feat(lineage): give via and paths in entity lineage response

datahub-graphql-core/src/main/java/com/linkedin/datahub/graphql/resolvers/load/EntityLineageResultResolver.java

@@ -1,8 +1,10 @@
 package com.linkedin.datahub.graphql.resolvers.load;
 
 import static com.linkedin.datahub.graphql.resolvers.ResolverUtils.*;
+import static com.linkedin.datahub.graphql.types.mappers.MapperUtils.*;
 
 import com.datahub.authorization.AuthorizationConfiguration;
+import com.linkedin.common.UrnArrayArray;
 import com.linkedin.common.urn.Urn;
 import com.linkedin.common.urn.UrnUtils;
 import com.linkedin.data.template.SetMode;
@@ -156,6 +158,11 @@ private LineageRelationship mapEntityRelationship(
  result.setUpdatedActor(UrnToEntityMapper.map(context, updatedActor));
  }
  result.setIsManual(lineageRelationship.hasIsManual() && lineageRelationship.isIsManual());
+ if (lineageRelationship.getPaths() != null) {
+ UrnArrayArray paths = lineageRelationship.getPaths();
+ result.setPaths(
+ paths.stream().map(path -> mapPath(context, path)).collect(Collectors.toList()));
+ }
 
  return result;
  }

datahub-graphql-core/src/main/java/com/linkedin/datahub/graphql/types/mappers/MapperUtils.java

@@ -3,9 +3,11 @@
 import static com.linkedin.datahub.graphql.util.SearchInsightsUtil.*;
 import static com.linkedin.metadata.utils.SearchUtil.*;
 
+import com.linkedin.common.UrnArray;
 import com.linkedin.common.urn.Urn;
 import com.linkedin.datahub.graphql.QueryContext;
 import com.linkedin.datahub.graphql.generated.AggregationMetadata;
+import com.linkedin.datahub.graphql.generated.EntityPath;
 import com.linkedin.datahub.graphql.generated.FacetMetadata;
 import com.linkedin.datahub.graphql.generated.MatchedField;
 import com.linkedin.datahub.graphql.generated.SearchResult;
@@ -104,4 +106,11 @@ public static SearchSuggestion mapSearchSuggestion(
  return new SearchSuggestion(
  suggestion.getText(), suggestion.getScore(), Math.toIntExact(suggestion.getFrequency()));
  }
+
+ public static EntityPath mapPath(@Nullable final QueryContext context, UrnArray path) {
+ EntityPath entityPath = new EntityPath();
+ entityPath.setPath(
+ path.stream().map(p -> UrnToEntityMapper.map(context, p)).collect(Collectors.toList()));
+ return entityPath;
+ }
 }

datahub-graphql-core/src/main/java/com/linkedin/datahub/graphql/types/mappers/UrnSearchAcrossLineageResultsMapper.java

@@ -3,11 +3,9 @@
 import static com.linkedin.datahub.graphql.types.mappers.MapperUtils.*;
 import static com.linkedin.datahub.graphql.util.SearchInsightsUtil.*;
 
-import com.linkedin.common.UrnArray;
 import com.linkedin.data.template.RecordTemplate;
 import com.linkedin.datahub.graphql.QueryContext;
 import com.linkedin.datahub.graphql.generated.Entity;
-import com.linkedin.datahub.graphql.generated.EntityPath;
 import com.linkedin.datahub.graphql.generated.FreshnessStats;
 import com.linkedin.datahub.graphql.generated.SearchAcrossLineageResult;
 import com.linkedin.datahub.graphql.generated.SearchAcrossLineageResults;
@@ -72,13 +70,7 @@ private SearchAcrossLineageResult mapResult(
  .setDegree(searchEntity.getDegree())
  .setDegrees(new ArrayList<>(searchEntity.getDegrees()))
  .setExplored(Boolean.TRUE.equals(searchEntity.isExplored()))
+ .setIgnoredAsHop(Boolean.TRUE.equals(searchEntity.isIgnoredAsHop()))
  .build();
  }
-
- private EntityPath mapPath(@Nullable final QueryContext context, UrnArray path) {
- EntityPath entityPath = new EntityPath();
- entityPath.setPath(
- path.stream().map(p -> UrnToEntityMapper.map(context, p)).collect(Collectors.toList()));
- return entityPath;
- }
 }

datahub-graphql-core/src/main/resources/entity.graphql

@@ -1331,6 +1331,10 @@ type LineageRelationship {
  """
  isManual: Boolean
 
+ """
+ The paths traversed for this relationship
+ """
+ paths: [EntityPath]
 }
 
 """

datahub-graphql-core/src/main/resources/search.graphql

@@ -747,6 +747,11 @@ type SearchAcrossLineageResult {
  """
  explored: Boolean!
 
+ """
+ Whether this relationship was ignored as a hop
+ """
+ ignoredAsHop: Boolean!
+
 }
 
 """

metadata-io/src/main/java/com/linkedin/metadata/graph/elastic/ESGraphQueryDAO.java

@@ -389,9 +389,11 @@ private Stream<Urn> processOneHopLineage(
  || platformMatches(
  lineageRelationship.getEntity(),
  ignoreAsHops.get(entityType)))))
- .map(LineageRelationship::getEntity)
- .forEach(additionalCurrentLevel::add);
- ;
+ .forEach(
+ lineageRelationship -> {
+ additionalCurrentLevel.add(lineageRelationship.getEntity());
+ lineageRelationship.setIgnoredAsHop(true);
+ });
  if (!additionalCurrentLevel.isEmpty()) {
  Stream<Urn> ignoreAsHopUrns =
  processOneHopLineage(

metadata-io/src/main/java/com/linkedin/metadata/search/LineageSearchService.java

@@ -739,6 +739,7 @@ private LineageSearchEntity buildLineageSearchEntity(
  entity.setDegrees(lineageRelationship.getDegrees());
  }
  entity.setExplored(Boolean.TRUE.equals(lineageRelationship.isExplored()));
+ entity.setIgnoredAsHop(Boolean.TRUE.equals(lineageRelationship.isIgnoredAsHop()));
  }
  return entity;
  }

metadata-models/src/main/pegasus/com/linkedin/metadata/graph/LineageRelationship.pdl

@@ -72,4 +72,9 @@ record LineageRelationship {
  * Marks this relationship as explored during the graph walk
  */
  explored: optional boolean
+
+ /**
+ * Whether this relationship was ignored as a hop while performing the graph walk
+ */
+ ignoredAsHop: optional boolean
 }

metadata-models/src/main/pegasus/com/linkedin/metadata/search/LineageSearchEntity.pdl

@@ -34,4 +34,9 @@ record LineageSearchEntity includes SearchEntity {
  * Marks an entity as having been explored for as a part of the graph walk
  */
  explored: optional boolean
+
+ /**
+ * Whether this relationship was ignored as a hop while performing the graph walk
+ */
+ ignoredAsHop: optional boolean
 }

metadata-service/restli-api/src/main/snapshot/com.linkedin.entity.entities.snapshot.json

@@ -6210,6 +6210,11 @@
  "type" : "boolean",
  "doc" : "Marks an entity as having been explored for as a part of the graph walk",
  "optional" : true
+ }, {
+ "name" : "ignoredAsHop",
+ "type" : "boolean",
+ "doc" : "Whether this relationship was ignored as a hop while performing the graph walk",
+ "optional" : true
  } ]
  }
  },

metadata-service/restli-api/src/main/snapshot/com.linkedin.lineage.relationships.snapshot.json

@@ -182,6 +182,11 @@
  "type" : "boolean",
  "doc" : "Marks this relationship as explored during the graph walk",
  "optional" : true
+ }, {
+ "name" : "ignoredAsHop",
+ "type" : "boolean",
+ "doc" : "Whether this relationship was ignored as a hop while performing the graph walk",
+ "optional" : true
  } ]
  }
  },