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From "Mostafa Mokhtar (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-10331) ORC : Is null SARG filters out all row groups written in old ORC format
Date Fri, 17 Apr 2015 19:42:59 GMT

    [ https://issues.apache.org/jira/browse/HIVE-10331?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14500531#comment-14500531
] 

Mostafa Mokhtar commented on HIVE-10331:
----------------------------------------

[~prasanth_j]
These failures are unrelated 
{code}
TestMinimrCliDriver-bucketmapjoin6.q-constprog_partitioner.q-infer_bucket_sort_dyn_part.q-and-1-more
- did not produce a TEST-*.xml file
TestMinimrCliDriver-external_table_with_space_in_location_path.q-infer_bucket_sort_merge.q-auto_sortmerge_join_16.q-and-1-more
- did not produce a TEST-*.xml file
TestMinimrCliDriver-groupby2.q-import_exported_table.q-bucketizedhiveinputformat.q-and-1-more
- did not produce a TEST-*.xml file
TestMinimrCliDriver-index_bitmap3.q-stats_counter_partitioned.q-temp_table_external.q-and-1-more
- did not produce a TEST-*.xml file
TestMinimrCliDriver-infer_bucket_sort_map_operators.q-join1.q-bucketmapjoin7.q-and-1-more
- did not produce a TEST-*.xml file
TestMinimrCliDriver-infer_bucket_sort_num_buckets.q-disable_merge_for_bucketing.q-uber_reduce.q-and-1-more
- did not produce a TEST-*.xml file
TestMinimrCliDriver-infer_bucket_sort_reducers_power_two.q-scriptfile1.q-scriptfile1_win.q-and-1-more
- did not produce a TEST-*.xml file
TestMinimrCliDriver-leftsemijoin_mr.q-load_hdfs_file_with_space_in_the_name.q-root_dir_external_table.q-and-1-more
- did not produce a TEST-*.xml file
TestMinimrCliDriver-list_bucket_dml_10.q-bucket_num_reducers.q-bucket6.q-and-1-more - did
not produce a TEST-*.xml file
TestMinimrCliDriver-load_fs2.q-file_with_header_footer.q-ql_rewrite_gbtoidx_cbo_1.q-and-1-more
- did not produce a TEST-*.xml file
TestMinimrCliDriver-parallel_orderby.q-reduce_deduplicate.q-ql_rewrite_gbtoidx_cbo_2.q-and-1-more
- did not produce a TEST-*.xml file
TestMinimrCliDriver-ql_rewrite_gbtoidx.q-smb_mapjoin_8.q - did not produce a TEST-*.xml file
TestMinimrCliDriver-schemeAuthority2.q-bucket4.q-input16_cc.q-and-1-more - did not produce
a TEST-*.xml file
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union_view
{code}

> ORC : Is null SARG filters out all row groups written in old ORC format
> -----------------------------------------------------------------------
>
>                 Key: HIVE-10331
>                 URL: https://issues.apache.org/jira/browse/HIVE-10331
>             Project: Hive
>          Issue Type: Bug
>          Components: Hive
>    Affects Versions: 1.1.0
>            Reporter: Mostafa Mokhtar
>            Assignee: Mostafa Mokhtar
>             Fix For: 1.2.0
>
>         Attachments: HIVE-10331.01.patch, HIVE-10331.02.patch, HIVE-10331.03.patch, HIVE-10331.03.patch,
HIVE-10331.04.patch, HIVE-10331.05.patch
>
>
> Queries are returning wrong results as all row groups gets filtered out and no rows get
scanned.
> {code}
> SELECT 
>   count(*)
>     FROM
>         store_sales
>     WHERE
>         ss_addr_sk IS NULL
> {code}
> With hive.optimize.index.filter disabled we get the correct results
> In pickRowGroups stats show that hasNull_ is fales, while the rowgroup actually has null.
> Same query runs fine for newly loaded ORC tables.



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