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Posted to issues@spark.apache.org by "Peter Toth (JIRA)" <ji...@apache.org> on 2019/08/14 12:35:00 UTC
[jira] [Updated] (SPARK-28731) Support limit on recursive queries
[ https://issues.apache.org/jira/browse/SPARK-28731?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Peter Toth updated SPARK-28731:
-------------------------------
Description: Recursive queries should support LIMIT and stop recursion if the required amount of rows are reached. (was: PostgreSQL does support recursive view syntax:
{noformat}
CREATE RECURSIVE VIEW nums (n) AS
VALUES (1)
UNION ALL
SELECT n+1 FROM nums WHERE n < 5
{noformat})
> Support limit on recursive queries
> ----------------------------------
>
> Key: SPARK-28731
> URL: https://issues.apache.org/jira/browse/SPARK-28731
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: Peter Toth
> Priority: Minor
>
> Recursive queries should support LIMIT and stop recursion if the required amount of rows are reached.
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