nevi-me opened a new pull request #491:
URL: https://github.com/apache/arrow-rs/pull/491
# Which issue does this PR close?
Related #395 .
# Rationale for this change
To add support for the map array :)
# What changes are included in this PR?
This adds minimal support for `arrow::array::MapArray` and Parquet map
support.
Includes
- [X] `arrow::datatype::Map(Box<Field>, bool /* keys_sorted */ `)
- [ ] `arrow::array::MapArray`
- [ ] a really minimal `arrow::array::MapArrayBuilder`. Note, this API was
just to make progress, so more work is needed
- [ ] `arrow::ipc::{reader, writer}` support
- [ ] Integration testing
- [ ] `arrow::json::reader` support
- [ ] Equality support
# Are there any user-facing changes?
Yes, new data type, enum, etc. Builds shall break
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