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[HIVE-1622] Use CombineHiveInputFormat for the merge job if hive.merge.mapredfiles=true - Hive - [issue]
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...Currently map-only merge (using CombineHiveInputFormat) is only enabled for merging files generated by mappers. It should be used for files generated at readers as well....
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http://issues.apache.org/jira/browse/HIVE-1622
Author: Ning Zhang,
2011-12-16, 23:59
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[HIVE-1711] CREATE TABLE LIKE should not set stats in the new table - Hive - [issue]
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...CREATE TABLE T LIKE S; will copy every parameters from T to S. It should not copy table level stats....
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http://issues.apache.org/jira/browse/HIVE-1711
Author: Ning Zhang,
2011-12-16, 23:59
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[HIVE-1699] incorrect partition pruning ANALYZE TABLE - Hive - [issue]
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...If table T is partitioned, ANALYZE TABLE T PARTITION (...) COMPUTE STATISTICS; will gather stats for all partitions even though partition spec only chooses a subset....
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http://issues.apache.org/jira/browse/HIVE-1699
Author: Ning Zhang,
2011-12-16, 23:59
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[HIVE-1598] use SequenceFile rather than TextFile format for hive query results - Hive - [issue]
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...Hive query's result is written to a temporary directory first and then FetchTask takes the files and display it to the users. Currently the file format used for the resulting file is TextFil...
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http://issues.apache.org/jira/browse/HIVE-1598
Author: Ning Zhang,
2011-12-16, 23:59
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[HIVE-1670] MapJoin throws EOFExeption when the mapjoined table has 0 column selected - Hive - [issue]
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...select /*+mapjoin(b) */ sum(a.key) from src a join src b on (a.key=b.key); throws EOFException...
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http://issues.apache.org/jira/browse/HIVE-1670
Author: Ning Zhang,
2011-12-16, 23:59
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[HIVE-1655] Adding consistency check at jobClose() when committing dynamic partitions - Hive - [issue]
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...In case of dynamic partition insert, FileSinkOperator generated a directory for a new partition and the files in the directory is named with '_tmp*'. When a task succeed, the file is renamed...
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http://issues.apache.org/jira/browse/HIVE-1655
Author: Ning Zhang,
2011-12-16, 23:59
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[HIVE-1912] Double escaping special chars when removing old partitions in rmr - Hive - [issue]
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...If a partition column value contains special characters such as ':', it will be escaped to '%3A' in the partition path. However in FsShell.rmr(oldPath.toUri().toString()), toUri() will doubl...
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http://issues.apache.org/jira/browse/HIVE-1912
Author: Ning Zhang,
2011-12-16, 23:59
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[HIVE-1614] UDTF json_tuple should return null row when input is not a valid JSON string - Hive - [issue]
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...If the input column is not a valid JSON string, json_tuple will not return anything but this will prevent the downstream operators to access the left-hand side table. We should output a NULL...
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http://issues.apache.org/jira/browse/HIVE-1614
Author: Ning Zhang,
2011-12-16, 23:59
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[HIVE-1917] CTAS (create-table-as-select) throws exception when showing results - Hive - [issue]
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...CTAS throws an exception in CliDriver when showing results at the end of a query. CTAS should not show results because it is not a 'select' query or 'desc'/explain etc. It should be the same...
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http://issues.apache.org/jira/browse/HIVE-1917
Author: Ning Zhang,
2011-12-16, 23:59
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[HIVE-1855] Include Process ID in the log4j log file name - Hive - [issue]
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...Hive client side always log into /tmp/${user.name}/hive.log. If there are multipel CLI running on the same host, logging could be stopped or if it is not it's difficult to distinguish messag...
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http://issues.apache.org/jira/browse/HIVE-1855
Author: Ning Zhang,
2011-12-16, 23:59
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