Namit Jain created HIVE-3451:
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Summary: map-reduce jobs does not work for a partition containing
sub-directories
Key: HIVE-3451
URL: https://issues.apache.org/jira/browse/HIVE-3451
Project: Hive
Issue Type: Bug
Components: Query Processor
Reporter: Namit Jain
Consider the following test:
-- The test verifies that sub-directories are supported for versions of hadoop
-- where MAPREDUCE-1501 is fixed. So, enable this test only for hadoop 23.
-- INCLUDE_HADOOP_MAJOR_VERSIONS(0.23)
CREATE TABLE fact_daily(x int) PARTITIONED BY (ds STRING);
CREATE TABLE fact_tz(x int) PARTITIONED BY (ds STRING, hr STRING)
LOCATION 'pfile:${system:test.tmp.dir}/fact_tz';
INSERT OVERWRITE TABLE fact_tz PARTITION (ds='1', hr='1')
SELECT key+11 FROM src WHERE key=484;
ALTER TABLE fact_daily SET TBLPROPERTIES('EXTERNAL'='TRUE');
ALTER TABLE fact_daily ADD PARTITION (ds='1')
LOCATION 'pfile:${system:test.tmp.dir}/fact_tz/ds=1';
set mapred.input.dir.recursive=true;
SELECT * FROM fact_daily WHERE ds='1';
SELECT count(1) FROM fact_daily WHERE ds='1';
Say, the above file was named: recursive_dir.q
and we ran the test for hadoop 23:
by executing:
ant test -Dhadoop.mr.rev=23 -Dtest.print.classpath=true
-Dhadoop.version=2.0.0-alpha -Dhadoop.security.version=2.0.0-alpha
-Dtestcase=TestCliDriver -Dqfile=recursive_dir.q
The select * from the table works fine, but the last command does not work
since it requires a map-reduce job.
This will prevent other features which are creating sub-directories to add
any tests which requires a map-reduce job. The work-around is to issue
queries which do not require map-reduce jobs.
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