html_url,issue_url,id,node_id,user,created_at,updated_at,author_association,body,reactions,issue,performed_via_github_app
https://github.com/simonw/datasette/pull/1346#issuecomment-852693854,https://api.github.com/repos/simonw/datasette/issues/1346,852693854,MDEyOklzc3VlQ29tbWVudDg1MjY5Mzg1NA==,22429695,2021-06-02T03:44:35Z,2021-06-02T03:44:35Z,NONE,"# [Codecov](https://codecov.io/gh/simonw/datasette/pull/1346?src=pr&el=h1&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Simon+Willison) Report
> Merging [#1346](https://codecov.io/gh/simonw/datasette/pull/1346?src=pr&el=desc&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Simon+Willison) (3bffc35) into [main](https://codecov.io/gh/simonw/datasette/commit/7b106e106000713bbee31b34d694b3dadbd4818c?el=desc&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Simon+Willison) (7b106e1) will **increase** coverage by `0.14%`.
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```diff
@@ Coverage Diff @@
## main #1346 +/- ##
==========================================
+ Coverage 91.56% 91.71% +0.14%
==========================================
Files 34 34
Lines 4282 4332 +50
==========================================
+ Hits 3921 3973 +52
+ Misses 361 359 -2
```
| [Impacted Files](https://codecov.io/gh/simonw/datasette/pull/1346?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Simon+Willison) | Coverage Δ | |
|---|---|---|
| [datasette/app.py](https://codecov.io/gh/simonw/datasette/pull/1346/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Simon+Willison#diff-ZGF0YXNldHRlL2FwcC5weQ==) | `95.69% <ø> (-0.15%)` | :arrow_down: |
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| [datasette/views/table.py](https://codecov.io/gh/simonw/datasette/pull/1346/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Simon+Willison#diff-ZGF0YXNldHRlL3ZpZXdzL3RhYmxlLnB5) | `95.90% <100.00%> (+0.07%)` | :arrow_up: |
| [datasette/tracer.py](https://codecov.io/gh/simonw/datasette/pull/1346/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Simon+Willison#diff-ZGF0YXNldHRlL3RyYWNlci5weQ==) | `85.05% <0.00%> (+3.44%)` | :arrow_up: |
------
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> `Δ = absolute (impact)`, `ø = not affected`, `? = missing data`
> Powered by [Codecov](https://codecov.io/gh/simonw/datasette/pull/1346?src=pr&el=footer&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Simon+Willison). Last update [7b106e1...3bffc35](https://codecov.io/gh/simonw/datasette/pull/1346?src=pr&el=lastupdated&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Simon+Willison). Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Simon+Willison).
","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",904537568,
https://github.com/simonw/datasette/pull/1346#issuecomment-850059328,https://api.github.com/repos/simonw/datasette/issues/1346,850059328,MDEyOklzc3VlQ29tbWVudDg1MDA1OTMyOA==,9599,2021-05-28T02:08:10Z,2021-05-28T02:09:25Z,OWNER,"This is the current test failure, but it actually another problem that we don't have tests in place for errors with different formats and shapes:
```
def test_magic_parameters_cannot_be_used_in_arbitrary_queries(magic_parameters_client):
response = magic_parameters_client.get(
""/data.json?sql=select+:_header_host&_shape=array""
)
assert 400 == response.status
> assert ""You did not supply a value for binding 1."" == response.json[""error""]
E TypeError: list indices must be integers or slices, not str
```
The test fails because `response.json` here is the empty list `[]`.","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",904537568,
https://github.com/simonw/datasette/pull/1346#issuecomment-850058851,https://api.github.com/repos/simonw/datasette/issues/1346,850058851,MDEyOklzc3VlQ29tbWVudDg1MDA1ODg1MQ==,9599,2021-05-28T02:06:46Z,2021-05-28T02:06:46Z,OWNER,"The one test failure here actually illustrates a larger problem: if the user specifies `.json?_shape=array` but an error occurs, what should we do?
Prior to this change we return the following JSON:
```json
{
""ok"": false,
""error"": ""You did not supply a value for binding 1."",
""status"": 500,
""title"": null
}
```
But this comes from the `handle_500` higher level code here: https://github.com/simonw/datasette/blob/eae3084b46e2c3931db12cdef79093ad0e644bce/datasette/app.py#L1251-L1263","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",904537568,