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https://issues.apache.org/jira/browse/SPARK-39217?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17655889#comment-17655889
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Apache Spark commented on SPARK-39217:
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User 'wankunde' has created a pull request for this issue:
https://github.com/apache/spark/pull/39460
> Makes DPP support the pruning side has Union
> --------------------------------------------
>
> Key: SPARK-39217
> URL: https://issues.apache.org/jira/browse/SPARK-39217
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.4.0
> Reporter: Yuming Wang
> Priority: Major
>
> Support the following case:
> {noformat}
> SELECT f.store_id,
> f.date_id,
> s.state_province
> FROM (SELECT 4 AS store_id,
> date_id,
> product_id
> FROM fact_sk
> WHERE date_id >= 1300
> UNION ALL
> SELECT store_id,
> date_id,
> product_id
> FROM fact_stats
> WHERE date_id <= 1000) f
> JOIN dim_store s
> ON f.store_id = s.store_id
> WHERE s.country IN ('US', 'NL')
> {noformat}
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