Created
July 17, 2023 23:04
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there is no parameter $1 error
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| iot_devicereadings=# \d+ iot.device_reading | |
| Table "iot.device_reading" | |
| Column | Type | Collation | Nullable | Default | Storage | Compression | Stats target | Description | |
| -----------+-----------------------------+-----------+----------+---------+----------+-------------+--------------+------------- | |
| asset_id | character varying(36) | | not null | | extended | | | | |
| vendor | character varying(36) | | not null | | extended | | | | |
| vendor_id | character varying(36) | | not null | | extended | | | | |
| type | character varying(36) | | not null | | extended | | | | |
| value | real | | not null | | plain | | | | |
| created | timestamp without time zone | | not null | | plain | | | | |
| Indexes: | |
| "device_reading_pk" PRIMARY KEY, btree (asset_id, type, created) | |
| "device_reading_asset_id_created_idx" btree (asset_id, created) | |
| "device_reading_created_idx" btree (created) | |
| Access method: heap | |
| iot_devicereadings=# \dx | |
| List of installed extensions | |
| Name | Version | Schema | Description | |
| --------------------+---------+------------+------------------------------------------------------------------------ | |
| citus | 11.2-2 | pg_catalog | Citus distributed database | |
| citus_columnar | 11.1-1 | pg_catalog | Citus Columnar extension | |
| pg_buffercache | 1.3 | public | examine the shared buffer cache | |
| pg_repack | 1.4.8 | public | Reorganize tables in PostgreSQL databases with minimal locks | |
| pg_stat_statements | 1.9 | public | track planning and execution statistics of all SQL statements executed | |
| pgaudit | 1.6.2 | public | provides auditing functionality | |
| plpgsql | 1.0 | pg_catalog | PL/pgSQL procedural language | |
| uuid-ossp | 1.1 | public | generate universally unique identifiers (UUIDs) | |
| (8 rows) | |
| iot_devicereadings=# select version(); | |
| version | |
| ----------------------------------------------------------------------------------------------------------------------------------- | |
| PostgreSQL 14.8 (Ubuntu 14.8-1.pgdg20.04+1) on x86_64-pc-linux-gnu, compiled by gcc (Ubuntu 9.4.0-1ubuntu1~20.04.1) 9.4.0, 64-bit | |
| (1 row) | |
| iot_devicereadings=# select * from citus_tables; -- there are other sharded tables | |
| table_name | citus_table_type | distribution_column | colocation_id | table_size | shard_count | table_owner | access_method | |
| --------------------------------+------------------+---------------------+---------------+------------+-------------+-----------------------------+--------------- | |
| iot.device_reading | distributed | asset_id | 5 | 173 GB | 48 | iot_devicereadingsavercitus | heap | |
Author
pdeaudney
commented
Jul 17, 2023
2023-07-18 19:47:07.035 UTC [2676794] iot_stats@iot_devicereadings LOG: duration: 0.103 ms parse <unnamed>:
SELECT r.vendor, COUNT(r.vendor_id) as "count"
FROM (
SELECT DISTINCT vendor, vendor_id
FROM iot.device_reading
WHERE created >= $1 AND vendor IN ($2, $3, $4, $5)
) r
GROUP BY r.vendor
2023-07-18 19:47:07.038 UTC [2676794] iot_stats@iot_devicereadings LOG: duration: 0.983 ms bind <unnamed>:
SELECT r.vendor, COUNT(r.vendor_id) as "count"
FROM (
SELECT DISTINCT vendor, vendor_id
FROM iot.device_reading
WHERE created >= $1 AND vendor IN ($2, $3, $4, $5)
) r
GROUP BY r.vendor
2023-07-18 19:47:07.038 UTC [2676794] iot_stats@iot_devicereadings DETAIL: parameters: $1 = '2023-07-18 19:17:07.034892', $2 = 'monnit', $3 = 'definium', $4 = 's12test', $5 = 'mydevices'
2023-07-18 19:47:07.057 UTC [2679675] postgres@assets LOG: duration: 0.302 ms statement: SELECT waiting_pid, waiting_node_id, waiting_transaction_num, waiting_transaction_stamp, blocking_pid, blocking_node_id, blocking_transaction_num, blocking_transaction_stamp, blocking_transaction_waiting FROM dump_local_wait_edges()
2023-07-18 19:47:07.093 UTC [2679676] postgres@iot_devicereadings LOG: duration: 0.366 ms statement: SELECT waiting_pid, waiting_node_id, waiting_transaction_num, waiting_transaction_stamp, blocking_pid, blocking_node_id, blocking_transaction_num, blocking_transaction_stamp, blocking_transaction_waiting FROM dump_local_wait_edges()
2023-07-18 19:47:07.104 UTC [2679763] postgres@inspections LOG: duration: 0.304 ms statement: SELECT waiting_pid, waiting_node_id, waiting_transaction_num, waiting_transaction_stamp, blocking_pid, blocking_node_id, blocking_transaction_num, blocking_transaction_stamp, blocking_transaction_waiting FROM dump_local_wait_edges()
2023-07-18 19:47:07.138 UTC [2676794] iot_stats@iot_devicereadings ERROR: there is no parameter $1 at character 24
2023-07-18 19:47:07.138 UTC [2676794] iot_stats@iot_devicereadings CONTEXT: unnamed portal with parameters: $1 = '2023-07-18 19:17:07.034892Z', $2 = 'monnit', $3 = 'definium', $4 = 's12test', $5 = 'mydevices'
2023-07-18 19:47:07.138 UTC [2676794] iot_stats@iot_devicereadings STATEMENT:
SELECT r.vendor, COUNT(r.vendor_id) as "count"
FROM (
SELECT DISTINCT vendor, vendor_id
FROM iot.device_reading
WHERE created >= $1 AND vendor IN ($2, $3, $4, $5)
) r
GROUP BY r.vendor
2023-07-18 19:47:07.144 UTC [2676794] iot_stats@iot_devicereadings LOG: duration: 0.137 ms parse <unnamed>:
SELECT r.vendor, COUNT(r.vendor_id) as "count"
FROM (
SELECT DISTINCT vendor, vendor_id
FROM iot.device_reading
WHERE created >= $1 AND vendor IN ($2, $3, $4, $5)
) r
GROUP BY r.vendor
2023-07-18 19:47:07.147 UTC [2676794] iot_stats@iot_devicereadings LOG: duration: 0.990 ms bind <unnamed>:
SELECT r.vendor, COUNT(r.vendor_id) as "count"
FROM (
SELECT DISTINCT vendor, vendor_id
FROM iot.device_reading
WHERE created >= $1 AND vendor IN ($2, $3, $4, $5)
) r
GROUP BY r.vendor
2023-07-18 19:47:07.147 UTC [2676794] iot_stats@iot_devicereadings DETAIL: parameters: $1 = '2023-07-17 19:47:07.143548', $2 = 'monnit', $3 = 'definium', $4 = 's12test', $5 = 'mydevices'
2023-07-18 19:47:07.175 UTC [2676794] iot_stats@iot_devicereadings LOG: duration: 28.910 ms execute <unnamed>:
SELECT r.vendor, COUNT(r.vendor_id) as "count"
FROM (
SELECT DISTINCT vendor, vendor_id
FROM iot.device_reading
WHERE created >= $1 AND vendor IN ($2, $3, $4, $5)
) r
GROUP BY r.vendor
2023-07-18 19:47:07.175 UTC [2676794] iot_stats@iot_devicereadings DETAIL: parameters: $1 = '2023-07-17 19:47:07.143548', $2 = 'monnit', $3 = 'definium', $4 = 's12test', $5 = 'mydevices'
iot_devicereadings=# select * from citus_tables where table_name::text = 'iot.device_reading';
table_name | citus_table_type | distribution_column | colocation_id | table_size | shard_count | table_owner | access_method
--------------------+------------------+---------------------+---------------+------------+-------------+-----------------------------+---------------
iot.device_reading | distributed | asset_id | 11 | 6081 MB | 48 | iot_devicereadingsavercitus | heap
(1 row)
iot_devicereadings=# \d+ iot.device_reading
Table "iot.device_reading"
Column | Type | Collation | Nullable | Default | Storage | Compression | Stats target | Description
-----------+-----------------------------+-----------+----------+---------+----------+-------------+--------------+-------------
asset_id | character varying(36) | | not null | | extended | | |
vendor | character varying(36) | | not null | | extended | | |
vendor_id | character varying(36) | | not null | | extended | | |
type | character varying(36) | | not null | | extended | | |
value | real | | not null | | plain | | |
created | timestamp without time zone | | not null | | plain | | |
Indexes:
"device_reading_pk" PRIMARY KEY, btree (asset_id, type, created)
"device_reading_asset_id_created_idx" btree (asset_id, created)
"device_reading_created_idx" btree (created)
Access method: heap
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