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Re: Multiple insert statement and levels of aggregation - Hive - [mail # user]
...In the multi-insert statement, you cannot put another FROM clause. What you  can do is to put both UDTF in the FROM clause:  FROM foo lateral view someUDTF(foo.a) as t1_a lateral v...
   Author: Ning Zhang, 2010-10-15, 18:17
Re: Help with last 30 day unique user query - Hive - [mail # user]
...Sorry I don't understand your question. I thought you were referring to the  lack of DATE type in Hive. HiveQL has the similar syntax with SQL like cou nt(distinct col). Your regular SQ...
   Author: Ning Zhang, 2010-10-15, 17:18
[HIVE-1669] non-deterministic display of storage parameter in test - Hive - [issue]
...With the change to beautify the 'desc extended table', the storage parameters are displayed in non-deterministic manner (since its implementation is HashMap)....
http://issues.apache.org/jira/browse/HIVE-1669    Author: Ning Zhang, 2010-10-13, 04:29
Re: Runtime exception while running Hive - Hive - [mail # user]
...Yes, Hive 0.5 is compatible with Hadoop 0.20.0. It is also compatible to pr evious versions to 0.17.2.1+, but Hadoop 0.20 is recommended since it is mo re stable and supports more functional...
   Author: Ning Zhang, 2010-10-05, 20:54
Re: wrong number of records loaded to a table is returned by Hive - Hive - [mail # user]
...Ping, this is a known issue. The number reported at the end of INSERT OVERW RITE is obtained by means of Hadoop counters, which is not very reliable an d subject to inaccuracy due to failed ...
   Author: Ning Zhang, 2010-10-01, 17:45
Re: dynamic partition query dies with LeaseExpiredException - Hive - [mail # user]
...Hi Dave,  There may be 2 issues here:  1) according to the HDFS JIRA it seems to be a bug introduced in Hadoop 0. 18 and was fixed by another hadoop JIRA in 0.20.2 suggested by Hai...
   Author: Ning Zhang, 2010-10-01, 16:24
Re: Create table as select fails with error "Error in metadata: org.apache.thrift.TApplicationException" - Hive - [mail # user]
...If your success rate is increased by increasing hive.metastore.connect.retr ies, mostly likely your Thrift server is too busy to get connected. Can you  check your /tmp//hive.log in you...
   Author: Ning Zhang, 2010-10-01, 06:54
Re: Json serde path issue - Hive - [mail # user]
...jsonserde was added by Amazone EMR and has not been open sourced to Apache  yet as far as I know. I don't know if EMR folks are on this list, but you h ave a better chance of getting an...
   Author: Ning Zhang, 2010-09-30, 17:15
Re: compiling hive trunk - Hive - [mail # user]
...datanecleus was upgraded recently. Can you try 'ant clean package'.  Ning  On Sep 30, 2010, at 9:43 AM, Ted Yu wrote:  DataNucleus.Enhancer). rly. anucleus.store.rdbms" is alr...
   Author: Ning Zhang, 2010-09-30, 17:11
Re: Regression in trunk? (RE: Insert overwrite error using hive trunk) - Hive - [mail # user]
...It's mostly like because of missing patches for CombineFileInputFormat from  Hadoop. Can you try what Amareshwari suggested (adding HIVE-5759 patch) or  try hadoop 0.20.2 (which co...
   Author: Ning Zhang, 2010-09-28, 20:43
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