Example of not able to get distinct relationship types from all paths

Cypher RelTypes

//console

//setup
//hide
Initialize Graph
[source,cypher]
----
      CREATE
          ( socrates:Philosopher  {name:'Socrates', uri: 'http://dbpedia.org/resource/Socrates' })
        , ( plato:Philosopher     {name:'Plato', uri: 'http://dbpedia.org/resource/Plato' })
        , ( aristotle:Philosopher { name: 'Aristotle' , uri: 'http://dbpedia.org/resource/Aristotle' })
        , ( ancient_era:Era       { name: 'Ancient philosophy', uri: 'http://dbpedia.org/resource/Ancient_philosophy' })
        , ( platonism_school:School { name: 'Platonism', uri: 'http://dbpedia.org/resource/Platonism' })
        , ( peripatetic_school:School { name: 'Peripatetic school', uri: 'http://dbpedia.org/resource/Peripatetic_school' })
        , ( ancient_greek_school:School { name: 'Ancient Greek philosophy', uri: 'http://dbpedia.org/resource/Ancient_Greek_philosophy' })
        , ( philo_tradition:SchoolType { name: 'Philosophical traditions', uri: 'http://dbpedia.org/class/yago/PhilosophicalTraditions' })
        , ( philo_movement:SchoolType { name: 'Philosophical movements', uri: 'http://dbpedia.org/class/yago/PhilosophicalMovements' })
        , ( philo_ancient_school:SchoolType { name: 'Ancient philosophical schools and traditions', uri: 'http://dbpedia.org/class/yago/AncientPhilosophicalSchoolsAndTraditions' })
        , ( tradition:SchoolType { name: 'tradition', uri: 'http://dbpedia.org/class/yago/Tradition105809745' })
        , ( movement:SchoolType { name: 'movement', uri: 'http://dbpedia.org/class/yago/Motion100331950' })
        , ( school:SchoolType { name: 'school', uri: 'http://dbpedia.org/class/yago/School108276720' })
        , ( content:SchoolType { name: 'content', uri: 'http://dbpedia.org/class/yago/Content105809192' })
        , ( knowledge:SchoolType { name: 'knowledge', uri: 'http://dbpedia.org/class/yago/Cognition100023271' })
        , ( change:SchoolType { name: 'change', uri: 'http://dbpedia.org/class/yago/Change100191142' })
        , socrates-[:INFLUENCES]->plato
        , socrates-[:INFLUENCES]->aristotle
        , plato-[:INFLUENCES]->aristotle
        , socrates-[:MEMBER_OF]->ancient_greek_school
        , plato-[:MEMBER_OF]->platonism_school
        , aristotle-[:MEMBER_OF]->peripatetic_school
        , socrates-[:MEMBER_OF]->ancient_era
        , plato-[:MEMBER_OF]->ancient_era
        , aristotle-[:MEMBER_OF]->ancient_era
        , platonism_school-[:TYPE_OF]->philo_tradition
        , platonism_school-[:TYPE_OF]->philo_movement
        , peripatetic_school-[:TYPE_OF]->philo_movement
        , peripatetic_school-[:TYPE_OF]->philo_ancient_school
        , philo_ancient_school-[:SUBCLASS_OF]->school
        , philo_movement-[:SUBCLASS_OF]->movement
        , philo_tradition-[:SUBCLASS_OF]->tradition
        , tradition-[:SUBCLASS_OF]->content
        , content-[:SUBCLASS_OF]->knowledge
        , movement-[:SUBCLASS_OF]->change
----

query to collect all Relationship Types from Philosopher Nodes to SchoolType nodes
[source,cypher]
----
       MATCH p=(a:Philosopher)-[*]->(b:SchoolType)
       RETURN DISTINCT EXTRACT( r in RELATIONSHIPS(p)| type(r) ) as RelationshipTypes  
----
//table