Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/15868#discussion_r88836683
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/jdbc/JDBCOptions.scala
---
@@ -122,6 +122,11 @@ class JDBCOptions(
case "REPEATABLE_READ" => Connection.TRANSACTION_REPEATABLE_READ
case "SERIALIZABLE" => Connection.TRANSACTION_SERIALIZABLE
}
+ // the maximum number of connections
+ val maxConnections = parameters.get(JDBC_MAX_CONNECTIONS)
--- End diff --
`parameters.get(JDBC_MAX_CONNECTIONS).map(_.toInt)`, then we don't need to
call `toInt` everytime we need to use this option.
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