lance-format / lance-format/lance

JSON index is not used by the optimizer

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enhancement
Dominant language
Rust
Stars
7.1k
Forks
852
Avg merge
3d 18h
Merged PRs (30d)
272

Description

PR https://github.com/lancedb/lance/pull/4621 and https://github.com/lancedb/lance/pull/4626 added JSON Index support but it's not used by the optimizer so far.

Contributor guide

Open the contributing guide

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

Start by reviewing PRs 4621 and 4626 to understand the JSON Index support, then trace how the optimizer selects indexes. The work is complete when the optimizer considers and uses JSON indexes where applicable, with coverage added for that behavior.

Written by the indexing model from the issue text.

Assessment

Tech stack
rust
Domain
databases
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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