MATCH (a:Artifact {type:"jar",artifactId:"org.eclipse.jetty.websocket",groupId:"websocket-api"}) RETURN a

MATCH (n)-->(m) RETURN n,m

MATCH (a:Artifact)-[r]-() WITH a, count(r) as sstcount WHERE sstcount > 1 MATCH (a)<--(n) RETURN a, n

MATCH (a:Artifact { type: "jar", artifactId: "net.sourceforge.htmlunit", groupId: "htmlunit" }) RETURN a

MATCH (a:Artifact { type: "jar", artifactId: "net.sourceforge.htmlunit", groupId: "htmlunit" }) MATCH (a)-[*..5]-(b:Artifact) RETURN a,b

MATCH (a:Artifact { type: "jar", artifactId: "net.sourceforge.htmlunit", groupId: "htmlunit" }) MATCH (a)-[*..5]-()-[r:IS_VERSION_OF]->(b:Artifact) WITH b, count(r) as sstcount WHERE sstcount > 1 RETURN b

MATCH (a:Artifact { type: "jar", groupId: "net.sourceforge.htmlunit", artifactId: "htmlunit" })<--(av:ArtifactVersion {version:'2.35.0'}) MATCH (av)-[:DEPEND_ON_ARTIFACT_VERSION*]->(oav1:ArtifactVersion) MATCH (av)-[:DEPEND_ON_ARTIFACT_VERSION*]->(oav2:ArtifactVersion) WITH oav1,oav2 MATCH (oav1)-[:IS_VERSION_OF]->(conflict:Artifact)<-[:IS_VERSION_OF]-(oav2) WHERE oav1 <> oav2 RETURN oav1,oav2,conflict

MATCH (a:Artifact { type: "jar", groupId: "net.sourceforge.htmlunit", artifactId: "htmlunit" })<--(av:ArtifactVersion {version:'2.35.0'}) MATCH (av)-[:DEPEND_ON_ARTIFACT_VERSION*]->(oav1:ArtifactVersion) MATCH (av)-[:DEPEND_ON_ARTIFACT_VERSION*]->(oav2:ArtifactVersion) WITH a,av,oav1,oav2 MATCH (oav1)-[:IS_VERSION_OF]->(conflict:Artifact)<-[:IS_VERSION_OF]-(oav2) WHERE oav1 <> oav2 RETURN a,av,oav1,oav2,conflict

https://neo4j.com/developer/kb/all-shortest-paths-between-set-of-nodes/

https://community.neo4j.com/t/all-shortest-paths-between-a-set-of-nodes/241/5 https://neo4j-contrib.github.io/neo4j-apoc-procedures/#_expand_paths

https://stackoverflow.com/questions/36897634/there-is-no-procedure-with-the-name-apoc-help-registered-for-this-database-ins

MATCH (a:Artifact { type: "jar", groupId: "net.sourceforge.htmlunit", artifactId: "htmlunit" })<--(av:ArtifactVersion {version:'2.35.0'}) MATCH (av)-[:DEPEND_ON_ARTIFACT_VERSION*]->(oav:ArtifactVersion) WITH collect(oav) as nodes, a UNWIND nodes as n UNWIND nodes as m WITH * WHERE id(n) < id(m) WITH collect(n) + collect(m) as conflicts UNWIND conflicts as nodes RETURN (nodes)--(:Artifact)

Quellen: https://stackoverflow.com/questions/14657265/finding-nodes-that-have-all-common-intermediaries https://stackoverflow.com/questions/15437036/neo4j-find-children-derived-from-same-parents-in-cypher https://stackoverflow.com/questions/21765875/cypher-subquery-on-each-node-in-path

match (c:JavaClass)-[:DEPEND_ON_EXTERNAL_JAVA_CLASS]->(d:JavaClass {name: 'org.apache.http.util.Args'}) return c,d

match (c:JavaClass)-[:DEPEND_ON_EXTERNAL_JAVA_CLASS]->(d:JavaClass) return c,d limit 20

match (n)-->(m) return n,m limit 20

match (n:ArtifactVersion {version: '4.5.8'}) return n

match (n:ArtifactVersion)-->(n) return n limit 20

MATCH (a:Artifact { type: "jar", groupId: "net.sourceforge.htmlunit", artifactId: "htmlunit" })<--(av:ArtifactVersion {version:'2.35.0'}) RETURN a,av

MATCH (a:Artifact { artifactId: 'htmlunit', groupId: 'net.sourceforge.htmlunit', type: 'jar' } ) RETURN a

MATCH (n:Artifact)<--(a:ArtifactVersion)-[:DEPEND_ON_ARTIFACT_VERSION*]->(b:ArtifactVersion)-->(m:Artifact) RETURN a, b, n, m

MATCH (n:Artifact)<--(a:ArtifactVersion)-->(b:ArtifactVersion)-->(m:Artifact) RETURN a, b, n, m

MATCH (a:Artifact { type: "ear", groupId: "com.charlyghislain.authenticator", artifactId: "example-ear" })<--(av:ArtifactVersion {version:'1.0.6'}) MATCH (av)-[:DEPEND_ON_ARTIFACT_VERSION*]->(oav1:ArtifactVersion) MATCH (av)-[:DEPEND_ON_ARTIFACT_VERSION*]->(oav2:ArtifactVersion) WITH a,av,oav1,oav2 MATCH (oav1)-[:IS_VERSION_OF]->(conflict:Artifact)<-[:IS_VERSION_OF]-(oav2) WHERE oav1 <> oav2 RETURN a,av,oav1,oav2,conflict

MATCH (a:Artifact { type: "ear", groupId: "com.charlyghislain.authenticator", artifactId: "example-ear" })<--(av:ArtifactVersion {version:'1.0.6'}) MATCH (av)--(rv:ArtifactVersion)--(ra:Artifact)--(ag:ArtifactGroup) RETURN a, av, ra, rv, ag

MATCH (a:Artifact { type: "ear", groupId: "com.charlyghislain.authenticator", artifactId: "example-ear" })<--(av:ArtifactVersion {version:'1.0.6'}) MATCH (av)-[:DEPEND_ON_ARTIFACT_VERSION*]->(oav:ArtifactVersion)-[:IS_VERSION_OF]->(oa:Artifact) RETURN a, av, oav, oa

RETURN apoc.create.vNode(["Regula"], {name: "Name"}) AS node

WITH apoc.create.vNode(["Regula"], {name: "Name"}) AS node1, apoc.create.vNode(["Regula"], {name: "Name"}) AS node2 RETURN node1, node2, apoc.create.vRelationship(node1, "IS_CONNECTED_TO", {}, node2) as relation

CALL apoc.nodes.group(['ArtifactVersion'],['groupId'], null, {selfRels:false}) YIELD node, relationship RETURN *;

--> https://stackoverflow.com/questions/53294084/aggregate-related-nodes-across-all-collections-in-neo4j-cypher