jiaan.geng created SPARK-36574:
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Summary: pushDownPredicate failed to prevent push filters down to
the data source.
Key: SPARK-36574
URL: https://issues.apache.org/jira/browse/SPARK-36574
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 3.2.0
Reporter: jiaan.geng
Spark SQL also includes a data source that can read data from other databases
using JDBC.
Spark also supports the case-insensitive option pushDownPredicate.
According to http://spark.apache.org/docs/latest/sql-data-sources-jdbc.html, If
set pushDownPredicate to false, no filter will be pushed down to the JDBC data
source and thus all filters will be handled by Spark.
But I find it still be pushed down to data scoure.
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