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feat: implement parsing for the new domainMetadata actions in the commit log #1629

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merged 2 commits into from
Sep 17, 2023

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@rtyler rtyler commented Sep 15, 2023

The Delta Lake protocol which will be released in conjunction with "3.0.0" (currently at RC1) introduces domainMetadata actions to the commit log to enable system or user-provided metadata about the commits to be added to the log. With DBR 13.3 in the Databricks ecosystem, tables are already being written with this action via the "liquid clustering" feature.

This change enables the clean reading of these tables, but at present nothing novel is done with this information.

Read more here

Fixes #1626

@github-actions github-actions bot added binding/rust Issues for the Rust crate rust labels Sep 15, 2023
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ACTION NEEDED

delta-rs follows the Conventional Commits specification for release automation.

The PR title and description are used as the merge commit message. Please update your PR title and description to match the specification.

@rtyler rtyler changed the title feat: Implement parsing for the new domainMetadata actions in the commit log feat: implement parsing for the new domainMetadata actions in the commit log Sep 15, 2023
The Delta Lake protocol which will be released in conjunction with "3.0.0"
(currently at RC1) introduces `domainMetadata` actions to the commit log to
enable system or user-provided metadata about the commits to be added to the
log. With DBR 13.3 in the Databricks ecosystem, tables are already being written
with this action via the "liquid clustering" feature.

This change enables the clean reading of these tables, but at present nothing
novel is done with this information.

[Read more here](https://www.databricks.com/blog/announcing-delta-lake-30-new-universal-format-and-liquid-clustering)

Fixes delta-io#1626

Sponsored-by: Databricks Inc
@rtyler rtyler force-pushed the liquid-clustering-read-1626 branch from b04d809 to ea17b8b Compare September 15, 2023 07:00
@rtyler rtyler marked this pull request as ready for review September 15, 2023 07:14
@rtyler rtyler enabled auto-merge (rebase) September 15, 2023 07:17
@rtyler rtyler modified the milestones: Python v0.10.2, Rust v0.16 Sep 15, 2023
@rtyler rtyler merged commit 47fc849 into delta-io:main Sep 17, 2023
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delta-rs does not appear to support tables with liquid clustering
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