Package

org.apache.spark.sql.execution.datasources

jdbc

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package jdbc

Visibility
  1. Public
  2. All

Type Members

  1. class DriverWrapper extends Driver

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    A wrapper for a JDBC Driver to work around SPARK-6913.

    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.

  2. class JDBCOptions extends Serializable

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    Options for the JDBC data source.

  3. case class JDBCPartition(whereClause: String, idx: Int) extends Partition with Product with Serializable

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    Data corresponding to one partition of a JDBCRDD.

  4. class JdbcRelationProvider extends CreatableRelationProvider with RelationProvider with DataSourceRegister

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Value Members

  1. object DriverRegistry extends internal.Logging

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

    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.

  2. object JDBCOptions extends Serializable

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  3. object JDBCRDD extends internal.Logging with Serializable

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  4. object JDBCRelationUtil

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    This object is used to get an optimized JDBC RDD, which uses pooled connections.

  5. object JdbcUtils extends internal.Logging

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    Util functions for JDBC tables.

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