microsoft / microsoft/api-guidelines

Updated Azure Guidelines: Projections

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Azure Guidelines
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Description

This came up during the first draft of collections guidance.

We should think about prescriptive guidance for projections (in List and maybe Get operations). Current Azure examples include:

  • $select for OData projections that narrow to a set of fields
  • $expand for OData projections fetch additional entities
  • an include query parameter to narrow conceptually (example)

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 with the first draft of collections guidance in pull request #243 and review the linked Azure examples for $select, $expand, and include. Compare how projections apply to List and Get operations, then document prescriptive guidance that resolves when each approach should be used.

Written by the indexing model from the issue text.

Assessment

Tech stack
azure
Domain
api, backend-api-design, documentation
Issue type
Documentation
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
25/100

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