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fix(version aspects): fixes for version aspect fetching #2723

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Merged
shirshanka merged 3 commits into from
Jun 22, 2021
Merged

fix(version aspects): fixes for version aspect fetching #2723

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51c5ab2
minor fixes for version aspect fetching
gabe-lyons Jun 20, 2021
43477ee
adding comments + refactor
gabe-lyons Jun 22, 2021
4cf4452
adding extra check to calculateVersionNumber
gabe-lyons Jun 22, 2021
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2 changes: 1 addition & 1 deletion datahub-graphql-core/src/main/java/com/linkedin/datahub/graphql/resolvers/ResolverUtils.java
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Original file line number Diff line number Diff line change
Expand Up @@ -96,7 +96,7 @@ public static VersionedAspect getAspectFromLocalContext(DataFetchingEnvironment
Object localContext = environment.getLocalContext();
// if we have context & the version is 0, we should try to retrieve it from the fetched entity
// otherwise, we should just fetch the entity from the aspect resource
if (localContext == null && version == 0 || version == null) {
if (localContext != null && version == 0 || version == null) {
if (localContext instanceof Map) {
// de-register the prefetched aspect from local context. Since aspects will only
// ever be first-class properties of an entity type, local context will always
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2 changes: 1 addition & 1 deletion metadata-io/src/main/java/com/linkedin/metadata/entity/ebean/EbeanEntityService.java
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Expand Up @@ -95,7 +95,7 @@ public Map<Urn, List<RecordTemplate>> getLatestAspects(@Nonnull final Set<Urn> u
@Nullable
public RecordTemplate getAspect(@Nonnull final Urn urn, @Nonnull final String aspectName, @Nonnull long version) {
if (version < 0) {
version = _entityDao.getMaxVersion(urn.toString(), aspectName) - version + 1;
version = _entityDao.getMaxVersion(urn.toString(), aspectName) + version + 1;
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@shirshanka shirshanka Jun 21, 2021

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add a comment about why this is the right math?

}
final EbeanAspectV2.PrimaryKey primaryKey = new EbeanAspectV2.PrimaryKey(urn.toString(), aspectName, version);
final Optional<EbeanAspectV2> maybeAspect = Optional.ofNullable(_entityDao.getAspect(primaryKey));
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