Adam Tamas has uploaded a new patch set (#5). ( http://gerrit.cloudera.org:8080/16370 )
Change subject: IMPALA-10108: Implement ds_kll_stringify function ...................................................................... IMPALA-10108: Implement ds_kll_stringify function This function receives a string that is a serialized Apache DataSketches KLL sketch and returns its stringified format. A stringified format should look like and contains the following data: select ds_kll_stringify(ds_kll_sketch(float_col)) from functional_parquet.alltypestiny; +--------------------------------------------+ | ds_kll_stringify(ds_kll_sketch(float_col)) | +--------------------------------------------+ | ### KLL sketch summary: | | K : 200 | | min K : 200 | | M : 8 | | N : 8 | | Epsilon : 1.33% | | Epsilon PMF : 1.65% | | Empty : false | | Estimation mode: false | | Levels : 1 | | Sorted : false | | Capacity items : 200 | | Retained items : 8 | | Storage bytes : 64 | | Min value : 0 | | Max value : 1.1 | | ### End sketch summary | | | +--------------------------------------------+ Change-Id: I97f654a4838bf91e3e0bed6a00d78b2c7aa96f75 --- 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-kll.test 4 files changed, 59 insertions(+), 1 deletion(-) git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/70/16370/5 -- To view, visit http://gerrit.cloudera.org:8080/16370 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-Project: Impala-ASF Gerrit-Branch: master Gerrit-MessageType: newpatchset Gerrit-Change-Id: I97f654a4838bf91e3e0bed6a00d78b2c7aa96f75 Gerrit-Change-Number: 16370 Gerrit-PatchSet: 5 Gerrit-Owner: Adam Tamas <[email protected]> Gerrit-Reviewer: Adam Tamas <[email protected]> Gerrit-Reviewer: Gabor Kaszab <[email protected]> Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
