Support pushdown mathematics functions
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component/coprocessor
component/expression
type/feature-request
- Dominant language
- C++
- Stars
- 1k
- Forks
- 423
- Avg merge
- 1d 15h
- Merged PRs (30d)
- 24
Description
Related to #1847
Here's list of mathematics funcitons supported by TiKV but not supported by TiFlash:
- Ceil
- Ceiling
- Floor
- Sqrt
- Sign
- Ln
- Log
- Log2
- Log10
- Exp
- Pow
- Radians
- Degrees
- Conv
- CRC32
Besides, we need to support more mathematics functions.
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 with related issue #1847 and compare the listed mathematics functions supported by TiKV but not TiFlash. Clarify the intended function scope, beginning with Sign; done means the agreed functions are supported by TiFlash and covered by the project's relevant tests.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- cpp
- Domain
- databases
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 30/100