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Support loading dataset by tag - #84

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dentiny wants to merge 2 commits into
lance-format:mainfrom
dentiny:hjiang/support-branch-selection
Open

Support loading dataset by tag#84
dentiny wants to merge 2 commits into
lance-format:mainfrom
dentiny:hjiang/support-branch-selection

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@dentiny

@dentiny dentiny commented Aug 8, 2026

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Closes #83

Hi team, in this PR I add multi-version dataset viewing. The viewer continues to load the latest snapshot from main by default, while allowing users to select a numeric version or tag for ML experimentation and dataset comparison.

Implementation-wise, a few changes

  • Add a dataset-location field when DATA_PATH is not configured.
  • Add an optional reference field supporting:
    • main for the latest snapshot
    • A numeric version such as 1
    • A tag such as tag:base-snapshot
  • Propagate the selected location and reference through dataset API requests.
  • Display reference and dataset-loading errors in the UI.

Landing page
image

Loading dataset by default "main"
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Loading dataset by tag and version
image

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[feat]: support switch to new branch / version

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