Details
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Bug
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Status: Resolved
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Major
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Resolution: Not A Problem
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0.11.0
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None
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Incompatible change
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hive CTAS
Description
hello everyone, recently i came across one hive problem as below:
hive (test)> create table test_09 as
> select a.* from test_01 a
> join test_02 b
> on (a.id=b.id);
Automatically selecting local only mode for query
Total MapReduce jobs = 2
setting HADOOP_USER_NAME hadoop
13/09/09 17:22:36 WARN conf.Configuration: file:/tmp/hadoop/hive_2013-09-09_17-22-34_848_1629553341892012305/-local-10008/jobconf.xml:a attempt to override final parameter: mapred.system.dir; Ignoring.
13/09/09 17:22:36 WARN conf.Configuration: file:/tmp/hadoop/hive_2013-09-09_17-22-34_848_1629553341892012305/-local-10008/jobconf.xml:a attempt to override final parameter: mapred.local.dir; Ignoring.
Execution log at: /tmp/hadoop/.log
2013-09-09 05:22:36 Starting to launch local task to process map join; maximum memory = 932118528
2013-09-09 05:22:37 Processing rows: 4 Hashtable size: 4 Memory usage: 113068056 rate: 0.121
2013-09-09 05:22:37 Dump the hashtable into file: file:/tmp/hadoop/hive_2013-09-09_17-22-34_848_1629553341892012305/-local-10005/HashTable-Stage-6/MapJoin-mapfile90--.hashtable
2013-09-09 05:22:37 Upload 1 File to: file:/tmp/hadoop/hive_2013-09-09_17-22-34_848_1629553341892012305/-local-10005/HashTable-Stage-6/MapJoin-mapfile90--.hashtable File size: 788
2013-09-09 05:22:37 End of local task; Time Taken: 0.444 sec.
Execution completed successfully
Mapred Local Task Succeeded . Convert the Join into MapJoin
Mapred Local Task Succeeded . Convert the Join into MapJoin
Launching Job 1 out of 2
Number of reduce tasks is set to 0 since there's no reduce operator
13/09/09 17:22:38 WARN conf.Configuration: file:/tmp/hadoop/hive_2013-09-09_17-22-34_848_1629553341892012305/-local-10009/jobconf.xml:a attempt to override final parameter: mapred.system.dir; Ignoring.
13/09/09 17:22:38 WARN conf.Configuration: file:/tmp/hadoop/hive_2013-09-09_17-22-34_848_1629553341892012305/-local-10009/jobconf.xml:a attempt to override final parameter: mapred.local.dir; Ignoring.
Execution log at: /tmp/hadoop/.log
Job running in-process (local Hadoop)
Hadoop job information for null: number of mappers: 0; number of reducers: 0
2013-09-09 17:22:41,807 null map = 0%, reduce = 0%
2013-09-09 17:22:44,814 null map = 100%, reduce = 0%
Ended Job = job_local_0001
Execution completed successfully
Mapred Local Task Succeeded . Convert the Join into MapJoin
Stage-7 is filtered out by condition resolver.
OK
Time taken: 13.138 seconds
hive (test)> select * from test_09;
FAILED: SemanticException [Error 10001]: Line 1:14 Table not found 'test_09'
hive (test)>
Problem:
I can't get the created table, namely this CTAS is nonavailable, and this table is not created by this hql sentence at all.who can explain for me.Thanks.