relation change

odbctest/mql/basic/17cypher/41memdb.mql

@@ -0,0 +1,45 @@
+
+alter class /test/cypher with core=cassandraonly;
+
+update /test/cypher set person_to_master=null where id='cypher:e1'
+/**
+onerror(continue,"not exist")
+**/
+;
+
+select * from /test/cypher
+/**
+output()
+**/
+;
+
+drop edge type test.person_to_master;
+
+select * from /test/cypher
+/**
+output()
+**/
+;
+
+alter class /test/cypher with core=memory;
+
+select * from /test/cypher/**output()**/;
+
+-- wait for memdb load data
+/**
+sleep(1s)
+**/
+;
+
+create edge type test.person_to_master "教师指导研究生"
+;
+
+create ('cypher:e1') - [:person_to_master] -> ('cypher2:e2');
+
+match ('cypher:e1') - [:person_to_master] -> ('cypher2:e2')
+/**
+output()
+match("graph.edges.len",1,"graph.nodes.len",2)
+**/
+;
+