Make Interactive Cypher implementations more explicit: add 'Message' node labels where applicable

Author: szarnyasg

cypher/queries/interactive-complex-3.cypher

@@ -1,12 +1,12 @@
-MATCH (person:Person {id:$personId})-[:KNOWS*1..2]-(friend:Person)<-[:HAS_CREATOR]-(messageX),
+MATCH (person:Person {id:$personId})-[:KNOWS*1..2]-(friend:Person)<-[:HAS_CREATOR]-(messageX:Message),
 (messageX)-[:IS_LOCATED_IN]->(countryX:Place)
 WHERE
   not(person=friend)
   AND not((friend)-[:IS_LOCATED_IN]->()-[:IS_PART_OF]->(countryX))
   AND countryX.name=$countryXName AND messageX.creationDate>=$startDate
   AND messageX.creationDate<$endDate
 WITH friend, count(DISTINCT messageX) AS xCount
-MATCH (friend)<-[:HAS_CREATOR]-(messageY)-[:IS_LOCATED_IN]->(countryY:Place)
+MATCH (friend)<-[:HAS_CREATOR]-(messageY:Message)-[:IS_LOCATED_IN]->(countryY:Place)
 WHERE
   countryY.name=$countryYName
   AND not((friend)-[:IS_LOCATED_IN]->()-[:IS_PART_OF]->(countryY))

cypher/queries/interactive-complex-7.cypher

@@ -1,4 +1,4 @@
-MATCH (person:Person {id:$personId})<-[:HAS_CREATOR]-(message)<-[like:LIKES]-(liker:Person)
+MATCH (person:Person {id:$personId})<-[:HAS_CREATOR]-(message:Message)<-[like:LIKES]-(liker:Person)
 WITH liker, message, like.creationDate AS likeTime, person
 ORDER BY likeTime DESC, toInteger(message.id) ASC
 WITH

cypher/queries/interactive-complex-8.cypher

@@ -1,5 +1,5 @@
 MATCH
-  (start:Person {id:$personId})<-[:HAS_CREATOR]-()<-[:REPLY_OF]-(comment:Comment)-[:HAS_CREATOR]->(person:Person)
+  (start:Person {id:$personId})<-[:HAS_CREATOR]-(:Message)<-[:REPLY_OF]-(comment:Comment)-[:HAS_CREATOR]->(person:Person)
 RETURN
   person.id AS personId,
   person.firstName AS personFirstName,

cypher/queries/interactive-complex-9.cypher

@@ -1,4 +1,4 @@
-MATCH (:Person {id:$personId})-[:KNOWS*1..2]-(friend:Person)<-[:HAS_CREATOR]-(message)
+MATCH (:Person {id:$personId})-[:KNOWS*1..2]-(friend:Person)<-[:HAS_CREATOR]-(message:Message)
 WHERE message.creationDate < $maxDate
 RETURN DISTINCT
   friend.id AS personId,

cypher/queries/interactive-short-2.cypher

@@ -1,4 +1,4 @@
-MATCH (:Person {id:$personId})<-[:HAS_CREATOR]-(m)-[:REPLY_OF*0..]->(p:Post)
+MATCH (:Person {id:$personId})<-[:HAS_CREATOR]-(m:Message)-[:REPLY_OF*0..]->(p:Post)
 MATCH (p)-[:HAS_CREATOR]->(c)
 RETURN
   m.id as messageId,