[ https://issues.apache.org/jira/browse/IMPALA-10835?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17391081#comment-17391081 ]
Fucun Chu commented on IMPALA-10835: ------------------------------------ Perf comparison doc: https://docs.google.com/spreadsheets/d/1Vr67cm7ALxOmgaZeo5hMIfvbIGG0ALPILb5rcHqeAGA/edit?usp=sharing > Extend the ds_hll_sketch() function to accept a precision > --------------------------------------------------------- > > Key: IMPALA-10835 > URL: https://issues.apache.org/jira/browse/IMPALA-10835 > Project: IMPALA > Issue Type: Improvement > Components: Backend > Reporter: Fucun Chu > Assignee: Fucun Chu > Priority: Major > > Like [IMPALA-2658|https://issues.apache.org/jira/browse/IMPALA-2658], an > optional parameter is added to solve the limitation of the precision of the > ds_hll_sketch function. > {code:java} > DS_HLL_SKETCH(expression [, precision]) > {code} > The precision value must be between 4 and 21. The default is 12. -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-all-unsubscr...@impala.apache.org For additional commands, e-mail: issues-all-h...@impala.apache.org