Я запускаю этот запрос из моего локального pgAdmin, подключаясь удаленно к нашему dev-серверу:
select * from users order by random() limit 1;
он висит на 17 секунд и показывает
Total query runtime: 148 ms.
1 row retrieved.
он также зависает при любой операции: даже при щелчке правой кнопкой мыши на столе.
После этого я подключаюсь через RDP и запускаю тот же запрос в той же версии pgAdmin, которая сразу же отображает результаты query time: 32 ms
.
Затем я снова запускаю запрос из моего локального pgAdmin:
Total query runtime: 337 ms.
1 row retrieved.
У меня пинг 130 мс до сервера. Скорость соединения должна быть более чем достаточной, потому что я могу загружать файлы через FTP довольно быстро.
Тот же запрос при запуске с моим локальным psql завершается через несколько секунд с включенным временем соединения.
Тот же запрос в моем локальном pgAdmin с моей локальной копией базы данных также завершается немедленно.
Версия pgAdmin - 1.20.0. Проверено также на последней 1.22 - все так же.
Что я могу сделать, чтобы ускорить pgAdmin?
Обратите внимание, что psql работает нормально, я не вижу там таких же задержек.
Журнал pgAdmin за 17 секунд выполнения запроса:
2016-02-06 16:18:03 INFO : queueing : select * from users order by random() limit 1;
2016-02-06 16:18:03 QUERY : Thread executing query (1:server): select * from users order by random() limit 1;
2016-02-06 16:18:03 QUERY : Scalar query (server): SELECT format_type(oid,-1) as typname FROM pg_type WHERE oid = 23
2016-02-06 16:18:03 QUERY : Query result: integer
2016-02-06 16:18:03 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=23
2016-02-06 16:18:03 QUERY : Query result: 23
2016-02-06 16:18:03 QUERY : Scalar query (server): SELECT format_type(oid,259) as typname FROM pg_type WHERE oid = 1043
2016-02-06 16:18:03 QUERY : Query result: character varying(255)
2016-02-06 16:18:03 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=1043
2016-02-06 16:18:03 QUERY : Query result: 1043
2016-02-06 16:18:03 QUERY : Scalar query (server): SELECT format_type(oid,259) as typname FROM pg_type WHERE oid = 1043
2016-02-06 16:18:03 QUERY : Query result: character varying(255)
2016-02-06 16:18:03 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=1043
2016-02-06 16:18:03 QUERY : Query result: 1043
2016-02-06 16:18:03 QUERY : Scalar query (server): SELECT format_type(oid,-1) as typname FROM pg_type WHERE oid = 23
2016-02-06 16:18:04 QUERY : Query result: integer
2016-02-06 16:18:04 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=23
2016-02-06 16:18:04 QUERY : Query result: 23
2016-02-06 16:18:04 QUERY : Scalar query (server): SELECT format_type(oid,-1) as typname FROM pg_type WHERE oid = 23
2016-02-06 16:18:04 QUERY : Query result: integer
2016-02-06 16:18:04 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=23
2016-02-06 16:18:04 QUERY : Query result: 23
2016-02-06 16:18:04 QUERY : Scalar query (server): SELECT format_type(oid,-1) as typname FROM pg_type WHERE oid = 1114
2016-02-06 16:18:04 QUERY : Query result: timestamp without time zone
2016-02-06 16:18:04 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=1114
2016-02-06 16:18:04 QUERY : Query result: 1114
2016-02-06 16:18:04 QUERY : Scalar query (server): SELECT format_type(oid,0) as typname FROM pg_type WHERE oid = 1114
2016-02-06 16:18:04 QUERY : Query result: timestamp(0) without time zone
2016-02-06 16:18:04 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=1114
2016-02-06 16:18:04 QUERY : Query result: 1114
2016-02-06 16:18:04 QUERY : Scalar query (server): SELECT format_type(oid,-1) as typname FROM pg_type WHERE oid = 23
2016-02-06 16:18:05 QUERY : Query result: integer
2016-02-06 16:18:05 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=23
2016-02-06 16:18:06 QUERY : Query result: 23
2016-02-06 16:18:06 QUERY : Scalar query (server): SELECT format_type(oid,-1) as typname FROM pg_type WHERE oid = 23
2016-02-06 16:18:06 QUERY : Query result: integer
2016-02-06 16:18:06 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=23
2016-02-06 16:18:06 QUERY : Query result: 23
2016-02-06 16:18:06 QUERY : Scalar query (server): SELECT format_type(oid,-1) as typname FROM pg_type WHERE oid = 23
2016-02-06 16:18:07 QUERY : Query result: integer
2016-02-06 16:18:07 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=23
2016-02-06 16:18:07 QUERY : Query result: 23
2016-02-06 16:18:07 QUERY : Scalar query (server): SELECT format_type(oid,-1) as typname FROM pg_type WHERE oid = 16
2016-02-06 16:18:07 QUERY : Query result: boolean
2016-02-06 16:18:07 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=16
2016-02-06 16:18:07 QUERY : Query result: 16
2016-02-06 16:18:07 QUERY : Scalar query (server): SELECT format_type(oid,-1) as typname FROM pg_type WHERE oid = 20
2016-02-06 16:18:07 QUERY : Query result: bigint
2016-02-06 16:18:07 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=20
2016-02-06 16:18:07 QUERY : Query result: 20
2016-02-06 16:18:07 QUERY : Scalar query (server): SELECT format_type(oid,259) as typname FROM pg_type WHERE oid = 1043
2016-02-06 16:18:07 QUERY : Query result: character varying(255)
2016-02-06 16:18:07 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=1043
2016-02-06 16:18:08 QUERY : Query result: 1043
2016-02-06 16:18:08 QUERY : Scalar query (server): SELECT format_type(oid,259) as typname FROM pg_type WHERE oid = 1043
2016-02-06 16:18:08 QUERY : Query result: character varying(255)
2016-02-06 16:18:08 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=1043
2016-02-06 16:18:08 QUERY : Query result: 1043
2016-02-06 16:18:08 QUERY : Scalar query (server): SELECT format_type(oid,-1) as typname FROM pg_type WHERE oid = 1114
2016-02-06 16:18:08 QUERY : Query result: timestamp without time zone
2016-02-06 16:18:08 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=1114
2016-02-06 16:18:08 QUERY : Query result: 1114
2016-02-06 16:18:08 QUERY : Scalar query (server): SELECT format_type(oid,-1) as typname FROM pg_type WHERE oid = 23
2016-02-06 16:18:08 QUERY : Query result: integer
2016-02-06 16:18:08 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=23
2016-02-06 16:18:08 QUERY : Query result: 23
2016-02-06 16:18:08 QUERY : Scalar query (server): SELECT format_type(oid,-1) as typname FROM pg_type WHERE oid = 23
2016-02-06 16:18:09 QUERY : Query result: integer
2016-02-06 16:18:09 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=23
2016-02-06 16:18:09 QUERY : Query result: 23
2016-02-06 16:18:09 QUERY : Scalar query (server): SELECT format_type(oid,-1) as typname FROM pg_type WHERE oid = 16
2016-02-06 16:18:09 QUERY : Query result: boolean
2016-02-06 16:18:09 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=16
2016-02-06 16:18:09 QUERY : Query result: 16
2016-02-06 16:18:09 QUERY : Scalar query (server): SELECT format_type(oid,-1) as typname FROM pg_type WHERE oid = 23
2016-02-06 16:18:09 QUERY : Query result: integer
2016-02-06 16:18:09 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=23
2016-02-06 16:18:09 QUERY : Query result: 23
2016-02-06 16:18:09 QUERY : Scalar query (server): SELECT format_type(oid,-1) as typname FROM pg_type WHERE oid = 23
2016-02-06 16:18:09 QUERY : Query result: integer
2016-02-06 16:18:09 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=23
2016-02-06 16:18:09 QUERY : Query result: 23
2016-02-06 16:18:09 QUERY : Scalar query (server): SELECT format_type(oid,-1) as typname FROM pg_type WHERE oid = 16
2016-02-06 16:18:10 QUERY : Query result: boolean
2016-02-06 16:18:10 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=16
2016-02-06 16:18:10 QUERY : Query result: 16
2016-02-06 16:18:10 QUERY : Scalar query (server): SELECT format_type(oid,259) as typname FROM pg_type WHERE oid = 1043
2016-02-06 16:18:10 QUERY : Query result: character varying(255)
2016-02-06 16:18:10 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=1043
2016-02-06 16:18:10 QUERY : Query result: 1043
2016-02-06 16:18:11 QUERY : Scalar query (server): SELECT format_type(oid,259) as typname FROM pg_type WHERE oid = 1043
2016-02-06 16:18:11 QUERY : Query result: character varying(255)
2016-02-06 16:18:11 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=1043
2016-02-06 16:18:11 QUERY : Query result: 1043
2016-02-06 16:18:11 QUERY : Scalar query (server): SELECT format_type(oid,-1) as typname FROM pg_type WHERE oid = 1114
2016-02-06 16:18:11 QUERY : Query result: timestamp without time zone
2016-02-06 16:18:11 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=1114
2016-02-06 16:18:12 QUERY : Query result: 1114
2016-02-06 16:18:12 QUERY : Scalar query (server): SELECT format_type(oid,-1) as typname FROM pg_type WHERE oid = 1114
2016-02-06 16:18:12 QUERY : Query result: timestamp without time zone
2016-02-06 16:18:12 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=1114
2016-02-06 16:18:12 QUERY : Query result: 1114
2016-02-06 16:18:12 QUERY : Scalar query (server): SELECT format_type(oid,-1) as typname FROM pg_type WHERE oid = 1114
2016-02-06 16:18:12 QUERY : Query result: timestamp without time zone
2016-02-06 16:18:12 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=1114
2016-02-06 16:18:12 QUERY : Query result: 1114
2016-02-06 16:18:12 QUERY : Scalar query (server): SELECT format_type(oid,-1) as typname FROM pg_type WHERE oid = 16
2016-02-06 16:18:12 QUERY : Query result: boolean
2016-02-06 16:18:12 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=16
2016-02-06 16:18:12 QUERY : Query result: 16
2016-02-06 16:18:12 QUERY : Scalar query (server): SELECT format_type(oid,-1) as typname FROM pg_type WHERE oid = 23
2016-02-06 16:18:12 QUERY : Query result: integer
2016-02-06 16:18:12 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=23
2016-02-06 16:18:13 QUERY : Query result: 23
2016-02-06 16:18:13 QUERY : Scalar query (server): SELECT format_type(oid,-1) as typname FROM pg_type WHERE oid = 23
2016-02-06 16:18:13 QUERY : Query result: integer
2016-02-06 16:18:13 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=23
2016-02-06 16:18:13 QUERY : Query result: 23
2016-02-06 16:18:13 QUERY : Scalar query (server): SELECT format_type(oid,-1) as typname FROM pg_type WHERE oid = 16
2016-02-06 16:18:13 QUERY : Query result: boolean
2016-02-06 16:18:13 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=16
2016-02-06 16:18:13 QUERY : Query result: 16
2016-02-06 16:18:13 QUERY : Scalar query (server): SELECT format_type(oid,-1) as typname FROM pg_type WHERE oid = 23
2016-02-06 16:18:13 QUERY : Query result: integer
2016-02-06 16:18:13 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=23
2016-02-06 16:18:13 QUERY : Query result: 23
2016-02-06 16:18:13 QUERY : Scalar query (server): SELECT format_type(oid,-1) as typname FROM pg_type WHERE oid = 23
2016-02-06 16:18:13 QUERY : Query result: integer
2016-02-06 16:18:13 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=23
2016-02-06 16:18:14 QUERY : Query result: 23
2016-02-06 16:18:14 QUERY : Scalar query (server): SELECT format_type(oid,-1) as typname FROM pg_type WHERE oid = 16
2016-02-06 16:18:14 QUERY : Query result: boolean
2016-02-06 16:18:14 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=16
2016-02-06 16:18:14 QUERY : Query result: 16
2016-02-06 16:18:14 QUERY : Scalar query (server): SELECT format_type(oid,-1) as typname FROM pg_type WHERE oid = 23
2016-02-06 16:18:14 QUERY : Query result: integer
2016-02-06 16:18:14 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=23
2016-02-06 16:18:14 QUERY : Query result: 23
2016-02-06 16:18:14 QUERY : Scalar query (server): SELECT format_type(oid,-1) as typname FROM pg_type WHERE oid = 1114
2016-02-06 16:18:15 QUERY : Query result: timestamp without time zone
2016-02-06 16:18:15 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=1114
2016-02-06 16:18:15 QUERY : Query result: 1114
2016-02-06 16:18:15 QUERY : Scalar query (server): SELECT format_type(oid,-1) as typname FROM pg_type WHERE oid = 23
2016-02-06 16:18:15 QUERY : Query result: integer
2016-02-06 16:18:15 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=23
2016-02-06 16:18:16 QUERY : Query result: 23
2016-02-06 16:18:16 QUERY : Scalar query (server): SELECT format_type(oid,-1) as typname FROM pg_type WHERE oid = 23
2016-02-06 16:18:16 QUERY : Query result: integer
2016-02-06 16:18:16 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=23
2016-02-06 16:18:16 QUERY : Query result: 23
2016-02-06 16:18:16 QUERY : Scalar query (server): SELECT format_type(oid,-1) as typname FROM pg_type WHERE oid = 23
2016-02-06 16:18:16 QUERY : Query result: integer
2016-02-06 16:18:16 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=23
2016-02-06 16:18:16 QUERY : Query result: 23
2016-02-06 16:18:16 QUERY : Scalar query (server): SELECT format_type(oid,-1) as typname FROM pg_type WHERE oid = 23
2016-02-06 16:18:16 QUERY : Query result: integer
2016-02-06 16:18:16 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=23
2016-02-06 16:18:16 QUERY : Query result: 23
2016-02-06 16:18:16 QUERY : Scalar query (server): SELECT format_type(oid,259) as typname FROM pg_type WHERE oid = 1043
2016-02-06 16:18:17 QUERY : Query result: character varying(255)
2016-02-06 16:18:17 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=1043
2016-02-06 16:18:17 QUERY : Query result: 1043
2016-02-06 16:18:17 QUERY : Scalar query (server): SELECT format_type(oid,-1) as typname FROM pg_type WHERE oid = 23
2016-02-06 16:18:17 QUERY : Query result: integer
2016-02-06 16:18:17 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=23
2016-02-06 16:18:17 QUERY : Query result: 23
2016-02-06 16:18:17 QUERY : Scalar query (server): SELECT format_type(oid,-1) as typname FROM pg_type WHERE oid = 16
2016-02-06 16:18:17 QUERY : Query result: boolean
2016-02-06 16:18:17 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=16
2016-02-06 16:18:17 QUERY : Query result: 16
2016-02-06 16:18:17 QUERY : Scalar query (server): SELECT format_type(oid,-1) as typname FROM pg_type WHERE oid = 23
2016-02-06 16:18:17 QUERY : Query result: integer
2016-02-06 16:18:17 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=23
2016-02-06 16:18:18 QUERY : Query result: 23
2016-02-06 16:18:18 QUERY : Scalar query (server): SELECT format_type(oid,-1) as typname FROM pg_type WHERE oid = 23
2016-02-06 16:18:18 QUERY : Query result: integer
2016-02-06 16:18:18 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=23
2016-02-06 16:18:18 QUERY : Query result: 23
2016-02-06 16:18:18 QUERY : Scalar query (server): SELECT format_type(oid,-1) as typname FROM pg_type WHERE oid = 23
2016-02-06 16:18:18 QUERY : Query result: integer
2016-02-06 16:18:18 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=23
2016-02-06 16:18:18 QUERY : Query result: 23
2016-02-06 16:18:18 QUERY : Scalar query (server): SELECT format_type(oid,-1) as typname FROM pg_type WHERE oid = 1114
2016-02-06 16:18:18 QUERY : Query result: timestamp without time zone
2016-02-06 16:18:18 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=1114
2016-02-06 16:18:18 QUERY : Query result: 1114
2016-02-06 16:18:18 QUERY : Scalar query (server): SELECT format_type(oid,-1) as typname FROM pg_type WHERE oid = 23
2016-02-06 16:18:18 QUERY : Query result: integer
2016-02-06 16:18:18 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=23
2016-02-06 16:18:19 QUERY : Query result: 23
2016-02-06 16:18:19 QUERY : Scalar query (server): SELECT format_type(oid,-1) as typname FROM pg_type WHERE oid = 16
2016-02-06 16:18:19 QUERY : Query result: boolean
2016-02-06 16:18:19 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=16
2016-02-06 16:18:19 QUERY : Query result: 16
2016-02-06 16:18:19 QUERY : Scalar query (server): SELECT format_type(oid,-1) as typname FROM pg_type WHERE oid = 16
2016-02-06 16:18:19 QUERY : Query result: boolean
2016-02-06 16:18:19 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=16
2016-02-06 16:18:19 QUERY : Query result: 16
2016-02-06 16:18:19 QUERY : Scalar query (server): SELECT format_type(oid,-1) as typname FROM pg_type WHERE oid = 1114
2016-02-06 16:18:19 QUERY : Query result: timestamp without time zone
2016-02-06 16:18:19 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=1114
2016-02-06 16:18:19 QUERY : Query result: 1114
2016-02-06 16:18:19 QUERY : Scalar query (server): SELECT format_type(oid,-1) as typname FROM pg_type WHERE oid = 20
2016-02-06 16:18:19 QUERY : Query result: bigint
2016-02-06 16:18:19 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=20
2016-02-06 16:18:20 QUERY : Query result: 20
2016-02-06 16:18:20 QUERY : Scalar query (server): SELECT format_type(oid,-1) as typname FROM pg_type WHERE oid = 16
2016-02-06 16:18:20 QUERY : Query result: boolean
2016-02-06 16:18:20 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=16
2016-02-06 16:18:20 QUERY : Query result: 16
2016-02-06 16:18:20 QUERY : Scalar query (server): SELECT format_type(oid,-1) as typname FROM pg_type WHERE oid = 1114
2016-02-06 16:18:20 QUERY : Query result: timestamp without time zone
2016-02-06 16:18:20 QUERY : Scalar query (server): SELECT CASE WHEN typbasetype=0 THEN oid else typbasetype END AS basetype
FROM pg_type WHERE oid=1114
2016-02-06 16:18:20 QUERY : Query result: 1114
Ответы:
Извлечение из
pgadmin.log
показывает, что для каждого выходного столбца результатаpgadmin
выполняется два запроса к каталогу, один для получения отформатированного имени типа из егоoid
, другой для получения потенциального базового типа.В вашей выдержке, если я считаю правильно, общее количество таких запросов выглядит так
106
.Исходя из времени пинга
148 ms
, давайте предположим, что минимальное время для приема-передачи на сервер составляет148 ms
. Таким образом, минимальное время , затраченное этот набор запросов будет148 x 106 = 15688 ms
, или15.6 s
С другой стороны,
psql
клиент командной строки не выполняет ни один из этих запросов, поэтому можно ожидать, что он завершился как минимум за15.6
несколько секунд до pgadmin.Я не знаю ни одной опции в pgadmin, чтобы отключить это, вы можете спросить разработчиков или проверить, есть ли у вас самая новая версия, но вопрос, похожий на ваш, был задан в прошлом году в списке рассылки, и, очевидно, не получил ответ:
Отображение длинных результатов запроса (в архивах с поддержкой pgadmin).
Это разочаровывающая деталь реализации в pgAdmin. Он может получить все результаты с помощью одного запроса со списком типов OID, переданных в
IN(...)
конструкции или массиве. Он также может кэшировать эти результаты и даже не повторять запросы по идентификаторам OID, которые он уже видел.источник