slick.driver.AccessDriver

ExistsToCount

Related Doc: package AccessDriver

class ExistsToCount extends Phase

Query compiler phase that rewrites Exists calls in projections to equivalent CountAll > 0 calls which can then be fused into aggregation sub-queries in the fuseComprehensions phase.

Source
AccessDriver.scala
Linear Supertypes
Phase, Logging, (CompilerState) ⇒ CompilerState, AnyRef, Any
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Inherited
  1. ExistsToCount
  2. Phase
  3. Logging
  4. Function1
  5. AnyRef
  6. Any
Implicitly
  1. by any2stringadd
  2. by StringFormat
  3. by Ensuring
  4. by ArrowAssoc
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  1. Public
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Instance Constructors

  1. new ExistsToCount()

Type Members

  1. abstract type State

    The immutable state of the phase that can also be accessed by other phases.

    The immutable state of the phase that can also be accessed by other phases.

    Definition Classes
    Phase

Value Members

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

    Definition Classes
    AnyRef → Any

  2. final def ##(): Int

    Definition Classes
    AnyRef → Any

  3. def +(other: String): String

    Implicit information
    This member is added by an implicit conversion from ExistsToCount to any2stringadd[ExistsToCount] performed by method any2stringadd in scala.Predef.
    Definition Classes
    any2stringadd

  4. def ->[B](y: B): (ExistsToCount, B)

    Implicit information
    This member is added by an implicit conversion from ExistsToCount to ArrowAssoc[ExistsToCount] performed by method ArrowAssoc in scala.Predef.
    Definition Classes
    ArrowAssoc
    Annotations
    @inline()

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

    Definition Classes
    AnyRef → Any

  6. def andThen[A](g: (CompilerState) ⇒ A): (CompilerState) ⇒ A

    Definition Classes
    Function1
    Annotations
    @unspecialized()

  7. def apply(state: CompilerState): CompilerState

    Run the phase

    Run the phase

    Definition Classes
    ExistsToCount → Phase → Function1

  8. final def asInstanceOf[T0]: T0

    Definition Classes
    Any

  9. def clone(): AnyRef

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  10. def compose[A](g: (A) ⇒ CompilerState): (A) ⇒ CompilerState

    Definition Classes
    Function1
    Annotations
    @unspecialized()

  11. def ensuring(cond: (ExistsToCount) ⇒ Boolean, msg: ⇒ Any): ExistsToCount

    Implicit information
    This member is added by an implicit conversion from ExistsToCount to Ensuring[ExistsToCount] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring

  12. def ensuring(cond: (ExistsToCount) ⇒ Boolean): ExistsToCount

    Implicit information
    This member is added by an implicit conversion from ExistsToCount to Ensuring[ExistsToCount] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring

  13. def ensuring(cond: Boolean, msg: ⇒ Any): ExistsToCount

    Implicit information
    This member is added by an implicit conversion from ExistsToCount to Ensuring[ExistsToCount] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring

  14. def ensuring(cond: Boolean): ExistsToCount

    Implicit information
    This member is added by an implicit conversion from ExistsToCount to Ensuring[ExistsToCount] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring

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

    Definition Classes
    AnyRef

  16. def equals(arg0: Any): Boolean

    Definition Classes
    AnyRef → Any

  17. def finalize(): Unit

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )

  18. def formatted(fmtstr: String): String

    Implicit information
    This member is added by an implicit conversion from ExistsToCount to StringFormat[ExistsToCount] performed by method StringFormat in scala.Predef.
    Definition Classes
    StringFormat
    Annotations
    @inline()

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

    Definition Classes
    AnyRef → Any

  20. def hashCode(): Int

    Definition Classes
    AnyRef → Any

  21. final def isInstanceOf[T0]: Boolean

    Definition Classes
    Any

  22. lazy val logger: SlickLogger

    Attributes
    protected[this]
    Definition Classes
    Logging

  23. val name: String

    The unique name of the phase

    The unique name of the phase

    Definition Classes
    ExistsToCount → Phase

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

    Definition Classes
    AnyRef

  25. final def notify(): Unit

    Definition Classes
    AnyRef

  26. final def notifyAll(): Unit

    Definition Classes
    AnyRef

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

    Definition Classes
    AnyRef

  28. def toString(): String

    Definition Classes
    Function1 → AnyRef → Any

  29. def tr(n: Node, inSelect: Boolean): Node

    Attributes
    protected

  30. final def wait(): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

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

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

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

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  33. def →[B](y: B): (ExistsToCount, B)

    Implicit information
    This member is added by an implicit conversion from ExistsToCount to ArrowAssoc[ExistsToCount] performed by method ArrowAssoc in scala.Predef.
    Definition Classes
    ArrowAssoc

Inherited from Phase

Inherited from Logging

Inherited from (CompilerState) ⇒ CompilerState

Inherited from AnyRef

Inherited from Any

Inherited by implicit conversion any2stringadd from ExistsToCount to any2stringadd[ExistsToCount]

Inherited by implicit conversion StringFormat from ExistsToCount to StringFormat[ExistsToCount]

Inherited by implicit conversion Ensuring from ExistsToCount to Ensuring[ExistsToCount]

Inherited by implicit conversion ArrowAssoc from ExistsToCount to ArrowAssoc[ExistsToCount]

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