Packages

  • package root
    Definition Classes
    root
  • package org
    Definition Classes
    root
  • package apache
    Definition Classes
    org
  • package spark
    Definition Classes
    apache
  • package sql
    Definition Classes
    spark
  • package catalyst

    Catalyst is a library for manipulating relational query plans.

    Catalyst is a library for manipulating relational query plans. All classes in catalyst are considered an internal API to Spark SQL and are subject to change between minor releases.

    Definition Classes
    sql
  • package dsl

    A collection of implicit conversions that create a DSL for constructing catalyst data structures.

    A collection of implicit conversions that create a DSL for constructing catalyst data structures.

    scala> import org.apache.spark.sql.catalyst.dsl.expressions._

// Standard operators are added to expressions.
scala> import org.apache.spark.sql.catalyst.expressions.Literal
scala> Literal(1) + Literal(1)
res0: org.apache.spark.sql.catalyst.expressions.Add = (1 + 1)

// There is a conversion from 'symbols to unresolved attributes.
scala> 'a.attr
res1: org.apache.spark.sql.catalyst.analysis.UnresolvedAttribute = 'a

// These unresolved attributes can be used to create more complicated expressions.
scala> 'a === 'b
res2: org.apache.spark.sql.catalyst.expressions.EqualTo = ('a = 'b)

// SQL verbs can be used to construct logical query plans.
scala> import org.apache.spark.sql.catalyst.plans.logical._
scala> import org.apache.spark.sql.catalyst.dsl.plans._
scala> LocalRelation('key.int, 'value.string).where('key === 1).select('value).analyze
res3: org.apache.spark.sql.catalyst.plans.logical.LogicalPlan =
Project [value#3]
 Filter (key#2 = 1)
  LocalRelation [key#2,value#3], []
    Definition Classes
    catalyst
  • object plans
    Definition Classes
    dsl
  • DslLogicalPlan

implicit class DslLogicalPlan extends AnyRef

Linear Supertypes
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  1. DslLogicalPlan
  2. AnyRef
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Instance Constructors

  1. new DslLogicalPlan(logicalPlan: LogicalPlan)

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. def analyze: LogicalPlan
  5. def as(alias: String): LogicalPlan
  6. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  7. def clone(): AnyRef
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native() @HotSpotIntrinsicCandidate()
  8. def coalesce(num: Integer): LogicalPlan
  9. def cogroup[Key, Left, Right, Result](otherPlan: LogicalPlan, func: (Key, Iterator[Left], Iterator[Right]) ⇒ TraversableOnce[Result], leftGroup: Seq[Attribute], rightGroup: Seq[Attribute], leftAttr: Seq[Attribute], rightAttr: Seq[Attribute])(implicit arg0: Encoder[Key], arg1: Encoder[Left], arg2: Encoder[Right], arg3: Encoder[Result]): LogicalPlan
  10. def deduplicate(colNames: Attribute*): LogicalPlan
  11. def deserialize[T](implicit arg0: Encoder[T]): LogicalPlan
  12. def distribute(exprs: Expression*)(n: Int): LogicalPlan
  13. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  14. def equals(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  15. def except(otherPlan: LogicalPlan, isAll: Boolean): LogicalPlan
  16. def filter[T](func: FilterFunction[T])(implicit arg0: Encoder[T]): LogicalPlan
  17. def filter[T](func: (T) ⇒ Boolean)(implicit arg0: Encoder[T]): LogicalPlan
  18. def generate(generator: Generator, unrequiredChildIndex: Seq[Int] = Nil, outer: Boolean = false, alias: Option[String] = None, outputNames: Seq[String] = Nil): LogicalPlan
  19. final def getClass(): Class[_]
    Definition Classes
    AnyRef → Any
    Annotations
    @native() @HotSpotIntrinsicCandidate()
  20. def groupBy(groupingExprs: Expression*)(aggregateExprs: Expression*): LogicalPlan
  21. def hashCode(): Int
    Definition Classes
    AnyRef → Any
    Annotations
    @native() @HotSpotIntrinsicCandidate()
  22. def having(groupingExprs: Expression*)(aggregateExprs: Expression*)(havingCondition: Expression): LogicalPlan
  23. def hint(name: String, parameters: Any*): LogicalPlan
  24. def insertInto(table: LogicalPlan, partition: Map[String, Option[String]] = Map.empty, overwrite: Boolean = false, ifPartitionNotExists: Boolean = false): LogicalPlan
  25. def insertInto(tableName: String): LogicalPlan
  26. def intersect(otherPlan: LogicalPlan, isAll: Boolean): LogicalPlan
  27. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  28. def join(otherPlan: LogicalPlan, joinType: JoinType = Inner, condition: Option[Expression] = None): LogicalPlan
  29. def lateralJoin(otherPlan: LogicalPlan, joinType: JoinType = Inner, condition: Option[Expression] = None): LogicalPlan
  30. def limit(limitExpr: Expression): LogicalPlan
  31. val logicalPlan: LogicalPlan
  32. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  33. final def notify(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native() @HotSpotIntrinsicCandidate()
  34. final def notifyAll(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native() @HotSpotIntrinsicCandidate()
  35. def orderBy(sortExprs: SortOrder*): LogicalPlan
  36. def rebalance(exprs: Expression*): LogicalPlan
  37. def repartition(): LogicalPlan
  38. def repartition(num: Integer): LogicalPlan
  39. def sample(lowerBound: Double, upperBound: Double, withReplacement: Boolean, seed: Long): LogicalPlan
  40. def select(exprs: Expression*): LogicalPlan
  41. def serialize[T](implicit arg0: Encoder[T]): LogicalPlan
  42. def sortBy(sortExprs: SortOrder*): LogicalPlan
  43. def subquery(alias: Symbol): LogicalPlan
  44. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
    AnyRef
  45. def toString(): String
    Definition Classes
    AnyRef → Any
  46. def union(otherPlan: LogicalPlan): LogicalPlan
  47. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  48. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native()
  49. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  50. def where(condition: Expression): LogicalPlan
  51. def window(windowExpressions: Seq[NamedExpression], partitionSpec: Seq[Expression], orderSpec: Seq[SortOrder]): LogicalPlan

Deprecated Value Members

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

Inherited from AnyRef

Inherited from Any

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