Support counting relations
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- Dominant language
- JavaScript
- Stars
- 7
- Forks
- 7
- Avg merge
- 9h 4m
- Merged PRs (30d)
- 22
Description
Description
NQL should support counting relations.
The SQL strategy is currently covered in https://github.com/NexesJS/NQL/issues/1.
e.g. You can pass a filter into NQL filter=count.posts>:0 and mongo-knex will receive a mongo JSON object and needs to interpret this object with the help of TryGhost/mongo-knex#4. It has to attach the correct SQL queries.
Tasks
- add implementation for counting relations
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 by reading the SQL strategy described in issue #1 and the referenced mongo-knex#4 behavior. Trace how the filter count.posts>:0 is passed to mongo-knex, then define completion as implementing relation-count support and attaching the correct SQL queries for the resulting query object.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- javascript, mongodb, sql
- Domain
- backend, databases
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100