Refine return type deduction of CAST functions
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component/expression
type/enhancement
- Dominant language
- C++
- Stars
- 1k
- Forks
- 423
- Avg merge
- 1d 15h
- Merged PRs (30d)
- 24
Description
So far CAST function will use its second argument(a type string, e.g. "Nullable(Int64)") to generate return type directly, without any check or extra deduction.
Contributor guide
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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
Start by locating the CAST function implementation and the code that derives its return type from the second argument. The issue does not name files, tests, or the intended deduction rules, so clarify the expected checks and extra deduction behavior before defining what completion means.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- cpp
- Domain
- databases
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 20/100