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Posted to issues@flink.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2019/04/28 14:08:00 UTC
[jira] [Updated] (FLINK-12269) Support Temporal Table Join in blink
planner
[ https://issues.apache.org/jira/browse/FLINK-12269?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ASF GitHub Bot updated FLINK-12269:
-----------------------------------
Labels: pull-request-available (was: )
> Support Temporal Table Join in blink planner
> --------------------------------------------
>
> Key: FLINK-12269
> URL: https://issues.apache.org/jira/browse/FLINK-12269
> Project: Flink
> Issue Type: New Feature
> Components: Table SQL / Planner
> Reporter: Jark Wu
> Assignee: Jark Wu
> Priority: Major
> Labels: pull-request-available
>
> Support translate following "FOR SYSTEM_TIME AS OF" query into {{StreamExecTemporalTableJoin}}.
> {code:sql}
> SELECT
> o.amout, o.currency, r.rate, o.amount * r.rate
> FROM
> Orders AS o
> JOIN LatestRates FOR SYSTEM_TIME AS OF o.proctime AS r
> ON r.currency = o.currency
> {code}
> This is an extension to current temporal join (FLINK-9738) using a standard syntax introduced in Calcite 1.19.
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