Object

org.apache.spark.sql.catalyst.analysis

EmptyCatalog

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object EmptyCatalog extends Catalog

A trivial catalog that returns an error when a relation is requested. Used for testing when all relations are already filled in and the analyzer needs only to resolve attribute references.

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

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  2. final def ##(): Int

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  3. final def ==(arg0: Any): Boolean

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  4. final def asInstanceOf[T0]: T0

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  5. def checkTableIdentifier(tableIdentifier: Seq[String]): Unit

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    It is not allowed to specifiy database name for tables stored in SimpleCatalog.

    It is not allowed to specifiy database name for tables stored in SimpleCatalog. We use this method to check it.

    Attributes
    protected
    Definition Classes
    Catalog
  6. def clone(): AnyRef

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    protected[java.lang]
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    @throws( ... )
  7. val conf: CatalystConf

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    Definition Classes
    EmptyCatalogCatalog
  8. final def eq(arg0: AnyRef): Boolean

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  9. def equals(arg0: Any): Boolean

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  10. def finalize(): Unit

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    @throws( classOf[java.lang.Throwable] )
  11. final def getClass(): Class[_]

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  12. def getDBTable(tableIdent: Seq[String]): (Option[String], String)

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    Attributes
    protected
    Definition Classes
    Catalog
  13. def getDbTableName(tableIdent: Seq[String]): String

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    Attributes
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    Definition Classes
    Catalog
  14. def getTables(databaseName: Option[String]): Seq[(String, Boolean)]

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    Returns tuples of (tableName, isTemporary) for all tables in the given database.

    Returns tuples of (tableName, isTemporary) for all tables in the given database. isTemporary is a Boolean value indicates if a table is a temporary or not.

    Definition Classes
    EmptyCatalogCatalog
  15. def hashCode(): Int

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  16. final def isInstanceOf[T0]: Boolean

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  17. def lookupRelation(tableIdentifier: Seq[String], alias: Option[String] = None): LogicalPlan

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    Definition Classes
    EmptyCatalogCatalog
  18. final def ne(arg0: AnyRef): Boolean

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  19. final def notify(): Unit

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  20. final def notifyAll(): Unit

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  21. def processTableIdentifier(tableIdentifier: Seq[String]): Seq[String]

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    Attributes
    protected
    Definition Classes
    Catalog
  22. def refreshTable(tableIdent: TableIdentifier): Unit

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    Definition Classes
    EmptyCatalogCatalog
  23. def registerTable(tableIdentifier: Seq[String], plan: LogicalPlan): Unit

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    Definition Classes
    EmptyCatalogCatalog
  24. final def synchronized[T0](arg0: ⇒ T0): T0

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  25. def tableExists(tableIdentifier: Seq[String]): Boolean

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    EmptyCatalogCatalog
  26. def toString(): String

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  27. def unregisterAllTables(): Unit

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    Definition Classes
    EmptyCatalogCatalog
  28. def unregisterTable(tableIdentifier: Seq[String]): Unit

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    Definition Classes
    EmptyCatalogCatalog
  29. final def wait(): Unit

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

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  31. final def wait(arg0: Long): Unit

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Inherited from Catalog

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