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feat: multi-dataset join support#509

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islxyqwe wants to merge 58 commits intomainfrom
feat/multi-dataset-merge
Open

feat: multi-dataset join support#509
islxyqwe wants to merge 58 commits intomainfrom
feat/multi-dataset-merge

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@islxyqwe
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@islxyqwe islxyqwe commented Mar 4, 2026

Summary

  • Adds multi-dataset join feature allowing users to join multiple datasets in a single visualization
  • Implements IJoinPath interface and join worker (join.worker.ts) for dataset joining
  • Adds dataset selector UI, foreign key dialog, and per-field dataset tracking (originalFid, joinPath)
  • Adds addJoinForQuery / changeDatasetForQuery utilities to the workflow engine

Changes from main merged in

  • React 19 upgrade
  • @observablehq/plot chart support
  • Updated radix-ui dependency versions
  • Custom sort type (ICustomSortType) and manual sort value support
  • titleOverride and customFormat on view fields
  • Field editing in view (editField action)
  • react-dom bundle removed from output

Test plan

  • Build passes (yarn build)
  • Existing chart types still render correctly
  • Multi-dataset join UI appears when multiple datasets are configured
  • Join dialog correctly links fields across datasets
  • Computed fields work with joined datasets
  • Observable plot charts render correctly

🤖 Generated with Claude Code

islxyqwe and others added 28 commits May 31, 2024 14:52
* chore: reduce unneed computation

* fix: show table summary is not reactive

* fix: field position & reactive
* fix: geo panel issue

* fix: geoList in playground

* fix: geoList
Resolves conflicts between multi-dataset branch and main, combining:
- Multi-dataset join features (IJoinPath, multi-dataset fields, join worker)
- Main's React 19 upgrade, @observablehq/plot support, react-dom removal
- Updated radix-ui and other dependency versions from main
- Main's new features: custom sort, titleOverride, field editing, ObservablePlot

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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