Maxim Gekk created SPARK-25425:
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Summary: Extra options must overwrite sessions options
Key: SPARK-25425
URL: https://issues.apache.org/jira/browse/SPARK-25425
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 2.3.1
Reporter: Maxim Gekk
In load() and save() methods of DataSource V2, extra options are overwritten by
session options:
*
https://github.com/apache/spark/blob/c9cb393dc414ae98093c1541d09fa3c8663ce276/sql/core/src/main/scala/org/apache/spark/sql/DataFrameWriter.scala#L244-L245
*
https://github.com/apache/spark/blob/c9cb393dc414ae98093c1541d09fa3c8663ce276/sql/core/src/main/scala/org/apache/spark/sql/DataFrameReader.scala#L205
but implementation must be opposite - more specific extra options set via
*.option(...)* must overwrite more common session options
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