pingcap / pingcap/tiflash

Should support taking variable as arguments in SUBSTRING function

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component/compute component/expression severity/moderate type/bug
Dominant language
C++
Stars
1k
Forks
423
Avg merge
1d 15h
Merged PRs (30d)
24

Description

This issue has no description.

Contributor guide

No contributing guide indexed for this repository

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

The issue names only the SUBSTRING function and variable arguments, with no files or tests. Start by locating the SUBSTRING implementation and its existing argument-handling tests; confirm the expected syntax and behavior before determining what coverage is needed for variable arguments.

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
25/100

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