Apex Reference Guide

Apex Reference Guide
Release Notes
Apex DML Operations
ApexPages Namespace
AppLauncher Namespace
Approval Namespace
Auth Namespace
Cache Namespace
Canvas Namespace
ChatterAnswers Namespace
CommerceBuyGrp Namespace
CommerceExtension Namespace
CommerceOrders Namespace
CommercePayments Namespace
CommerceTax Namespace
commonserviceexcellence Namespace
ComplianceMgmt Namespace
Compression Namespace
ConnectApi Namespace
Context Namespace
Database Namespace
Datacloud Namespace
DataRetrieval Namespace
DataSource Namespace
AsyncDeleteCallback Class
AsyncSaveCallback Class
AuthenticationCapability Enum
AuthenticationProtocol Enum
Capability Enum
Column Class
ColumnSelection Class
ColumnSelection Properties
Connection Class
ConnectionParams Class
DataSourceUtil Class
DataType Enum
DeleteContext Class
DeleteResult Class
Filter Class
FilterType Enum
IdentityType Enum
Order Class
OrderDirection Enum
Provider Class
QueryAggregation Enum
QueryContext Class
QueryUtils Class
ReadContext Class
SearchContext Class
SearchUtils Class
Table Class
TableResult Class
TableSelection Class
UpsertContext Class
UpsertResult Class
DataSource Exceptions
DataWeave Namespace
Dom Namespace
embeddedai Namespace
EventBus Namespace
ExternalService Namespace
Flow Namespace
Flowtesting Namespace
flowuiruntime Namespace
FormulaEval Namespace
disputemanagement Namespace
fsccashflow Namespace
fsccomplaintmanagement Namespace
fschousehold Namespace
fscserviceprocesses Namespace
fscwmgen Namespace
industriespersonalizedfinance Namespace
Functions Namespace
ise_bots_apex Namespace
IssueCreditMemo Namespace
ind_mfg_sample_mgmt_apex Namespace
industriesNlpSvc
IndustriesDigitalLending Namespace
Invocable Namespace
InvoiceWriteOff Namespace
IsvPartners Namespace
KbManagement Namespace
LxScheduler Namespace
Messaging Namespace
Metadata Namespace
PlaceQuote Namespace
Pref_center Namespace
Process Namespace
QuickAction Namespace
renew_assets_summary Namespace
Reports Namespace
RevSignaling Namespace
RevSalesTrxn Namespace
RichMessaging Namespace
RulesAppln Namespace
runtime_industries_cpq Namespace
runtime_industries_insurance Namespace
Schema Namespace
Search Namespace
setup_flow_performance Namespace
Sfc Namespace
Sfdc_Checkout Namespace
Sfdc_Enablement Namespace
sfdc_surveys Namespace
sfdw Namespace
sfsqlquery Namespace
Site Namespace
Slack Namespace
Support Namespace
System Namespace
TerritoryMgmt Namespace
TxnSecurity Namespace
UserProvisioning Namespace
VisualEditor Namespace
Wave Namespace
Appendices
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Note: This release is in preview. Features described here don’t become generally available until the latest general availability date that Salesforce announces for this release. Before then, and where features are noted as beta, pilot, or developer preview, we can’t guarantee general availability within any particular time frame or at all. Make your purchase decisions only on the basis of generally available products and features.

ColumnSelection Class

Identifies the list of columns to return during a query or search.

Namespace

DataSource Namespace

Usage

This class is associated with the SELECT clause for a SOQL query, or the RETURNING clause for a SOSL query.

ColumnSelection Properties

The following are properties for ColumnSelection.

aggregation

How to aggregate the column’s data.

Signature

public DataSource.QueryAggregation aggregation {get; set;}

Property Value

Type: DataSource.QueryAggregation

columnName

Name of the selected column.

Signature

public String columnName {get; set;}

Property Value

Type: String

tableName

Name of the column’s table.

Signature

public String tableName {get; set;}

Property Value

Type: String