lurebat opened a new issue, #46486:
URL: https://github.com/apache/arrow/issues/46486
### Describe the enhancement requested
Sometimes, to save space and parsing time, JSON will arrive as an array of
arrays.
So instead of this::
```jsonlines
{"a": 1, "b" :"a"}
{"a": 2, "b" :"b"}
```
The message will be
```jsonlines
[1, "a"]
[2, "b"]
```
With the idea that the column names will arrive elsewhere.
I would like to have some way to support this when parsing json with pyarrow.
My idea is to introduce a flag or a type that indicates that the data comes
this way, and when it's on then an explicit schema must be given.
### Component(s)
Python
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