GroupPlanNode Class
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Represents a grouping operation in a Map-Reduce process.
public sealed class GroupPlanNode : Microsoft.StreamProcessing.PlanNode
type GroupPlanNode = class
inherit PlanNode
Public NotInheritable Class GroupPlanNode
Inherits PlanNode
- Inheritance
Properties
CodeGenReport |
Tells what issues, if any, were encountered when trying to create a generated artifact. (Inherited from PlanNode) |
GroupingExpression |
The expression used to group elements relative to a grouping key. |
InputKeyType |
The type of the grouping key of the input stream. |
IsGenerated |
Tells whether the current node in the query plan was generated using code generation internally. (Inherited from PlanNode) |
IsShuffle |
States whether the current operation is a shuffle. |
KeyType |
Reports the grouping key type of the running query node. (Inherited from PlanNode) |
Kind |
Indicates that the current node is a grouping operation. |
PayloadType |
Reports the payload type of the running query node. (Inherited from PlanNode) |
Previous |
The previous node in the plan, the input to the grouping operation. |
ShuffleId |
States the shuffle ID of the grouping operation. If the operator is not a shuffle, this value should be int.MinValue. |
TotalBranches |
States the number of branches participating in the grouping operation. If the operator is not a shuffle, this value should be 1. |
Methods
GetCurrentlyBufferedInputCount() |
Retrieve the count of tuples currently resident in memory as part of input calculations. (Inherited from PlanNode) |
GetCurrentlyBufferedOutputCount() |
Retrieve the count of tuples currently resident in memory as part of buffering events into pages. (Inherited from PlanNode) |
PrintConciseGeneralState(StringBuilder, Int32) |
Provides a string representation of the current node. (Inherited from PlanNode) |
ToString() |
Provides a string representation of the current node. (Inherited from PlanNode) |