> On March 2, 2017, 4:57 a.m., Carl Steinbach wrote: > > ql/src/java/org/apache/hadoop/hive/ql/parse/HiveLexer.g > > Line 2 (original), 2 (patched) > > <https://reviews.apache.org/r/53845/diff/7/?file=1634262#file1634262line2> > > > > Please make whitespace fixes in a separate patch. Including them here > > pollutes the diff and draws the attention of reviewers away from the > > important parts. I saw the same problem in several other files as well.
Added new patch after fixing whitespaces. > On March 2, 2017, 4:57 a.m., Carl Steinbach wrote: > > ql/src/java/org/apache/hadoop/hive/ql/udf/generic/GenericUDFLikeAll.java > > Lines 51 (patched) > > <https://reviews.apache.org/r/53845/diff/7/?file=1634266#file1634266line51> > > > > Please change to "Returns NULL if the expression on the left hand side > > is NULL or if one of the patterns in the list is NULL." Added this message. - Simanchal ----------------------------------------------------------- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/53845/#review167648 ----------------------------------------------------------- On Feb. 15, 2017, 6:47 a.m., Simanchal Das wrote: > > ----------------------------------------------------------- > This is an automatically generated e-mail. To reply, visit: > https://reviews.apache.org/r/53845/ > ----------------------------------------------------------- > > (Updated Feb. 15, 2017, 6:47 a.m.) > > > Review request for hive, Carl Steinbach and Vineet Garg. > > > Repository: hive-git > > > Description > ------- > > https://issues.apache.org/jira/browse/HIVE-15229 > > > In Teradata 'like any' and 'like all' operators are mostly used when we are > matching a text field with numbers of patterns. > 'like any' and 'like all' operator are equivalents of multiple like operator > like example below. > --like any > select col1 from table1 where col2 like any ('%accountant%', '%accounting%', > '%retail%', '%bank%', '%insurance%'); > > --Can be written using multiple like condition > select col1 from table1 where col2 like '%accountant%' or col2 like > '%accounting%' or col2 like '%retail%' or col2 like '%bank%' or col2 like > '%insurance%' ; > > --like all > select col1 from table1 where col2 like all ('%accountant%', '%accounting%', > '%retail%', '%bank%', '%insurance%'); > > --Can be written using multiple like operator > select col1 from table1 where col2 like '%accountant%' and col2 like > '%accounting%' and col2 like '%retail%' and col2 like '%bank%' and col2 like > '%insurance%' ; > > Problem statement: > > Now a days so many data warehouse projects are being migrated from Teradata > to Hive. > Always Data engineer and Business analyst are searching for these two > operator. > If we introduce these two operator in hive then so many scripts will be > migrated smoothly instead of converting these operators to multiple like > operators. > > > Diffs > ----- > > ql/src/java/org/apache/hadoop/hive/ql/exec/FunctionRegistry.java 0f05160 > ql/src/java/org/apache/hadoop/hive/ql/parse/HiveLexer.g f80642b > ql/src/java/org/apache/hadoop/hive/ql/parse/HiveParser.g eb81393 > ql/src/java/org/apache/hadoop/hive/ql/parse/IdentifiersParser.g 81efadc > ql/src/java/org/apache/hadoop/hive/ql/parse/TypeCheckProcFactory.java > f979c14 > ql/src/java/org/apache/hadoop/hive/ql/udf/generic/GenericUDFLikeAll.java > PRE-CREATION > ql/src/java/org/apache/hadoop/hive/ql/udf/generic/GenericUDFLikeAny.java > PRE-CREATION > > ql/src/test/org/apache/hadoop/hive/ql/udf/generic/TestGenericUDFLikeAll.java > PRE-CREATION > > ql/src/test/org/apache/hadoop/hive/ql/udf/generic/TestGenericUDFLikeAny.java > PRE-CREATION > ql/src/test/queries/clientnegative/udf_likeall_wrong1.q PRE-CREATION > ql/src/test/queries/clientnegative/udf_likeany_wrong1.q PRE-CREATION > ql/src/test/queries/clientpositive/udf_likeall.q PRE-CREATION > ql/src/test/queries/clientpositive/udf_likeany.q PRE-CREATION > ql/src/test/results/clientnegative/udf_likeall_wrong1.q.out PRE-CREATION > ql/src/test/results/clientnegative/udf_likeany_wrong1.q.out PRE-CREATION > ql/src/test/results/clientpositive/show_functions.q.out 3c9bb4a > ql/src/test/results/clientpositive/udf_likeall.q.out PRE-CREATION > ql/src/test/results/clientpositive/udf_likeany.q.out PRE-CREATION > > > Diff: https://reviews.apache.org/r/53845/diff/7/ > > > Testing > ------- > > Junit test cases and query.q files are attached > > > Thanks, > > Simanchal Das > >
