wjones127 opened a new issue, #3448:
URL: https://github.com/apache/arrow-rs/issues/3448
**Is your feature request related to a problem or challenge? Please describe
what you are trying to do.**
This is quite verbose:
```rust
let col: Option<ArrayRef> =
record_batch.column(record_batch.schema().column_with_name("my_column"))
```
**Describe the solution you'd like**
The simplest option is to add `column_by_name()` for `RecordBatch`. It is
already implemented for `StructArray`.
```rust
let col: Option<ArrayRef> = record_batch.column_by_name("my_column")
```
But it might also be desirable to implement
[std::ops::Index](https://doc.rust-lang.org/std/ops/trait.Index.html) for
`RecordBatch`:
```rust
let col: Option<ArrayRef> = record_batch["my_column"]
```
**Describe alternatives you've considered**
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A clear and concise description of any alternative solutions or features
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**Additional context**
I was working with highly nested schemas with multiple levels of
StructArrays in some unit tests, and it was a little annoying to access those
deep fields. In an ideal world, I might be able to do something along the lines
of:
```rust
let col: Option<ArrayRef> = record_batch["top_level_column"]?
.as_struct_array()?["mid_level_column"]
.as_struct_array()?["inner_column"];
```
This implies `StructArray` would implement `Index` in the same way that
`RecordBatch` does. If we wanted to get fancy, it might not be crazy to
implement this for `ListArray` or even `MapArray`.
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