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Exposing custom_metadata in merge operation #2031

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echai58 opened this issue Jan 4, 2024 · 0 comments · Fixed by #2032
Closed

Exposing custom_metadata in merge operation #2031

echai58 opened this issue Jan 4, 2024 · 0 comments · Fixed by #2032
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enhancement New feature or request

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@echai58
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echai58 commented Jan 4, 2024

Description

With version 0.15.0, we are now able to write per-commit custom_metadata on calls to write_deltalake. We should also be able to write custom_metadata via merge semantics.

Use Case
merge is used a lot of times in upsert style writes, so it would be very useful to be able to use custom_metadata in the same way that it is used in write_deltalake as in merge.
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feat(python, rust): expose custom_metadata for all operations ion-elgreco/delta-rs
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