org.apache.spark.sql.execution.datasources.jdbc.DriverWrapper.scala Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.spark.sql.execution.datasources.jdbc
import java.sql.{Connection, Driver, DriverPropertyInfo, SQLFeatureNotSupportedException}
import java.util.Properties
/**
* A wrapper for a JDBC Driver to work around SPARK-6913.
*
* The problem is in `java.sql.DriverManager` class that can't access drivers loaded by
* Spark ClassLoader.
*/
class DriverWrapper(val wrapped: Driver) extends Driver {
override def acceptsURL(url: String): Boolean = wrapped.acceptsURL(url)
override def jdbcCompliant(): Boolean = wrapped.jdbcCompliant()
override def getPropertyInfo(url: String, info: Properties): Array[DriverPropertyInfo] = {
wrapped.getPropertyInfo(url, info)
}
override def getMinorVersion: Int = wrapped.getMinorVersion
def getParentLogger: java.util.logging.Logger = {
throw new SQLFeatureNotSupportedException(
s"${this.getClass.getName}.getParentLogger is not yet implemented.")
}
override def connect(url: String, info: Properties): Connection = wrapped.connect(url, info)
override def getMajorVersion: Int = wrapped.getMajorVersion
}