cube-js/cube

Align `TableColumn` Type with `Annotation` (Client Core)

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#9,976 opened on Sep 17, 2025

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client:corehelp wanted

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Description

Is your feature request related to a problem? Please describe.

We have two related types (as I believe table columns are derived from the annotation data):

https://github.com/cube-js/cube/blob/0fde75d3975d6911ec67353dacb9cfa0f62f0096/packages/cubejs-client-core/src/types.ts#L18-L27

https://github.com/cube-js/cube/blob/0fde75d3975d6911ec67353dacb9cfa0f62f0096/packages/cubejs-client-core/src/types.ts#L304-L313

I'm wondering why the types for type and format are different? I feel like Annotation is the correct one?

Describe the solution you'd like

Update the TableColumn type to better match Annotation.

Describe alternatives you've considered

N/A

Additional context

N/A

Contributor guide

Research direction
Compare the `TableColumn` and `Annotation` types in the client core types.ts file and align the `type` and `format` fields.
Tech stack
typescript
Domain
api
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
GitTypeScript
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
75