[ https://issues.apache.org/jira/browse/BEAM-2612?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16085347#comment-16085347 ]
Kai Jiang edited comment on BEAM-2612 at 7/13/17 8:17 AM: ---------------------------------------------------------- cc [~mingmxu] After this ticket, I can work on STDDEV_POP, STDDEV_SAMP, COVAR_POP, COVAR_SAMP was (Author: vectorijk): After this ticket, I can work on STDDEV_POP, STDDEV_SAMP, COVAR_POP, COVAR_SAMP > support variance builtin aggregation function > --------------------------------------------- > > Key: BEAM-2612 > URL: https://issues.apache.org/jira/browse/BEAM-2612 > Project: Beam > Issue Type: New Feature > Components: dsl-sql > Reporter: Kai Jiang > Assignee: Kai Jiang > > two builtin aggregate functions > VAR_POP > the population variance (square of the population standard deviation) > VAR_SAMP > the sample variance (square of the sample standard deviation) > https://calcite.apache.org/docs/reference.html#aggregate-functions -- This message was sent by Atlassian JIRA (v6.4.14#64029)