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Try to speed up queries with Yield Per #42

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jwodder opened this issue Oct 16, 2023 · 0 comments
Open

Try to speed up queries with Yield Per #42

jwodder opened this issue Oct 16, 2023 · 0 comments
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needs research More information is required performance More efficient use of time and space

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@jwodder
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jwodder commented Oct 16, 2023

SQLAlchemy documentation: https://docs.sqlalchemy.org/en/20/orm/queryguide/api.html#orm-queryguide-yield-per

Possible places where this could be used:

  • Fetching wheels for the dump command (currently paginated via
    Flask-SQLAlchemy)

  • Assuming it's safe to use Yield Per while modifying the results:

    • Project query in purge_old_versions()
    • Wheel.to_process()
    • process_orphan_wheels()
@jwodder jwodder added needs research More information is required performance More efficient use of time and space labels Oct 16, 2023
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