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1 row where author_association = "CONTRIBUTOR" and body = "reading the database execute method i have a few questions. https://github.com/simonw/datasette/blob/cb1e093fd361b758120aefc1a444df02462389a3/datasette/database.py#L229-L242 --- unless i'm missing something (which is very likely!!), the `max_returned_rows` argument doesn't actually offer any protections against running very expensive queries. It's not like adding a `LIMIT max_rows` argument. it make sense that it isn't because, the query could already have an `LIMIT` argument. Doing something like `select * from (query) limit {max_returned_rows}` **might** be protective but wouldn't always. Instead the code executes the full original query, and if still has time it fetches out the first `max_rows + 1` rows. this *does* offer some protection of memory exhaustion, as you won't hydrate a huge result set into python (however, there are [data flow patterns](https://github.com/simonw/datasette/issues/1727#issuecomment-1258129113) that could avoid that too) given the current architecture, i don't see how creating a new connection would be use? --- If we just removed the `max_return_rows` limitation, then i think most things would be fine **except** for the QueryViews. Right now rendering, just [5000 rows takes a lot of client-side memory](https://github.com/simonw/datasette/issues/1655) so some form of pagination would be required. " sorted by updated_at descending
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id | html_url | issue_url | node_id | user | created_at | updated_at ▲ | author_association | body | reactions | issue | performed_via_github_app |
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1258167564 | https://github.com/simonw/datasette/issues/526#issuecomment-1258167564 | https://api.github.com/repos/simonw/datasette/issues/526 | IC_kwDOBm6k_c5K_h0M | fgregg 536941 | 2022-09-26T14:57:44Z | 2022-09-26T15:08:36Z | CONTRIBUTOR | reading the database execute method i have a few questions. unless i'm missing something (which is very likely!!), the It's not like adding a Instead the code executes the full original query, and if still has time it fetches out the first this does offer some protection of memory exhaustion, as you won't hydrate a huge result set into python (however, there are data flow patterns that could avoid that too) given the current architecture, i don't see how creating a new connection would be use? If we just removed the |
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Stream all results for arbitrary SQL and canned queries 459882902 |
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