Fucun Chu has uploaded this change for review. ( http://gerrit.cloudera.org:8080/16711
Change subject: IMPALA-10134: Implement ds_hll_union_f() function. ...................................................................... IMPALA-10134: Implement ds_hll_union_f() function. This function receives two string that is a serialized Apache DataSketches HLL sketch. Union two sketches and returns the resulting sketch of union. Example: select ds_hll_estimate(ds_hll_union_f(i_i, h_i)) from hll_sketches_impala_hive2; +-------------------------------------------+ | ds_hll_estimate(ds_hll_union_f(i_i, h_i)) | +-------------------------------------------+ | 7 | +-------------------------------------------+ Change-Id: Ic06e959ed956af5cedbfc7d4d063141d5babb2a8 --- 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-hll.test 4 files changed, 105 insertions(+), 1 deletion(-) git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/11/16711/3 -- To view, visit http://gerrit.cloudera.org:8080/16711 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-Project: Impala-ASF Gerrit-Branch: master Gerrit-MessageType: newchange Gerrit-Change-Id: Ic06e959ed956af5cedbfc7d4d063141d5babb2a8 Gerrit-Change-Number: 16711 Gerrit-PatchSet: 3 Gerrit-Owner: Fucun Chu <[email protected]> Gerrit-Reviewer: Gabor Kaszab <[email protected]> Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
