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ql/src/java/org/apache/hadoop/hive/ql/parse/HiveParser.g <https://reviews.apache.org/r/28797/#comment113834> Could set be ever null? if it is then there can be only single select statement right? if so won't it be covered by selectStatement? - John Pullokkaran On Jan. 19, 2015, 9:59 p.m., pengcheng xiong wrote: > > ----------------------------------------------------------- > This is an automatically generated e-mail. To reply, visit: > https://reviews.apache.org/r/28797/ > ----------------------------------------------------------- > > (Updated Jan. 19, 2015, 9:59 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 43c2d56 > > 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 5ff9552 > 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 6204de4 > 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 0610337 > 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 > >
