Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/18724#discussion_r130266625
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/jdbc/JDBCOptions.scala
---
@@ -135,6 +135,8 @@ class JDBCOptions(
case "REPEATABLE_READ" => Connection.TRANSACTION_REPEATABLE_READ
case "SERIALIZABLE" => Connection.TRANSACTION_SERIALIZABLE
}
+ // An option to execute custom SQL before fetching data from the remote
DB
+ val sessionInitStatement =
parameters.getOrElse(JDBC_SESSION_INIT_STATEMENT, "")
--- End diff --
Please use `parameters.get`
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