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From "John Pullokkaran" <jpullokka...@hortonworks.com>
Subject Re: Review Request 28797: Support Union Distinct
Date Mon, 02 Feb 2015 19:47:04 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/28797/#review70610
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Ship it!


Ship It!

- John Pullokkaran


On Jan. 25, 2015, 9:39 p.m., pengcheng xiong wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/28797/
> -----------------------------------------------------------
> 
> (Updated Jan. 25, 2015, 9:39 p.m.)
> 
> 
> Review request for hive and John Pullokkaran.
> 
> 
> Repository: hive-git
> 
> 
> Description
> -------
> 
> Current version (Hive 0.14) does not support union (or union distinct). It only supports
union all. In this patch, we try to add this new feature by rewriting union distinct to union
all followed by group by.
> 
> 
> Diffs
> -----
> 
>   itests/src/test/resources/testconfiguration.properties 860604c 
>   ql/src/java/org/apache/hadoop/hive/ql/optimizer/calcite/translator/ASTConverter.java
95ad9e0 
>   ql/src/java/org/apache/hadoop/hive/ql/parse/HiveParser.g 9c7603c 
>   ql/src/java/org/apache/hadoop/hive/ql/parse/IdentifiersParser.g c960a6b 
>   ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java 4364f28 
>   ql/src/test/queries/clientnegative/unionClusterBy.q PRE-CREATION 
>   ql/src/test/queries/clientnegative/unionDistributeBy.q PRE-CREATION 
>   ql/src/test/queries/clientnegative/unionLimit.q PRE-CREATION 
>   ql/src/test/queries/clientnegative/unionOrderBy.q PRE-CREATION 
>   ql/src/test/queries/clientnegative/unionSortBy.q PRE-CREATION 
>   ql/src/test/queries/clientpositive/cbo_union.q e9508c5 
>   ql/src/test/queries/clientpositive/explode_null.q 76e4535 
>   ql/src/test/queries/clientpositive/input25.q e48368f 
>   ql/src/test/queries/clientpositive/input26.q 642a7db 
>   ql/src/test/queries/clientpositive/load_dyn_part14.q c34c3bf 
>   ql/src/test/queries/clientpositive/metadataOnlyOptimizer.q a26ef1a 
>   ql/src/test/queries/clientpositive/script_env_var1.q 381c5dc 
>   ql/src/test/queries/clientpositive/script_env_var2.q 5f10812 
>   ql/src/test/queries/clientpositive/union3.q d402cb0 
>   ql/src/test/queries/clientpositive/unionDistinct_1.q PRE-CREATION 
>   ql/src/test/queries/clientpositive/unionDistinct_2.q PRE-CREATION 
>   ql/src/test/queries/clientpositive/union_null.q 64e1672 
>   ql/src/test/queries/clientpositive/union_remove_25.q c6c09e1 
>   ql/src/test/queries/clientpositive/union_top_level.q 946473a 
>   ql/src/test/queries/clientpositive/vector_multi_insert.q 77404e9 
>   ql/src/test/results/clientnegative/unionClusterBy.q.out PRE-CREATION 
>   ql/src/test/results/clientnegative/unionDistributeBy.q.out PRE-CREATION 
>   ql/src/test/results/clientnegative/unionLimit.q.out PRE-CREATION 
>   ql/src/test/results/clientnegative/unionOrderBy.q.out PRE-CREATION 
>   ql/src/test/results/clientnegative/unionSortBy.q.out PRE-CREATION 
>   ql/src/test/results/clientpositive/ba_table_union.q.out 706a537 
>   ql/src/test/results/clientpositive/cbo_union.q.out 1fd88ec 
>   ql/src/test/results/clientpositive/char_union1.q.out bdc4a1d 
>   ql/src/test/results/clientpositive/explain_logical.q.out 2e73a89 
>   ql/src/test/results/clientpositive/explode_null.q.out db71c69 
>   ql/src/test/results/clientpositive/groupby_sort_1_23.q.out dd450cb 
>   ql/src/test/results/clientpositive/groupby_sort_skew_1_23.q.out 2f08999 
>   ql/src/test/results/clientpositive/input25.q.out 141a576 
>   ql/src/test/results/clientpositive/input26.q.out 66d3bd2 
>   ql/src/test/results/clientpositive/input_part7.q.out 6094f9c 
>   ql/src/test/results/clientpositive/join34.q.out a20e49f 
>   ql/src/test/results/clientpositive/join35.q.out 937539c 
>   ql/src/test/results/clientpositive/load_dyn_part14.q.out a9dde4d 
>   ql/src/test/results/clientpositive/merge4.q.out 121b724 
>   ql/src/test/results/clientpositive/metadataOnlyOptimizer.q.out 1fcbc0a 
>   ql/src/test/results/clientpositive/optimize_nullscan.q.out 4eb498e 
>   ql/src/test/results/clientpositive/script_env_var1.q.out 8e1075a 
>   ql/src/test/results/clientpositive/script_env_var2.q.out 89f3606 
>   ql/src/test/results/clientpositive/spark/groupby_sort_1_23.q.out 569501f 
>   ql/src/test/results/clientpositive/spark/groupby_sort_skew_1_23.q.out 6e66697 
>   ql/src/test/results/clientpositive/spark/join34.q.out c337093 
>   ql/src/test/results/clientpositive/spark/join35.q.out 2b217c1 
>   ql/src/test/results/clientpositive/spark/load_dyn_part14.q.out 1f9985f 
>   ql/src/test/results/clientpositive/spark/optimize_nullscan.q.out 3a8efcf 
>   ql/src/test/results/clientpositive/spark/script_env_var1.q.out 8e1075a 
>   ql/src/test/results/clientpositive/spark/script_env_var2.q.out 89f3606 
>   ql/src/test/results/clientpositive/spark/union3.q.out 1e79c34 
>   ql/src/test/results/clientpositive/spark/union_null.q.out 4574a2e 
>   ql/src/test/results/clientpositive/spark/union_ppr.q.out 3e1a4b8 
>   ql/src/test/results/clientpositive/spark/union_remove_25.q.out d36a246 
>   ql/src/test/results/clientpositive/tez/cbo_union.q.out 1fd88ec 
>   ql/src/test/results/clientpositive/tez/optimize_nullscan.q.out da456c7 
>   ql/src/test/results/clientpositive/tez/script_env_var1.q.out 8e1075a 
>   ql/src/test/results/clientpositive/tez/script_env_var2.q.out 89f3606 
>   ql/src/test/results/clientpositive/tez/union3.q.out 3dad621 
>   ql/src/test/results/clientpositive/tez/unionDistinct_1.q.out PRE-CREATION 
>   ql/src/test/results/clientpositive/tez/unionDistinct_2.q.out PRE-CREATION 
>   ql/src/test/results/clientpositive/union22.q.out 672fa77 
>   ql/src/test/results/clientpositive/union24.q.out 0657b65 
>   ql/src/test/results/clientpositive/union3.q.out 810d3af 
>   ql/src/test/results/clientpositive/unionDistinct_1.q.out PRE-CREATION 
>   ql/src/test/results/clientpositive/unionDistinct_2.q.out PRE-CREATION 
>   ql/src/test/results/clientpositive/union_null.q.out e2897ff 
>   ql/src/test/results/clientpositive/union_ppr.q.out 26f353b 
>   ql/src/test/results/clientpositive/union_remove_25.q.out 4eae6d2 
>   ql/src/test/results/clientpositive/union_top_level.q.out 72e684c 
>   ql/src/test/results/clientpositive/varchar_union1.q.out ac4e86c 
>   ql/src/test/results/clientpositive/vector_multi_insert.q.out 36ae859 
> 
> Diff: https://reviews.apache.org/r/28797/diff/
> 
> 
> Testing
> -------
> 
> 
> Thanks,
> 
> pengcheng xiong
> 
>


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