ARROW-3855: [Rust] Schema/Field/Datatype now have derived serde traits#3016
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Fixes apache#989. This feature opts into impls for `Rc` and `Arc`, but none of the data structures that use Serialize/Deserialize actually contain `Rc` or `Arc`s. See: - [Serde docs](https://serde.rs/feature-flags.html#-features-rc) - [PR adding this](apache/arrow#3016)
alamb
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Fixes #989. This feature opts into impls for `Rc` and `Arc`, but none of the data structures that use Serialize/Deserialize actually contain `Rc` or `Arc`s. See: - [Serde docs](https://serde.rs/feature-flags.html#-features-rc) - [PR adding this](apache/arrow#3016)
alamb
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Fixes #989. This feature opts into impls for `Rc` and `Arc`, but none of the data structures that use Serialize/Deserialize actually contain `Rc` or `Arc`s. See: - [Serde docs](https://serde.rs/feature-flags.html#-features-rc) - [PR adding this](apache/arrow#3016)
alamb
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Fixes #989. This feature opts into impls for `Rc` and `Arc`, but none of the data structures that use Serialize/Deserialize actually contain `Rc` or `Arc`s. See: - [Serde docs](https://serde.rs/feature-flags.html#-features-rc) - [PR adding this](apache/arrow#3016) Co-authored-by: Carol (Nichols || Goulding) <193874+carols10cents@users.noreply.github.com>
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This PR makes
Schema,Field,DataTypeserializable using the serde crate. This approach supports serialization to numerous binary and text formats supported by the serde crate.The main benefit is to allow users of the Arrow crate to serialize structs that reference Arrow types (for example, allowing a logical query plan to be serialized and sent over the network).
Note that this does not change the custom JSON serialization that is already in place for serializing in the specific format specified in
format/Metadata.md.