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enhance(ResolveFieldValue): note that list items may be async #1066

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Oct 17, 2024
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enhance(ResolveFieldValue): note that list items may be async #1066

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enhance(ResolveFieldValue): add async collection language
yaacovCR Dec 7, 2023
32b7716
Update spec/Section 6 -- Execution.md
yaacovCR Sep 12, 2024
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yaacovCR Sep 18, 2024
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10 changes: 9 additions & 1 deletion spec/Section 6 -- Execution.md
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Expand Up @@ -656,6 +656,12 @@ As an example, this might accept the {objectType} `Person`, the {field}
{"soulMate"}, and the {objectValue} representing John Lennon. It would be
expected to yield the value representing Yoko Ono.

List values are resolved similarly. For example, {ResolveFieldValue} might also
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accept the {objectType} `MusicBand`, the {field} {"members"}, and the
{objectValue} representing the Beatles. It would be expected to yield a
collection of values representing John Lennon, Paul McCartney, Ringo Starr and
George Harrison.

ResolveFieldValue(objectType, objectValue, fieldName, argumentValues):

- Let {resolver} be the internal function provided by {objectType} for
Expand All @@ -666,7 +672,9 @@ ResolveFieldValue(objectType, objectValue, fieldName, argumentValues):
Note: It is common for {resolver} to be asynchronous due to relying on reading
an underlying database or networked service to produce a value. This
necessitates the rest of a GraphQL executor to handle an asynchronous execution
flow.
flow. In addition, for fields that have a return type that is a List type, each
value in a collection of values returned by {resolver} may be retrieved
asynchronously.
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### Value Completion

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