO_V1(pg_stat_monitor_1_0);
PG_FUNCTION_INFO_V1(pg_stat_monitor_2_0);
PG_FUNCTION_INFO_V1(pg_stat_monitor);
PG_FUNCTION_INFO_V1(pg_stat_monitor_settings);
PG_FUNCTION_INFO_V1(get_histogram_timings);
PG_FUNCTION_INFO_V1(pg_stat_monitor_hook_stats);
@ -3115,136 +3114,6 @@ intarray_get_datum(int32 arr[], int len)
}
Datum
pg_stat_monitor_settings(PG_FUNCTION_ARGS)
{
ReturnSetInfo *rsinfo = (ReturnSetInfo *) fcinfo->resultinfo;
TupleDesc tupdesc;
Tuplestorestate *tupstore;
MemoryContext per_query_ctx;
MemoryContext oldcontext;
int i;
/* Safety check... */
if (!IsSystemInitialized())
ereport(ERROR,
(errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
errmsg("pg_stat_monitor: must be loaded via shared_preload_libraries")));
/* check to see if caller supports us returning a tuplestore */
if (rsinfo == NULL || !IsA(rsinfo, ReturnSetInfo))
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("pg_stat_monitor: set-valued function called in context that cannot accept a set")));
/* Switch into long-lived context to construct returned data structures */
per_query_ctx = rsinfo->econtext->ecxt_per_query_memory;
oldcontext = MemoryContextSwitchTo(per_query_ctx);
/* Build a tuple descriptor for our result type */
if (get_call_result_type(fcinfo, NULL, &tupdesc) != TYPEFUNC_COMPOSITE)
{
elog(ERROR, "pg_stat_monitor_settings: return type must be a row type");
return (Datum) 0;
}
if (tupdesc->natts != 8)
{
elog(ERROR, "pg_stat_monitor_settings: incorrect number of output arguments, required: 7, found %d", tupdesc->natts);
return (Datum) 0;
}
tupstore = tuplestore_begin_heap(true, false, work_mem);
rsinfo->returnMode = SFRM_Materialize;
rsinfo->setResult = tupstore;
rsinfo->setDesc = tupdesc;
MemoryContextSwitchTo(oldcontext);
for (i = 0; i < MAX_SETTINGS; i++)
{
Datum values[8];
bool nulls[8];
int j = 0;
char options[1024] = "";
GucVariable *conf;
memset(values, 0, sizeof(values));
memset(nulls, 0, sizeof(nulls));
conf = get_conf(i);
values[j++] = CStringGetTextDatum(conf->guc_name);
/* Handle current and default values. */
switch (conf->type)
{
case PGC_ENUM:
values[j++] = CStringGetTextDatum(conf->guc_options[conf->guc_variable]);
values[j++] = CStringGetTextDatum(conf->guc_options[conf->guc_default]);
break;
case PGC_INT:
{
char value[32];
sprintf(value, "%d", conf->guc_variable);
values[j++] = CStringGetTextDatum(value);
sprintf(value, "%d", conf->guc_default);
values[j++] = CStringGetTextDatum(value);
break;
}
case PGC_BOOL:
values[j++] = CStringGetTextDatum(conf->guc_variable ? "yes" : "no");
values[j++] = CStringGetTextDatum(conf->guc_default ? "yes" : "no");
break;
default:
Assert(false);
}
values[j++] = CStringGetTextDatum(get_conf(i)->guc_desc);
/* Minimum and maximum displayed only for integers or real numbers. */
if (conf->type != PGC_INT)
{
nulls[j++] = true;
nulls[j++] = true;
}
else
{
values[j++] = Int32GetDatum(get_conf(i)->guc_min);
values[j++] = Int32GetDatum(get_conf(i)->guc_max);
}
if (conf->type == PGC_ENUM)
{
size_t i;
strcat(options, conf->guc_options[0]);
for (i = 1; i < conf->n_options; ++i)
{
strcat(options, ", ");
strcat(options, conf->guc_options[i]);
}
}
else if (conf->type == PGC_BOOL)
{
strcat(options, "yes, no");
}
values[j++] = CStringGetTextDatum(options);
values[j++] = CStringGetTextDatum(get_conf(i)->guc_restart ? "yes" : "no");
tuplestore_putvalues(tupstore, tupdesc, values, nulls);
}
/* clean up and return the tuplestore */
tuplestore_donestoring(tupstore);
return (Datum) 0;
}
Datum
pg_stat_monitor_hook_stats(PG_FUNCTION_ARGS)
{

313
regression/expected/guc.out
View File

@ -1,39 +1,280 @@
CREATE EXTENSION pg_stat_monitor;
SELECT pg_stat_monitor_reset();
pg_stat_monitor_reset
-----------------------
(1 row)
select pg_sleep(.5);
pg_sleep
----------
(1 row)
SELECT * FROM pg_stat_monitor_settings WHERE name NOT LIKE 'pg_stat_monitor.pgsm_track_planning' ORDER BY name COLLATE "C";
name | value | default_value | description | minimum | maximum | options | restart
------------------------------------------+--------+---------------+----------------------------------------------------------------------------------------------------------+---------+------------+----------------+---------
pg_stat_monitor.pgsm_bucket_time | 60 | 60 | Sets the time in seconds per bucket. | 1 | 2147483647 | | yes
pg_stat_monitor.pgsm_enable_query_plan | no | no | Enable/Disable query plan monitoring | | | yes, no | no
pg_stat_monitor.pgsm_extract_comments | no | no | Enable/Disable extracting comments from queries. | | | yes, no | no
pg_stat_monitor.pgsm_histogram_buckets | 10 | 10 | Sets the maximum number of histogram buckets | 2 | 50 | | yes
pg_stat_monitor.pgsm_histogram_max | 100000 | 100000 | Sets the time in millisecond. | 10 | 2147483647 | | yes
pg_stat_monitor.pgsm_histogram_min | 0 | 0 | Sets the time in millisecond. | 0 | 2147483647 | | yes
pg_stat_monitor.pgsm_max | 100 | 100 | Sets the maximum size of shared memory in (MB) used for statement's metadata tracked by pg_stat_monitor. | 1 | 1000 | | yes
pg_stat_monitor.pgsm_max_buckets | 10 | 10 | Sets the maximum number of buckets. | 1 | 10 | | yes
pg_stat_monitor.pgsm_normalized_query | no | no | Selects whether save query in normalized format. | | | yes, no | no
pg_stat_monitor.pgsm_overflow_target | 1 | 1 | Sets the overflow target for pg_stat_monitor | 0 | 1 | | yes
pg_stat_monitor.pgsm_query_max_len | 2048 | 2048 | Sets the maximum length of query. | 1024 | 2147483647 | | yes
pg_stat_monitor.pgsm_query_shared_buffer | 20 | 20 | Sets the maximum size of shared memory in (MB) used for query tracked by pg_stat_monitor. | 1 | 10000 | | yes
pg_stat_monitor.pgsm_track | top | top | Selects which statements are tracked by pg_stat_monitor. | | | none, top, all | no
pg_stat_monitor.pgsm_track_utility | yes | yes | Selects whether utility commands are tracked. | | | yes, no | no
(14 rows)
SELECT pg_stat_monitor_reset();
pg_stat_monitor_reset
-----------------------
(1 row)
\x
SELECT name
, setting
, unit
, category
, short_desc
, extra_desc
, context
, vartype
, source
, min_val
, max_val
, enumvals
, boot_val
, reset_val
, sourcefile
, sourceline
, pending_restart
FROM pg_settings
WHERE name LIKE 'pg_stat_monitor.%'
AND name NOT LIKE 'pg_stat_monitor.pgsm_track_planning'
ORDER
BY name
COLLATE "C";
-[ RECORD 1 ]---+---------------------------------------------------------------------------------------------------------
name | pg_stat_monitor.pgsm_bucket_time
setting | 60
unit |
category | Customized Options
short_desc | Sets the time in seconds per bucket.
extra_desc |
context | postmaster
vartype | integer
source | default
min_val | 1
max_val | 2147483647
enumvals |
boot_val | 60
reset_val | 60
sourcefile |
sourceline |
pending_restart | f
-[ RECORD 2 ]---+---------------------------------------------------------------------------------------------------------
name | pg_stat_monitor.pgsm_enable_query_plan
setting | off
unit |
category | Customized Options
short_desc | Enable/Disable query plan monitoring
extra_desc |
context | user
vartype | bool
source | default
min_val |
max_val |
enumvals |
boot_val | off
reset_val | off
sourcefile |
sourceline |
pending_restart | f
-[ RECORD 3 ]---+---------------------------------------------------------------------------------------------------------
name | pg_stat_monitor.pgsm_extract_comments
setting | off
unit |
category | Customized Options
short_desc | Enable/Disable extracting comments from queries.
extra_desc |
context | user
vartype | bool
source | default
min_val |
max_val |
enumvals |
boot_val | off
reset_val | off
sourcefile |
sourceline |
pending_restart | f
-[ RECORD 4 ]---+---------------------------------------------------------------------------------------------------------
name | pg_stat_monitor.pgsm_histogram_buckets
setting | 10
unit |
category | Customized Options
short_desc | Sets the maximum number of histogram buckets
extra_desc |
context | postmaster
vartype | integer
source | default
min_val | 2
max_val | 50
enumvals |
boot_val | 10
reset_val | 10
sourcefile |
sourceline |
pending_restart | f
-[ RECORD 5 ]---+---------------------------------------------------------------------------------------------------------
name | pg_stat_monitor.pgsm_histogram_max
setting | 100000
unit |
category | Customized Options
short_desc | Sets the time in millisecond.
extra_desc |
context | postmaster
vartype | integer
source | default
min_val | 10
max_val | 2147483647
enumvals |
boot_val | 100000
reset_val | 100000
sourcefile |
sourceline |
pending_restart | f
-[ RECORD 6 ]---+---------------------------------------------------------------------------------------------------------
name | pg_stat_monitor.pgsm_histogram_min
setting | 0
unit |
category | Customized Options
short_desc | Sets the time in millisecond.
extra_desc |
context | postmaster
vartype | integer
source | default
min_val | 0
max_val | 2147483647
enumvals |
boot_val | 0
reset_val | 0
sourcefile |
sourceline |
pending_restart | f
-[ RECORD 7 ]---+---------------------------------------------------------------------------------------------------------
name | pg_stat_monitor.pgsm_max
setting | 100
unit | MB
category | Customized Options
short_desc | Sets the maximum size of shared memory in (MB) used for statement's metadata tracked by pg_stat_monitor.
extra_desc |
context | postmaster
vartype | integer
source | default
min_val | 1
max_val | 1000
enumvals |
boot_val | 100
reset_val | 100
sourcefile |
sourceline |
pending_restart | f
-[ RECORD 8 ]---+---------------------------------------------------------------------------------------------------------
name | pg_stat_monitor.pgsm_max_buckets
setting | 10
unit |
category | Customized Options
short_desc | Sets the maximum number of buckets.
extra_desc |
context | postmaster
vartype | integer
source | default
min_val | 1
max_val | 10
enumvals |
boot_val | 10
reset_val | 10
sourcefile |
sourceline |
pending_restart | f
-[ RECORD 9 ]---+---------------------------------------------------------------------------------------------------------
name | pg_stat_monitor.pgsm_normalized_query
setting | off
unit |
category | Customized Options
short_desc | Selects whether save query in normalized format.
extra_desc |
context | user
vartype | bool
source | default
min_val |
max_val |
enumvals |
boot_val | off
reset_val | off
sourcefile |
sourceline |
pending_restart | f
-[ RECORD 10 ]--+---------------------------------------------------------------------------------------------------------
name | pg_stat_monitor.pgsm_overflow_target
setting | 1
unit |
category | Customized Options
short_desc | Sets the overflow target for pg_stat_monitor
extra_desc |
context | postmaster
vartype | integer
source | default
min_val | 0
max_val | 1
enumvals |
boot_val | 1
reset_val | 1
sourcefile |
sourceline |
pending_restart | f
-[ RECORD 11 ]--+---------------------------------------------------------------------------------------------------------
name | pg_stat_monitor.pgsm_query_max_len
setting | 2048
unit |
category | Customized Options
short_desc | Sets the maximum length of query.
extra_desc |
context | postmaster
vartype | integer
source | default
min_val | 1024
max_val | 2147483647
enumvals |
boot_val | 2048
reset_val | 2048
sourcefile |
sourceline |
pending_restart | f
-[ RECORD 12 ]--+---------------------------------------------------------------------------------------------------------
name | pg_stat_monitor.pgsm_query_shared_buffer
setting | 20
unit | MB
category | Customized Options
short_desc | Sets the maximum size of shared memory in (MB) used for query tracked by pg_stat_monitor.
extra_desc |
context | postmaster
vartype | integer
source | default
min_val | 1
max_val | 10000
enumvals |
boot_val | 20
reset_val | 20
sourcefile |
sourceline |
pending_restart | f
-[ RECORD 13 ]--+---------------------------------------------------------------------------------------------------------
name | pg_stat_monitor.pgsm_track
setting | top
unit |
category | Customized Options
short_desc | Selects which statements are tracked by pg_stat_monitor.
extra_desc |
context | user
vartype | enum
source | default
min_val |
max_val |
enumvals | {none,top,all}
boot_val | top
reset_val | top
sourcefile |
sourceline |
pending_restart | f
-[ RECORD 14 ]--+---------------------------------------------------------------------------------------------------------
name | pg_stat_monitor.pgsm_track_utility
setting | on
unit |
category | Customized Options
short_desc | Selects whether utility commands are tracked.
extra_desc |
context | user
vartype | bool
source | default
min_val |
max_val |
enumvals |
boot_val | on
reset_val | on
sourcefile |
sourceline |
pending_restart | f
\x
DROP EXTENSION pg_stat_monitor;

33
regression/sql/guc.sql
View File

@ -1,6 +1,31 @@
CREATE EXTENSION pg_stat_monitor;
SELECT pg_stat_monitor_reset();
select pg_sleep(.5);
SELECT * FROM pg_stat_monitor_settings WHERE name NOT LIKE 'pg_stat_monitor.pgsm_track_planning' ORDER BY name COLLATE "C";
SELECT pg_stat_monitor_reset();
\x
SELECT name
, setting
, unit
, category
, short_desc
, extra_desc
, context
, vartype
, source
, min_val
, max_val
, enumvals
, boot_val
, reset_val
, sourcefile
, sourceline
, pending_restart
FROM pg_settings
WHERE name LIKE 'pg_stat_monitor.%'
AND name NOT LIKE 'pg_stat_monitor.pgsm_track_planning'
ORDER
BY name
COLLATE "C";
\x
DROP EXTENSION pg_stat_monitor;