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[HIVE-2456] JDBCStatsAggregator DELETE STATEMENT should escape _ and % - Hive - [issue]
...JDBCStatsAggregator first aggregates stats from all publishers, and then delete these intermediate results. The delete is using LIKE operator, so it needs to escape '_' and '%'....
http://issues.apache.org/jira/browse/HIVE-2456    Author: Ning Zhang, 2011-12-16, 23:57
[HIVE-2192] Stats table schema incompatible after HIVE-2185 - Hive - [issue]
...HIVE-2185 introduced a new column in the intermediate stats table. This introduces incompatibility between old and new branches (multiple branches could be deployed in production): the old b...
http://issues.apache.org/jira/browse/HIVE-2192    Author: Ning Zhang, 2011-12-16, 23:57
[HIVE-2145] NPE during parsing order-by expression - Hive - [issue]
...The following query throws NPE, where it should have throw parsing exception. hive> select key, count(1) cnt from src group by key order by count(1) limit 10;select key, count(1) cnt from...
http://issues.apache.org/jira/browse/HIVE-2145    Author: Ning Zhang, 2011-12-16, 23:56
[HIVE-2569] Too much debugging info on console if a job failed - Hive - [issue]
...When a job failed and Hive client tries to get the error message from failed task, it printed the following info on console for each task:Examining task ID: task_201110112120_773499_m_000037...
http://issues.apache.org/jira/browse/HIVE-2569    Author: Ning Zhang, 2011-12-16, 23:56
[HIVE-2519] Dynamic partition insert should enforce the order of the partition spec is the same as the one in schema - Hive - [issue]
...Suppose the table schema is (a string, b string) partitioned by (p1 string, p2 string), a dynamic partition insert is allowed to:insert overwrite ... partition (p2="...", p1);which will crea...
http://issues.apache.org/jira/browse/HIVE-2519    Author: Ning Zhang, 2011-12-16, 23:56
[HIVE-1980] Merging using mapreduce rather than map-only job failed in case of dynamic partition inserts - Hive - [issue]
...In dynamic partition insert and if merge is set to true and hive.mergejob.maponly=false, the merge MapReduce job will fail....
http://issues.apache.org/jira/browse/HIVE-1980    Author: Ning Zhang, 2011-12-16, 23:56
[HIVE-2556] upgrade script 008-HIVE-2246.mysql.sql contains syntax errors - Hive - [issue]
...source <script_name> gives syntax errors....
http://issues.apache.org/jira/browse/HIVE-2556    Author: Ning Zhang, 2011-12-16, 23:56
[HIVE-2028] Performance instruments for client side execution - Hive - [issue]
...Hive client side execution could sometimes takes a long time. This task is to instrument the client side code to measure the time spent in the most likely expensive components....
http://issues.apache.org/jira/browse/HIVE-2028    Author: Ning Zhang, 2011-12-16, 23:56
[HIVE-2082] Reduce memory consumption in preparing MapReduce job - Hive - [issue]
...Hive client side consume a lot of memory when the number of input partitions is large. One reason is that each partition maintains a list of FieldSchema which are intended to deal with schem...
http://issues.apache.org/jira/browse/HIVE-2082    Author: Ning Zhang, 2011-12-16, 23:56
[HIVE-2000] adding comments to Hive Stats JDBC queries - Hive - [issue]
...Stats gathering could issue a large number of JDBC queries to stats publisher and aggregator. In a shared DB environment, it's hard to tell which SQL statements are contributed by Hive stats...
http://issues.apache.org/jira/browse/HIVE-2000    Author: Ning Zhang, 2011-12-16, 23:56
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