org.apache.spark.sql.jdbc

AggregatedDialect

class AggregatedDialect extends JdbcDialect

:: DeveloperApi :: AggregatedDialect can unify multiple dialects into one virtual Dialect. Dialects are tried in order, and the first dialect that does not return a neutral element will will.

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@DeveloperApi()
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JdbcDialect, AnyRef, Any
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Instance Constructors

  1. new AggregatedDialect(dialects: List[JdbcDialect])

    dialects

    List of dialects.

Value Members

  1. final def !=(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef
  2. final def !=(arg0: Any): Boolean

    Definition Classes
    Any
  3. final def ##(): Int

    Definition Classes
    AnyRef → Any
  4. final def ==(arg0: AnyRef): Boolean

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    AnyRef
  5. final def ==(arg0: Any): Boolean

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  6. final def asInstanceOf[T0]: T0

    Definition Classes
    Any
  7. def canHandle(url: String): Boolean

    Check if this dialect instance can handle a certain jdbc url.

    Check if this dialect instance can handle a certain jdbc url.

    url

    the jdbc url.

    returns

    True if the dialect can be applied on the given jdbc url.

    Definition Classes
    AggregatedDialectJdbcDialect
    Exceptions thrown
    NullPointerException

    if the url is null.

  8. def clone(): AnyRef

    Attributes
    protected[java.lang]
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    @throws( ... )
  9. final def eq(arg0: AnyRef): Boolean

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    AnyRef
  10. def equals(arg0: Any): Boolean

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  11. def finalize(): Unit

    Attributes
    protected[java.lang]
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    @throws( classOf[java.lang.Throwable] )
  12. def getCatalystType(sqlType: Int, typeName: String, size: Int, md: MetadataBuilder): Option[DataType]

    Get the custom datatype mapping for the given jdbc meta information.

    Get the custom datatype mapping for the given jdbc meta information.

    sqlType

    The sql type (see java.sql.Types)

    typeName

    The sql type name (e.g. "BIGINT UNSIGNED")

    size

    The size of the type.

    md

    Result metadata associated with this type.

    returns

    The actual DataType (subclasses of org.apache.spark.sql.types.DataType) or null if the default type mapping should be used.

    Definition Classes
    AggregatedDialectJdbcDialect
  13. final def getClass(): Class[_]

    Definition Classes
    AnyRef → Any
  14. def getJDBCType(dt: DataType): Option[JdbcType]

    Retrieve the jdbc / sql type for a given datatype.

    Retrieve the jdbc / sql type for a given datatype.

    dt

    The datatype (e.g. org.apache.spark.sql.types.StringType)

    returns

    The new JdbcType if there is an override for this DataType

    Definition Classes
    AggregatedDialectJdbcDialect
  15. def hashCode(): Int

    Definition Classes
    AnyRef → Any
  16. final def isInstanceOf[T0]: Boolean

    Definition Classes
    Any
  17. final def ne(arg0: AnyRef): Boolean

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    AnyRef
  18. final def notify(): Unit

    Definition Classes
    AnyRef
  19. final def notifyAll(): Unit

    Definition Classes
    AnyRef
  20. def quoteIdentifier(colName: String): String

    Quotes the identifier.

    Quotes the identifier. This is used to put quotes around the identifier in case the column name is a reserved keyword, or in case it contains characters that require quotes (e.g. space).

    Definition Classes
    JdbcDialect
  21. final def synchronized[T0](arg0: ⇒ T0): T0

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  22. def toString(): String

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  23. final def wait(): Unit

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    @throws( ... )
  24. final def wait(arg0: Long, arg1: Int): Unit

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    @throws( ... )
  25. final def wait(arg0: Long): Unit

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Inherited from JdbcDialect

Inherited from AnyRef

Inherited from Any

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