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vParquet5: fix two smaller bugs - #6100

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stoewer merged 3 commits into
grafana:mainfrom
stoewer:vp5-fixes
Dec 18, 2025
Merged

vParquet5: fix two smaller bugs#6100
stoewer merged 3 commits into
grafana:mainfrom
stoewer:vp5-fixes

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@stoewer

@stoewer stoewer commented Dec 18, 2025

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What this PR does:
This fixes two small bugs in vParquet5-preview6 that I discovered while testing the new encoding locally.

  • Dedicated column configurations with options: ["blob"] were not passing the validation
  • Event dedicated columns were not properly converted when reading a trace from parquet. As a result those columns didn't show in the trace view.

Checklist

  • Tests updated
  • Documentation added
  • CHANGELOG.md updated - the order of entries should be [CHANGE], [FEATURE], [ENHANCEMENT], [BUGFIX]
@stoewer
stoewer merged commit a751108 into grafana:main Dec 18, 2025
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@stoewer
stoewer deleted the vp5-fixes branch February 12, 2026 09:52
mattdurham pushed a commit to mattdurham/tempo that referenced this pull request Jun 18, 2026
* Fix DedicatedColumns.Validate() to accept 'blob' as an option

* Convert event dedicated attrs when reading trace from parquet
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