org.apache.spark.sql.catalyst.optimizer

LikeSimplification

object LikeSimplification extends Rule[LogicalPlan]

Simplifies LIKE expressions that do not need full regular expressions to evaluate the condition. For example, when the expression is just checking to see if a string starts with a given pattern.

Linear Supertypes
Rule[LogicalPlan], com.typesafe.scalalogging.slf4j.Logging, AnyRef, Any
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  2. Rule
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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

    Definition Classes
    AnyRef

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

    Definition Classes
    Any

  6. def apply(plan: LogicalPlan): LogicalPlan

    Definition Classes
    LikeSimplification → Rule

  7. final def asInstanceOf[T0]: T0

    Definition Classes
    Any

  8. def clone(): AnyRef

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

  9. val contains: Regex

  10. val endsWith: Regex

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

    Definition Classes
    AnyRef

  12. val equalTo: Regex

  13. def equals(arg0: Any): Boolean

    Definition Classes
    AnyRef → Any

  14. def finalize(): Unit

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

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

    Definition Classes
    AnyRef → Any

  16. def hashCode(): Int

    Definition Classes
    AnyRef → Any

  17. final def isInstanceOf[T0]: Boolean

    Definition Classes
    Any

  18. lazy val logger: Logger

    Attributes
    protected
    Definition Classes
    Logging

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

    Definition Classes
    AnyRef

  20. final def notify(): Unit

    Definition Classes
    AnyRef

  21. final def notifyAll(): Unit

    Definition Classes
    AnyRef

  22. val ruleName: String

    Name for this rule, automatically inferred based on class name.

    Name for this rule, automatically inferred based on class name.

    Definition Classes
    Rule

  23. val startsWith: Regex

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

    Definition Classes
    AnyRef

  25. def toString(): String

    Definition Classes
    AnyRef → Any

  26. final def wait(): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

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

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

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

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

Inherited from Rule[LogicalPlan]

Inherited from com.typesafe.scalalogging.slf4j.Logging

Inherited from AnyRef

Inherited from Any

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