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Posted to issues@spark.apache.org by "BingKun Pan (Jira)" <ji...@apache.org> on 2022/09/21 03:45:00 UTC
[jira] [Updated] (SPARK-40501) Enhance 'SpecialLimits' to support project(..., limit(...))
[ https://issues.apache.org/jira/browse/SPARK-40501?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
BingKun Pan updated SPARK-40501:
--------------------------------
Summary: Enhance 'SpecialLimits' to support project(..., limit(...)) (was: Add PushProjectionThroughLimit for Optimizer)
> Enhance 'SpecialLimits' to support project(..., limit(...))
> -----------------------------------------------------------
>
> Key: SPARK-40501
> URL: https://issues.apache.org/jira/browse/SPARK-40501
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.4.0
> Reporter: BingKun Pan
> Priority: Minor
>
> h4. It took a long time to fetch out, still running after 20 minutes...
> when run as follow code in spark-shell:
> spark.sql("select * from xxx where event_day = '20220919' limit 1").show()
> [!https://user-images.githubusercontent.com/15246973/191211875-c29c3bae-1339-414b-84bc-2195545b8c35.png|width=557!|https://user-images.githubusercontent.com/15246973/191211875-c29c3bae-1339-414b-84bc-2195545b8c35.png]
> [!https://user-images.githubusercontent.com/15246973/191212244-22108810-dd66-46bd-bea7-a7dab70a1a06.png|width=1419!|https://user-images.githubusercontent.com/15246973/191212244-22108810-dd66-46bd-bea7-a7dab70a1a06.png]
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