Kai Jiang created BEAM-2612:
-------------------------------
Summary: 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: Xu Mingmin
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)
