kiszk commented on a change in pull request #28953:
URL: https://github.com/apache/spark/pull/28953#discussion_r448094031
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/jdbc/JDBCRDD.scala
##########
@@ -156,9 +157,16 @@ object JDBCRDD extends Logging {
val url = options.url
val dialect = JdbcDialects.get(url)
val quotedColumns = requiredColumns.map(colName =>
dialect.quoteIdentifier(colName))
+
+ val conn = JdbcUtils.createConnectionFactory(options)
+ options.preActions match {
+ case Some(i) =>
+ runQuery(conn(), i, options)
Review comment:
Sure. Now, they are fine.
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