Tagged: dataloader

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  Part 4: Batching With DataLoader

  Collect the lookups of a request with DataLoader and answer them with one query per table, so the quest board needs three SQL queries instead of sixteen.

  Intermediate25 min
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  Part 5: Mutations and Live Updates With Subscriptions

  Post, accept and complete quests with mutations, push every change to subscribed clients over Server-Sent Events, and keep the DataLoader cache from going stale in long-lived subscriptions.

  Intermediate30 min