pingcap / pingcap/tiflash

Implement `Agg_BitAnd` function push down

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#5,117 1 comment 0 reactions 0 assignees View on GitHub

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component/compute good first issue help wanted type/enhancement type/feature-request
Dominant language
C++
Stars
1k
Forks
423
Avg merge
1d 15h
Merged PRs (30d)
24

Description

Feature Request

Describe the feature you'd like:

We'd like to support Agg_BitAnd function push down.

Teachability, Documentation, Adoption, Migration Strategy:

At least one integration test and several unit tests.

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

No file or entry point is named. Start by locating the Agg_BitAnd implementation and the existing function push-down tests, then compare how related aggregate functions are handled. Done means the function is pushed down with at least one integration test and several unit tests.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp
Domain
database
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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