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chenglei edited comment on PHOENIX-3689 at 2/24/17 10:27 AM: ------------------------------------------------------------- Thank your for adding DDL,but it seems that the sql given before can not match the DDL, may be it is better that you give us a complete test case,just like the PHOENIX-3578 does,thanks. was (Author: comnetwork): Thank your for adding DDL,but it seems that the sql given before can not match the DDL, may be you had better give us a complete test case,just like the PHOENIX-3578 does,thanks. > Not determinist order by with limit > ----------------------------------- > > Key: PHOENIX-3689 > URL: https://issues.apache.org/jira/browse/PHOENIX-3689 > Project: Phoenix > Issue Type: Bug > Affects Versions: 4.7.0 > Reporter: Arthur > > The following request does not return the last value of myTable: > select * from myTable order by myKey desc limit 1; > Adding a 'group by myKey' clause gets back the good result. > I noticed that an order by with 'limit 10' returns a merge of 10 results from > each region and not 10 results of the whole request. > So 'order by' is not determinist. It is a bug or a feature ? > Here is my DDL: > CREATE TABLE TT (dt timestamp NOT NULL, message bigint NOT NULL, id > varchar(20) NOT NULL, version varchar CONSTRAINT PK PRIMARY KEY (dt, message, > id)); > And some data with a dynamic column (I have 2 millions of similar rows sorted > by time) : > UPSERT INTO TT (dt, message, id, version, seg varchar) VALUES ('2013-12-03 > 03:31:00.3730',91,'00000000000000000000','POUR','S_052303'); > UPSERT INTO TT (dt, message, id, version, seg varchar) VALUES ('2013-12-03 > 03:31:00.7170',91,'00000000000000000001','PO','S_052303'); > UPSERT INTO TT (dt, message, id, version, seg varchar) VALUES ('2013-12-03 > 03:31:01.9030',91,'00000000000000000002','POUR','S_052303'); > UPSERT INTO TT (dt, message, id, version, seg varchar) VALUES ('2013-12-03 > 03:31:02.7330',91,'00000000000000000003','POUR','S_052303'); > UPSERT INTO TT (dt, message, id, version, seg varchar) VALUES ('2013-12-03 > 03:31:03.5470',91,'00000000000000000004','POUR','S_052303'); > UPSERT INTO TT (dt, message, id, version, seg varchar) VALUES ('2013-12-03 > 03:31:04.7330',91,'00000000000000000005','POUR','S_052305'); -- This message was sent by Atlassian JIRA (v6.3.15#6346)