pranav.lo...@cloudera.com has uploaded a new patch set (#27). ( http://gerrit.cloudera.org:8080/18413 )
Change subject: IMPALA-11205: Implement Statistical functions: CORR(), COVAR_SAMP() and COVAR_POP() ...................................................................... IMPALA-11205: Implement Statistical functions: CORR(), COVAR_SAMP() and COVAR_POP() CORR() function takes two numeric type columns as arguments and returns the Pearson's correlation coefficient between them. COVAR_SAMP() function takes two numeric type columns and returns sample covariance between them. COVAR_POP() function takes two numeric type columns and returns population covariance between them. These UDAFs are tested with a few query tests written in aggregation.test. Change-Id: I32ad627c953ba24d9cde2d5549bdd0d27a9c0d06 --- M be/src/exprs/aggregate-functions-ir.cc M be/src/exprs/aggregate-functions.h M fe/src/main/java/org/apache/impala/catalog/BuiltinsDb.java M testdata/workloads/functional-query/queries/QueryTest/aggregation.test 4 files changed, 1,074 insertions(+), 0 deletions(-) git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/13/18413/27 -- To view, visit http://gerrit.cloudera.org:8080/18413 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-Project: Impala-ASF Gerrit-Branch: master Gerrit-MessageType: newpatchset Gerrit-Change-Id: I32ad627c953ba24d9cde2d5549bdd0d27a9c0d06 Gerrit-Change-Number: 18413 Gerrit-PatchSet: 27 Gerrit-Owner: Anonymous Coward <pranav.lo...@cloudera.com> Gerrit-Reviewer: Anonymous Coward <pranav.lo...@cloudera.com> Gerrit-Reviewer: Gergely Fürnstáhl <gfurnst...@cloudera.com> Gerrit-Reviewer: Impala Public Jenkins <impala-public-jenk...@cloudera.com> Gerrit-Reviewer: Jian Zhang <zjsar...@gmail.com> Gerrit-Reviewer: Kurt Deschler <kdesc...@cloudera.com> Gerrit-Reviewer: Quanlong Huang <huangquanl...@gmail.com>
