re: constant crashing
| От | jack |
|---|---|
| Тема | re: constant crashing |
| Дата | |
| Msg-id | HgsD3gOH-K3PK0n7PogBu3X1goIJ3_kN04shv7womj--6jQcAggYWdAOqYOmq1VVlVPf6TiHvxpZCvwmFawmHMEjciHsLErgsjaLruEspg0=@a7q.com обсуждение исходный текст |
| Ответы |
Re: constant crashing
Re: constant crashing Re: constant crashing |
| Список | pgsql-general |
The full error reads:
PostgreSQL 16.2
I also believe it is a resource issue which can be rectified with a setting, but which setting?
server closed the connection expectantly
This probably means the server terminated abnormally
before or while processing the request.
error: connection to server was lost
I also believe it is a resource issue which can be rectified with a setting, but which setting?
If you were updating 100 million records what settings would you adjust?
Here are the updates I am performing on the 100 million records:
Here are the updates I am performing on the 100 million records:
UPDATE table SET category_modified = UPPER(category);
UPDATE table SET category_modified = REGEXP_REPLACE(REPLACE(REPLACE(category_modified, '''','-'), '`', '-'), '\s{2,}', ' ', 'g') WHERE AND LENGTH(category_modified)>1 AND POSITION('--' IN category_modified)>0;
UPDATE table SET category_modified = REPLACE(category_modified,' ','-');
UPDATE table SET category_modified = CASE WHEN category_modified IS NOT NULL THEN regexp_replace(category_modified, '[^a-zA-Z]$', '') ELSE NULL END;
UPDATE table SET category_modified = regexp_replace(category_modified, '-{2,}', '-', 'g');
UPDATE table SET category_modified = SUBSTRING(category_modified FROM 1 FOR LENGTH(category_modified) - 1) WHERE LENGTH(category_modified)>1 AND category_modified LIKE '%-';
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