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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/665/
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Review request for hive.
Summary
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alter table concatenate fails and deletes data
It is because the number of reducers is set to -1.
In this patch, it is set to zero.
Also added a move task as the child task of the merge task. added a conf to
control whether to check index or not, and add the job name for the merge job.
This addresses bug HIVE-2125.
https://issues.apache.org/jira/browse/HIVE-2125
Diffs
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trunk/common/src/java/org/apache/hadoop/hive/conf/HiveConf.java 1096599
trunk/conf/hive-default.xml 1096599
trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/DDLTask.java 1096599
trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/Task.java 1096599
trunk/ql/src/java/org/apache/hadoop/hive/ql/io/rcfile/merge/BlockMergeTask.java
1096599
trunk/ql/src/java/org/apache/hadoop/hive/ql/parse/DDLSemanticAnalyzer.java
1096599
trunk/ql/src/test/queries/clientnegative/alter_merge_index.q PRE-CREATION
trunk/ql/src/test/queries/clientpositive/alter_merge_index.q PRE-CREATION
trunk/ql/src/test/results/clientnegative/alter_merge_index.q.out PRE-CREATION
trunk/ql/src/test/results/clientpositive/alter_merge_index.q.out PRE-CREATION
Diff: https://reviews.apache.org/r/665/diff
Testing
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Thanks,
Yongqiang
