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Fixed a copy paste errors and filtered out all edges with form (x,x)

Before, there were edges in this form (x,x) included but they shouldn't be included.
Nilan 12 年之前
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当前提交
8d0fccde3a
共有 1 个文件被更改,包括 2 次插入1 次删除
  1. 2 1
      documents/musterloesung-db-2012-09-24/d2c2.sql

+ 2 - 1
documents/musterloesung-db-2012-09-24/d2c2.sql

@@ -4,9 +4,10 @@ FROM (
 ) f1
 JOIN ON
 (
-    SELECT personni FROM FriendshipSymmetric WHERE person1 = <id>
+    SELECT person2 FROM FriendshipSymmetric WHERE person1 = <id>
 ) f2
 EXCEPT
 (
     SELECT * FROM FriendshipSymmetric
 )
+WHERE f1.person2 != f2.person2