Unreal Engine 4.26 Documentation

Unreal Engine 4.27 Documentation

Unreal Engine 5.0 Documentation

Unreal Engine 5.1 Documentation

Unreal Engine 5.2 Documentation

Unreal Engine 5.3 Documentation

Light Theme

Dark Theme

UCompositeDataTable

Data table composed of a stack of other data tables.

Choose your operating system:

Windows

macOS

Linux

Inheritance Hierarchy

UObjectBase

UObjectBaseUtility

UObject

UDataTable

UCompositeDataTable

References

Module	Engine
Header	/Engine/Source/Runtime/Engine/Classes/Engine/CompositeDataTable.h
Include	#include "Engine/CompositeDataTable.h"

Syntax

class UCompositeDataTable : public UDataTable

Remarks

Data table composed of a stack of other data tables.

Variables

	Name	Description
uint8: 1	bIsLoading	True if this asset is currently being loaded; false otherwise
uint8: 1	bShouldNotClearParentTablesOnEmpty	If this is true then the parent table array will not be cleared when EmptyTable is called
uint8: 1	bUpdatingParentTables	True if we're already in the middle of updating parent tables for this asset
TArray< TObject...	OldParentTables	Temporary copy used to detect changes so we can update delegates correctly on removal
TArray< TObject...	ParentTables	Parent tables Tables with higher indices override data in tables with lower indices
TMap< FName, ER...	RowSourceMap

Constructors

	Name	Description
	UCompositeDataTable ( const FObjectInitializer& ObjectIn... )

Functions

	Name	Description
void	AppendParentTables ( const TArray< UDataTable* >& ... )	Support for runtime modification of parent tables Be aware this can be slow and can cause hitches during gameplay
void	EmptyCompositeTable ( bool bClearParentTables )	Empties the table if bClearParentTables is false then the row map will be cleared but the parent table array won't be changed
const UCompo...	FindLoops ( TArray< const UCompositeDataTable&... )	Searches the parent tables to see if there are any loops.
ERowState	GetRowState ( FName RowName )
void	OnParentTablesUpdated ( EPropertyChangeType::Type ChangeTyp... )
void	UpdateCachedRowMap ( bool bWarnOnInvalidChildren )

Overridden from UDataTable

	Name	Description
void	AddRow ( FName RowName, const FTableRowBase& RowData )	Copies RowData into table.
void	CleanBeforeStructChange()
void	EmptyTable()	Table management overrides. Composite data tables don't currently add or remove rows.
void	RemoveRow ( FName RowName )	Removes a single row from the DataTable by name. Just returns if row is not found.
void	RestoreAfterStructChange()

Overridden from UObject

	Name	Description
void	GetPreloadDependencies ( TArray< UObject* >& OutDeps )	Called during cooking.
void	PostEditChangeProperty ( FPropertyChangedEvent& PropertyCha... )	Called when a property on this object has been modified externally
void	PostEditUndo()	Called after applying a transaction to the object.
void	PostLoad()	Do any object-specific cleanup required immediately after loading an object.
void	Serialize ( FArchive& Ar )	Handles reading, writing, and reference collecting using FArchive.

Enums

	Name	Description
	ERowState