[
https://issues.apache.org/jira/browse/HIVE-24224?focusedWorklogId=493912&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-493912
]
ASF GitHub Bot logged work on HIVE-24224:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 02/Oct/20 11:31
Start Date: 02/Oct/20 11:31
Worklog Time Spent: 10m
Work Description: pgaref opened a new pull request #1546:
URL: https://github.com/apache/hive/pull/1546
Change-Id: I918a2eff0197e7d92db1f1858f3402b874d3b10a
### What changes were proposed in this pull request?
Fix header/footer skipping for compressed files -- bug discovered for Hive
on Tez
### Why are the changes needed?
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### Does this PR introduce _any_ user-facing change?
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### How was this patch tested?
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Issue Time Tracking
-------------------
Worklog Id: (was: 493912)
Remaining Estimate: 0h
Time Spent: 10m
> Fix skipping header/footer for Hive on Tez on compressed files
> --------------------------------------------------------------
>
> Key: HIVE-24224
> URL: https://issues.apache.org/jira/browse/HIVE-24224
> Project: Hive
> Issue Type: Bug
> Reporter: Panagiotis Garefalakis
> Assignee: Panagiotis Garefalakis
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Compressed file with Hive on Tez returns header and footers - for both
> select * and select count ( * ):
> {noformat}
> printf "offset,id,other\n9,\"20200315 X00 1356\",123\n17,\"20200315 X00
> 1357\",123\nrst,rst,rst" > data.csv
> hdfs dfs -put -f data.csv /apps/hive/warehouse/bz2test/bz2tbl1/
> bzip2 -f data.csv
> hdfs dfs -put -f data.csv.bz2 /apps/hive/warehouse/bz2test/bz2tbl2/
> beeline -e "CREATE EXTERNAL TABLE default.bz2tst2 (
> sequence int,
> id string,
> other string)
> ROW FORMAT SERDE 'org.apache.hadoop.hive.serde2.OpenCSVSerde'
> LOCATION '/apps/hive/warehouse/bz2test/bz2tbl2'
> TBLPROPERTIES (
> 'skip.header.line.count'='1',
> 'skip.footer.line.count'='1');"
> beeline -e "
> SET hive.fetch.task.conversion = none;
> SELECT * FROM default.bz2tst2;"
> +-------------------+--------------------+----------------+
> | bz2tst2.sequence | bz2tst2.id | bz2tst2.other |
> +-------------------+--------------------+----------------+
> | offset | id | other |
> | 9 | 20200315 X00 1356 | 123 |
> | 17 | 20200315 X00 1357 | 123 |
> | rst | rst | rst |
> +-------------------+--------------------+----------------+
> {noformat}
> PS: HIVE-22769 addressed the issue for Hive on LLAP.
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