Spec edits for @defer/@stream

At a glance

• Identifier: #742
• Stage: RFC2: Draft
• Champion: @robrichard
• PR: Spec edits for @defer/@stream
• Related:
  • #1023 (incremental delivery without branching)

Timeline

• Commit pushed: CollectFields does not require path or asyncRecord (#11) on 2023-01-16 by @yaacovCR
• Commit pushed: replace server with service on 2023-01-15 by @robrichard
• Commit pushed: fix typo on 2022-12-05 by @robrichard
• Commit pushed: fix parentRecord argument in ExecuteStreamField (#7) on 2022-11-29 by @yaacovCR
• Commit pushed: clarify label is not required on 2022-11-23 by @robrichard
• 2 commits pushed on 2022-11-22:
  • Raise a field error if defer/stream encountered during subscription e… by @robrichard
  • Add validation rule for defer/stream on subscriptions by @robrichard
• Commit pushed: Add error handling for stream iterators (#5) on 2022-11-21 by @yaacovCR
• Commit pushed: fix typos (#6) on 2022-11-18 by @yaacovCR
• Commit pushed: remove ResolveFIeldGenerator (#4) on 2022-11-16 by @yaacovCR
• Commit pushed: small fixes (#3) on 2022-11-07 by @yaacovCR
• Commit pushed: update on hasNext on 2022-11-01 by @robrichard
• Added to 2022-11 WG agenda
• Mentioned in 2022-11 WG notes
• Commit pushed: link to note on should on 2022-10-12 by @robrichard
• Added to 2022-10 WG agenda
• 3 commits pushed on 2022-09-09:
  • typo by @robrichard
  • improve non-null example by @robrichard
  • Add FilterSubsequentPayloads algorithm by @robrichard
• 11 commits pushed on 2022-09-08:
  • Add error boundary behavior by @robrichard
  • defer/stream response => payload by @robrichard
  • event stream => response stream by @robrichard
  • link to path section by @robrichard
  • use case no dash by @robrichard
  • remove "or null" by @robrichard
  • add detailed incremental example by @robrichard
  • update label validation rule by @robrichard
  • clarify hasNext on incremental example by @robrichard
  • clarify canceling of subsequent payloads by @robrichard
  • Add examples for non-null cases by @robrichard
• Added to 2022-09-01 WG agenda
• Mentioned in 2022-09-01 WG notes
• Commit pushed: clarify null behavior of if on 2022-08-24 by @robrichard
• 2 commits pushed on 2022-08-23:
  • if: Boolean! = true by @robrichard
  • address pr feedback by @robrichard
• 7 commits pushed on 2022-08-18:
  • Introduce @defer and @stream. by @robrichard
  • Raise a field error if initialCount is less than zero by @robrichard
  • wait for parent async record to ensure correct order of payloads by @robrichard
  • spec updates to reflect latest discussions by @robrichard
  • Note about mutation execution order by @robrichard
  • minor change for uniqueness by @robrichard
  • fix typos by @robrichard
• Commit pushed: Align deferred fragment field collection with reference implementation on 2022-08-03 by @robrichard
• 3 commits pushed on 2022-06-09:
  • add missing line by @robrichard
  • fix ExecuteRequest by @robrichard
  • fix response by @robrichard
• 2 commits pushed on 2022-03-23:
  • fix wrong quotes by @robrichard
  • remove label/path requirement by @robrichard
• Commit pushed: Clarification on labels on 2022-03-08 by @robrichard
• Commit pushed: add validation “Defer And Stream Directive Labels Are Unique” on 2022-03-07 by @robrichard
• 2 commits pushed on 2022-02-07:
  • stream if argument, indexPath -> itemPath by @robrichard
  • Clarify stream only applies to outermost list of multi-dimensional ar… by @robrichard
• Commit pushed: deferDirective and visitedFragments on 2022-02-02 by @robrichard
• Commit pushed: fix typo on 2022-01-21 by @robrichard
• Commit pushed: add isCompletedIterator to AsyncPayloadRecord to track completed iter… on 2021-12-30 by @robrichard
• 2 commits pushed on 2021-12-20:
  • Simplify execution, payloads should begin execution immediately by @robrichard
  • Clarify error handling by @robrichard
• 2 commits pushed on 2021-12-06:
  • data is not necessarily an object in subsequent payloads by @robrichard
  • add Defer And Stream Directives Are Used On Valid Root Field rule by @robrichard
• Commit pushed: fix typo on 2021-11-26 by @robrichard
• Commit pushed: allow extensions only subsequent payloads on 2021-11-25 by @robrichard
• Commit pushed: clarify negative values of initialCount on 2021-11-20 by @robrichard
• Commit pushed: clarification on defer/stream requirement on 2021-11-19 by @robrichard
• Added to 2021-06-03 WG agenda
• Mentioned in 2021-06-03 WG notes
• Commit pushed: Update Section 3 -- Type System.md on 2021-05-15 by @robrichard
• 3 commits pushed on 2021-02-17:
  • fix typos by @robrichard
  • clear up that it is legal to support either defer or stream individually by @robrichard
  • Add sumary of arguments to Type System by @robrichard
• Added to 2021-01-07 WG agenda
• Mentioned in 2021-01-07 WG notes
• Added to 2020-09-03 WG agenda
• Mentioned in 2020-09-03 WG notes
• Added to 2020-08-06 WG agenda
• Mentioned in 2020-08-06 WG notes
• Spec PR created on 2020-07-02 by robrichard
• Added to 2020-07-02 WG agenda
• Mentioned in 2020-07-02 WG notes

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Corresponding graphql-js pull request: https://github.com/graphql/graphql-js/pull/2319

Please keep discussion limited to specifics on how the spec text is written. There is a dedicated discussion forum for questions, feedback, and comments on defer & stream: https://github.com/robrichard/defer-stream-wg/discussions