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README Update.

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This commit is contained in:
Ibrar Ahmed
2021-03-31 16:50:50 +05:00
parent f42893472a
commit 1dce75c621
2 changed files with 36 additions and 11 deletions
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19
docs/USER_GUIDE.md
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@@ -79,6 +79,9 @@ pg_stat_monitor extension contains a view called pg_stat_monitor, which contains
 dbid                | oid                      | :heavy_check_mark:  | :heavy_check_mark:
 client_ip           | inet                     | :heavy_check_mark:  | :x:
 queryid             | text                     | :heavy_check_mark:  | :heavy_check_mark:
 planid             | text                     | :heavy_check_mark:  | :x:
 query_plan         | text                     | :heavy_check_mark:  | :x:
 top_query           | text                     | :heavy_check_mark:  | :x:
 query               | text                     | :heavy_check_mark:  | :heavy_check_mark:
 application_name    | text                     | :heavy_check_mark:  | :x:
 relations           | text[]                   | :heavy_check_mark:  | :x:
@@ -98,7 +101,7 @@ pg_stat_monitor extension contains a view called pg_stat_monitor, which contains
 max_time            | double precision         | :heavy_check_mark:  | :heavy_check_mark:
 mean_time           | double precision         | :heavy_check_mark:  | :heavy_check_mark:
 stddev_time         | double precision         | :heavy_check_mark:  | :heavy_check_mark:
 rows                | bigint                   | :heavy_check_mark:  | :heavy_check_mark:
 rows_retrieved      | bigint                   | :heavy_check_mark:  | :heavy_check_mark:
 shared_blks_hit     | bigint                   | :heavy_check_mark:  | :heavy_check_mark:
 shared_blks_read    | bigint                   | :heavy_check_mark:  | :heavy_check_mark:
 shared_blks_dirtied | bigint                   | :heavy_check_mark:  | :heavy_check_mark:
@@ -117,6 +120,8 @@ pg_stat_monitor extension contains a view called pg_stat_monitor, which contains
wal_records | bigint | :heavy_check_mark:  | :heavy_check_mark:
wal_fpi | bigint | :heavy_check_mark:  | :heavy_check_mark:
wal_bytes | numeric | :heavy_check_mark:  | :heavy_check_mark:
state_code | bigint | :heavy_check_mark:  | :x:
 state           | text                   | :heavy_check_mark:  | :x:
@@ -372,17 +377,10 @@ postgres=# SELECT bucket, substr(query,0, 50) AS query, cmd_type FROM pg_stat_mo
**`top_queryid`**: Outer layer caller's query id.
```sql
CREATE OR REPLACE FUNCTION add(int, int) RETURNS INTEGER AS
$$
BEGIN
return (select $1 + $2);
END; $$ language plpgsql;
CREATE OR REPLACE function add2(int, int) RETURNS int as
$$
BEGIN
return add($1,$2);
return (select $1 + $2);
END;
$$ language plpgsql;
@@ -396,9 +394,8 @@ postgres=# SELECT queryid, top_queryid, query, top_query FROM pg_stat_monitor;
queryid | top_queryid | query. | top_query
------------------+------------------+-------------------------------------------------------------------------+-------------------
3408CA84B2353094 | | select add2($1,$2) |
2BAB410CC448CE8D | 3408CA84B2353094 | SELECT add($1,$2) | select add2($1,$2)
762B99349F6C7F31 | 3408CA84B2353094 | SELECT (select $1 + $2) | select add2($1,$2)
(3 rows)
(2 rows)
```
#### Monitor Query Execution Plan.