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[PR #29035] fix(workflow): tool plugin output_schema array type not selectable in subsequent nodes #32276

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opened 2026-02-21 20:51:05 -05:00 by yindo · 0 comments
yindo commented 2026-02-21 20:51:05 -05:00
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Original Pull Request: https://github.com/langgenius/dify/pull/29035

State: closed
Merged: Yes

…orkflow

Fixed an issue where array type fields (e.g., array[object]) defined in tool plugin output_schema could not be selected as input in subsequent workflow nodes.

The root cause was that the tool node's getOutputVars function was converting array types to string identifiers (e.g., "Array[object]") instead of proper VarType enums (e.g., VarType.arrayObject).

Changes:

  • Add output-schema-utils.ts with resolveVarType function to properly map JSON Schema types to VarType enums
  • Update default.ts to use the new resolveVarType function
  • Add comprehensive unit tests for the new utility functions

Fixes #28940
Fixes #27673

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  1. Make sure you have read our contribution guidelines
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Checklist

  • This change requires a documentation update, included: Dify Document
  • I understand that this PR may be closed in case there was no previous discussion or issues. (This doesn't apply to typos!)
  • I've added a test for each change that was introduced, and I tried as much as possible to make a single atomic change.
  • I've updated the documentation accordingly.
  • I ran dev/reformat(backend) and cd web && npx lint-staged(frontend) to appease the lint gods
**Original Pull Request:** https://github.com/langgenius/dify/pull/29035 **State:** closed **Merged:** Yes --- …orkflow Fixed an issue where array type fields (e.g., array[object]) defined in tool plugin output_schema could not be selected as input in subsequent workflow nodes. The root cause was that the tool node's getOutputVars function was converting array types to string identifiers (e.g., "Array[object]") instead of proper VarType enums (e.g., VarType.arrayObject). Changes: - Add output-schema-utils.ts with resolveVarType function to properly map JSON Schema types to VarType enums - Update default.ts to use the new resolveVarType function - Add comprehensive unit tests for the new utility functions Fixes #28940 Fixes #27673 🤖 Generated with [Claude Code](https://claude.com/claude-code) > [!IMPORTANT] > > 1. Make sure you have read our [contribution guidelines](https://github.com/langgenius/dify/blob/main/CONTRIBUTING.md) > 1. Ensure there is an associated issue and you have been assigned to it > 1. Use the correct syntax to link this PR: `Fixes #<issue number>`. ## Summary <!-- Please include a summary of the change and which issue is fixed. Please also include relevant motivation and context. List any dependencies that are required for this change. --> ## Screenshots | Before | After | |--------|-------| | ... | ... | ## Checklist - [ ] This change requires a documentation update, included: [Dify Document](https://github.com/langgenius/dify-docs) - [x] I understand that this PR may be closed in case there was no previous discussion or issues. (This doesn't apply to typos!) - [x] I've added a test for each change that was introduced, and I tried as much as possible to make a single atomic change. - [x] I've updated the documentation accordingly. - [x] I ran `dev/reformat`(backend) and `cd web && npx lint-staged`(frontend) to appease the lint gods
yindo added the pull-request label 2026-02-21 20:51:05 -05:00
yindo closed this issue 2026-02-21 20:51:05 -05:00
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Reference: langgenius/dify#32276
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