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[HIVE-1249] MapJoin to Check Number of Files to Match Metadata - Hive - [issue]
...Sorted Map Join only can execute when two tables' bucket numbers are the same.Currently, the checking is done by looking at metadata of the table. However, for some reason, the real physical...
http://issues.apache.org/jira/browse/HIVE-1249    Author: Siying Dong, 2014-03-24, 20:57
...We need a ALTER TABLE TABLE RENAME PARTITIONfunction that is similar t ALTER TABLE RENAME....
http://issues.apache.org/jira/browse/HIVE-2247    Author: Siying Dong, 2013-01-20, 07:43
[HIVE-2249] When creating constant expression for numbers, try to infer type from another comparison operand, instead of trying to use integer first, and then long and double - Hive - [issue]
...The current code to build constant expression for numbers, here is the code:     try {        v = Double.valueOf(expr.getText());     &...
http://issues.apache.org/jira/browse/HIVE-2249    Author: Siying Dong, 2012-12-11, 07:55
[HIVE-2094] CREATE and DROP DATABASE doesn't check user permission for doing it - Hive - [issue]
...We need to make sure only users with system permission to do it....
http://issues.apache.org/jira/browse/HIVE-2094    Author: Siying Dong, 2012-10-04, 17:25
[HIVE-2121] Input Sampling By Splits - Hive - [issue]
...We need a better input sampling to serve at least two purposes:1. test their queries against a smaller data set2. understand more about how the data look like without scanning the whole tabl...
http://issues.apache.org/jira/browse/HIVE-2121    Author: Siying Dong, 2012-06-15, 19:17
[HIVE-2186] Dynamic Partitioning Failing because of characters not supported globStatus - Hive - [issue]
...Some dynamic queries failed on the stage of loading partitions if dynamic partition columns contain special characters. We need to escape all of them....
http://issues.apache.org/jira/browse/HIVE-2186    Author: Siying Dong, 2012-03-09, 01:08
[HIVE-1737] Two Bugs for Estimating Row Sizes in GroupByOperator - Hive - [issue]
...Two bugs:1. if UDAF uses string type, Group-by will break as it tries to insert an ArrayList<Object> to a HashMap<KeyWrapper, AggregationBuffer[]>.2. The code to sample size of k...
http://issues.apache.org/jira/browse/HIVE-1737    Author: Siying Dong, 2011-12-17, 00:01
[HIVE-1462] Reporting progress in FileSinkOperator works in multiple directory case - Hive - [issue]
...HIVE-1403 fixes the issue of timing out issue when closing too many files but it doesn't cover the case that files are under different directories. For the case of dynamic partitioning, it i...
http://issues.apache.org/jira/browse/HIVE-1462    Author: Siying Dong, 2011-12-17, 00:01
[HIVE-1385] UDF field() doesn't work - Hive - [issue]
...I tried it against one of my table:hive> desc r;OKkey intvalue stringa stringhive> select * from r;OK4 val_356 NULL4 val_356 NULL484 val_169 NULL484 val_169 NULL2000 val_169 NULL2000 v...
http://issues.apache.org/jira/browse/HIVE-1385    Author: Siying Dong, 2011-12-16, 23:59
[HIVE-1801] HiveInputFormat or CombineHiveInputFormat always sync blocks of RCFile twice - Hive - [issue]
...HiveInputFormat or CombineHiveInputFormat RCFile.Reader.sync() twice. One in getReader() and one in initIOContext(). We can avoid the latter one by read the sync() position of the former one...
http://issues.apache.org/jira/browse/HIVE-1801    Author: Siying Dong, 2011-12-16, 23:59
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