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  1. FHIR Specification Feedback
  2. FHIR-29315

Define max entries to be sent in a subscription

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    • Icon: Change Request Change Request
    • Resolution: Persuasive with Modification
    • Icon: Medium Medium
    • FHIR Core (FHIR)
    • R4
    • FHIR Infrastructure
    • Subscription
    • (methodology)
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      • Add a Subscription.maxCount 0..1 "positiveInteger"
      • Follow the same semantics of _count on searches: a server must never give more than _count entries in a bundle, but can give fewer (servers can reject a subscription or modify a subscription if this is too small)
      • This limit applies only to triggering resources, not to additional supporting bundle entries (similar to how _count on search only applies to entries where mode=match, not mode=include)
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      Add a Subscription.maxCount 0..1 "positiveInteger" Follow the same semantics of _count on searches: a server must never give more than _count entries in a bundle, but can give fewer (servers can reject a subscription or modify a subscription if this is too small) This limit applies only to triggering resources, not to additional supporting bundle entries (similar to how _count on search only applies to entries where mode=match, not mode=include)
    • Gino Canessa / Rick Geimer: 12-0-0
    • Enhancement
    • Compatible, substantive
    • R5

    Description

      Updates to a subscription are sent via a bundle. When the number of updated resources exceeds some threshold (e.g. 200), it's not clear what the behavior would be - would the server send the whole data set and attempt to construct the response regardless of number of resources? Would the server truncate and/or paginate the resources back? 

      We may need to define a 'max' parameter for a subscription and/or subscriptionTopic to make this behavior more predictable. 

       

      cc ginocanessa

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            osacn Obaid Sarvana (Inactive)
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