Fucun Chu has uploaded this change for review. ( http://gerrit.cloudera.org:8080/17153
Change subject: IMPALA-10558: Implement ds_theta_exclude() function ...................................................................... IMPALA-10558: Implement ds_theta_exclude() function This function receives two strings that are serialized Apache DataSketches Theta sketches. Computes the a-not-b set operation given two sketches of same or different column. Example: select ds_theta_estimate(ds_theta_exclude(sketch1, sketch2)) from sketch_tbl; +-------------------------------------------------------+ | ds_theta_estimate(ds_theta_exclude(sketch1, sketch2)) | +-------------------------------------------------------+ | 5 | +-------------------------------------------------------+ Change-Id: I05119fd8c652c07ff248a99e44b0da3541e46ca3 --- M be/src/exprs/datasketches-functions-ir.cc M be/src/exprs/datasketches-functions.h M common/function-registry/impala_functions.py M testdata/workloads/functional-query/queries/QueryTest/datasketches-theta.test 4 files changed, 125 insertions(+), 0 deletions(-) git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/53/17153/2 -- To view, visit http://gerrit.cloudera.org:8080/17153 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-Project: Impala-ASF Gerrit-Branch: master Gerrit-MessageType: newchange Gerrit-Change-Id: I05119fd8c652c07ff248a99e44b0da3541e46ca3 Gerrit-Change-Number: 17153 Gerrit-PatchSet: 2 Gerrit-Owner: Fucun Chu <[email protected]>
