ViewManager

Value Members

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. def alter(name: String, query: Operator): Unit

   

   Alter an existing view to use a new query

   Alter an existing view to use a new query

   name

   The name of the view to alter

   query

   The new query to back the view with

   Exceptions thrown

   SQLException If a view or table with the same name already exists

5. def apply(name: String): ViewMetadata

   

   Obtain properties for the specified view

   Obtain properties for the specified view

   name

   The name of the view to look up

   returns

   Properties for the specified query

   Exceptions thrown

   SQLException If the specified view does not exist

6. final def asInstanceOf[T0]: T0

   

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7. def clone(): AnyRef

   

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   protected[java.lang]

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   @throws( ... )

8. def create(name: String, query: Operator): Unit

   

   Instantiate a new view

   Instantiate a new view

   name

   The name of the view to create

   query

   The query to back the view with

   Exceptions thrown

   SQLException If a view or table with the same name already exists

9. def dematerialize(name: String): Unit

   

   Remove the materialization for the specified view

   Remove the materialization for the specified view

   name

   The name of the view to dematerialize

10. def drop(name: String): Unit

    

    Drop an existing view

    Drop an existing view

    name

    The name of the view to alter

    Exceptions thrown

    SQLException If a view or table with the same name already exists

11. final def eq(arg0: AnyRef): Boolean

    

    Definition Classes

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12. def equals(arg0: Any): Boolean

    

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13. def finalize(): Unit

    

    Attributes

    protected[java.lang]

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    @throws( classOf[java.lang.Throwable] )

14. def get(name: String): Option[ViewMetadata]

    

    Obtain the properties of the specified view

    Obtain the properties of the specified view

    name

    The name of the view to look up

    returns

    Properties for the specified query or None if the view doesn't exist

15. final def getClass(): Class[_]

    

    Definition Classes

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16. def hashCode(): Int

    

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17. def init(): Unit

    

    Initialize the view manager:

    Initialize the view manager:

    • Create a system catalog table to store information about views

18. final def isInstanceOf[T0]: Boolean

    

    Definition Classes

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19. def list(): List[String]

    

    List all views known to the view manager

    List all views known to the view manager

    returns

    A list of all view names

20. def listAttrsQuery: Operator

    

    Return a query that can be used to list the attributes of all views known to Mimir.

    Return a query that can be used to list the attributes of all views known to Mimir. Used mainly by Mimir's system catalog (presently unimplemented)

21. def listViewsQuery: Operator

    

    Return a query that can be used to list all views known to Mimir.

    Return a query that can be used to list all views known to Mimir. Used mainly by Mimir's system catalog

    returns

    A query that returns a list of all known views when executed

22. lazy val logger: Logger

    

    Attributes

    protected

    Definition Classes

    LazyLogging → Logging

23. def materialize(name: String): Unit

    

    Materialize the specified view

    Materialize the specified view

    name

    The name of the view to materialize

24. final def ne(arg0: AnyRef): Boolean

    

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25. final def notify(): Unit

    

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26. final def notifyAll(): Unit

    

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27. def rebuildAdaptiveViews(op: Operator): Operator

    

    Rebuild Adaptive Views: The first step in query rewriting.

    Rebuild Adaptive Views: The first step in query rewriting.

    For each adaptive view in the provided query, rerun viewFor so we get an updated view in case of hard-coded model use in the view creation and subsequent feedback.

    op

    The operator to rebuild adaptive views in

    returns

    A version of the tree for op with refreshed View nodes.

28. def resolve(op: Operator): Operator

    

    Resolve views: The final step in query rewriting.

    Resolve views: The final step in query rewriting.

    For each view in the provided query, decide whether the view can be resolved to a materialized view table, or whether it needs to be executed directly.

    op

    The operator to resolve views in

    returns

    A version of the tree for op with no View nodes.

29. final def synchronized[T0](arg0: ⇒ T0): T0

    

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30. def toString(): String

    

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31. val viewTable: String

    

32. final def wait(): Unit

    

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33. final def wait(arg0: Long, arg1: Int): Unit

    

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

    

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