spring-projects / spring-projects/spring-data-relational

Load arbitrary aggregates with a single select

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#1,445 4 comments 36 reactions 0 assignees View on GitHub

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in: single-query-loading type: enhancement
Dominant language
Java
Stars
827
Forks
394
PR merge metrics
No merged PRs in 30d

Description

This should resolve #592. I opted for a separate issue in order to allow for a more focused discourse about this specific approach.

We have a concept for how to load arbitrary aggregates with a single select statement, at least for those databases that support a sufficient subset of the SQL standard.

This ticket is an epic for tracking the progress in the implementation this concept.

Subtickets:

  • #1579
  • #1658
  • #1446
  • #1586
  • #1447
  • #1448
  • #1449
  • #1450
  • #1451
  • #1601
  • #1545
  • #1546

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 the unresolved subtickets listed in this epic, especially #1579, #1658, #1447, #1449, #1450, #1451, #1545, and #1546, along with the completed items for context. The issue describes a broader approach for loading arbitrary aggregates with one SQL select; progress is complete when the tracked subtickets and the overall implementation concept are resolved.

Written by the indexing model from the issue text.

Assessment

Tech stack
java, sql
Domain
backend, database
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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