[ https://issues.apache.org/jira/browse/BEAM-912?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Kenneth Knowles updated BEAM-912: --------------------------------- Assignee: Frances Perry (was: Kenneth Knowles) > Range join in Beam > ------------------ > > Key: BEAM-912 > URL: https://issues.apache.org/jira/browse/BEAM-912 > Project: Beam > Issue Type: New Feature > Components: beam-model > Reporter: Jingsong Lee > Assignee: Frances Perry > Attachments: betweenJoin.png > > > 1.We can support some data-driven trigger, so we need expose data in > OnElementContext of onElement method. > 2.We can support more flexible join, so we need expose buffer tag in > TriggerContext, now this buffer tag is in SystemReduceFn. > for example: SELECT STREAM * FROM Orders AS o JOIN Shipments AS s > ON o.orderId = s.orderId AND s.rowtime BETWEEN o.rowtime AND o.rowtime + > INTERVAL '1' HOUR; > link: https://issues.apache.org/jira/browse/BEAM-101 -- This message was sent by Atlassian JIRA (v6.3.4#6332)