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c

com.exasol.spark

ExasolQueryEnricher

final case class ExasolQueryEnricher(userQuery: String) extends Product with Serializable

Improves the original user query with column pruning and predicate pushdown.

userQuery

A user provided initial query

Linear Supertypes
Serializable, Serializable, Product, Equals, AnyRef, Any
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  1. ExasolQueryEnricher
  2. Serializable
  3. Serializable
  4. Product
  5. Equals
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Instance Constructors

  1. new ExasolQueryEnricher(userQuery: String)

    userQuery

    A user provided initial query

Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  2. final def ##(): Int
    Definition Classes
    AnyRef → Any
  3. final def ==(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  4. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  5. def clone(): AnyRef
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native() @HotSpotIntrinsicCandidate()
  6. def enrichQuery(columns: Array[String], filters: Array[Filter]): String

    Enriches user query with column pruning and where clause using the provided column names and filters.

    Enriches user query with column pruning and where clause using the provided column names and filters.

    Additionally, if no column names are provided it creates a COUNT('*') query.

    columns

    A list of column names

    filters

    A list of Spark org.apache.spark.sql.sources.Filter-s

    returns

    An enriched query with column selection and predicate pushdown

  7. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  8. final def getClass(): Class[_]
    Definition Classes
    AnyRef → Any
    Annotations
    @native() @HotSpotIntrinsicCandidate()
  9. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  10. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  11. final def notify(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native() @HotSpotIntrinsicCandidate()
  12. final def notifyAll(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native() @HotSpotIntrinsicCandidate()
  13. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
    AnyRef
  14. val userQuery: String
  15. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  16. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native()
  17. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

Deprecated Value Members

  1. def finalize(): Unit
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] ) @Deprecated
    Deprecated

Inherited from Serializable

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