You are viewing a plain text version of this content. The canonical link for it is here.
Posted to issues@flink.apache.org by "JING ZHANG (Jira)" <ji...@apache.org> on 2021/09/06 03:14:00 UTC
[jira] [Commented] (FLINK-23748) Testing window TVF session window
[ https://issues.apache.org/jira/browse/FLINK-23748?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17410327#comment-17410327 ]
JING ZHANG commented on FLINK-23748:
------------------------------------
[~liliwei] We have move [FLINK-24024|https://issues.apache.org/jira/browse/FLINK-24024] to 1.15 because Session window TVF syntax need to upgraded to SQL standard. Please see more discussion in [FLINK-24024|https://issues.apache.org/jira/browse/FLINK-24024] . So we don't need to verify this function in Flink 1.14 version. cc [~xtsong]
> Testing window TVF session window
> ---------------------------------
>
> Key: FLINK-23748
> URL: https://issues.apache.org/jira/browse/FLINK-23748
> Project: Flink
> Issue Type: Improvement
> Components: Tests
> Reporter: JING ZHANG
> Assignee: liwei li
> Priority: Blocker
> Labels: pull-request-available, release-testing
> Fix For: 1.14.0
>
>
> Window TVF would support SESSION window in the following case:
> # SESSION Window TVF followed by Window Aggregate.
>
> *Note, SESSION window TVF only works in limited cases currently, the following user cases is not supported yet:*
> # *SESSION WINDOW TVF followed by Window JOIN*
> # *SESSION WINDOW TVF followed by Window RANK***
> *BESIDES, SESSION window Aggregate does not support the following performance improvement yet:*
> 1. Split Distinct Aggregation
> 2. Local-global Aggregation
> 3. Mini-batch Aggregate
--
This message was sent by Atlassian Jira
(v8.3.4#803005)