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(Updated Feb. 27, 2015, 6:45 p.m.) Review request for hive. Changes ------- patch V4, addressed most recent comments. Repository: hive-git Description ------- This is used to track work to build Oracle like months_between. Here's semantics: MONTHS_BETWEEN returns number of months between dates date1 and date2. If date1 is later than date2, then the result is positive. If date1 is earlier than date2, then the result is negative. If date1 and date2 are either the same days of the month or both last days of months, then the result is always an integer. Otherwise Oracle Database calculates the fractional portion of the result based on a 31-day month and considers the difference in time components date1 and date2. https://issues.apache.org/jira/browse/HIVE-9518 Diffs (updated) ----- ql/src/java/org/apache/hadoop/hive/ql/exec/FunctionRegistry.java bfeb33c ql/src/java/org/apache/hadoop/hive/ql/udf/generic/GenericUDFDateDiff.java 403cf11 ql/src/java/org/apache/hadoop/hive/ql/udf/generic/GenericUDFDateDiffBase.java PRE-CREATION ql/src/java/org/apache/hadoop/hive/ql/udf/generic/GenericUDFMonthsBetween.java PRE-CREATION ql/src/test/org/apache/hadoop/hive/ql/udf/TestGenericUDFMonthsBetween.java PRE-CREATION ql/src/test/queries/clientnegative/udf_datediff_error1.q PRE-CREATION ql/src/test/queries/clientnegative/udf_datediff_error2.q PRE-CREATION ql/src/test/queries/clientnegative/udf_months_between_error1.q PRE-CREATION ql/src/test/queries/clientnegative/udf_months_between_error2.q PRE-CREATION ql/src/test/queries/clientpositive/udf_datediff.q 30718fe ql/src/test/queries/clientpositive/udf_months_between.q PRE-CREATION ql/src/test/results/clientnegative/udf_datediff_error1.q.out PRE-CREATION ql/src/test/results/clientnegative/udf_datediff_error2.q.out PRE-CREATION ql/src/test/results/clientnegative/udf_months_between_error1.q.out PRE-CREATION ql/src/test/results/clientnegative/udf_months_between_error2.q.out PRE-CREATION ql/src/test/results/clientpositive/show_functions.q.out d4b0650 ql/src/test/results/clientpositive/show_functions.q.out.orig d79106f ql/src/test/results/clientpositive/udf_datediff.q.out 86f30f6 ql/src/test/results/clientpositive/udf_months_between.q.out PRE-CREATION Diff: https://reviews.apache.org/r/30437/diff/ Testing ------- SEE ALSO ql/src/test/TestGenericUDFMonthsBetween.java Thanks, XIAOBING ZHOU
