trait DataframePhysicalFunction extends Expression with PhysicalFunction
DataframePhysicalFunctions are Functions that will be replaced with a Physical Node for their evaluation.
The physical node will transform the input dataframe into the output dataframe. execute handles conversion of the RDD[InternalRow] to a DataFrame and back. Each DataframePhysicalFunction should implement transformDataframe. The output dataframe should have the same schema as the input dataframe, except for the resultAttrs which should be added to the output dataframe.
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abstract
def
canEqual(that: Any): Boolean
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abstract
def
children: Seq[Expression]
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abstract
def
dataType: DataType
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abstract
def
inputTypes: Seq[AbstractDataType]
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abstract
def
productArity: Int
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abstract
def
productElement(n: Int): Any
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abstract
def
transformDataframe(dataframe: DataFrame, resultAttrs: Seq[Attribute]): DataFrame
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abstract
def
withNewChildrenInternal(newChildren: IndexedSeq[Expression]): Expression
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final
def
!=(arg0: Any): Boolean
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final
def
##(): Int
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final
def
==(arg0: Any): Boolean
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def
apply(number: Int): TreeNode[_]
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def
argString(maxFields: Int): String
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def
asCode: String
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final
def
asInstanceOf[T0]: T0
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lazy val
canonicalized: Expression
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def
checkInputDataTypes(): TypeCheckResult
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def
childrenResolved: Boolean
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def
clone(): Expression
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def
collect[B](pf: PartialFunction[Expression, B]): Seq[B]
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def
collectFirst[B](pf: PartialFunction[Expression, B]): Option[B]
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def
collectLeaves(): Seq[Expression]
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final
def
containsAllPatterns(patterns: TreePattern*): Boolean
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final
def
containsAnyPattern(patterns: TreePattern*): Boolean
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lazy val
containsChild: Set[TreeNode[_]]
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final
def
containsPattern(t: TreePattern): Boolean
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def
copyTagsFrom(other: Expression): Unit
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final
lazy val
deterministic: Boolean
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final
def
doGenCode(ctx: CodegenContext, ev: ExprCode): ExprCode
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final
def
eq(arg0: AnyRef): Boolean
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def
equals(arg0: Any): Boolean
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final
def
eval(input: InternalRow): Any
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def
execute(plan: SparkPlan, resultAttrs: Seq[Attribute]): RDD[InternalRow]
- Definition Classes
- DataframePhysicalFunction → PhysicalFunction
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def
exists(f: (Expression) ⇒ Boolean): Boolean
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def
fastEquals(other: TreeNode[_]): Boolean
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def
finalize(): Unit
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def
find(f: (Expression) ⇒ Boolean): Option[Expression]
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def
flatArguments: Iterator[Any]
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def
flatMap[A](f: (Expression) ⇒ TraversableOnce[A]): Seq[A]
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final
def
foldable: Boolean
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def
foreach(f: (Expression) ⇒ Unit): Unit
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def
foreachUp(f: (Expression) ⇒ Unit): Unit
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def
genCode(ctx: CodegenContext): ExprCode
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def
generateTreeString(depth: Int, lastChildren: Seq[Boolean], append: (String) ⇒ Unit, verbose: Boolean, prefix: String, addSuffix: Boolean, maxFields: Int, printNodeId: Boolean, indent: Int): Unit
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final
lazy val
geometryColumnName: String
- Attributes
- protected
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- PhysicalFunction
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final
def
getClass(): Class[_]
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def
getDefaultTreePatternBits: BitSet
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def
getInputName(i: Int, fieldName: String): String
- Attributes
- protected
- Definition Classes
- PhysicalFunction
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def
getInputNames(i: Int, fieldName: String): Seq[String]
- Attributes
- protected
- Definition Classes
- PhysicalFunction
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def
getResultName(resultAttrs: Seq[Attribute]): String
- Attributes
- protected
- Definition Classes
- PhysicalFunction
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def
getScalarValue[T](i: Int, name: String)(implicit ct: ClassTag[T]): T
- Attributes
- protected
- Definition Classes
- PhysicalFunction
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def
getTagValue[T](tag: TreeNodeTag[T]): Option[T]
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def
hashCode(): Int
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def
innerChildren: Seq[TreeNode[_]]
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final
def
isInstanceOf[T0]: Boolean
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def
isRuleIneffective(ruleId: RuleId): Boolean
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def
jsonFields: List[JField]
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final
def
legacyWithNewChildren(newChildren: Seq[Expression]): Expression
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def
makeCopy(newArgs: Array[AnyRef]): Expression
- Definition Classes
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def
map[A](f: (Expression) ⇒ A): Seq[A]
- Definition Classes
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def
mapChildren(f: (Expression) ⇒ Expression): Expression
- Definition Classes
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def
mapProductIterator[B](f: (Any) ⇒ B)(implicit arg0: ClassTag[B]): Array[B]
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def
markRuleAsIneffective(ruleId: RuleId): Unit
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final
def
ne(arg0: AnyRef): Boolean
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def
nodeName: String
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val
nodePatterns: Seq[TreePattern]
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final
def
notify(): Unit
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final
def
notifyAll(): Unit
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def
nullable: Boolean
- Definition Classes
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def
numberedTreeString: String
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val
origin: Origin
- Definition Classes
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def
otherCopyArgs: Seq[AnyRef]
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def
p(number: Int): Expression
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lazy val
preCanonicalized: Expression
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def
prettyJson: String
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def
prettyName: String
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- Expression
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def
productIterator: Iterator[Any]
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def
productPrefix: String
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def
references: AttributeSet
- Definition Classes
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lazy val
resolved: Boolean
- Definition Classes
- Expression
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final
def
semanticEquals(other: Expression): Boolean
- Definition Classes
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def
semanticHash(): Int
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def
setTagValue[T](tag: TreeNodeTag[T], value: T): Unit
- Definition Classes
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def
simpleString(maxFields: Int): String
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def
simpleStringWithNodeId(): String
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final
lazy val
sparkSession: SparkSession
- Attributes
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- Definition Classes
- PhysicalFunction
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def
sql: String
- Definition Classes
- Expression
-
def
stringArgs: Iterator[Any]
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final
def
synchronized[T0](arg0: ⇒ T0): T0
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def
toJSON: String
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def
toString(): String
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def
transform(rule: PartialFunction[Expression, Expression]): Expression
- Definition Classes
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def
transformDown(rule: PartialFunction[Expression, Expression]): Expression
- Definition Classes
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def
transformDownWithPruning(cond: (TreePatternBits) ⇒ Boolean, ruleId: RuleId)(rule: PartialFunction[Expression, Expression]): Expression
- Definition Classes
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def
transformUp(rule: PartialFunction[Expression, Expression]): Expression
- Definition Classes
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def
transformUpWithBeforeAndAfterRuleOnChildren(cond: (Expression) ⇒ Boolean, ruleId: RuleId)(rule: PartialFunction[(Expression, Expression), Expression]): Expression
- Definition Classes
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def
transformUpWithPruning(cond: (TreePatternBits) ⇒ Boolean, ruleId: RuleId)(rule: PartialFunction[Expression, Expression]): Expression
- Definition Classes
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def
transformWithPruning(cond: (TreePatternBits) ⇒ Boolean, ruleId: RuleId)(rule: PartialFunction[Expression, Expression]): Expression
- Definition Classes
- TreeNode
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lazy val
treePatternBits: BitSet
- Definition Classes
- TreeNode → TreePatternBits
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def
treeString(append: (String) ⇒ Unit, verbose: Boolean, addSuffix: Boolean, maxFields: Int, printOperatorId: Boolean): Unit
- Definition Classes
- TreeNode
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final
def
treeString(verbose: Boolean, addSuffix: Boolean, maxFields: Int, printOperatorId: Boolean): String
- Definition Classes
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final
def
treeString: String
- Definition Classes
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def
typeSuffix: String
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def
unsetTagValue[T](tag: TreeNodeTag[T]): Unit
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final
def
verboseString(maxFields: Int): String
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def
verboseStringWithSuffix(maxFields: Int): String
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final
def
wait(): Unit
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final
def
wait(arg0: Long, arg1: Int): Unit
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final
def
wait(arg0: Long): Unit
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final
def
withNewChildren(newChildren: Seq[Expression]): Expression
- Definition Classes
- TreeNode