Object

org.apache.spark.sql.execution.datasources.jdbc

DriverRegistry

Related Doc: package jdbc

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object DriverRegistry extends Logging

java.sql.DriverManager is always loaded by bootstrap classloader, so it can't load JDBC drivers accessible by Spark ClassLoader.

To solve the problem, drivers from user-supplied jars are wrapped into thin wrapper.

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  16. def log: Logger

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  17. def logDebug(msg: ⇒ String, throwable: Throwable): Unit

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  18. def logDebug(msg: ⇒ String): Unit

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  31. def register(className: String): Unit

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