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Mafish commented on HIVE-1202: ------------------------------ Which trunk are you using? I'm using release 0.4.1, which is checkoed out from http://svn.apache.org/repos/asf/hadoop/hive/branches/branch-0.4 $ svn info Path: . URL: http://svn.apache.org/repos/asf/hadoop/hive/branches/branch-0.4 Repository Root: http://svn.apache.org/repos/asf Repository UUID: 13f79535-47bb-0310-9956-ffa450edef68 Revision: 916543 Node Kind: directory Schedule: normal Last Changed Author: nzhang Last Changed Rev: 912061 Last Changed Date: 2010-02-20 09:44:44 +0800 (Sat, 20 Feb 2010) > "Unknown exception : null" while join > ------------------------------------- > > Key: HIVE-1202 > URL: https://issues.apache.org/jira/browse/HIVE-1202 > Project: Hadoop Hive > Issue Type: Bug > Components: Query Processor > Affects Versions: 0.4.1 > Environment: hive-0.4.1 > hadoop 0.19.1 > Reporter: Mafish > Fix For: 0.4.1 > > Attachments: HIVE-1202.branch-0.4.1.patch > > > Hive throws "Unknown exception : null" with query: > select * from > ( > select name from classes > ) a > join classes b > where a.name > b.number > After tracing the code, I found this bug will occur with following > conditions: > 1. It is join operation. > 2. At least one of the source of join is physical table (right side in > above case). > 3. With where condition and condition(s) of where clause must include > columns from both side of join (a.name and b.number in case) -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.