Revert Q13

Author: GLaDAP

mssql/queries/interactive-complex-13.sql

@@ -1,14 +1,13 @@
-SELECT levels
-     , PersonId
-     , Friends
-  FROM (SELECT Person1.personId AS PersonId
-             , STRING_AGG(Person2.personId, ';') WITHIN GROUP (GRAPH PATH) AS Friends
-             , LAST_VALUE(Person2.personId) WITHIN GROUP (GRAPH PATH) AS LastNode
-             , COUNT(Person2.personId) WITHIN GROUP (GRAPH PATH) AS levels
-	      FROM Person AS Person1
-             , Person_knows_Person FOR PATH AS fo
-             , Person FOR PATH AS Person2
-	     WHERE MATCH(SHORTEST_PATH(Person1(-(fo)->Person2)+))
-	       AND Person1.personId = :person1Id
-     ) AS Q
- WHERE Q.LastNode = :person2Id
+DECLARE @trustedPaths as table
+(
+    Id bigint,
+    OrderDiscovered int,
+    Path varchar(MAX)
+)
+
+INSERT INTO @trustedPaths
+EXEC dbo.knows_Breadth_First :person1Id, :person2Id;
+
+SELECT TOP(1) OrderDiscovered, Id, Path
+  FROM @trustedPaths
+  ORDER BY OrderDiscovered ASC;