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
1175744654,I_kwDOCGYnMM5GFHCO,417,insert fails on JSONL with whitespace,9954,closed,0,,,3,2022-03-21T17:58:14Z,2022-03-25T21:19:06Z,2022-03-25T21:17:13Z,NONE,,"Any JSON that is newline-delimited and has whitespace (newlines) between the start of a JSON object and an attribute fails due to a parse error.

e.g. given the valid JSONL:

```{
  ""attribute"": ""value""
}
{
  ""attribute"": ""value2""
}
```

I would expect that `sqlite-utils insert --nl my.db mytable file.jsonl` would properly import the data into `mytable`. However, the following error is thrown instead:

`json.decoder.JSONDecodeError: Expecting property name enclosed in double quotes: line 2 column 1 (char 2)`

It makes sense that since the file is intended to be newline separated, the thing being parsed is ""{"" (which obviously fails), however the default newline-separated output of `jq` isn't compact. Using `jq -c` avoids this problem, but the fix is unintuitive and undocumented.

Proposed solutions:
1. Default to a ""loose"" newline-separated parse; this could be implemented internally as [the equivalent of] a `jq -c` filter ahead of the insert step.
2. Catch the JSONDecodeError (or pre-empt it in the case of a record === ""{\n"") and give the user a ""it looks like your json isn't _actually_ newline-delimited; try running it through `jq -c` instead"" error message.

It might just have been too early in the morning when I was playing with this, but running pipes of data through sqlite-utils without the 'knack' of it led to some false starts.",140912432,issue,,,"{""url"": ""https://api.github.com/repos/simonw/sqlite-utils/issues/417/reactions"", ""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,completed
1181236173,I_kwDOCGYnMM5GaDvN,422,Reconsider not running convert functions against null values,9599,open,0,,,1,2022-03-25T20:22:40Z,2022-03-25T20:23:21Z,,OWNER,,"I just got caught out by the fact that `None` values are not processed by the `.convert()` mechanism https://github.com/simonw/sqlite-utils/blob/0b7b80bd40fe86e4d66a04c9f607d94991c45c0b/sqlite_utils/db.py#L2504-L2510

I had run this code while working on #420 and I wasn't sure why it didn't work:

```
$ sqlite-utils add-column content.db articles score float
$ sqlite-utils convert content.db articles score '
import random
random.seed(10)

def convert(value):
    global random
    return random.random()
'
```
The reason it didn't work is that the newly added `score` column was full of `null` values.

I fixed it by doing this instead:

    $ sqlite-utils add-column content.db articles score float --not-null-default 1.0

But this indicates to me that the design of `convert()` here may be incorrect.",140912432,issue,,,"{""url"": ""https://api.github.com/repos/simonw/sqlite-utils/issues/422/reactions"", ""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,