id,node_id,number,title,user,state,locked,assignee,milestone,comments,created_at,updated_at,closed_at,author_association,pull_request,body,repo,type,active_lock_reason,performed_via_github_app,reactions,draft,state_reason
906385991,MDU6SXNzdWU5MDYzODU5OTE=,1349,CSV ?_stream=on redundantly calculates facets for every page,9599,closed,0,,,9,2021-05-29T06:11:23Z,2021-06-17T18:12:32Z,2021-06-01T15:52:53Z,OWNER,,"I'm trying to figure out why a full CSV export from https://covid-19.datasettes.com/covid/ny_times_us_counties runs unbearably slowly.

It's because the streaming endpoint works by scrolling through every page, and it turns out every page calculates facets and suggested facets!",107914493,issue,,,"{""url"": ""https://api.github.com/repos/simonw/datasette/issues/1349/reactions"", ""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,completed
906993731,MDU6SXNzdWU5MDY5OTM3MzE=,1351,Get `?_trace=1` working with CSV and streaming CSVs,9599,closed,0,,,1,2021-05-31T03:02:15Z,2021-06-17T18:12:32Z,2021-06-01T15:50:09Z,OWNER,,"> I think it's worth getting `?_trace=1` to work with streaming CSV - this would have helped me spot this issue a long time ago.

_Originally posted by @simonw in https://github.com/simonw/datasette/issues/1349#issuecomment-851133125_",107914493,issue,,,"{""url"": ""https://api.github.com/repos/simonw/datasette/issues/1351/reactions"", ""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,completed
908446997,MDU6SXNzdWU5MDg0NDY5OTc=,1353,?_nocount=1 for opting out of table counts,9599,closed,0,,,2,2021-06-01T15:53:27Z,2021-06-01T16:18:54Z,2021-06-01T16:17:04Z,OWNER,,"Running a trace against a CSV streaming export with the new `_trace=1` feature from #1351 shows that the following code is executing a `select count(*) from table` for every page of results returned: https://github.com/simonw/datasette/blob/d1d06ace49606da790a765689b4fbffa4c6deecb/datasette/views/table.py#L700-L705

This is inefficient - a new `?_nocount=1` option would let us disable this count in the same way as #1349: https://github.com/simonw/datasette/blob/d1d06ace49606da790a765689b4fbffa4c6deecb/datasette/views/base.py#L264-L276

",107914493,issue,,,"{""url"": ""https://api.github.com/repos/simonw/datasette/issues/1353/reactions"", ""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,completed
908465747,MDU6SXNzdWU5MDg0NjU3NDc=,1354,Update help in tests for latest Click,9599,closed,0,,,1,2021-06-01T16:14:31Z,2021-06-01T16:17:04Z,2021-06-01T16:17:04Z,OWNER,,"Now that Uvicorn 0.14 is out with an unpinned Click dependency - https://github.com/encode/uvicorn/pull/1033 - our test suite runs against Click 8.0 - which subtly changes the output of `--help` causing test failures: https://github.com/simonw/datasette/runs/2720383031?check_suite_focus=true
```
    def test_help_includes(name, filename):
        expected = (docs_path / filename).read_text()
        runner = CliRunner()
        result = runner.invoke(cli, name.split() + [""--help""], terminal_width=88)
        actual = f""$ datasette {name} --help\n\n{result.output}""
        # actual has ""Usage: cli package [OPTIONS] FILES""
        # because it doesn't know that cli will be aliased to datasette
        expected = expected.replace(""Usage: datasette"", ""Usage: cli"")
>       assert expected == actual
E       AssertionError: assert '$ datasette ...e and exit.\n' == '$ datasette ...e and exit.\n'
E         Skipping 848 identical leading characters in diff, use -v to show
E           nt_id xxx
E         + 
E             --version-note TEXT             Additional note to show on /-/versions
E             --secret TEXT                   Secret used for signing secure values, such as signed
E                                             cookies
E         + 
E             --title TEXT                    Title for metadata
```",107914493,issue,,,"{""url"": ""https://api.github.com/repos/simonw/datasette/issues/1354/reactions"", ""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,completed