OData / OData/RESTier

[2.0] Delay Query Materialization

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P1 perf
Dominant language
C#
Stars
481
Forks
136
PR merge metrics
No merged PRs in 30d

Description

in DefaultQueryExecutor.ExecuteQueryAsync there's a call to query.ToList() that loads all results into memory

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 at DefaultQueryExecutor.ExecuteQueryAsync and inspect how the query returned there is consumed after the query.ToList() call. Trace the execution path to determine where materialization is required; done means the query is not loaded entirely into memory prematurely while its existing results remain correct.

Written by the indexing model from the issue text.

Assessment

Tech stack
csharp
Domain
api, backend, performance
Issue type
Refactor
Difficulty
3/5
Estimated time
1-2 days
Activity status
Quiet
Clarity
Mostly clear
Newbie friendliness
58/100

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