[ https://issues.apache.org/jira/browse/HIVE-13190?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Gopal V updated HIVE-13190: --------------------------- Description: 100x more rows are produced from dummy tables. {code} hive> select count(1) from (select * from (Select 1 a) x order by x.a) y; 100 Time taken: 0.913 seconds, Fetched: 1 row(s) hive> {code} simpler example. {code} hive> create temporary table dual as select 1; Table default.dual stats: [numFiles=1, numRows=100, totalSize=200, rawDataSize=100] OK Time taken: 1.482 seconds {code} was: 100x more rows are produced from dummy tables. {code} hive> select count(1) from (select * from (Select 1 a) x order by x.a) y; 100 Time taken: 0.913 seconds, Fetched: 1 row(s) hive> {code} > Vectorization: Dummy table row-limits get multiplied 100x accidentally > ---------------------------------------------------------------------- > > Key: HIVE-13190 > URL: https://issues.apache.org/jira/browse/HIVE-13190 > Project: Hive > Issue Type: Bug > Components: Vectorization > Affects Versions: 2.1.0 > Reporter: Gopal V > Assignee: Matt McCline > > 100x more rows are produced from dummy tables. > {code} > hive> select count(1) from (select * from (Select 1 a) x order by x.a) y; > 100 > Time taken: 0.913 seconds, Fetched: 1 row(s) > hive> > {code} > simpler example. > {code} > hive> create temporary table dual as select 1; > Table default.dual stats: [numFiles=1, numRows=100, totalSize=200, > rawDataSize=100] > OK > Time taken: 1.482 seconds > {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332)