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https://issues.apache.org/jira/browse/PIG-2339?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Daniel Dai updated PIG-2339:
----------------------------
Resolution: Fixed
Fix Version/s: (was: 0.9.1)
0.11
0.9.2
0.10
Status: Resolved (was: Patch Available)
All tests pass. test-patch:
[exec] -1 overall.
[exec]
[exec] +1 @author. The patch does not contain any @author tags.
[exec]
[exec] +1 tests included. The patch appears to include 3 new or
modified tests.
[exec]
[exec] +1 javadoc. The javadoc tool did not generate any warning
messages.
[exec]
[exec] +1 javac. The applied patch does not increase the total number
of javac compiler warnings.
[exec]
[exec] +1 findbugs. The patch does not introduce any new Findbugs
warnings.
[exec]
[exec] -1 release audit. The applied patch generated 468 release
audit warnings (more than the trunk's current 461 warnings).
No new file added. Ignore release audit warning.
Patch committed to 0.9 branch, 0.10 branch and trunk.
> HCatLoader loads all the partitions in a partitioned table even though a
> filter clause on the partitions is specified in the Pig script
> ---------------------------------------------------------------------------------------------------------------------------------------
>
> Key: PIG-2339
> URL: https://issues.apache.org/jira/browse/PIG-2339
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.9.0
> Reporter: Viraj Bhat
> Assignee: Daniel Dai
> Fix For: 0.10, 0.9.2, 0.11
>
> Attachments: PIG-2339-1.patch, PIG-2339-2.patch
>
>
> A table created by HCAT has the following partitions;
> hcat -e "show partitions paritionedtable"
> {quote}
> grid=AB/dt=2011_07_01
> grid=AB/dt=2011_07_02
> grid=AB/dt=2011_07_03
> grid=XY/dt=2011_07_01
> grid=XY/dt=2011_07_02
> grid=XY/dt=2011_07_03
> grid=XY/dt=2011_07_04
> ...
> {quote}
> The total number of partitions in the table is around 3200.
> A Pig script of this nature tries to access this data using the partitions in
> it's filter.
> {script}
> A = LOAD 'paritionedtable' USING org.apache.hcatalog.pig.HCatLoader();
> B = FILTER A BY grid=='AB' AND dt=='2011_07_04';
> C = LIMIT B 10;
> store C into 'HCAT' using PigStorage();
> {script}
> This script, fails to run as the job.xml generated by Pig is so large (8MB),
> that the Hadoop Fred's limitation does not allow it to submit the job.
> After debugging it was found that in the HCatTableInfo class the function
> gets a null filter value. getInputTableInfo(filter=null ..)
> I suspect that "setPartitionFilter" function in Pig does not pass the filter
> correctly to the HCatLoader. This is happening with both Pig 0.9 and 0.8
> Viraj
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