implement some Oracle functions based on TiDB
- Dominant language
- Go
- Stars
- 40.5k
- Forks
- 6.2k
- PR merge metrics
- PR metrics pending
Description
## Feature Request
To implement some Oracle functions based on TiDB.
### Development branch
- https://github.com/pingcap/tidb/tree/feature/release-8.5-oracle-func-impl
### Funtions
These are functions blow:
- [x] nvl
- [x] nvl2
- [x] to_date
- [x] to_char
- [x] to_number
- [x] abs
- [x] decode
- [x] sysdate
- [x] sys_guid
- [x] substr
- [x] add_months
- [x] months_between
- [x] systimestamp
- [x] next_day
- [x] instr
- [x] wm_concat
Contributor guide
Research direction
Start by reviewing the feature/release-8.5-oracle-func-impl branch and compare its state with the checked function list in this issue. Identify which listed Oracle-compatible functions are still incomplete and confirm the expected behavior from the existing TiDB implementation. Done means the remaining functions are implemented and the issue's checklist can be completed.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- go, sql
- Domain
- databases
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 20/100