zhuqi-lucas opened a new issue, #19920:
URL: https://github.com/apache/datafusion/issues/19920
### Is your feature request related to a problem or challenge?
DataFusion currently uses arrow-json's LineDelimitedReader, which is
optimized for NDJSON format. When we encounter data sources that provide JSON
arrays (i.e., [{...}, {...}]), we run into parsing issues.
I will try to add native support in DataFusion upstream by extending
JsonFormat with a configuration option:
```rust
enum JsonFormatType {
LineDelimited, // default, current behavior
Array, // new, for JSON array support
}
```
- Backward compatible - existing code continues to work unchanged
- Clean integration - arrow-json's ReaderBuilder already supports both
formats, we just need to expose the option
- Explicit control - users can specify which format they're working with
rather than relying on auto-detection (which can be error-prone with large
files)
### Describe the solution you'd like
_No response_
### Describe alternatives you've considered
_No response_
### Additional context
_No response_
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