OpenAPITools / OpenAPITools/openapi-generator
[BUG][Kotlin] Query params are converted from snake_case to camelCase
Open
Nobody has claimed this yet.
Issue: Bug
- Dominant language
- Java
- Stars
- 26.8k
- Forks
- 7.7k
- PR merge metrics
- PR metrics pending
Description
Description
A query param that is in snake case is converted to camelCase in the generated code, so the requests do myendpoint?deviceId=AAAAA instead of myendpoint?device_id=AAAAA
- name: device_id
in: query
description: device external ID
type: string
openapi-generator version
openapi-generator-gradle-plugin:4.2.2
OpenAPI declaration file content or url
- name: device_id
in: query
description: device external ID
type: string
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Reproduce the Kotlin client generation with the supplied OpenAPI YAML and inspect the Kotlin generator's query-parameter naming path. Verify that the generated request uses device_id rather than deviceId, then run the relevant generator tests or add coverage for this declaration to confirm the fix.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- kotlin, openapi
- Domain
- api, tooling
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 48/100