from node 1500: receive[18]: UPDATE mytest100.test5 SET column4 = 875, column5 = 420, column6 = 59.08 WHERE ((column2 < '2017-12-28 03:40:58') AND column3 < 863) OR column3 > 635; from node : 1714474289.78306 to 1714474289.78732 received:mysql_store_result() failed:Unknown column 'column2' in 'where clause' from node 1000: receive[9]: update mytest100.test5 set column5 = mytest100.test5.column4; from node : 1714474289.79819 to 1714474289.81910 received:Query executed successfully, but no result set was returned. from node 0: receive[7]: select subq_0.c0 as c0, subq_0.c0 as c1, subq_0.c0 as c2, subq_0.c0 as c3 from (select ref_1.column5 as c0 from mytest100.test9 as ref_0 right join mytest100.test2 as ref_1 on (ref_1.column4 is NULL) where EXISTS ( select ref_0.column1 as c0, ref_1.column7 as c1, (select columns from ndbinfo.index_columns limit 1 offset 2) as c2 from mytest100.test0 as ref_2 left join mytest100.test4 as ref_3 on (ref_2.column5 is not NULL) right join mytest100.test4 as ref_4 on ((false) or (EXISTS ( select ref_3.column5 as c0, ref_0.column1 as c1 from mytest100.test6 as ref_5 where ref_4.column4 is NULL limit 129))) where true limit 72) limit 122) as subq_0 where subq_0.c0 is not NULL limit 50; from node : 1714474289.81946 to 1714474379.82689 received:Time_Out!!! fail!!! error!!!.