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https://issues.apache.org/jira/browse/HIVE-11785?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aihua Xu updated HIVE-11785:
----------------------------
Summary: Support escaping carriage return and new line (was: Carriage
return and new line are processed differently when hive.fetch.task.conversion
is set to none)
> Support escaping carriage return and new line
> ---------------------------------------------
>
> Key: HIVE-11785
> URL: https://issues.apache.org/jira/browse/HIVE-11785
> Project: Hive
> Issue Type: Bug
> Components: Query Processor
> Affects Versions: 2.0.0
> Reporter: Aihua Xu
> Assignee: Aihua Xu
> Attachments: test.parquet
>
>
> Create the table and perform the queries as follows. You will see different
> results when the setting changes. Seems both present incorrect results.
> The expected result should be:
> {noformat}
> 1 newline
> here
> 2 carriage return
> 3 both
> here
> {noformat}
> {noformat}
> hive> create table repo (lvalue int, charstring string) stored as parquet;
> OK
> Time taken: 0.34 seconds
> hive> load data inpath '/tmp/repo/test.parquet' overwrite into table repo;
> Loading data to table default.repo
> chgrp: changing ownership of
> 'hdfs://nameservice1/user/hive/warehouse/repo/test.parquet': User does not
> belong to hive
> Table default.repo stats: [numFiles=1, numRows=0, totalSize=610,
> rawDataSize=0]
> OK
> Time taken: 0.732 seconds
> hive> set hive.fetch.task.conversion=more;
> hive> select * from repo;
> OK
> 1 newline
> here
> here carriage return
> 3 both
> here
> Time taken: 0.253 seconds, Fetched: 3 row(s)
> hive> set hive.fetch.task.conversion=none;
> hive> select * from repo;
> Query ID = root_20150909113535_e081db8b-ccd9-4c44-aad9-d990ffb8edf3
> Total jobs = 1
> Launching Job 1 out of 1
> Number of reduce tasks is set to 0 since there's no reduce operator
> Starting Job = job_1441752031022_0006, Tracking URL =
> http://host-10-17-81-63.coe.cloudera.com:8088/proxy/application_1441752031022_0006/
> Kill Command =
> /opt/cloudera/parcels/CDH-5.4.5-1.cdh5.4.5.p0.7/lib/hadoop/bin/hadoop job
> -kill job_1441752031022_0006
> Hadoop job information for Stage-1: number of mappers: 1; number of reducers: > 0
> 2015-09-09 11:35:54,127 Stage-1 map = 0%, reduce = 0%
> 2015-09-09 11:36:04,664 Stage-1 map = 100%, reduce = 0%, Cumulative CPU 2.98
> sec
> MapReduce Total cumulative CPU time: 2 seconds 980 msec
> Ended Job = job_1441752031022_0006
> MapReduce Jobs Launched:
> Stage-Stage-1: Map: 1 Cumulative CPU: 2.98 sec HDFS Read: 4251 HDFS
> Write: 51 SUCCESS
> Total MapReduce CPU Time Spent: 2 seconds 980 msec
> OK
> 1 newline
> NULL NULL
> 2 carriage return
> NULL NULL
> 3 both
> NULL NULL
> Time taken: 25.131 seconds, Fetched: 6 row(s)
> hive>
> {noformat}
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