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https://issues.apache.org/jira/browse/SPARK-34444?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-34444:
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Assignee: Apache Spark
> Pushdown scalar-subquery filter to FileSourceScan
> -------------------------------------------------
>
> Key: SPARK-34444
> URL: https://issues.apache.org/jira/browse/SPARK-34444
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.2.0
> Reporter: Yuming Wang
> Assignee: Apache Spark
> Priority: Major
>
> We can pushdown {{a < (select max(d) from t2)}} to FileSourceScan:
> {code:scala}
> sql("CREATE TABLE t1 using parquet AS SELECT id AS a, id AS b FROM
> range(500000000L)")
> sql("CREATE TABLE t2 using parquet AS SELECT id AS d FROM range(20)")
> sql("SELECT * FROM t1 WHERE b = (select max(d) from t2)").show
> {code}
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