Re: Incremental results from libpq
| От | Greg Stark |
|---|---|
| Тема | Re: Incremental results from libpq |
| Дата | |
| Msg-id | 877jbgb8x5.fsf@stark.xeocode.com обсуждение исходный текст |
| Ответ на | Re: Incremental results from libpq (Frank van Vugt <ftm.van.vugt@foxi.nl>) |
| Ответы |
Re: Incremental results from libpq
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| Список | pgsql-interfaces |
Frank van Vugt <ftm.van.vugt@foxi.nl> writes: > I'm wondering, what kind of failure do you have in mind, here? If I'm informed > correctly then Oracle and others are generating the complete static result > set on the server-side, which will then stay cached until all rows/chunks are > fetched. That's obviously not true. Try doing "select * from huge_table" on Oracle and you'll see records start appearing immediately. There are applications where huge_table could occupy hundreds of gigabytes (or petabytes) and requiring all queries to create copies of all their result sets before proceeding would make lots of important applications entirely infeasible. -- greg
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